July 2015 - Pharo-users - lists.pharo.org

Re: [Pharo-users] Where do I find Bloc and how do I load it?

by stepharo

There are two ci jobs on the contribution pharo ci. Stef Le 18/7/15 22:58, H. Hirzel a Ã©crit : > Hello > > Where do I find Bloc and how do I load it? > > http://smalltalkhub.com/#!/~Bloc :-( > > Regards > > Hannes > >

July 19, 2015

Re: [Pharo-users] Separate compilation with Pillar?

by stepharo

Alex you should use the texmate plugin because the chapter is rendered on Cmd-R. The compile.sh allows you to compile the full book or separated chapters and this from long time. Stef Le 19/7/15 11:00, Alexandre Bergel a Ã©crit : > Hi! > > Is there a way to separately compile a chapter when writing a book in Pillar? > The compilation time is pretty long... > > Alexandre

July 19, 2015

Re: [Pharo-users] GitFileTree browsing changes doesn't work in Pharo 5

by Peter UhnÃ¡k

Excellent! Works like magic. Thank you for looking into this. :) Peter On Sun, Jul 19, 2015 at 6:14 PM, Thierry Goubier <thierry.goubier(a)gmail.com> wrote: > Le 19/07/2015 16:09, Peter UhnÃ¡k a Ã©crit : > >> 1. downloaded a fresh Pharo (#50174) >> 2. ConfigurationOfGitFileTree loadDevelopment (stable fails because of >> StringHolder dependency) >> 3. open monticello and add gitfiletree:// local repo >> 4. do some change, e.g. add method to a class in the package >> 5. try to see the changes of the package >> 6. error >> > > I've pushed a correction in the development version of GitFileTree. > > Thierry > > > > >

July 19, 2015

Re: [Pharo-users] Rectangle center rounding

by Peter UhnÃ¡k

On Thu, Apr 30, 2015 at 9:52 PM, stepharo <stepharo(a)free.fr> wrote: > The best would be to have ScaledRectangle but with all vector graphics > operations. > and independent from Rectangle just reimplementing the right part of the > rectangle API. >

July 19, 2015

Re: [Pharo-users] Rectangle center rounding

by Alexandre Bergel

Maybe we can introduce a new rectangle class. Alexandre > On Jul 19, 2015, at 6:33 PM, Nicolai Hess <nicolaihess(a)web.de> wrote: > > > > 2015-07-18 10:25 GMT+02:00 Peter UhnÃ¡k <i.uhnak(a)gmail.com>: > The discussion was that Rectangle is used by Morphic which uses integer coordinates so rounding is required. I think the idea was to split the two classes? > > Peter > > On Sat, Jul 18, 2015 at 9:50 AM, Stephan Eggermont <stephan(a)stack.nl> wrote: > On 17/07/15 18:16, Jan BlizniÄenko wrote: > Shouldn't the rounded method be separated as for > example roundedCenter or something like that to eliminate the confusion? > > I would like to keep Rectangles current implementation, because the Rectangle class > is used for Screen-Rectangles and the screen only knows about integer/pixel positions. > > But on the other hand, you are right, we already use and allow rectangles with non-integer corners. > And changing that (resp. enforcing integer coordinates) is maybe much more difficult. > And at latest when we use Athens for rendering the full world, Rectangles with integer rounded position for every shape, does'nt make much sense. > > > If you do some time comparsions, can you use > > center > "Answer the point at the center of the receiver." > > ^self topLeft + self bottomRight / 2.0 > > (instead of "/ 2" ) (fraction vs. float) > > > > > > I think I've seen discussions about this before and vaguely > remember the conclusion that there was too much current > code depending on it for this to be an easy change at the > moment > > Stephan > > > > > -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

July 19, 2015

Re: [Pharo-users] Rectangle center rounding

by Nicolai Hess

2015-07-18 10:25 GMT+02:00 Peter UhnÃ¡k <i.uhnak(a)gmail.com>: > The discussion was that Rectangle is used by Morphic which uses integer > coordinates so rounding is required. I think the idea was to split the two > classes? > > Peter > > On Sat, Jul 18, 2015 at 9:50 AM, Stephan Eggermont <stephan(a)stack.nl> > wrote: > >> On 17/07/15 18:16, Jan BlizniÄenko wrote: >> >>> Shouldn't the rounded method be separated as for >>> example roundedCenter or something like that to eliminate the confusion? >>> >> I would like to keep Rectangles current implementation, because the Rectangle class is used for Screen-Rectangles and the screen only knows about integer/pixel positions. But on the other hand, you are right, we already use and allow rectangles with non-integer corners. And changing that (resp. enforcing integer coordinates) is maybe much more difficult. And at latest when we use Athens for rendering the full world, Rectangles with integer rounded position for every shape, does'nt make much sense. If you do some time comparsions, can you use center "Answer the point at the center of the receiver." ^self topLeft + self bottomRight / 2.0 (instead of "/ 2" ) (fraction vs. float) > >> I think I've seen discussions about this before and vaguely >> remember the conclusion that there was too much current >> code depending on it for this to be an easy change at the >> moment >> >> Stephan >> >> >> >> >

July 19, 2015

Re: [Pharo-users] GitFileTree browsing changes doesn't work in Pharo 5

by Thierry Goubier

Le 19/07/2015 16:09, Peter UhnÃ¡k a Ã©crit : > 1. downloaded a fresh Pharo (#50174) > 2. ConfigurationOfGitFileTree loadDevelopment (stable fails because of > StringHolder dependency) > 3. open monticello and add gitfiletree:// local repo > 4. do some change, e.g. add method to a class in the package > 5. try to see the changes of the package > 6. error I've pushed a correction in the development version of GitFileTree. Thierry

July 19, 2015

Re: [Pharo-users] Separate compilation with Pillar?

by Alexandre Bergel

Ok, thanks!!! Alexandre > On Jul 19, 2015, at 1:41 PM, Ferlicot D. Cyril <cyril.ferlicot(a)gmail.com> wrote: > > Le 19/07/2015 11:00, Alexandre Bergel a Ã©crit : >> Hi! >> >> Is there a way to separately compile a chapter when writing a book in Pillar? >> The compilation time is pretty long... >> >> Alexandre >> > > Hi Alexandre! > You can just do > ./pillar export --to={export format} {nameOfYouFile.pillar} > > If you edit a chapter on a SquareBracketAssociates's git, or if you took > pillar's book-skeleton, you should have a compile.sh script, so you can > just do > > ./compile.sh NameOfFolder/NameOfChapter.pillar > > But when you do only 1 chapter the numerator will not take the whole > book into account, so at the end I recommend to compile one time the > whole book. > > -- > Cheers > Cyril Ferlicot-Delbecque > -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

July 19, 2015

Re: [Pharo-users] GitFileTree browsing changes doesn't work in Pharo 5

by Thierry Goubier

Hi Peter, Le 19/07/2015 16:09, Peter UhnÃ¡k a Ã©crit : > 1. downloaded a fresh Pharo (#50174) > 2. ConfigurationOfGitFileTree loadDevelopment (stable fails because of > StringHolder dependency) > 3. open monticello and add gitfiletree:// local repo > 4. do some change, e.g. add method to a class in the package > 5. try to see the changes of the package > 6. error Perfect, I have enough to solve that bug. Beware, I suspect FileTree will return the same error. Thierry

July 19, 2015

Re: [Pharo-users] Separate compilation with Pillar?

by Ferlicot D. Cyril

Le 19/07/2015 15:53, Peter UhnÃ¡k a Ã©crit : > I think that the biggest hurdle is LaTeX... so for example I disabled > latex exports (since I was interested from 95% only in HTML), and > enabled them only for the final product. > > Peter > I'll work soon on getting ride of the scripts. We'll try to have everything on the configuration file. So, that will be easy to export only 1 chapter, or to remove one export etc. -- Cheers Cyril Ferlicot-Delbecque

July 19, 2015

Re: [Pharo-users] GitFileTree browsing changes doesn't work in Pharo 5

by Peter UhnÃ¡k

1. downloaded a fresh Pharo (#50174) 2. ConfigurationOfGitFileTree loadDevelopment (stable fails because of StringHolder dependency) 3. open monticello and add gitfiletree:// local repo 4. do some change, e.g. add method to a class in the package 5. try to see the changes of the package 6. error â More info: I first encountered this in my main project... so to rule out problems in the actual repo I created a brand new one... 1. I created a completely new empty git repo 2. added via gitfiletree 3. added some classes... 4. committed... 5. and then followed the steps above and it broke Maybe I can send you packed repository + pharo (image+changes) or a video? I can consistently reproduce this. How should I proceed? Thanks, Peter On Sun, Jul 19, 2015 at 8:33 AM, Thierry Goubier <thierry.goubier(a)gmail.com> wrote: > Hi Peter, > > I'm unable to reproduce. I'm on the latest 5.0 (50174). Could you describe > a bit more what you were trying (I tried Changes, and I go no error). > > Thierry > > > Le 18/07/2015 23:59, Peter UhnÃ¡k a Ã©crit : > >> Can you wait until tomorrow? >> >> >> Sure. >> >> Interestingly enough committing still works. >> >> Peter >> > > >

July 19, 2015

Re: [Pharo-users] Separate compilation with Pillar?

by Peter UhnÃ¡k

I think that the biggest hurdle is LaTeX... so for example I disabled latex exports (since I was interested from 95% only in HTML), and enabled them only for the final product. Peter On Sun, Jul 19, 2015 at 1:41 PM, Ferlicot D. Cyril <cyril.ferlicot(a)gmail.com > wrote: > Le 19/07/2015 11:00, Alexandre Bergel a Ã©crit : > > Hi! > > > > Is there a way to separately compile a chapter when writing a book in > Pillar? > > The compilation time is pretty long... > > > > Alexandre > > > > Hi Alexandre! > You can just do > ./pillar export --to={export format} {nameOfYouFile.pillar} > > If you edit a chapter on a SquareBracketAssociates's git, or if you took > pillar's book-skeleton, you should have a compile.sh script, so you can > just do > > ./compile.sh NameOfFolder/NameOfChapter.pillar > > But when you do only 1 chapter the numerator will not take the whole > book into account, so at the end I recommend to compile one time the > whole book. > > -- > Cheers > Cyril Ferlicot-Delbecque > >

July 19, 2015

Re: [Pharo-users] Separate compilation with Pillar?

by Ferlicot D. Cyril

Le 19/07/2015 11:00, Alexandre Bergel a Ã©crit : > Hi! > > Is there a way to separately compile a chapter when writing a book in Pillar? > The compilation time is pretty long... > > Alexandre > Hi Alexandre! You can just do ./pillar export --to={export format} {nameOfYouFile.pillar} If you edit a chapter on a SquareBracketAssociates's git, or if you took pillar's book-skeleton, you should have a compile.sh script, so you can just do ./compile.sh NameOfFolder/NameOfChapter.pillar But when you do only 1 chapter the numerator will not take the whole book into account, so at the end I recommend to compile one time the whole book. -- Cheers Cyril Ferlicot-Delbecque

July 19, 2015

Re: [Pharo-users] Download only metainfo about mcz when selected

by Jan BlizniÄenko

Thank you, then it seems fastest way is looking at repository web pages (for example http://www.smalltalkhub.com/#!/~ObjectProfile/Roassal2/commits ). Jan Thierry Goubier wrote > Hi Jan, > > It is not possible with the mcz format, because you have to open the zip > file to recover the metadata. > > Given the formats used, to just read the last commit message, you will > read > the entire history instead of just the last one. > > Thierry > > 2015-07-16 15:09 GMT+02:00 Jan BlizniÄenko < > bliznjan@.cvut > >: > >> Hello >> >> Lots of times I want to take a quick look at what is new in external >> packages I use, therefore I open repository in monticello, click at mcz >> and >> look at commit note. However, most of the times I want just to look at >> it, >> the commit time, author and note, not load whole mcz with its content. >> >> I would like to ask whether it is possible to change way of loading mcz >> in >> way that it would download only these metaatributes of mcz when browsing >> them (when I select mcz in list of all mcz of package) and download whole >> mcz only when I do load/change/merge etc. >> >> Jan >> >> >> >> -- >> View this message in context: >> http://forum.world.st/Download-only-metainfo-about-mcz-when-selected-tp4837… >> Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. >> >> -- View this message in context: http://forum.world.st/Download-only-metainfo-about-mcz-when-selected-tp4837… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

July 19, 2015

Separate compilation with Pillar?

by Alexandre Bergel

Hi! Is there a way to separately compile a chapter when writing a book in Pillar? The compilation time is pretty long... Alexandre -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

July 19, 2015

Re: [Pharo-users] GitFileTree browsing changes doesn't work in Pharo 5

by Thierry Goubier

Hi Peter, I'm unable to reproduce. I'm on the latest 5.0 (50174). Could you describe a bit more what you were trying (I tried Changes, and I go no error). Thierry Le 18/07/2015 23:59, Peter UhnÃ¡k a Ã©crit : > Can you wait until tomorrow? > > > Sure. > > Interestingly enough committing still works. > > Peter

July 19, 2015

Re: [Pharo-users] Woden?

by Hilaire

Le 19/07/2015 01:55, Merwan Ouddane a Ã©crit : >> Hi Hilaire, >> >> Only try to use the WDFPSSimpleExample until 11 (e.g: >> WDFPSSimpleExample6 new open) . The examples from >> WDFPSSimpleExample12 onward were made by Jean-Baptiste and Merwan >> Ouddane, and they require some external files to work which I don't have. > Sorry I'll clean it during the week. Did you look at the screenshoot I sent about the VM error? But all examples does not work. MNU WDScreenQuadVertex>>nbUnit32AtOffset: Hilaire -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 19, 2015

Re: [Pharo-users] PharoJS

by Sean P. DeNigris

Noury Bouraqadi-2 wrote > As I showed at ESUG..., it allows building a simple form app for > smartphones using PhoneGap. Ah, very cool use case. Is there a video? Noury Bouraqadi-2 wrote > (we missed you BTW) I just got married, but hopefully will be back next year. Much of my work seems to be converging and I hope to be able to show something exciting next ESUG :) Noury Bouraqadi-2 wrote > So, I shifted my goal, and decided to make it clean and usable for > production-quality app. > Fortunately, I won't be alone. Very good to hear on both counts. Noury Bouraqadi-2 wrote > Still, you can give it a try. There is a first tutorial that gives a quick > overview. I will do that ----- Cheers, Sean -- View this message in context: http://forum.world.st/PharoJS-tp4837593p4838140.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

July 19, 2015

Re: [Pharo-users] GitFileTree browsing changes doesn't work in Pharo 5

by Peter UhnÃ¡k

> > Can you wait until tomorrow? Sure. Interestingly enough committing still works. Peter

July 18, 2015

Re: [Pharo-users] GitFileTree browsing changes doesn't work in Pharo 5

by Thierry Goubier

Hi Peter, I may be a few updates behind Pharo5 these past days (well, I haven't started Pharo5 recently) so I need to have a look. Can you wait until tomorrow? Thierry Le 18/07/2015 23:38, Peter UhnÃ¡k a Ã©crit : > Hi, > > when I wanted to see package changes in Pharo 5 (with GitFileTree from > MetaRepoFor5.0 / loadDevelopment) > > it died on MCMczReader class>>canReadFileNamed: fileName > because "fileName" is actually instance of GitFileTreePackageEntry > > is it broken, or did I break something? > > Thanks, > Peter

July 18, 2015

GitFileTree browsing changes doesn't work in Pharo 5

by Peter UhnÃ¡k

Hi, when I wanted to see package changes in Pharo 5 (with GitFileTree from MetaRepoFor5.0 / loadDevelopment) it died on MCMczReader class>>canReadFileNamed: fileName because "fileName" is actually instance of GitFileTreePackageEntry is it broken, or did I break something? Thanks, Peter

July 18, 2015

Re: [Pharo-users] Where do I find Bloc and how do I load it?

by Merwan Ouddane

On 18/07/2015 22:58, H. Hirzel wrote: > Hello > > Where do I find Bloc and how do I load it? > > http://smalltalkhub.com/#!/~Bloc :-( http://smalltalkhub.com/#!/~Pharo/Bloc > > Regards > > Hannes > BR, Merwan

July 18, 2015

Re: [Pharo-users] Where do I find Bloc and how do I load it?

by Aliaksei Syrel

Hi I would suggest to use this one: Gofer it > smalltalkhubUser: 'Pharo' > project: 'Brick'; > package: 'ConfigurationOfBrick'; > loadDevelopment. > ConfigurationOfBrick loadDevelopment. If you need brick and bloc Cheers, Alex On Sat, Jul 18, 2015 at 11:00 PM, Peter UhnÃ¡k <i.uhnak(a)gmail.com> wrote: > Bloc & Brick > > http://ws.stfx.eu/F4DRC0CVSDII > > Peter > > On Sat, Jul 18, 2015 at 10:58 PM, H. Hirzel <hannes.hirzel(a)gmail.com> > wrote: > >> Hello >> >> Where do I find Bloc and how do I load it? >> >> http://smalltalkhub.com/#!/~Bloc :-( >> >> Regards >> >> Hannes >> >> >

July 18, 2015

Re: [Pharo-users] Where do I find Bloc and how do I load it?

by Peter UhnÃ¡k

Bloc & Brick http://ws.stfx.eu/F4DRC0CVSDII Peter On Sat, Jul 18, 2015 at 10:58 PM, H. Hirzel <hannes.hirzel(a)gmail.com> wrote: > Hello > > Where do I find Bloc and how do I load it? > > http://smalltalkhub.com/#!/~Bloc :-( > > Regards > > Hannes > >

July 18, 2015

Where do I find Bloc and how do I load it?

by H. Hirzel

Hello Where do I find Bloc and how do I load it? http://smalltalkhub.com/#!/~Bloc :-( Regards Hannes

July 18, 2015

Re: [Pharo-users] Woden?

by Merwan Ouddane

On 18/07/2015 18:51, Ronie Salgado wrote: > Hi Hilaire, > > Only try to use the WDFPSSimpleExample until 11 (e.g: > WDFPSSimpleExample6 new open) . The examples from WDFPSSimpleExample12 > onward were made by Jean-Baptiste and Merwan Ouddane, and they require > some external files to work which I don't have. Sorry I'll clean it during the week. > > They also made the Wavefront .obj file importer which is where you > (and me) are receiving a message not understood. It seems that they > forgot to merge some commits. Since I don't have the data they use to > test those examples, I can't give it a try to fix the problem. > > Anyway, during this week I started making a custom JSON based format > for Woden. Along with an exporter from Blender and an importer for > Woden. I am pushing the exporter script into > https://github.com/ronsaldo/Woden/blob/master/scripts/blender/operator_wode… > . > > You can try the importer in Woden using the attached file, and doing > the following in a playground: > > ============================== > > | scene camera node model pointLight | > scene := WDScene new. > > "Add a light" > pointLight := WDPointLight new. > pointLight > attach: (WDEllipticalOrbit new center: (WDVector3 newX: 0.0 y: 0.0 > z: 0.0)). > scene addChild: pointLight. > > camera := WDCamera new. > camera position: (WDVector3 z: 4.0). > scene addChild: camera. > > node := WDSceneNode new. > scene addChild: node. > model := WDModelJson new fromFile: './sample.wmjson'. > node attach: model. > > ============================== > > (WDSceneViewer scene: scene camera: camera) open; yourself > > Beware that soon I will be making a massive commit that could > temporarily break some stuff(new shader management system, skeletal > animation). I will be changing the configuration script soon. > > Best regards, > Ronie > > 2015-07-18 13:02 GMT-03:00 Alexandre Bergel <alexandre.bergel(a)me.com > <mailto:alexandre.bergel@me.com>>: > > Hi Hilaire, > > We will come back to you. > > Cheers, > Alexandre > > > > On Jul 18, 2015, at 5:54 PM, Hilaire <hilaire(a)drgeo.eu > <mailto:hilaire@drgeo.eu>> wrote: > > > > Hi, > > I want to make a demo of woden. > > But does not work, and I don't know why. > > > > Installed version from Smalltalkhub following instruction found > there, > > or download directly an image from jenkins, in both case I have > error > > when executing: > > > > WDFPSSimpleExample13 new open > > > > MNU: receiver #doSemanticAnalysisIn: is nil > > > > Thanks > > > > Hilaire > > > > > > PS: the Woden classes are almost completely uncommented! > > > > -- > > Dr. Geo > > http://drgeo.eu > > http://google.com/+DrgeoEu > > > > > > > > -- > _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: > Alexandre Bergel http://www.bergel.eu > ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. > > > > >

July 18, 2015

Re: [Pharo-users] Woden?

by Hilaire

Le 19/07/2015 00:51, Ronie Salgado a Ã©crit : > Only try to use the WDFPSSimpleExample until 11 (e.g: > WDFPSSimpleExample6 new open) . The examples from WDFPSSimpleExample12 > onward were made by It produces the same error with example before 11 Thanks Hilaire -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 18, 2015

Re: [Pharo-users] Woden?

by Ronie Salgado

Hi Hilaire, Only try to use the WDFPSSimpleExample until 11 (e.g: WDFPSSimpleExample6 new open) . The examples from WDFPSSimpleExample12 onward were made by Jean-Baptiste and Merwan Ouddane, and they require some external files to work which I don't have. They also made the Wavefront .obj file importer which is where you (and me) are receiving a message not understood. It seems that they forgot to merge some commits. Since I don't have the data they use to test those examples, I can't give it a try to fix the problem. Anyway, during this week I started making a custom JSON based format for Woden. Along with an exporter from Blender and an importer for Woden. I am pushing the exporter script into https://github.com/ronsaldo/Woden/blob/master/scripts/blender/operator_wode… . You can try the importer in Woden using the attached file, and doing the following in a playground: ============================== | scene camera node model pointLight | scene := WDScene new. "Add a light" pointLight := WDPointLight new. pointLight attach: (WDEllipticalOrbit new center: (WDVector3 newX: 0.0 y: 0.0 z: 0.0)). scene addChild: pointLight. camera := WDCamera new. camera position: (WDVector3 z: 4.0). scene addChild: camera. node := WDSceneNode new. scene addChild: node. model := WDModelJson new fromFile: './sample.wmjson'. node attach: model. ============================== (WDSceneViewer scene: scene camera: camera) open; yourself Beware that soon I will be making a massive commit that could temporarily break some stuff(new shader management system, skeletal animation). I will be changing the configuration script soon. Best regards, Ronie 2015-07-18 13:02 GMT-03:00 Alexandre Bergel <alexandre.bergel(a)me.com>: > Hi Hilaire, > > We will come back to you. > > Cheers, > Alexandre > > > > On Jul 18, 2015, at 5:54 PM, Hilaire <hilaire(a)drgeo.eu> wrote: > > > > Hi, > > I want to make a demo of woden. > > But does not work, and I don't know why. > > > > Installed version from Smalltalkhub following instruction found there, > > or download directly an image from jenkins, in both case I have error > > when executing: > > > > WDFPSSimpleExample13 new open > > > > MNU: receiver #doSemanticAnalysisIn: is nil > > > > Thanks > > > > Hilaire > > > > > > PS: the Woden classes are almost completely uncommented! > > > > -- > > Dr. Geo > > http://drgeo.eu > > http://google.com/+DrgeoEu > > > > > > > > -- > _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: > Alexandre Bergel http://www.bergel.eu > ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. > > > > >

July 18, 2015

Re: [Pharo-users] Woden?

by Hilaire

Le 19/07/2015 00:31, ClÃ©ment Bera a Ã©crit : > Hello, > > You can try to reload ConfigurationOfOSWindow or try to get the latest > ConfigurationOfOSWindow then load the bleeding edge, that might be it. > > It is already the ConfigurationOfOSWindow bleeding version installed -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 18, 2015

Re: [Pharo-users] Woden?

by Hilaire

As complement: I am using Ubuntu 14.04 with 3D support. I change the used VM for the one from Moose, 3.9-7 #1 Thu May 15 18:29:30 CEST 2014 gcc 4.6.3 [Production ITHB VM] NBCoInterpreter NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-4841-a965-2975997bba66 May 15 2014 NBCogit NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-4841-a965-2975997bba66 May 15 2014 https://github.com/pharo-project/pharo-vm.git Commit: ed4a4f59208968a21d82fd2406f75c2c4de558b2 Date: 2014-05-15 18:23:04 +0200 By: Esteban Lorenzano <estebanlm(a)gmail.com> Jenkins build #14826 Linux pharo-linux 3.2.0-31-generic-pae #50-Ubuntu SMP Fri Sep 7 16:39:45 UTC 2012 i686 i686 i386 GNU/Linux I have this error at the VM level (attached screenshot) It looks I miss some kind of window support. Thanks Hilaire Le 18/07/2015 23:54, Hilaire a Ã©crit : > Hi, > I want to make a demo of woden. > But does not work, and I don't know why. > > Installed version from Smalltalkhub following instruction found there, > or download directly an image from jenkins, in both case I have error > when executing: > > WDFPSSimpleExample13 new open > > MNU: receiver #doSemanticAnalysisIn: is nil > > Thanks > > Hilaire > > > PS: the Woden classes are almost completely uncommented! > -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 18, 2015

Re: [Pharo-users] Woden?

by ClÃ©ment Bera

Hello, You can try to reload ConfigurationOfOSWindow or try to get the latest ConfigurationOfOSWindow then load the bleeding edge, that might be it. Else for the #doSemanticAnalysisIn: you can try to flush the ASTCache (I think it's "ASTCache rest") Have fun 2015-07-18 17:54 GMT+02:00 Hilaire <hilaire(a)drgeo.eu>: > Hi, > I want to make a demo of woden. > But does not work, and I don't know why. > > Installed version from Smalltalkhub following instruction found there, > or download directly an image from jenkins, in both case I have error > when executing: > > WDFPSSimpleExample13 new open > > MNU: receiver #doSemanticAnalysisIn: is nil > > Thanks > > Hilaire > > > PS: the Woden classes are almost completely uncommented! > > -- > Dr. Geo > http://drgeo.eu > http://google.com/+DrgeoEu > > > >

July 18, 2015

Re: [Pharo-users] Woden?

by Alexandre Bergel

Hi Hilaire, We will come back to you. Cheers, Alexandre > On Jul 18, 2015, at 5:54 PM, Hilaire <hilaire(a)drgeo.eu> wrote: > > Hi, > I want to make a demo of woden. > But does not work, and I don't know why. > > Installed version from Smalltalkhub following instruction found there, > or download directly an image from jenkins, in both case I have error > when executing: > > WDFPSSimpleExample13 new open > > MNU: receiver #doSemanticAnalysisIn: is nil > > Thanks > > Hilaire > > > PS: the Woden classes are almost completely uncommented! > > -- > Dr. Geo > http://drgeo.eu > http://google.com/+DrgeoEu > > > -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

July 18, 2015

Woden?

by Hilaire

Hi, I want to make a demo of woden. But does not work, and I don't know why. Installed version from Smalltalkhub following instruction found there, or download directly an image from jenkins, in both case I have error when executing: WDFPSSimpleExample13 new open MNU: receiver #doSemanticAnalysisIn: is nil Thanks Hilaire PS: the Woden classes are almost completely uncommented! -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 18, 2015

thank you

by Tudor Girba

Hi, GT captured the spotlight again at ESUG: http://www.humane-assessment.com/blog/gtspotter-1st-prize-esug2015 [image: Inline image 1] We, the Glamorous Team, would like to thank the community for the trust and for the support. We assure you that we do not take this for granted. We started on an ambitious project of rethinking the IDE from the ground up. We started with GTInspector and showed how object inspection can be a great deal more than the state-of-the-art offers. Now we redefined searching for objects. These are great milestones, but the road ahead is still long and challenging. While the Glamorous Team is at the forefront, we cannot do it alone. We need you to work with us and show the world that we can reinvent what was started decades ago in Smalltalk. Only this time weâll make it happen in Pharo. Thank you, The Glamorous Team

July 18, 2015

Re: [Pharo-users] Rectangle center rounding

by Peter UhnÃ¡k

The discussion was that Rectangle is used by Morphic which uses integer coordinates so rounding is required. I think the idea was to split the two classes? Peter On Sat, Jul 18, 2015 at 9:50 AM, Stephan Eggermont <stephan(a)stack.nl> wrote: > On 17/07/15 18:16, Jan BlizniÄenko wrote: > >> Shouldn't the rounded method be separated as for >> example roundedCenter or something like that to eliminate the confusion? >> > > I think I've seen discussions about this before and vaguely > remember the conclusion that there was too much current > code depending on it for this to be an easy change at the > moment > > Stephan > > > >

July 18, 2015

Re: [Pharo-users] Rectangle center rounding

by Stephan Eggermont

On 17/07/15 18:16, Jan BlizniÄenko wrote: > Shouldn't the rounded method be separated as for > example roundedCenter or something like that to eliminate the confusion? I think I've seen discussions about this before and vaguely remember the conclusion that there was too much current code depending on it for this to be an easy change at the moment Stephan

July 18, 2015

Re: [Pharo-users] PharoJS

by Noury Bouraqadi

> On 17 Jul 2015, at 17:21, Sean P. DeNigris <sean(a)clipperadams.com> wrote: > > Noury Bouraqadi-2 wrote >> The main difference is that with PharoJS we develop and test in Pharo, >> with the confort of all cool tools such as the GT inspector, spotter :-) > > Wow!!! That is my main pain point with Amber. Unless one is very disciplined > with TDD, the linkage between the app loaded in the browser, and Helios > loaded in a separate window, introduces a run-compile-like cycle where after > every change, one has to reload the app which reloads the IDE, and you lose > all current state e.g. workspaces, etc. > > How mature is PharoJS? Is anyone using it in production? Who are the core > developers? What are the intentions e.g. toy? experiment? > production-quality? next big thing? > PharoJS is a side project I started early May this year as an experiment. But, after few weeks I noticed that it can cover a significant subset of Pharo. As I showed at ESUG (we missed you BTW), it allows building a simple form app for smartphones using PhoneGap. So, I shifted my goal, and decided to make it clean and usable for production-quality app. Fortunately, I won't be alone. Torsten Bergmann and Dave Mason kindly offered their help and joined the project since few days. Regarding the status, PharoJS is usable, but I don't recommend to use it for production right now. It is not polished and parts are likely to dramatically change in the forthcoming weeks. We also need to expand the documentation. Lot of stuff to do, but I'm very excited about it :-) Still, you can give it a try. There is a first tutorial that gives a quick overview. More to come. Noury

July 18, 2015

Re: [Pharo-users] Fwd: Phratch: System/World Menu instead of phratch menu

by Offray Vladimir Luna CÃ¡rdenas

Hi, No, I can't reproduce the bug, but our workshop already ended with very good results by the way. We use some mixture of Phratch and Scratch. Phratch worked fine almost all the time (except for the bug with Spanish and Operators, but the almost "real time" support was a convencing feature for the software). Scratch has the advantage of a web gallery, video integration, and more demos, but I think that some kind of gallery preview and sharing mode inside Phratch will reduce this advantage. It was a very possitive experience and I plan to repeat it in the future and make more documentation. Cheers, Offray On 15/07/15 10:58, jannik laval wrote: > Hi Offray, > > Could you reproduce the bug ? > Or when does it appear ? > > Best regards, > Jannik > > 2015-07-15 17:39 GMT+02:00 Offray Vladimir Luna CÃ¡rdenas > <offray(a)riseup.net <mailto:offray@riseup.net>>: > > He he, sorry sending from the wrong mail address, here comes again. > > > -------- Forwarded Message -------- > Subject: Phratch: System/World Menu instead of phratch menu > Date: Wed, 15 Jul 2015 10:35:37 -0500 > From: Offray Vladimir Luna CÃ¡rdenas <offray.luna(a)mutabit.com> > <mailto:offray.luna@mutabit.com> > To: pharo-users(a)lists.pharo.org <mailto:pharo-users@lists.pharo.org> > > > > Hi, > > Some of my students are having a problem. For some reason the pharo > world/system menu appears and we don't know how to disable it and go > back to the phratch menu, so we can't use "Save as" and other options to > save/export projects. > > How to get back the default behaviour for Phratch menus? > > Thanks, > > Offray > > > > > > > -- > > ~~Jannik Laval~~ > Ãcole des Mines de Douai > Enseignant-chercheur > http://www.jannik-laval.eu > http://www.phratch.com > http://www.approchealpes.info > http://car.mines-douai.fr/ >

July 17, 2015

Re: [Pharo-users] Pharo-users Digest, Vol 27, Issue 62

by Noury Bouraqadi

> On 17 Jul 2015, at 18:26, Andy Burnett <andy.burnett(a)knowinnovation.com> wrote: > > The main thing I am wondering about is how to build portable interfaces. > > My ideal situation would be to use something like Spec to prototype within Pharo, and then generate something similar in JS. > > Alternatively, perhaps we could create mock objects for something like jquery-ui. > > Noury, have you done any experiments with this? > I like the idea. But, so far PharoJS does not have support for widgets. Roassal might be a cool solution. It does not have all widgets, but the cool zoomable visualisation can be exported to javascipt. Noury

July 17, 2015

Re: [Pharo-users] Pharo-users Digest, Vol 27, Issue 62

by Andy Burnett

The main thing I am wondering about is how to build portable interfaces. My ideal situation would be to use something like Spec to prototype within Pharo, and then generate something similar in JS. Alternatively, perhaps we could create mock objects for something like jquery-ui. Noury, have you done any experiments with this? Cheers Andy

July 17, 2015

Rectangle center rounding

by Jan BlizniÄenko

Hello I came to problem with Roassal which originates in Rectangle class. Although rectangle holds its points (origin and corner) in float (not rounded) numbers, the Rectangle>>#center method rounds it down to integers. It causes wierd behavior in Roassal where moving elements in some ocasions are "jumping" to all directions like a jelly. I understand it is for performance reasons, but I think this optimisation is not on the right place. Rectangle origin: 0.9(a)0.9 corner: 3@3 just does not have center 1@1, it is way too far from the real center. Shouldn't the rounded method be separated as for example roundedCenter or something like that to eliminate the confusion? Jan -- View this message in context: http://forum.world.st/Rectangle-center-rounding-tp4837980.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

July 17, 2015

Re: [Pharo-users] PharoJS

by Sean P. DeNigris

Noury Bouraqadi-2 wrote > The main difference is that with PharoJS we develop and test in Pharo, > with the confort of all cool tools such as the GT inspector, spotter :-) Wow!!! That is my main pain point with Amber. Unless one is very disciplined with TDD, the linkage between the app loaded in the browser, and Helios loaded in a separate window, introduces a run-compile-like cycle where after every change, one has to reload the app which reloads the IDE, and you lose all current state e.g. workspaces, etc. How mature is PharoJS? Is anyone using it in production? Who are the core developers? What are the intentions e.g. toy? experiment? production-quality? next big thing? ----- Cheers, Sean -- View this message in context: http://forum.world.st/PharoJS-tp4837593p4837974.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

July 17, 2015

Re: [Pharo-users] [Pharo-dev] Seeking help on morphs : expander and scrolls

by Jigyasa Grover

Nicolai, that was indeed a help. Thanks :) -- View this message in context: http://forum.world.st/Seeking-help-on-morphs-expander-and-scrolls-tp4837934… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

July 17, 2015

Re: [Pharo-users] [Pharo-dev] Seeking help on morphs : expander and scrolls

by Nicolai Hess

what about "newTextEditorFor:" *dialog newRow: {* *(* * (* * dialog newExpander: r title asString* * forAll: { dialog newTextEditorFor: yourTextModel getText:#getTextSelector setText:#setTextSelector. }* * )minWidth:600; minHeight: 10* *)cellInset: 0;* * borderStyle: (BorderStyle inset baseColor: dialog paneColor; width: 1)* 2015-07-17 11:59 GMT+02:00 Jigyasa Grover <grover.jigyasa1(a)gmail.com>: > Hi > > I am using Expander Morphs to display some search results. > I am finding it hard to insert a scroll bar in text displayed after > expanding the title of the search result. > > The corresponding code snippet is as: > *dialog newRow: {* > *(* > * (* > * dialog newExpander: r title asString* > * forAll: { dialog newText: r content asString . }* > * )minWidth:600; minHeight: 10* > *)cellInset: 0;* > * borderStyle: (BorderStyle inset baseColor: dialog paneColor; width: 1)* > * } * > > I basically need to add a scroll-able content in '*newText*:' portion. > > The entire code of my application an offline text search application > namely searchQuick is available at github ( > https://github.com/jig08/sQuick_new) . > You all are welcome to fork the code , try the infancy application and > send in suggestions. > > Help Appreciated. > Regards > Jigyasa >

July 17, 2015

The Esug videos have started arriving

by Stephan Eggermont

https://www.youtube.com/user/esugboard/videos

July 17, 2015

How to correctly boost performances with Nativeboost ?

by Matthieu Lacaton

Hello everyone, I know, I come up with another question involving NativeBoost ... Sorry ! Anyway, I am currently trying to improve the performance of a Pharo application by trying to rewrite some parts in C and use them with NativeBoost. In the application, there is a need to compute a lot of 2D projections of points so basically I need to compute a lot of cosinuses and sinuses on different points. Ultimately I'd like to do it with openMP to use all the processor cores but for now I just wanted to do some tests to find the best way to combine Pharo and C. The first test consisted in writing a very simple C function and use it from inside Pharo : void project (Point *p) { p->x = cos(p->x); p->y = sin(p->y); } with typedef struct { double x; double y; } Point; In Pharo I created a NBExternalStructure to match Point and everything worked as expected. Now I ran some performance tests and there are some results I don't really understand :( 1) First test was : test | t1 t2 tC tPharo | tC := 0. tPharo := 0. 1 to: 1000000 do: [ :i | | p1 | p1 := Point x: i + (1.0 / i ) y: i - (1.0 / i). t1 := Time microsecondsToRun: [ p1 setX: p1 x cos setY: p1 y sin. ] tPharo := tPharo + t1. ] 1 to: 1000000 do: [ :i | | p2 | p2 := MyPoint x: i + (1.0 / i ) y: i - (1.0 / i). t2 := Time microsecondsToRun: [ self primProject: p2. ] tC := tC + t2. ] Results here are arround 185 ms for tC and 210 ms for tPharo. Nothing really bothered me with this test as results seemed coherent (are they ?). 2) Second test was : test2 | tC tPharo array1 array2 size | size := 1000000. array1 := Array new: size. array2 := Array new: size. 1 to: size do: [ :i | array1 at: i put: (Point x: i + (1.0 / i ) y: i - (1.0 / i)). array2 at: i put: (MyPoint x: i + (1.0 / i ) y: i - (1.0 / i)). ]. tPharo := Time millisecondsToRun: [ array1 do: [ :each | each setX: each x cos setY: each y sin. ]. ]. tC := Time millisecondsToRun: [ array2 do: [ :each | self primProject: each. ]. ]. Results here are arround 3 500 ms for tPharo and 150ms for tC. And I don't really understand why such a difference. I've tried doing tC first but it changed nothing. I've checked the results and the contents of array2 are all updated correctly. Is there a problem with tC or tPharo ? What am I doing wrong ? On another hand, I also noticed that it is faster to allocate the array with Pharo Points than the array with MyPoint C-ish struct. I did some more testing and it seemed that on a general basis it is faster to manipulate Pharo objects than C-ish structs or pointers. For example, it is faster to read in a Pharo array than to read in a NativeBoost_to_C array. Knowing so, what kind of C types should I use to avoid losing too much time manipulating them with NativeBoost ? Is it preferable, for example, to use two separate double instead of a struct with two doubles inside ? Thank you very much, Matthieu

July 17, 2015

Seeking help on morphs : expander and scrolls

by Jigyasa Grover

Hi I am using Expander Morphs to display some search results. I am finding it hard to insert a scroll bar in text displayed after expanding the title of the search result. The corresponding code snippet is as: *dialog newRow: {* *(* * (* * dialog newExpander: r title asString* * forAll: { dialog newText: r content asString . }* * )minWidth:600; minHeight: 10* *)cellInset: 0;* * borderStyle: (BorderStyle inset baseColor: dialog paneColor; width: 1)* * } * I basically need to add a scroll-able content in '*newText*:' portion. The entire code of my application an offline text search application namely searchQuick is available at github (https://github.com/jig08/sQuick_new) . You all are welcome to fork the code , try the infancy application and send in suggestions. Help Appreciated. Regards Jigyasa

July 17, 2015

Re: [Pharo-users] troubles with JNIPort on Pharo 5 / Java 8

by Joachim Geidel

Tudor Girba-2 wrote > However, I do not know where to point "JNIPortJNIInterface libraryFile:" > to. In the original instructions for Java 1.6, the code looked like: > JNIPortJNIInterface libraryFile: > '/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Libraries/libclient.dylib' > > With JDK 1.8 (and even 1.7), the file organization seems to be different > and the libclient.dylib does not exist. > > I tried to point it to libjli.dylib, which looks similar, but that does > not > seem to work: > JNIPortJNIInterface libraryFile: > '/Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/MacOS/libjli.dylib'. Hi Doru, JLI is the Java Legacy Interface, not the VM. AFAICT, the JVM library should be at /Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/Home/jre/lib/server/libjvm.dylib Java 8 for OS X is a 64 bit version, it won't work with a 32 bit Pharo. When I released the latest version of JNIPort, there was no 64 bit NativeBoost, and as as JNIPort for Pharo is based on NativeBoost, I guess that it won't work with Java 8. However, if you have Apple's original Java 6 installed, you can still use that. An alternative JVM might be JamVM, but I can't check right now if there is a 32 bit version as SourceForge is currently offline. HTH Joachim -- View this message in context: http://forum.world.st/troubles-with-JNIPort-on-Pharo-5-Java-8-tp4836922p483… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

July 17, 2015

Re: [Pharo-users] NativeBoost and OpenMP

by stepharo

I blogged about you :) Le 16/7/15 19:18, Matthieu Lacaton a Ã©crit : > Hello, > > I haven't really seen anything related to this on the Internet and > maybe some people will find it cool so I just wanted to report one > thing I found out today : > > NativeBoost works great with OpenMP ! > > I wrote a C function twice, once with openMP and once without. I made > 32 bits libraries and used them from inside Pharo with NativeBoost. > > When using the non - openMP library, only one core was used but when > using the openMP library, both my cores were used and the time it took > to run was really divided by (a little bit less than) 2 ! > > That's just me but i find it really cool :p > > Cheers, > > Matthieu > > > >

July 17, 2015

Re: [Pharo-users] NativeBoost and OpenMP

by Ben Coman

Very cool. Nice to hear you're having fun. cheers -ben On Fri, Jul 17, 2015 at 1:18 AM, Matthieu Lacaton <matthieu.lacaton(a)gmail.com> wrote: > Hello, > > I haven't really seen anything related to this on the Internet and maybe > some people will find it cool so I just wanted to report one thing I found > out today : > > NativeBoost works great with OpenMP ! > > I wrote a C function twice, once with openMP and once without. I made 32 > bits libraries and used them from inside Pharo with NativeBoost. > > When using the non - openMP library, only one core was used but when using > the openMP library, both my cores were used and the time it took to run was > really divided by (a little bit less than) 2 ! > > That's just me but i find it really cool :p > > Cheers, > > Matthieu > > > >

July 17, 2015

Re: [Pharo-users] Pharo Success story - MultiCity

by Norbert Hartl

> Am 16.07.2015 um 18:14 schrieb "phil(a)highoctane.be" <phil(a)highoctane.be>: > > > Le 16 juil. 2015 15:07, "Norbert Hartl" <norbert(a)hartl.name> a Ã©crit : > > > > > >> Am 16.07.2015 um 12:59 schrieb phil(a)highoctane.be: > >> > >> One question about Mongo. > >> > >> How do you handle HA (High Availability) in Pharo? > >> > > I don't. > > > >> The current driver (MongoTalk) connects to one single mongod. > >> > >> I haven't seen any support for replicasets and identifying who is the mongod to write to in MongoTalk (this support is built in any Python, Ruby, ... driver they do provide, including sharding support and GridFS). > >> > > As far as I know there is no support for all of these. It would be really good to have them. But if nobody contributes it may be not needed after all. > > Working - slowly - on it. > Great! I'd like to see support for this. If you have anything commit it. Or ask. I'll be happy to assist. Norbert > > > > >> Also, I've been experiencing a couple of protocol errors when working with mongod under some scenarios (unrecognized command coming back in the wire protocol). Looks like MongoTalk and mongod were out of sync on the wire protocol. > >> > > You need to be careful because the mongo connection is a single stream aligned request by request. If another thread writes on the stream at the same time you will experience what you call "out of sync". > > Not such issue in the current code AFAIK but will look closer. > > > > > Norbert > > > >> Thanks and kudos for one more nice application! > >> > >> Phil > >> > >> > >> On Thu, Jul 16, 2015 at 12:36 PM, Norbert Hartl <norbert(a)hartl.name> wrote: > >>> > >>> Hi Torsten, > >>> > >>> > Am 15.07.2015 um 22:51 schrieb Torsten Bergmann <astares(a)gmx.de>: > >>> > > >>> > Another story from 2Denker is up: http://pharo.org/success/MultiCity > >>> > > >>> > Client seems to be done using Amber when I check the login page which was > >>> > styled with Bootstrap. Server in Pharo with Nginx. I guess you use Mongo as > >>> > DB (with Voyage or without). > >>> > > >>> > @Norbert/@Marcus: if possible can you share with us a few more technical details about > >>> > the technologies/stack used. Also about size (LOC, users, nr of images) > >>> > and pitfalls ... > >>> > > >>> > There is always something one can learn from the experience of others. > >>> > >>> sure I can give some insight in the project. > >>> > >>> For the admin client we use amber plus bootstrap. The backend for this is a pharo image with voyage. As you can see in the screenshot there is a geo location entered. That can be searched afterwards because mongo provides geo spatial indexes. > >>> > >>> The project is built upon a service we provide at 2denker. The service is a registry for app installations, users and message tokens. We provide libraries for ios, android and windows mobile that registers the app, assigns a user, requests a message token from the user and stores it. The service is used for notifying the user at return of the car. You then get a notification containing the time and price of your car rental. > >>> > >>> The architecture of our infrastructure is event based. Meaning that e.g. the installation registration service sends events to a central event bus like image. This stores the events in elasticsearch and provides the ability to register for events. > >>> > >>> What we had to do for this project? We've built an image that on the one hand serves the request of the client admin interface. On the other hand it registers at the event server for a certain kind of event. This event is triggered by the car return and piggybacks the geo location where the car has been left. When such an event travels through our system the event server sees a match and calls the image. The image extracts the geo information and searches the database for available advertisements. If one is found and conditions are met an additional message is sent. > >>> > >>> That's roughly it. In the whole process there are 8 pharo images involved but 2 are for redundancy so it is 6 different images. The rest is a mongo database and an elasticsearch database. If you want to know anything more don't hesitate to ask. > >>> > >>> Norbert > >>> > >>> > >>> > >> > >

July 16, 2015

Re: [Pharo-users] Pharo Success story - MultiCity

by Norbert Hartl

> Am 16.07.2015 um 21:24 schrieb Paul DeBruicker <pdebruic(a)gmail.com>: > > Are you using SMS at all? > Yes, we do use sms. One of our services is to reduce prices on messaging through message routing. As we know who can receive a push notification and who does not we can reach all users sending smses only for those who cannot. But in this particular project it is notification only. Norbert > > > > NorbertHartl wrote >>> Am 16.07.2015 um 12:36 schrieb Norbert Hartl < > >> norbert@ > >> >: >>> >>> That's roughly it. In the whole process there are 8 pharo images involved >>> but 2 are for redundancy so it is 6 different images. >> >> To clarify on that. There are two images load balanced for the registry >> services. Two load balanced for the event stuff. Each one for sending >> apple push notifications, google cloud messages and windows messages. And >> there is a single image for this project. >> >> Norbert > > > > > > -- > View this message in context: http://forum.world.st/Pharo-Success-story-MultiCity-tp4837716p4837880.html > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. >

July 16, 2015

Re: [Pharo-users] Pharo Success story - MultiCity

by Paul DeBruicker

Are you using SMS at all? NorbertHartl wrote >> Am 16.07.2015 um 12:36 schrieb Norbert Hartl < > norbert@ > >: >> >> That's roughly it. In the whole process there are 8 pharo images involved >> but 2 are for redundancy so it is 6 different images. > > To clarify on that. There are two images load balanced for the registry > services. Two load balanced for the event stuff. Each one for sending > apple push notifications, google cloud messages and windows messages. And > there is a single image for this project. > > Norbert -- View this message in context: http://forum.world.st/Pharo-Success-story-MultiCity-tp4837716p4837880.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

July 16, 2015

Re: [Pharo-users] NativeBoost and variadic functions

by Ben Coman

On Fri, Jul 17, 2015 at 12:23 AM, Igor Stasenko <siguctua(a)gmail.com> wrote: > > > On 15 July 2015 at 16:35, Ben Coman <btc(a)openinworld.com> wrote: >> >> On Wed, Jul 15, 2015 at 5:16 PM, Matthieu Lacaton >> <matthieu.lacaton(a)gmail.com> wrote: >> > Hello Igor, >> > >> > Thanks for your answer. >> > >> > I implemented something like that for the printf function: >> > Basically, it generates a method with matching arguments and executes >> > it. >> > >> >> printf: stringFormat args: tab >> >> >> >> | argNumber functionArgs functionPrototype methodCorpse >> >> methodSelector >> >> argsArray | >> >> >> >> ((tab size % 2) = 0) ifFalse: [ >> >> Transcript show: 'error'. >> >> ^self. >> >> ]. >> >> >> >> argNumber := 0. >> >> functionPrototype := 'printf: stringFormat'. >> >> functionArgs := ''. >> >> methodCorpse := ''. >> >> argsArray := (Array new: (tab size / 2) + 1). >> >> argsArray at: 1 put: stringFormat. >> >> >> >> 1 to: tab size by: 2 do: [ :i | >> >> functionPrototype := functionPrototype, ' arg', argNumber >> >> asString, ': ', (tab at: i) asString, argNumber asString. >> >> functionArgs := functionArgs, ' ', (tab at: i) asString, ' ', >> >> (tab >> >> at: i) asString, argNumber asString, ','. >> >> argsArray at: argNumber + 2 put: (tab at: i + 1). >> >> argNumber := argNumber + 1. >> >> ]. >> >> functionArgs := functionArgs allButLast. >> >> >> >> methodCorpse := functionPrototype, Character cr asString, ' >> >> <primitive: #primitiveNativeCall module: #NativeBoostPlugin>', >> >> Character cr >> >> asString, Character cr asString, ' ^self nbCall: #( void printf ( >> >> String >> >> stringFormat,', functionArgs asString, ' ) )', Character cr asString, ' >> >> module: NativeBoost CLibrary'. >> >> >> >> methodSelector := self class compile: methodCorpse. >> >> >> >> self perform: methodSelector withArguments: argsArray. >> > >> > >> > >> > Then you can call it like that : >> > >> > MyClass printf: 'Test of printf. String: %s, Int : %d, Long: %ld, Char: >> > %c, >> > Double: %lf' args: { 'String'. 'This is a string'. 'int'. 100. 'long'. >> > 10000000. 'char'. 89. 'double'. 3.14159 }. >> > >> > >> > I also tried it for some other variadic functions and, on my computer (I >> > am >> > running archlinux), it seemed to work for every type of argument except >> > "float". >> >> >> Maybe NativeBoost does not do implicit type conversions that a C >> compiler would do? > > > It does not. > But that's not an issue. The philosophy behind NB was to require from user > explicit information about what types to use and how. > The main reason behind that, is that the more explicit and detailed > information you got at compilation time (in case of NB - code generation) , > the more simple and efficient generated code will be. > In general, you don't want to generate trains of machine code to handle > 1000+ of cases for converting a single argument (and then repeat the same > for next function argument). It makes things slow and inefficient, not > speaking that generated code also takes memory space. > I don't want to make code generation too smart, and this is why i trying to > avoid any implicitness: because else it makes users wonder why something > works and something don't and he have no idea, because of tons and tons of > contradicting implicit rules hidden behind the scenes. > > And let me remind you that despite that NB implements FFI to speak with C, > it is not obliged to implement features of C language itself. It lets you > speak with C programs, but not lets you write programs like in C (see the > difference? :) I wasn't implying that implicit type conversion was a good thing that needed implementing -- but just a bump if it hadn't needed attention to it before when C did it automagically. cheers -ben > >> [1] "Because C will promote floats to doubles for functions that take >> variable arguments" >> >> More info search [2] for: >> * "implicit type conversion" >> * "guess wrongly when the program uses floating-point formats in >> scanf() or printf()" >> >> [1] >> http://stackoverflow.com/questions/210590/why-does-scanf-need-lf-for-double… >> >> [2] http://www.electroons.com/8051/ebooks/expert%20C%20programming.pdf >> >> cheers -ben >> >> >> > It works fine for "double" though. >> > For "char" you need to pass the integer ASCII value directly for it to >> > work. >> > I tried with "Character value: xxx" but it didn't work. >> > >> > I know that this is very hackish and very bad, and I am aware it has >> > some >> > drawbacks. Moreover I am not even sure it will work everytime. >> > But for now it seems to work ... >> > >> > 2015-07-13 19:24 GMT+02:00 Igor Stasenko <siguctua(a)gmail.com>: >> >> >> >> >> >> >> >> On 10 July 2015 at 10:18, Matthieu Lacaton <matthieu.lacaton(a)gmail.com> >> >> >> wrote: >> >>> >> >>> Hello, >> >>> >> >>> Is it possible with NativeBoost to create a binding for a variadic >> >>> function ? >> >>> >> >>> I've seen the printf example in NBCPrinter but this implementation is >> >>> kind of cheating since it always pass just a %s as format and one >> >>> already >> >>> formatted string to the C function. >> >>> >> >>> I've written a simple variadic function which adds every integer it >> >>> receives as argument (first argument is for the number of following >> >>> arguments) : >> >>> >> >>> int add(int number,...); >> >>> >> >>> In Pharo I've tried something like this : >> >>> >> >>>> add: number arg1: first arg2: second >> >>>> <primitive: #primitiveNativeCall module: #NativeBoostPlugin> >> >>>> >> >>>> ^ self nbCall: #( int add (int number, int first, int second)) >> >>>> module: 'libMyLib.so' >> >>> >> >>> >> >>> and it works fine with two arguments. >> >>> >> >>> Basically, doing so, I would need one method per number of arguments >> >>> so >> >>> it's not very cool. >> >>> >> >>> I thought that maybe I could pass an array as argument to my Pharo >> >>> method >> >>> but I didn't really find a way to figure out how to define the nbCall >> >>> without having a "Generic failure". >> >>> >> >>>> add: number args: anArray >> >>>> <primitive: #primitiveNativeCall module: #NativeBoostPlugin> >> >>>> >> >>>> ^ self nbCall: #( int add (int number, ??? anArray)) >> >>>> module: 'libMyLib.so' >> >>> >> >>> >> >>> Do you have an idea ? >> >>> >> >> >> >> In short, there's no marshaller for converting an array of items, to >> >> same >> >> number of things on stack. That could solve the problem with your >> >> example: >> >> passing array of objects of *same* type. But in general, it is not what >> >> C >> >> variadic function(s) standing for. Because they stand for any number of >> >> arguments, of any type. >> >> In C, since all program is compiled statically, compiler knows the >> >> number >> >> of passed arguments and their types through compiling each particular >> >> call >> >> site(s) to variadic function. Which means that in fact, you are still >> >> supplying all information needed by compiler *before* run time. >> >> >> >> In variadic functions, you can pass any arguments of any type, >> >> but for converting each of them, you must tell NB what kind of >> >> marshaller >> >> should be used for it , which means, that it is impossible to know >> >> before >> >> run time, since you cannot know how many arguments you may pass, not >> >> speaking about their types.

July 16, 2015

NativeBoost and OpenMP

by Matthieu Lacaton

Hello, I haven't really seen anything related to this on the Internet and maybe some people will find it cool so I just wanted to report one thing I found out today : NativeBoost works great with OpenMP ! I wrote a C function twice, once with openMP and once without. I made 32 bits libraries and used them from inside Pharo with NativeBoost. When using the non - openMP library, only one core was used but when using the openMP library, both my cores were used and the time it took to run was really divided by (a little bit less than) 2 ! That's just me but i find it really cool :p Cheers, Matthieu

July 16, 2015

Re: [Pharo-users] NativeBoost and variadic functions

by Matthieu Lacaton

> > Oh man... > and why would anyone may want to use this? :) > > Sure you can do whatever it takes to implement a feature you want so badly, > but hey.. > If something that takes so much effort and so inefficient as result, would > you consider abandon the idea and use something else instead? :) > Because it is straightly against the philosophy of NB: be fast and > explicit. > And you seem to be in favor of implicitness. > Well, nevertheless, it is a honorable goal, so good luck :) You are right. Actually it was just a workaround to see if I could bypass some of the "limitations" but it is definitely too ugly and inefficient to be useful. The C code will be changed to fit Pharo and that will do the trick. And let me remind you that despite that NB implements FFI to speak with C, > it is not obliged to implement features of C language itself. It lets you > speak with C programs, but not lets you write programs like in C (see the > difference? :) > You are definitely right once again. I noticed today that lately I was writing more C-ish code in Pharo than Smalltalk-ish code... But I really like NativeBoost :( 2015-07-16 18:33 GMT+02:00 Igor Stasenko <siguctua(a)gmail.com>: > > > On 15 July 2015 at 11:16, Matthieu Lacaton <matthieu.lacaton(a)gmail.com> > wrote: > >> Hello Igor, >> >> Thanks for your answer. >> >> I implemented something like that for the printf function: >> Basically, it generates a method with matching arguments and executes it. >> >> *printf:* stringFormat *args:* tab >>> >>> | argNumber functionArgs functionPrototype methodCorpse >>> methodSelector argsArray | >>> >>> ((tab size % 2) = 0) ifFalse: [ >>> Transcript show: 'error'. >>> ^self. >>> ]. >>> >>> argNumber := 0. >>> functionPrototype := 'printf: stringFormat'. >>> functionArgs := ''. >>> methodCorpse := ''. >>> argsArray := (Array new: (tab size / 2) + 1). >>> argsArray at: 1 put: stringFormat. >>> >>> 1 to: tab size by: 2 do: [ :i | >>> functionPrototype := functionPrototype, ' arg', argNumber >>> asString, ': ', (tab at: i) asString, argNumber asString. >>> functionArgs := functionArgs, ' ', (tab at: i) asString, ' ', >>> (tab at: i) asString, argNumber asString, ','. >>> argsArray at: argNumber + 2 put: (tab at: i + 1). >>> argNumber := argNumber + 1. >>> ]. >>> functionArgs := functionArgs allButLast. >>> >>> methodCorpse := functionPrototype, Character cr asString, ' >>> <primitive: #primitiveNativeCall module: #NativeBoostPlugin>', Character cr >>> asString, Character cr asString, ' ^self nbCall: #( void printf ( String >>> stringFormat,', functionArgs asString, ' ) )', Character cr asString, ' >>> module: NativeBoost CLibrary'. >>> >>> methodSelector := self class compile: methodCorpse. >>> >>> self perform: methodSelector withArguments: argsArray. >>> >> >> >> Then you can call it like that : >> >> MyClass printf: 'Test of printf. String: %s, Int : %d, Long: %ld, Char: >> %c, Double: %lf' args: { 'String'. 'This is a string'. 'int'. 100. 'long'. >> 10000000. 'char'. 89. 'double'. 3.14159 }. >> >> >> I also tried it for some other variadic functions and, on my computer (I >> am running archlinux), it seemed to work for every type of argument except >> "float". It works fine for "double" though. >> For "char" you need to pass the integer ASCII value directly for it to >> work. I tried with "Character value: xxx" but it didn't work. >> >> I know that this is very hackish and very bad, and I am aware it has some >> drawbacks. Moreover I am not even sure it will work everytime. >> But for now it seems to work ... >> >> Oh man... > and why would anyone may want to use this? :) > > Sure you can do whatever it takes to implement a feature you want so badly, > but hey.. > If something that takes so much effort and so inefficient as result, would > you consider abandon the idea and use something else instead? :) > Because it is straightly against the philosophy of NB: be fast and > explicit. > And you seem to be in favor of implicitness. > Well, nevertheless, it is a honorable goal, so good luck :) > > >> 2015-07-13 19:24 GMT+02:00 Igor Stasenko <siguctua(a)gmail.com>: >> >>> >>> >>> On 10 July 2015 at 10:18, Matthieu Lacaton <matthieu.lacaton(a)gmail.com> >>> wrote: >>> >>>> Hello, >>>> >>>> Is it possible with NativeBoost to create a binding for a variadic >>>> function ? >>>> >>>> I've seen the printf example in NBCPrinter but this implementation is >>>> kind of cheating since it always pass just a %s as format and one already >>>> formatted string to the C function. >>>> >>>> I've written a simple variadic function which adds every integer it >>>> receives as argument (first argument is for the number of following >>>> arguments) : >>>> >>>> int add(int number,...); >>>> >>>> In Pharo I've tried something like this : >>>> >>>> *add: *number *arg1: *first *arg2: *second >>>>> <primitive: #primitiveNativeCall module: #NativeBoostPlugin> >>>>> >>>>> ^ self nbCall: #( int add (int number, int first, int second)) >>>>> module: 'libMyLib.so' >>>>> >>>> >>>> and it works fine with two arguments. >>>> >>>> Basically, doing so, I would need one method per number of arguments so >>>> it's not very cool. >>>> >>>> I thought that maybe I could pass an array as argument to my Pharo >>>> method but I didn't really find a way to figure out how to define the >>>> nbCall without having a "Generic failure". >>>> >>>> *add: *number *args: *anArray >>>>> <primitive: #primitiveNativeCall module: #NativeBoostPlugin> >>>>> >>>>> ^ self nbCall: #( int add (int number, ??? anArray)) >>>>> module: 'libMyLib.so' >>>>> >>>> >>>> Do you have an idea ? >>>> >>>> >>> In short, there's no marshaller for converting an array of items, to >>> same number of things on stack. That could solve the problem with your >>> example: passing array of objects of *same* type. But in general, it is not >>> what C variadic function(s) standing for. Because they stand for any number >>> of arguments, of any type. >>> In C, since all program is compiled statically, compiler knows the >>> number of passed arguments and their types through compiling each >>> particular call site(s) to variadic function. Which means that in fact, you >>> are still supplying all information needed by compiler *before* run time. >>> >>> In variadic functions, you can pass any arguments of any type, >>> but for converting each of them, you must tell NB what kind of >>> marshaller should be used for it , which means, that it is impossible to >>> know before run time, since you cannot know how many arguments you may >>> pass, not speaking about their types. >>> >>> >>> >>> >>>> Thanks, >>>> >>>> Matthieu >>>> >>>> >>>> >>> >>> >>> -- >>> Best regards, >>> Igor Stasenko. >>> >> >> > > > -- > Best regards, > Igor Stasenko. >

July 16, 2015

Re: [Pharo-users] NativeBoost and variadic functions

by Igor Stasenko

On 15 July 2015 at 11:16, Matthieu Lacaton <matthieu.lacaton(a)gmail.com> wrote: > Hello Igor, > > Thanks for your answer. > > I implemented something like that for the printf function: > Basically, it generates a method with matching arguments and executes it. > > *printf:* stringFormat *args:* tab >> >> | argNumber functionArgs functionPrototype methodCorpse >> methodSelector argsArray | >> >> ((tab size % 2) = 0) ifFalse: [ >> Transcript show: 'error'. >> ^self. >> ]. >> >> argNumber := 0. >> functionPrototype := 'printf: stringFormat'. >> functionArgs := ''. >> methodCorpse := ''. >> argsArray := (Array new: (tab size / 2) + 1). >> argsArray at: 1 put: stringFormat. >> >> 1 to: tab size by: 2 do: [ :i | >> functionPrototype := functionPrototype, ' arg', argNumber >> asString, ': ', (tab at: i) asString, argNumber asString. >> functionArgs := functionArgs, ' ', (tab at: i) asString, ' ', >> (tab at: i) asString, argNumber asString, ','. >> argsArray at: argNumber + 2 put: (tab at: i + 1). >> argNumber := argNumber + 1. >> ]. >> functionArgs := functionArgs allButLast. >> >> methodCorpse := functionPrototype, Character cr asString, ' >> <primitive: #primitiveNativeCall module: #NativeBoostPlugin>', Character cr >> asString, Character cr asString, ' ^self nbCall: #( void printf ( String >> stringFormat,', functionArgs asString, ' ) )', Character cr asString, ' >> module: NativeBoost CLibrary'. >> >> methodSelector := self class compile: methodCorpse. >> >> self perform: methodSelector withArguments: argsArray. >> > > > Then you can call it like that : > > MyClass printf: 'Test of printf. String: %s, Int : %d, Long: %ld, Char: > %c, Double: %lf' args: { 'String'. 'This is a string'. 'int'. 100. 'long'. > 10000000. 'char'. 89. 'double'. 3.14159 }. > > > I also tried it for some other variadic functions and, on my computer (I > am running archlinux), it seemed to work for every type of argument except > "float". It works fine for "double" though. > For "char" you need to pass the integer ASCII value directly for it to > work. I tried with "Character value: xxx" but it didn't work. > > I know that this is very hackish and very bad, and I am aware it has some > drawbacks. Moreover I am not even sure it will work everytime. > But for now it seems to work ... > > Oh man... and why would anyone may want to use this? :) Sure you can do whatever it takes to implement a feature you want so badly, but hey.. If something that takes so much effort and so inefficient as result, would you consider abandon the idea and use something else instead? :) Because it is straightly against the philosophy of NB: be fast and explicit. And you seem to be in favor of implicitness. Well, nevertheless, it is a honorable goal, so good luck :) > 2015-07-13 19:24 GMT+02:00 Igor Stasenko <siguctua(a)gmail.com>: > >> >> >> On 10 July 2015 at 10:18, Matthieu Lacaton <matthieu.lacaton(a)gmail.com> >> wrote: >> >>> Hello, >>> >>> Is it possible with NativeBoost to create a binding for a variadic >>> function ? >>> >>> I've seen the printf example in NBCPrinter but this implementation is >>> kind of cheating since it always pass just a %s as format and one already >>> formatted string to the C function. >>> >>> I've written a simple variadic function which adds every integer it >>> receives as argument (first argument is for the number of following >>> arguments) : >>> >>> int add(int number,...); >>> >>> In Pharo I've tried something like this : >>> >>> *add: *number *arg1: *first *arg2: *second >>>> <primitive: #primitiveNativeCall module: #NativeBoostPlugin> >>>> >>>> ^ self nbCall: #( int add (int number, int first, int second)) >>>> module: 'libMyLib.so' >>>> >>> >>> and it works fine with two arguments. >>> >>> Basically, doing so, I would need one method per number of arguments so >>> it's not very cool. >>> >>> I thought that maybe I could pass an array as argument to my Pharo >>> method but I didn't really find a way to figure out how to define the >>> nbCall without having a "Generic failure". >>> >>> *add: *number *args: *anArray >>>> <primitive: #primitiveNativeCall module: #NativeBoostPlugin> >>>> >>>> ^ self nbCall: #( int add (int number, ??? anArray)) >>>> module: 'libMyLib.so' >>>> >>> >>> Do you have an idea ? >>> >>> >> In short, there's no marshaller for converting an array of items, to same >> number of things on stack. That could solve the problem with your example: >> passing array of objects of *same* type. But in general, it is not what C >> variadic function(s) standing for. Because they stand for any number of >> arguments, of any type. >> In C, since all program is compiled statically, compiler knows the number >> of passed arguments and their types through compiling each particular call >> site(s) to variadic function. Which means that in fact, you are still >> supplying all information needed by compiler *before* run time. >> >> In variadic functions, you can pass any arguments of any type, >> but for converting each of them, you must tell NB what kind of >> marshaller should be used for it , which means, that it is impossible to >> know before run time, since you cannot know how many arguments you may >> pass, not speaking about their types. >> >> >> >> >>> Thanks, >>> >>> Matthieu >>> >>> >>> >> >> >> -- >> Best regards, >> Igor Stasenko. >> > > -- Best regards, Igor Stasenko.

July 16, 2015

Re: [Pharo-users] NativeBoost and variadic functions

by Igor Stasenko

On 15 July 2015 at 16:35, Ben Coman <btc(a)openinworld.com> wrote: > On Wed, Jul 15, 2015 at 5:16 PM, Matthieu Lacaton > <matthieu.lacaton(a)gmail.com> wrote: > > Hello Igor, > > > > Thanks for your answer. > > > > I implemented something like that for the printf function: > > Basically, it generates a method with matching arguments and executes it. > > > >> printf: stringFormat args: tab > >> > >> | argNumber functionArgs functionPrototype methodCorpse > methodSelector > >> argsArray | > >> > >> ((tab size % 2) = 0) ifFalse: [ > >> Transcript show: 'error'. > >> ^self. > >> ]. > >> > >> argNumber := 0. > >> functionPrototype := 'printf: stringFormat'. > >> functionArgs := ''. > >> methodCorpse := ''. > >> argsArray := (Array new: (tab size / 2) + 1). > >> argsArray at: 1 put: stringFormat. > >> > >> 1 to: tab size by: 2 do: [ :i | > >> functionPrototype := functionPrototype, ' arg', argNumber > >> asString, ': ', (tab at: i) asString, argNumber asString. > >> functionArgs := functionArgs, ' ', (tab at: i) asString, ' ', > (tab > >> at: i) asString, argNumber asString, ','. > >> argsArray at: argNumber + 2 put: (tab at: i + 1). > >> argNumber := argNumber + 1. > >> ]. > >> functionArgs := functionArgs allButLast. > >> > >> methodCorpse := functionPrototype, Character cr asString, ' > >> <primitive: #primitiveNativeCall module: #NativeBoostPlugin>', > Character cr > >> asString, Character cr asString, ' ^self nbCall: #( void printf ( > String > >> stringFormat,', functionArgs asString, ' ) )', Character cr asString, ' > >> module: NativeBoost CLibrary'. > >> > >> methodSelector := self class compile: methodCorpse. > >> > >> self perform: methodSelector withArguments: argsArray. > > > > > > > > Then you can call it like that : > > > > MyClass printf: 'Test of printf. String: %s, Int : %d, Long: %ld, Char: > %c, > > Double: %lf' args: { 'String'. 'This is a string'. 'int'. 100. 'long'. > > 10000000. 'char'. 89. 'double'. 3.14159 }. > > > > > > I also tried it for some other variadic functions and, on my computer (I > am > > running archlinux), it seemed to work for every type of argument except > > "float". > > > Maybe NativeBoost does not do implicit type conversions that a C > compiler would do? > It does not. But that's not an issue. The philosophy behind NB was to require from user explicit information about what types to use and how. The main reason behind that, is that the more explicit and detailed information you got at compilation time (in case of NB - code generation) , the more simple and efficient generated code will be. In general, you don't want to generate trains of machine code to handle 1000+ of cases for converting a single argument (and then repeat the same for next function argument). It makes things slow and inefficient, not speaking that generated code also takes memory space. I don't want to make code generation too smart, and this is why i trying to avoid any implicitness: because else it makes users wonder why something works and something don't and he have no idea, because of tons and tons of contradicting implicit rules hidden behind the scenes. And let me remind you that despite that NB implements FFI to speak with C, it is not obliged to implement features of C language itself. It lets you speak with C programs, but not lets you write programs like in C (see the difference? :) [1] "Because C will promote floats to doubles for functions that take > variable arguments" > > More info search [2] for: > * "implicit type conversion" > * "guess wrongly when the program uses floating-point formats in > scanf() or printf()" > > [1] > http://stackoverflow.com/questions/210590/why-does-scanf-need-lf-for-double… > > [2] http://www.electroons.com/8051/ebooks/expert%20C%20programming.pdf > > cheers -ben > > > > It works fine for "double" though. > > For "char" you need to pass the integer ASCII value directly for it to > work. > > I tried with "Character value: xxx" but it didn't work. > > > > I know that this is very hackish and very bad, and I am aware it has some > > drawbacks. Moreover I am not even sure it will work everytime. > > But for now it seems to work ... > > > > 2015-07-13 19:24 GMT+02:00 Igor Stasenko <siguctua(a)gmail.com>: > >> > >> > >> > >> On 10 July 2015 at 10:18, Matthieu Lacaton <matthieu.lacaton(a)gmail.com> > >> wrote: > >>> > >>> Hello, > >>> > >>> Is it possible with NativeBoost to create a binding for a variadic > >>> function ? > >>> > >>> I've seen the printf example in NBCPrinter but this implementation is > >>> kind of cheating since it always pass just a %s as format and one > already > >>> formatted string to the C function. > >>> > >>> I've written a simple variadic function which adds every integer it > >>> receives as argument (first argument is for the number of following > >>> arguments) : > >>> > >>> int add(int number,...); > >>> > >>> In Pharo I've tried something like this : > >>> > >>>> add: number arg1: first arg2: second > >>>> <primitive: #primitiveNativeCall module: #NativeBoostPlugin> > >>>> > >>>> ^ self nbCall: #( int add (int number, int first, int second)) > >>>> module: 'libMyLib.so' > >>> > >>> > >>> and it works fine with two arguments. > >>> > >>> Basically, doing so, I would need one method per number of arguments so > >>> it's not very cool. > >>> > >>> I thought that maybe I could pass an array as argument to my Pharo > method > >>> but I didn't really find a way to figure out how to define the nbCall > >>> without having a "Generic failure". > >>> > >>>> add: number args: anArray > >>>> <primitive: #primitiveNativeCall module: #NativeBoostPlugin> > >>>> > >>>> ^ self nbCall: #( int add (int number, ??? anArray)) > >>>> module: 'libMyLib.so' > >>> > >>> > >>> Do you have an idea ? > >>> > >> > >> In short, there's no marshaller for converting an array of items, to > same > >> number of things on stack. That could solve the problem with your > example: > >> passing array of objects of *same* type. But in general, it is not what > C > >> variadic function(s) standing for. Because they stand for any number of > >> arguments, of any type. > >> In C, since all program is compiled statically, compiler knows the > number > >> of passed arguments and their types through compiling each particular > call > >> site(s) to variadic function. Which means that in fact, you are still > >> supplying all information needed by compiler *before* run time. > >> > >> In variadic functions, you can pass any arguments of any type, > >> but for converting each of them, you must tell NB what kind of > marshaller > >> should be used for it , which means, that it is impossible to know > before > >> run time, since you cannot know how many arguments you may pass, not > >> speaking about their types. > >> > >> > >> > >>> > >>> Thanks, > >>> > >>> Matthieu > >>> > >>> > >> > >> > >> > >> -- > >> Best regards, > >> Igor Stasenko. > > > > > > -- Best regards, Igor Stasenko.

July 16, 2015

Re: [Pharo-users] Pharo Success story - MultiCity

by phil＠highoctane.be

Le 16 juil. 2015 15:07, "Norbert Hartl" <norbert(a)hartl.name> a Ã©crit : > > >> Am 16.07.2015 um 12:59 schrieb phil(a)highoctane.be: >> >> One question about Mongo. >> >> How do you handle HA (High Availability) in Pharo? >> > I don't. > >> The current driver (MongoTalk) connects to one single mongod. >> >> I haven't seen any support for replicasets and identifying who is the mongod to write to in MongoTalk (this support is built in any Python, Ruby, ... driver they do provide, including sharding support and GridFS). >> > As far as I know there is no support for all of these. It would be really good to have them. But if nobody contributes it may be not needed after all. Working - slowly - on it. > >> Also, I've been experiencing a couple of protocol errors when working with mongod under some scenarios (unrecognized command coming back in the wire protocol). Looks like MongoTalk and mongod were out of sync on the wire protocol. >> > You need to be careful because the mongo connection is a single stream aligned request by request. If another thread writes on the stream at the same time you will experience what you call "out of sync". Not such issue in the current code AFAIK but will look closer. > > Norbert > >> Thanks and kudos for one more nice application! >> >> Phil >> >> >> On Thu, Jul 16, 2015 at 12:36 PM, Norbert Hartl <norbert(a)hartl.name> wrote: >>> >>> Hi Torsten, >>> >>> > Am 15.07.2015 um 22:51 schrieb Torsten Bergmann <astares(a)gmx.de>: >>> > >>> > Another story from 2Denker is up: http://pharo.org/success/MultiCity >>> > >>> > Client seems to be done using Amber when I check the login page which was >>> > styled with Bootstrap. Server in Pharo with Nginx. I guess you use Mongo as >>> > DB (with Voyage or without). >>> > >>> > @Norbert/@Marcus: if possible can you share with us a few more technical details about >>> > the technologies/stack used. Also about size (LOC, users, nr of images) >>> > and pitfalls ... >>> > >>> > There is always something one can learn from the experience of others. >>> >>> sure I can give some insight in the project. >>> >>> For the admin client we use amber plus bootstrap. The backend for this is a pharo image with voyage. As you can see in the screenshot there is a geo location entered. That can be searched afterwards because mongo provides geo spatial indexes. >>> >>> The project is built upon a service we provide at 2denker. The service is a registry for app installations, users and message tokens. We provide libraries for ios, android and windows mobile that registers the app, assigns a user, requests a message token from the user and stores it. The service is used for notifying the user at return of the car. You then get a notification containing the time and price of your car rental. >>> >>> The architecture of our infrastructure is event based. Meaning that e.g. the installation registration service sends events to a central event bus like image. This stores the events in elasticsearch and provides the ability to register for events. >>> >>> What we had to do for this project? We've built an image that on the one hand serves the request of the client admin interface. On the other hand it registers at the event server for a certain kind of event. This event is triggered by the car return and piggybacks the geo location where the car has been left. When such an event travels through our system the event server sees a match and calls the image. The image extracts the geo information and searches the database for available advertisements. If one is found and conditions are met an additional message is sent. >>> >>> That's roughly it. In the whole process there are 8 pharo images involved but 2 are for redundancy so it is 6 different images. The rest is a mongo database and an elasticsearch database. If you want to know anything more don't hesitate to ask. >>> >>> Norbert >>> >>> >>> >> >

July 16, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Hilaire

Le 16/07/2015 23:54, Thierry Goubier a Ã©crit : > Hum, do you mean we should cache the cairo surface (or the cairo > paint, I remember that code was a bit strange)? > Yes, but now looking at the code it looks like surface is cached with the tile as id: paint := athensCanvas cacheAt: aTile ifAbsentPut: [ aTile asAthensPaintOn: athensCanvas ]. but I am not sure at all > Anybody knowledgeable with Athens and Cairo knows of any pitfalls of > doing so? Red square of death when restarting the image? Is there any > caching already done in Athens (fonts I guess)? > -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 16, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Thierry Goubier

2015-07-16 17:44 GMT+02:00 Hilaire <hilaire(a)drgeo.eu>: > Le 16/07/2015 16:53, Thierry Goubier a Ã©crit : > > More, RTOSM now will do a file-based cache of the tiles, so, if you > > prepare the demo beforehand, then your Pharo will have preloaded the > > tiles and will not tap into the tile servers. > > > > We still have unexpected latency issues, but I haven't added a time > > trace analysis to the Jejak tracer. It's on my todo list. > > > I join a message tally on the TROSMShape>drawOn: > It seems to me the cached tiles are not on the right format, there are > as Form and each times a tile is painted it is first converted to a > Cairo surface. > Hum, do you mean we should cache the cairo surface (or the cairo paint, I remember that code was a bit strange)? Anybody knowledgeable with Athens and Cairo knows of any pitfalls of doing so? Red square of death when restarting the image? Is there any caching already done in Athens (fonts I guess)? Thanks, Thierry > > Hilaire > > > -- > Dr. Geo > http://drgeo.eu > http://google.com/+DrgeoEu > >

July 16, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Hilaire

Le 16/07/2015 16:53, Thierry Goubier a Ã©crit : > More, RTOSM now will do a file-based cache of the tiles, so, if you > prepare the demo beforehand, then your Pharo will have preloaded the > tiles and will not tap into the tile servers. > > We still have unexpected latency issues, but I haven't added a time > trace analysis to the Jejak tracer. It's on my todo list. > I join a message tally on the TROSMShape>drawOn: It seems to me the cached tiles are not on the right format, there are as Form and each times a tile is painted it is first converted to a Cairo surface. Hilaire -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 16, 2015

Re: [Pharo-users] Download only metainfo about mcz when selected

by Thierry Goubier

Hi Jan, It is not possible with the mcz format, because you have to open the zip file to recover the metadata. Given the formats used, to just read the last commit message, you will read the entire history instead of just the last one. Thierry 2015-07-16 15:09 GMT+02:00 Jan BlizniÄenko <bliznjan(a)fit.cvut.cz>: > Hello > > Lots of times I want to take a quick look at what is new in external > packages I use, therefore I open repository in monticello, click at mcz and > look at commit note. However, most of the times I want just to look at it, > the commit time, author and note, not load whole mcz with its content. > > I would like to ask whether it is possible to change way of loading mcz in > way that it would download only these metaatributes of mcz when browsing > them (when I select mcz in list of all mcz of package) and download whole > mcz only when I do load/change/merge etc. > > Jan > > > > -- > View this message in context: > http://forum.world.st/Download-only-metainfo-about-mcz-when-selected-tp4837… > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. > >

July 16, 2015

[ANN] GT presentations now available as a Spec widget

by Johan Fabry

Hi all, thanks to help from the GT guys Andrei and Alexei here at ESUG15 I am now happy to announce that Spec can now play together nicely with GT presentations :-) Concretely: I have implemented a new Spec ComposableModel called GlamourPresentationModel that acts as a small wrapper around any presentation of Glamour (i.e. any subclass of GLMPresentation). With this, you can use as a widget in your Spec UI such cool things like - The GT Inspector - The Playground - The Browser GlamourPresentationModel is a very small class that is easy to use, with just one API method for its configuration. By default it opens a Playground, but you can configure it to open any GLMPresentation subclass. Here are 2 examples: "open a playground" GlamourPresentationModel new openWithSpec. "open an inspector on 42" |ui| ui := GlamourPresentationModel new. ui presentationClass: GTInspector startOn: 42. ui openWithSpec The GlamourPresentationModel is currently in my Playground repository on Smalltalkhub. ( http://smalltalkhub.com/#!/~jfabry/Playground/packages/Spec-Glamour ) There is also an example UI called GlamourPMExample that shows how to use it. I tried it with Pharo 4 but not yet with Pharo 5. I will push on its integration in Pharo 5 in a few months. Please use it and tell me how it works out for you! ---> Save our in-boxes! http://emailcharter.org <--- Johan Fabry - http://pleiad.cl/~jfabry PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile

July 16, 2015

Re: [Pharo-users] Pharo Success story - MultiCity

by Norbert Hartl

> Am 16.07.2015 um 12:36 schrieb Norbert Hartl <norbert(a)hartl.name>: > > That's roughly it. In the whole process there are 8 pharo images involved but 2 are for redundancy so it is 6 different images. To clarify on that. There are two images load balanced for the registry services. Two load balanced for the event stuff. Each one for sending apple push notifications, google cloud messages and windows messages. And there is a single image for this project. Norbert

July 16, 2015

Download only metainfo about mcz when selected

by Jan BlizniÄenko

Hello Lots of times I want to take a quick look at what is new in external packages I use, therefore I open repository in monticello, click at mcz and look at commit note. However, most of the times I want just to look at it, the commit time, author and note, not load whole mcz with its content. I would like to ask whether it is possible to change way of loading mcz in way that it would download only these metaatributes of mcz when browsing them (when I select mcz in list of all mcz of package) and download whole mcz only when I do load/change/merge etc. Jan -- View this message in context: http://forum.world.st/Download-only-metainfo-about-mcz-when-selected-tp4837… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

July 16, 2015

Re: [Pharo-users] Pharo Success story - MultiCity

by Norbert Hartl

> Am 16.07.2015 um 12:59 schrieb phil(a)highoctane.be: > > One question about Mongo. > > How do you handle HA (High Availability) in Pharo? > I don't. > The current driver (MongoTalk) connects to one single mongod. > > I haven't seen any support for replicasets and identifying who is the mongod to write to in MongoTalk (this support is built in any Python, Ruby, ... driver they do provide, including sharding support and GridFS). > As far as I know there is no support for all of these. It would be really good to have them. But if nobody contributes it may be not needed after all. > Also, I've been experiencing a couple of protocol errors when working with mongod under some scenarios (unrecognized command coming back in the wire protocol). Looks like MongoTalk and mongod were out of sync on the wire protocol. > You need to be careful because the mongo connection is a single stream aligned request by request. If another thread writes on the stream at the same time you will experience what you call "out of sync". Norbert > Thanks and kudos for one more nice application! > > Phil > > > On Thu, Jul 16, 2015 at 12:36 PM, Norbert Hartl <norbert(a)hartl.name <mailto:norbert@hartl.name>> wrote: > Hi Torsten, > > > Am 15.07.2015 um 22:51 schrieb Torsten Bergmann <astares(a)gmx.de <mailto:astares@gmx.de>>: > > > > Another story from 2Denker is up: http://pharo.org/success/MultiCity <http://pharo.org/success/MultiCity> > > > > Client seems to be done using Amber when I check the login page which was > > styled with Bootstrap. Server in Pharo with Nginx. I guess you use Mongo as > > DB (with Voyage or without). > > > > @Norbert/@Marcus: if possible can you share with us a few more technical details about > > the technologies/stack used. Also about size (LOC, users, nr of images) > > and pitfalls ... > > > > There is always something one can learn from the experience of others. > > sure I can give some insight in the project. > > For the admin client we use amber plus bootstrap. The backend for this is a pharo image with voyage. As you can see in the screenshot there is a geo location entered. That can be searched afterwards because mongo provides geo spatial indexes. > > The project is built upon a service we provide at 2denker. The service is a registry for app installations, users and message tokens. We provide libraries for ios, android and windows mobile that registers the app, assigns a user, requests a message token from the user and stores it. The service is used for notifying the user at return of the car. You then get a notification containing the time and price of your car rental. > > The architecture of our infrastructure is event based. Meaning that e.g. the installation registration service sends events to a central event bus like image. This stores the events in elasticsearch and provides the ability to register for events. > > What we had to do for this project? We've built an image that on the one hand serves the request of the client admin interface. On the other hand it registers at the event server for a certain kind of event. This event is triggered by the car return and piggybacks the geo location where the car has been left. When such an event travels through our system the event server sees a match and calls the image. The image extracts the geo information and searches the database for available advertisements. If one is found and conditions are met an additional message is sent. > > That's roughly it. In the whole process there are 8 pharo images involved but 2 are for redundancy so it is 6 different images. The rest is a mongo database and an elasticsearch database. If you want to know anything more don't hesitate to ask. > > Norbert > > > >

July 16, 2015

Re: [Pharo-users] PharoJS

by Noury Bouraqadi

> On 15 Jul 2015, at 15:37, Andy Burnett <andy.burnett(a)knowinnovation.com> wrote: > > One question. When I execute 1+1 on the Pharo (pink) playground, I see the code appearing in the web browser log, but it doesn't appear to execute. Is it supposed to, or at this stage is it just showing that it made it over to the web browser? > It does actually execute on the browser, but 1+1 has no side effect :-). You can try to call native javascript object to see stuff changing. For example, you can evaluate the following> console native_log: 'Hello from Smalltalk'. "Displays the string in the console of the browser" window native_alert: 'This is cool'. "Opens an alert window on the browser" Note: You need to load version 51 (just pushed it to SmalltalkHub) that fixes a bug in the PharoJS workspace. Noury

July 16, 2015

Re: [Pharo-users] Pharo Success story - MultiCity

by phil＠highoctane.be

One question about Mongo. How do you handle HA (High Availability) in Pharo? The current driver (MongoTalk) connects to one single mongod. I haven't seen any support for replicasets and identifying who is the mongod to write to in MongoTalk (this support is built in any Python, Ruby, ... driver they do provide, including sharding support and GridFS). Also, I've been experiencing a couple of protocol errors when working with mongod under some scenarios (unrecognized command coming back in the wire protocol). Looks like MongoTalk and mongod were out of sync on the wire protocol. Thanks and kudos for one more nice application! Phil On Thu, Jul 16, 2015 at 12:36 PM, Norbert Hartl <norbert(a)hartl.name> wrote: > Hi Torsten, > > > Am 15.07.2015 um 22:51 schrieb Torsten Bergmann <astares(a)gmx.de>: > > > > Another story from 2Denker is up: http://pharo.org/success/MultiCity > > > > Client seems to be done using Amber when I check the login page which was > > styled with Bootstrap. Server in Pharo with Nginx. I guess you use Mongo > as > > DB (with Voyage or without). > > > > @Norbert/@Marcus: if possible can you share with us a few more technical > details about > > the technologies/stack used. Also about size (LOC, users, nr of images) > > and pitfalls ... > > > > There is always something one can learn from the experience of others. > > sure I can give some insight in the project. > > For the admin client we use amber plus bootstrap. The backend for this is > a pharo image with voyage. As you can see in the screenshot there is a geo > location entered. That can be searched afterwards because mongo provides > geo spatial indexes. > > The project is built upon a service we provide at 2denker. The service is > a registry for app installations, users and message tokens. We provide > libraries for ios, android and windows mobile that registers the app, > assigns a user, requests a message token from the user and stores it. The > service is used for notifying the user at return of the car. You then get a > notification containing the time and price of your car rental. > > The architecture of our infrastructure is event based. Meaning that e.g. > the installation registration service sends events to a central event bus > like image. This stores the events in elasticsearch and provides the > ability to register for events. > > What we had to do for this project? We've built an image that on the one > hand serves the request of the client admin interface. On the other hand it > registers at the event server for a certain kind of event. This event is > triggered by the car return and piggybacks the geo location where the car > has been left. When such an event travels through our system the event > server sees a match and calls the image. The image extracts the geo > information and searches the database for available advertisements. If one > is found and conditions are met an additional message is sent. > > That's roughly it. In the whole process there are 8 pharo images involved > but 2 are for redundancy so it is 6 different images. The rest is a mongo > database and an elasticsearch database. If you want to know anything more > don't hesitate to ask. > > Norbert > > > >

July 16, 2015

Re: [Pharo-users] Pharo Success story - MultiCity

by Norbert Hartl

Hi Torsten, > Am 15.07.2015 um 22:51 schrieb Torsten Bergmann <astares(a)gmx.de>: > > Another story from 2Denker is up: http://pharo.org/success/MultiCity > > Client seems to be done using Amber when I check the login page which was > styled with Bootstrap. Server in Pharo with Nginx. I guess you use Mongo as > DB (with Voyage or without). > > @Norbert/@Marcus: if possible can you share with us a few more technical details about > the technologies/stack used. Also about size (LOC, users, nr of images) > and pitfalls ... > > There is always something one can learn from the experience of others. sure I can give some insight in the project. For the admin client we use amber plus bootstrap. The backend for this is a pharo image with voyage. As you can see in the screenshot there is a geo location entered. That can be searched afterwards because mongo provides geo spatial indexes. The project is built upon a service we provide at 2denker. The service is a registry for app installations, users and message tokens. We provide libraries for ios, android and windows mobile that registers the app, assigns a user, requests a message token from the user and stores it. The service is used for notifying the user at return of the car. You then get a notification containing the time and price of your car rental. The architecture of our infrastructure is event based. Meaning that e.g. the installation registration service sends events to a central event bus like image. This stores the events in elasticsearch and provides the ability to register for events. What we had to do for this project? We've built an image that on the one hand serves the request of the client admin interface. On the other hand it registers at the event server for a certain kind of event. This event is triggered by the car return and piggybacks the geo location where the car has been left. When such an event travels through our system the event server sees a match and calls the image. The image extracts the geo information and searches the database for available advertisements. If one is found and conditions are met an additional message is sent. That's roughly it. In the whole process there are 8 pharo images involved but 2 are for redundancy so it is 6 different images. The rest is a mongo database and an elasticsearch database. If you want to know anything more don't hesitate to ask. Norbert

July 16, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Sven Van Caekenberghe

> On 16 Jul 2015, at 11:04, Thierry Goubier <thierry.goubier(a)gmail.com> wrote: > > > > 2015-07-16 10:52 GMT+02:00 Alexandre Bergel <alexandre.bergel(a)me.com>: > Hi! > > The OpenStreetMap support in Roassal works pretty wellâ¦ The easiest way to start is probably take the latest version of Moose. Open the example browser and look for OpenStreetMap Integration. > > Thierry, although pretty cool, I have the impression the integration could be better. Here is a wish list: > - Tile caching > > This one is working! Ok, with latency issues, but we don't know where they are (with Sven, we suspected they were not in the caching code). Yes, there was an issue that seemed to be in the general Pharo drawing, not the tile accessing/caching, but we could not find it. We ended with the conclusion: Alex has to take a look ;-) > - Predictive zoom level. E.g., If I click twice on the zoomin button, it is likely that I will click a third time. So preloading the needed tile would be good > > Sure. There is also the idea of preloading around the current view so that you can drag left or right without delay. But at one point, you look at the code complexity and you say... hum, is that really worth it? I agree, it looks like a good idea, but it probably isn't: you would be loading way too much. > Again Thierry and Onil, thanks for this working piece of work. This is fantastic! > > The only true weakness we have is to have to go javascript to use it as a web interface :( > > Thierry > > > Cheers, > Alexandre > > > On Jul 16, 2015, at 7:51 AM, Thierry Goubier <thierry.goubier(a)gmail.com> wrote: > > > > Le 16/07/2015 03:59, Hilaire a Ã©crit : > >> Hi Thierry, > >> > >> This is what I did, I pick up latest Moose, and play a bit. It is nice > >> indeed. > >> > >> A few remarks > >> - loading the tiles is slow, does it comes from me? I am right on the > >> local tile server in Hsinchu.. I am not sure the right tile server is > >> used. a.tile.openstreetmap.org > > > > Do you need a dedicated tile server or the generic ones? We had an issue trying to accelerate tile loading when improving that part during PharoDays. > > > > I'll have a look at Moose to see which version of Roassal you are dealing with. > > > >> - the graphic quality is not optimal, blurred > > > > RTOSM interpolates between tiles zoom levels to gives you more freedom when zooming; this may comes with a slightly degraded image quality. Unless it is heavily blurred in which case it is something else. A screenshot? > > > >> - I have a hard time to find live programming (in fact I failed): trying > >> to get on an inspector was not obvious, then I don't know what I can do > >> to modify the model and its view > > > > This is more a Moose problem then. > > > >> - one RTOSM example fails because of fuel version > > > > There is a problem with the version of Roassal you are using. I remember correcting that a while ago. > > > >> - examples #exampleSeismOnEarthLive #exampleSeismOnEarthLiveZoom fail also. > > > > Yes, the links used to download the data (from the usgs if I remember correctly) have changed recently; there was a discussion on the mailing list not long ago (on pharo-dev or moose-dev); I don't know in which version of Roassal this was corrected. > > > > Thierry > > > >> > >> Thanks for the tips > >> > >> Hilaire > >> > >> Le 16/07/2015 02:28, Thierry Goubier a Ã©crit : > >>> Hi Hilaire, > >>> > >>> OSM tiles support was added to Roassal, and demonstrated in two videos > >>> [1][2]. The context of the work was presented at FOSDEM [3]. > >>> > >>> In the pillarhub document, I demonstrated how to query the raw OSM > >>> data; we made sure that the tile support and georeferenced data could > >>> go on the same level, and be precise to the pixel to the underlying > >>> tile rendering. > >>> > >>> I'm sure all this works in Pharo4, just try the RTOSM examples! There > >>> is probably a way to make it interactive with data downloading and a > >>> playground, using the sample code present in the pillarhub document. > >>> > >>> [2] is a bit different, it uses a sensor network design tool and > >>> simulateur which requires VisualWorks, Occam and/or a Cuda GPU :). But > >>> it makes for an interesting demo / talk if it is your field, just > >>> contact Onil. > >>> > >>> Thierry > >>> > >>> [1] https://www.youtube.com/watch?v=6zoGIsQaGUo > >>> [2] https://www.youtube.com/watch?v=sMB7DG-lbiU > >>> [3] https://archive.fosdem.org/2015/schedule/event/cirela/ > >>> > >>> > >>> Le 15/07/2015 19:16, Hilaire a Ã©crit : > >>>> Hi, > >>>> > >>>> In a few weeks I will give a speech in Taiwan at NCHC[1] about Pharo, my > >>>> intend is to present release 4. I already did speeches there in the past > >>>> about Pharo, but I have a hard time to raise interest to the point > >>>> people want to jump in. > >>>> But I hope to have an angle this time because NCHC recently offers a > >>>> server and the hosting for an openstreetmap tile server (the first in > >>>> Asia by the way), and there is high interest here in Taiwan about OSM > >>>> related stuff. > >>>> > >>>> I read here, job has been done with Roassal and OSM, but it is not clear > >>>> for me how to get in using OSM within Pharo. I am particularly > >>>> interested in providing an interactive demo where live programming shows > >>>> its value. > >>>> > >>>> I have found these pointers bellow. I am interested by any additional > >>>> tips and url, and particularly the compatibility with Pharo4. > >>>> > >>>> https://github.com/fstephany/OSMMaps > >>>> http://pillarhub.pharocloud.com/hub/ThierryGoubier/5y08m9uu71o8i7a35ijwr766p > >>>> > >>>> > >>>> > >>>> > >>>> Thanks > >>>> > >>>> Hilaire > >>>> > >>>> > >>>> [1] > >>>> https://en.wikipedia.org/wiki/National_Center_for_High-Performance_Computing > >>>> > >>>> > >>> > >>> > >>> > >> > >> > > > > > > -- > _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: > Alexandre Bergel http://www.bergel.eu > ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. > > > > >

July 16, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Stephan Eggermont

On 16-07-15 10:53, Thierry Goubier wrote: > More, RTOSM now will do a file-based cache of the tiles, so, if you > prepare the demo beforehand, then your Pharo will have preloaded the > tiles and will not tap into the tile servers. Thanks, that is a welcome improvement. Stephan

July 16, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Thierry Goubier

2015-07-16 10:52 GMT+02:00 Alexandre Bergel <alexandre.bergel(a)me.com>: > Hi! > > The OpenStreetMap support in Roassal works pretty wellâ¦ The easiest way to > start is probably take the latest version of Moose. Open the example > browser and look for OpenStreetMap Integration. > > Thierry, although pretty cool, I have the impression the integration could > be better. Here is a wish list: > - Tile caching > This one is working! Ok, with latency issues, but we don't know where they are (with Sven, we suspected they were not in the caching code). > - Predictive zoom level. E.g., If I click twice on the zoomin > button, it is likely that I will click a third time. So preloading the > needed tile would be good > Sure. There is also the idea of preloading around the current view so that you can drag left or right without delay. But at one point, you look at the code complexity and you say... hum, is that really worth it? > > Again Thierry and Onil, thanks for this working piece of work. This is > fantastic! > The only true weakness we have is to have to go javascript to use it as a web interface :( Thierry > > Cheers, > Alexandre > > > On Jul 16, 2015, at 7:51 AM, Thierry Goubier <thierry.goubier(a)gmail.com> > wrote: > > > > Le 16/07/2015 03:59, Hilaire a Ã©crit : > >> Hi Thierry, > >> > >> This is what I did, I pick up latest Moose, and play a bit. It is nice > >> indeed. > >> > >> A few remarks > >> - loading the tiles is slow, does it comes from me? I am right on the > >> local tile server in Hsinchu.. I am not sure the right tile server is > >> used. a.tile.openstreetmap.org > > > > Do you need a dedicated tile server or the generic ones? We had an issue > trying to accelerate tile loading when improving that part during PharoDays. > > > > I'll have a look at Moose to see which version of Roassal you are > dealing with. > > > >> - the graphic quality is not optimal, blurred > > > > RTOSM interpolates between tiles zoom levels to gives you more freedom > when zooming; this may comes with a slightly degraded image quality. Unless > it is heavily blurred in which case it is something else. A screenshot? > > > >> - I have a hard time to find live programming (in fact I failed): trying > >> to get on an inspector was not obvious, then I don't know what I can do > >> to modify the model and its view > > > > This is more a Moose problem then. > > > >> - one RTOSM example fails because of fuel version > > > > There is a problem with the version of Roassal you are using. I remember > correcting that a while ago. > > > >> - examples #exampleSeismOnEarthLive #exampleSeismOnEarthLiveZoom fail > also. > > > > Yes, the links used to download the data (from the usgs if I remember > correctly) have changed recently; there was a discussion on the mailing > list not long ago (on pharo-dev or moose-dev); I don't know in which > version of Roassal this was corrected. > > > > Thierry > > > >> > >> Thanks for the tips > >> > >> Hilaire > >> > >> Le 16/07/2015 02:28, Thierry Goubier a Ã©crit : > >>> Hi Hilaire, > >>> > >>> OSM tiles support was added to Roassal, and demonstrated in two videos > >>> [1][2]. The context of the work was presented at FOSDEM [3]. > >>> > >>> In the pillarhub document, I demonstrated how to query the raw OSM > >>> data; we made sure that the tile support and georeferenced data could > >>> go on the same level, and be precise to the pixel to the underlying > >>> tile rendering. > >>> > >>> I'm sure all this works in Pharo4, just try the RTOSM examples! There > >>> is probably a way to make it interactive with data downloading and a > >>> playground, using the sample code present in the pillarhub document. > >>> > >>> [2] is a bit different, it uses a sensor network design tool and > >>> simulateur which requires VisualWorks, Occam and/or a Cuda GPU :). But > >>> it makes for an interesting demo / talk if it is your field, just > >>> contact Onil. > >>> > >>> Thierry > >>> > >>> [1] https://www.youtube.com/watch?v=6zoGIsQaGUo > >>> [2] https://www.youtube.com/watch?v=sMB7DG-lbiU > >>> [3] https://archive.fosdem.org/2015/schedule/event/cirela/ > >>> > >>> > >>> Le 15/07/2015 19:16, Hilaire a Ã©crit : > >>>> Hi, > >>>> > >>>> In a few weeks I will give a speech in Taiwan at NCHC[1] about Pharo, > my > >>>> intend is to present release 4. I already did speeches there in the > past > >>>> about Pharo, but I have a hard time to raise interest to the point > >>>> people want to jump in. > >>>> But I hope to have an angle this time because NCHC recently offers a > >>>> server and the hosting for an openstreetmap tile server (the first in > >>>> Asia by the way), and there is high interest here in Taiwan about OSM > >>>> related stuff. > >>>> > >>>> I read here, job has been done with Roassal and OSM, but it is not > clear > >>>> for me how to get in using OSM within Pharo. I am particularly > >>>> interested in providing an interactive demo where live programming > shows > >>>> its value. > >>>> > >>>> I have found these pointers bellow. I am interested by any additional > >>>> tips and url, and particularly the compatibility with Pharo4. > >>>> > >>>> https://github.com/fstephany/OSMMaps > >>>> > http://pillarhub.pharocloud.com/hub/ThierryGoubier/5y08m9uu71o8i7a35ijwr766p > >>>> > >>>> > >>>> > >>>> > >>>> Thanks > >>>> > >>>> Hilaire > >>>> > >>>> > >>>> [1] > >>>> > https://en.wikipedia.org/wiki/National_Center_for_High-Performance_Computing > >>>> > >>>> > >>> > >>> > >>> > >> > >> > > > > > > -- > _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: > Alexandre Bergel http://www.bergel.eu > ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. > > > > >

July 16, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Thierry Goubier

2015-07-16 9:50 GMT+02:00 Hilaire <hilaire(a)drgeo.eu>: > Le 16/07/2015 13:51, Thierry Goubier a Ã©crit : > > > > Do you need a dedicated tile server or the generic ones? We had an > > issue trying to accelerate tile loading when improving that part > > during PharoDays. > > I am wondering if the used server is the geographically closest one. > No. We did a very basic query system on one of the overall tile servers at the beginning. Sven improved that a lot by restricting the number of concurrent requests for tiles and load balancing among servers (a, b, c). Given how the system is written, I suspect that if one of the tile servers is faster, it will get more requests. More, RTOSM now will do a file-based cache of the tiles, so, if you prepare the demo beforehand, then your Pharo will have preloaded the tiles and will not tap into the tile servers. We still have unexpected latency issues, but I haven't added a time trace analysis to the Jejak tracer. It's on my todo list. Thierry > > Hilaire > > -- > Dr. Geo > http://drgeo.eu > http://google.com/+DrgeoEu > > > >

July 16, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Alexandre Bergel

Hi! The OpenStreetMap support in Roassal works pretty wellâ¦ The easiest way to start is probably take the latest version of Moose. Open the example browser and look for OpenStreetMap Integration. Thierry, although pretty cool, I have the impression the integration could be better. Here is a wish list: - Tile caching - Predictive zoom level. E.g., If I click twice on the zoomin button, it is likely that I will click a third time. So preloading the needed tile would be good Again Thierry and Onil, thanks for this working piece of work. This is fantastic! Cheers, Alexandre > On Jul 16, 2015, at 7:51 AM, Thierry Goubier <thierry.goubier(a)gmail.com> wrote: > > Le 16/07/2015 03:59, Hilaire a Ã©crit : >> Hi Thierry, >> >> This is what I did, I pick up latest Moose, and play a bit. It is nice >> indeed. >> >> A few remarks >> - loading the tiles is slow, does it comes from me? I am right on the >> local tile server in Hsinchu.. I am not sure the right tile server is >> used. a.tile.openstreetmap.org > > Do you need a dedicated tile server or the generic ones? We had an issue trying to accelerate tile loading when improving that part during PharoDays. > > I'll have a look at Moose to see which version of Roassal you are dealing with. > >> - the graphic quality is not optimal, blurred > > RTOSM interpolates between tiles zoom levels to gives you more freedom when zooming; this may comes with a slightly degraded image quality. Unless it is heavily blurred in which case it is something else. A screenshot? > >> - I have a hard time to find live programming (in fact I failed): trying >> to get on an inspector was not obvious, then I don't know what I can do >> to modify the model and its view > > This is more a Moose problem then. > >> - one RTOSM example fails because of fuel version > > There is a problem with the version of Roassal you are using. I remember correcting that a while ago. > >> - examples #exampleSeismOnEarthLive #exampleSeismOnEarthLiveZoom fail also. > > Yes, the links used to download the data (from the usgs if I remember correctly) have changed recently; there was a discussion on the mailing list not long ago (on pharo-dev or moose-dev); I don't know in which version of Roassal this was corrected. > > Thierry > >> >> Thanks for the tips >> >> Hilaire >> >> Le 16/07/2015 02:28, Thierry Goubier a Ã©crit : >>> Hi Hilaire, >>> >>> OSM tiles support was added to Roassal, and demonstrated in two videos >>> [1][2]. The context of the work was presented at FOSDEM [3]. >>> >>> In the pillarhub document, I demonstrated how to query the raw OSM >>> data; we made sure that the tile support and georeferenced data could >>> go on the same level, and be precise to the pixel to the underlying >>> tile rendering. >>> >>> I'm sure all this works in Pharo4, just try the RTOSM examples! There >>> is probably a way to make it interactive with data downloading and a >>> playground, using the sample code present in the pillarhub document. >>> >>> [2] is a bit different, it uses a sensor network design tool and >>> simulateur which requires VisualWorks, Occam and/or a Cuda GPU :). But >>> it makes for an interesting demo / talk if it is your field, just >>> contact Onil. >>> >>> Thierry >>> >>> [1] https://www.youtube.com/watch?v=6zoGIsQaGUo >>> [2] https://www.youtube.com/watch?v=sMB7DG-lbiU >>> [3] https://archive.fosdem.org/2015/schedule/event/cirela/ >>> >>> >>> Le 15/07/2015 19:16, Hilaire a Ã©crit : >>>> Hi, >>>> >>>> In a few weeks I will give a speech in Taiwan at NCHC[1] about Pharo, my >>>> intend is to present release 4. I already did speeches there in the past >>>> about Pharo, but I have a hard time to raise interest to the point >>>> people want to jump in. >>>> But I hope to have an angle this time because NCHC recently offers a >>>> server and the hosting for an openstreetmap tile server (the first in >>>> Asia by the way), and there is high interest here in Taiwan about OSM >>>> related stuff. >>>> >>>> I read here, job has been done with Roassal and OSM, but it is not clear >>>> for me how to get in using OSM within Pharo. I am particularly >>>> interested in providing an interactive demo where live programming shows >>>> its value. >>>> >>>> I have found these pointers bellow. I am interested by any additional >>>> tips and url, and particularly the compatibility with Pharo4. >>>> >>>> https://github.com/fstephany/OSMMaps >>>> http://pillarhub.pharocloud.com/hub/ThierryGoubier/5y08m9uu71o8i7a35ijwr766p >>>> >>>> >>>> >>>> >>>> Thanks >>>> >>>> Hilaire >>>> >>>> >>>> [1] >>>> https://en.wikipedia.org/wiki/National_Center_for_High-Performance_Computing >>>> >>>> >>> >>> >>> >> >> > > -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

July 16, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Hilaire

Le 16/07/2015 13:51, Thierry Goubier a Ã©crit : > > Do you need a dedicated tile server or the generic ones? We had an > issue trying to accelerate tile loading when improving that part > during PharoDays. I am wondering if the used server is the geographically closest one. Hilaire -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 16, 2015

Re: [Pharo-users] GL inspector, editing attribute

by Esteban Lorenzano

> On 16 Jul 2015, at 09:25, Nicolai Hess <nicolaihess(a)web.de> wrote: > > If you want to change an attribute of a "subelement" in the tree - this does not work. > only the attributes of the top/root node can be changed that way. > > As I understand the comments in this issue, this will not be changed. > 14584 <https://pharo.fogbugz.com/default.asp?14584> > GTInspector: explore only Actually, what Doru says is that it will not be changed in current implementation because they are working in a complete new implementation (based on Brick and some other stuff they want to include). Which means it will be tackled, but with next iteration of the tool :) â¦ and yes, I find too that Doru assumes everybody understand/knows they are working on a new tool, and then he does not provide enough informationâ¦ happens time to time :S Esteban > > > 2015-07-16 5:38 GMT+02:00 Hilaire <hilaire(a)drgeo.eu <mailto:hilaire@drgeo.eu>>: > Le 16/07/2015 03:53, Tudor Girba a Ã©crit : > > Could you describe what you do and perhaps add screeshots? > > > See screenshot. > > Btw, from the palyground, when I print a value and want to browse the > printed class, how can I do it? Selecting the class and Alt/Ctrl-b does > not work (capture2) > > Hilaire > > -- > Dr. Geo > http://drgeo.eu <http://drgeo.eu/> > http://google.com/+DrgeoEu <http://google.com/+DrgeoEu> > >

July 16, 2015

Re: [Pharo-users] GL inspector, editing attribute

by Sven Van Caekenberghe

> On 16 Jul 2015, at 05:38, Hilaire <hilaire(a)drgeo.eu> wrote: > > Btw, from the palyground, when I print a value and want to browse the > printed class, how can I do it? Selecting the class and Alt/Ctrl-b does > not work (capture2) Normally you should be able to do command-click on class and selector names, that works on Mac anyway. It was broken for a while in Pharo 5 but it seems to be fixed now. But if command-b fails too, then there might be another problem.

July 16, 2015

Re: [Pharo-users] GL inspector, editing attribute

by Nicolai Hess

If you want to change an attribute of a "subelement" in the tree - this does not work. only the attributes of the top/root node can be changed that way. As I understand the comments in this issue, this will not be changed. 14584 <https://pharo.fogbugz.com/default.asp?14584> GTInspector: explore only 2015-07-16 5:38 GMT+02:00 Hilaire <hilaire(a)drgeo.eu>: > Le 16/07/2015 03:53, Tudor Girba a Ã©crit : > > Could you describe what you do and perhaps add screeshots? > > > See screenshot. > > Btw, from the palyground, when I print a value and want to browse the > printed class, how can I do it? Selecting the class and Alt/Ctrl-b does > not work (capture2) > > Hilaire > > -- > Dr. Geo > http://drgeo.eu > http://google.com/+DrgeoEu > >

July 16, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Thierry Goubier

Le 16/07/2015 03:59, Hilaire a Ã©crit : > Hi Thierry, > > This is what I did, I pick up latest Moose, and play a bit. It is nice > indeed. > > A few remarks > - loading the tiles is slow, does it comes from me? I am right on the > local tile server in Hsinchu.. I am not sure the right tile server is > used. a.tile.openstreetmap.org Do you need a dedicated tile server or the generic ones? We had an issue trying to accelerate tile loading when improving that part during PharoDays. I'll have a look at Moose to see which version of Roassal you are dealing with. > - the graphic quality is not optimal, blurred RTOSM interpolates between tiles zoom levels to gives you more freedom when zooming; this may comes with a slightly degraded image quality. Unless it is heavily blurred in which case it is something else. A screenshot? > - I have a hard time to find live programming (in fact I failed): trying > to get on an inspector was not obvious, then I don't know what I can do > to modify the model and its view This is more a Moose problem then. > - one RTOSM example fails because of fuel version There is a problem with the version of Roassal you are using. I remember correcting that a while ago. > - examples #exampleSeismOnEarthLive #exampleSeismOnEarthLiveZoom fail also. Yes, the links used to download the data (from the usgs if I remember correctly) have changed recently; there was a discussion on the mailing list not long ago (on pharo-dev or moose-dev); I don't know in which version of Roassal this was corrected. Thierry > > Thanks for the tips > > Hilaire > > Le 16/07/2015 02:28, Thierry Goubier a Ã©crit : >> Hi Hilaire, >> >> OSM tiles support was added to Roassal, and demonstrated in two videos >> [1][2]. The context of the work was presented at FOSDEM [3]. >> >> In the pillarhub document, I demonstrated how to query the raw OSM >> data; we made sure that the tile support and georeferenced data could >> go on the same level, and be precise to the pixel to the underlying >> tile rendering. >> >> I'm sure all this works in Pharo4, just try the RTOSM examples! There >> is probably a way to make it interactive with data downloading and a >> playground, using the sample code present in the pillarhub document. >> >> [2] is a bit different, it uses a sensor network design tool and >> simulateur which requires VisualWorks, Occam and/or a Cuda GPU :). But >> it makes for an interesting demo / talk if it is your field, just >> contact Onil. >> >> Thierry >> >> [1] https://www.youtube.com/watch?v=6zoGIsQaGUo >> [2] https://www.youtube.com/watch?v=sMB7DG-lbiU >> [3] https://archive.fosdem.org/2015/schedule/event/cirela/ >> >> >> Le 15/07/2015 19:16, Hilaire a Ã©crit : >>> Hi, >>> >>> In a few weeks I will give a speech in Taiwan at NCHC[1] about Pharo, my >>> intend is to present release 4. I already did speeches there in the past >>> about Pharo, but I have a hard time to raise interest to the point >>> people want to jump in. >>> But I hope to have an angle this time because NCHC recently offers a >>> server and the hosting for an openstreetmap tile server (the first in >>> Asia by the way), and there is high interest here in Taiwan about OSM >>> related stuff. >>> >>> I read here, job has been done with Roassal and OSM, but it is not clear >>> for me how to get in using OSM within Pharo. I am particularly >>> interested in providing an interactive demo where live programming shows >>> its value. >>> >>> I have found these pointers bellow. I am interested by any additional >>> tips and url, and particularly the compatibility with Pharo4. >>> >>> https://github.com/fstephany/OSMMaps >>> http://pillarhub.pharocloud.com/hub/ThierryGoubier/5y08m9uu71o8i7a35ijwr766p >>> >>> >>> >>> >>> Thanks >>> >>> Hilaire >>> >>> >>> [1] >>> https://en.wikipedia.org/wiki/National_Center_for_High-Performance_Computing >>> >>> >> >> >> > >

July 16, 2015

Re: [Pharo-users] GL inspector, editing attribute

by Hilaire

Le 16/07/2015 03:53, Tudor Girba a Ã©crit : > Could you describe what you do and perhaps add screeshots? > See screenshot. Btw, from the palyground, when I print a value and want to browse the printed class, how can I do it? Selecting the class and Alt/Ctrl-b does not work (capture2) Hilaire -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 16, 2015

Re: [Pharo-users] GL inspector, editing attribute

by Hilaire

Sorry, I don't have Cmd key on my keyboard. Thanks Hilaire Le 16/07/2015 03:53, Tudor Girba a Ã©crit : > I guess you mean GT Inspector, right? > > In that case, both Enter and Cmd+s should work. > > Could you describe what you do and perhaps add screeshots? > > Cheers, > Doru > > > > On Wed, Jul 15, 2015 at 8:12 PM, Hilaire > <hilaire(a)drgeo.eu > <mailto:hilaire@drgeo.eu>> wrote: > > Hello, > > From a GL inspector, how am I supposed to change the value of an > attribute. When I double click on its value, I have a in place editor, > but changing and validating with Enter or Alt-s does not work. > > Thanks > > Hilaire > > -- > Dr. Geo > http://drgeo.eu > http://google.com/+DrgeoEu > > > > > > > -- > www.tudorgirba.com <http://www.tudorgirba.com> > > "Every thing has its own flow" -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 16, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Hilaire

Hi Thierry, This is what I did, I pick up latest Moose, and play a bit. It is nice indeed. A few remarks - loading the tiles is slow, does it comes from me? I am right on the local tile server in Hsinchu.. I am not sure the right tile server is used. a.tile.openstreetmap.org - the graphic quality is not optimal, blurred - I have a hard time to find live programming (in fact I failed): trying to get on an inspector was not obvious, then I don't know what I can do to modify the model and its view - one RTOSM example fails because of fuel version - examples #exampleSeismOnEarthLive #exampleSeismOnEarthLiveZoom fail also. Thanks for the tips Hilaire Le 16/07/2015 02:28, Thierry Goubier a Ã©crit : > Hi Hilaire, > > OSM tiles support was added to Roassal, and demonstrated in two videos > [1][2]. The context of the work was presented at FOSDEM [3]. > > In the pillarhub document, I demonstrated how to query the raw OSM > data; we made sure that the tile support and georeferenced data could > go on the same level, and be precise to the pixel to the underlying > tile rendering. > > I'm sure all this works in Pharo4, just try the RTOSM examples! There > is probably a way to make it interactive with data downloading and a > playground, using the sample code present in the pillarhub document. > > [2] is a bit different, it uses a sensor network design tool and > simulateur which requires VisualWorks, Occam and/or a Cuda GPU :). But > it makes for an interesting demo / talk if it is your field, just > contact Onil. > > Thierry > > [1] https://www.youtube.com/watch?v=6zoGIsQaGUo > [2] https://www.youtube.com/watch?v=sMB7DG-lbiU > [3] https://archive.fosdem.org/2015/schedule/event/cirela/ > > > Le 15/07/2015 19:16, Hilaire a Ã©crit : >> Hi, >> >> In a few weeks I will give a speech in Taiwan at NCHC[1] about Pharo, my >> intend is to present release 4. I already did speeches there in the past >> about Pharo, but I have a hard time to raise interest to the point >> people want to jump in. >> But I hope to have an angle this time because NCHC recently offers a >> server and the hosting for an openstreetmap tile server (the first in >> Asia by the way), and there is high interest here in Taiwan about OSM >> related stuff. >> >> I read here, job has been done with Roassal and OSM, but it is not clear >> for me how to get in using OSM within Pharo. I am particularly >> interested in providing an interactive demo where live programming shows >> its value. >> >> I have found these pointers bellow. I am interested by any additional >> tips and url, and particularly the compatibility with Pharo4. >> >> https://github.com/fstephany/OSMMaps >> http://pillarhub.pharocloud.com/hub/ThierryGoubier/5y08m9uu71o8i7a35ijwr766p >> >> >> >> >> Thanks >> >> Hilaire >> >> >> [1] >> https://en.wikipedia.org/wiki/National_Center_for_High-Performance_Computing >> >> > > > -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 16, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Stephan Eggermont

Easiest way to get started is to download a recent moose image and look at the roassal examples using OSM. From the FOSDEM demo we know that when you want to do a live demonstration you either have to be very sure you do not use a shared medium like wifi for the network, or that the tile data comes from a caching proxy on the demonstration machine. Stephan

July 15, 2015

Pharo Success story - MultiCity

by Torsten Bergmann

Another story from 2Denker is up: http://pharo.org/success/MultiCity Client seems to be done using Amber when I check the login page which was styled with Bootstrap. Server in Pharo with Nginx. I guess you use Mongo as DB (with Voyage or without). @Norbert/@Marcus: if possible can you share with us a few more technical details about the technologies/stack used. Also about size (LOC, users, nr of images) and pitfalls ... There is always something one can learn from the experience of others.

July 15, 2015

Re: [Pharo-users] GL inspector, editing attribute

by Tudor Girba

I guess you mean GT Inspector, right? In that case, both Enter and Cmd+s should work. Could you describe what you do and perhaps add screeshots? Cheers, Doru On Wed, Jul 15, 2015 at 8:12 PM, Hilaire <hilaire(a)drgeo.eu> wrote: > Hello, > > From a GL inspector, how am I supposed to change the value of an > attribute. When I double click on its value, I have a in place editor, > but changing and validating with Enter or Alt-s does not work. > > Thanks > > Hilaire > > -- > Dr. Geo > http://drgeo.eu > http://google.com/+DrgeoEu > > > > -- www.tudorgirba.com "Every thing has its own flow"

July 15, 2015

Re: [Pharo-users] Openstreetmap on Pharo

by Thierry Goubier

Hi Hilaire, OSM tiles support was added to Roassal, and demonstrated in two videos [1][2]. The context of the work was presented at FOSDEM [3]. In the pillarhub document, I demonstrated how to query the raw OSM data; we made sure that the tile support and georeferenced data could go on the same level, and be precise to the pixel to the underlying tile rendering. I'm sure all this works in Pharo4, just try the RTOSM examples! There is probably a way to make it interactive with data downloading and a playground, using the sample code present in the pillarhub document. [2] is a bit different, it uses a sensor network design tool and simulateur which requires VisualWorks, Occam and/or a Cuda GPU :). But it makes for an interesting demo / talk if it is your field, just contact Onil. Thierry [1] https://www.youtube.com/watch?v=6zoGIsQaGUo [2] https://www.youtube.com/watch?v=sMB7DG-lbiU [3] https://archive.fosdem.org/2015/schedule/event/cirela/ Le 15/07/2015 19:16, Hilaire a Ã©crit : > Hi, > > In a few weeks I will give a speech in Taiwan at NCHC[1] about Pharo, my > intend is to present release 4. I already did speeches there in the past > about Pharo, but I have a hard time to raise interest to the point > people want to jump in. > But I hope to have an angle this time because NCHC recently offers a > server and the hosting for an openstreetmap tile server (the first in > Asia by the way), and there is high interest here in Taiwan about OSM > related stuff. > > I read here, job has been done with Roassal and OSM, but it is not clear > for me how to get in using OSM within Pharo. I am particularly > interested in providing an interactive demo where live programming shows > its value. > > I have found these pointers bellow. I am interested by any additional > tips and url, and particularly the compatibility with Pharo4. > > https://github.com/fstephany/OSMMaps > http://pillarhub.pharocloud.com/hub/ThierryGoubier/5y08m9uu71o8i7a35ijwr766p > > > > Thanks > > Hilaire > > > [1] > https://en.wikipedia.org/wiki/National_Center_for_High-Performance_Computing >

July 15, 2015

GL inspector, editing attribute

by Hilaire

Hello, >From a GL inspector, how am I supposed to change the value of an attribute. When I double click on its value, I have a in place editor, but changing and validating with Enter or Alt-s does not work. Thanks Hilaire -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 15, 2015

Openstreetmap on Pharo

by Hilaire

Hi, In a few weeks I will give a speech in Taiwan at NCHC[1] about Pharo, my intend is to present release 4. I already did speeches there in the past about Pharo, but I have a hard time to raise interest to the point people want to jump in. But I hope to have an angle this time because NCHC recently offers a server and the hosting for an openstreetmap tile server (the first in Asia by the way), and there is high interest here in Taiwan about OSM related stuff. I read here, job has been done with Roassal and OSM, but it is not clear for me how to get in using OSM within Pharo. I am particularly interested in providing an interactive demo where live programming shows its value. I have found these pointers bellow. I am interested by any additional tips and url, and particularly the compatibility with Pharo4. https://github.com/fstephany/OSMMaps http://pillarhub.pharocloud.com/hub/ThierryGoubier/5y08m9uu71o8i7a35ijwr766p Thanks Hilaire [1] https://en.wikipedia.org/wiki/National_Center_for_High-Performance_Computing -- Dr. Geo http://drgeo.eu http://google.com/+DrgeoEu

July 15, 2015

Re: [Pharo-users] Fwd: Phratch: System/World Menu instead of phratch menu

by jannik laval

Hi Offray, Could you reproduce the bug ? Or when does it appear ? Best regards, Jannik 2015-07-15 17:39 GMT+02:00 Offray Vladimir Luna CÃ¡rdenas <offray(a)riseup.net> : > He he, sorry sending from the wrong mail address, here comes again. > > > -------- Forwarded Message -------- Subject: Phratch: System/World Menu > instead of phratch menu Date: Wed, 15 Jul 2015 10:35:37 -0500 From: Offray > Vladimir Luna CÃ¡rdenas <offray.luna(a)mutabit.com> <offray.luna(a)mutabit.com> To: > pharo-users(a)lists.pharo.org > > Hi, > > Some of my students are having a problem. For some reason the pharo > world/system menu appears and we don't know how to disable it and go > back to the phratch menu, so we can't use "Save as" and other options to > save/export projects. > > How to get back the default behaviour for Phratch menus? > > Thanks, > > Offray > > > > -- ~~Jannik Laval~~ Ãcole des Mines de Douai Enseignant-chercheur http://www.jannik-laval.eu http://www.phratch.com http://www.approchealpes.info http://car.mines-douai.fr/

July 15, 2015

Fwd: Phratch: System/World Menu instead of phratch menu

by Offray Vladimir Luna CÃ¡rdenas

He he, sorry sending from the wrong mail address, here comes again. -------- Forwarded Message -------- Subject: Phratch: System/World Menu instead of phratch menu Date: Wed, 15 Jul 2015 10:35:37 -0500 From: Offray Vladimir Luna CÃ¡rdenas <offray.luna(a)mutabit.com> To: pharo-users(a)lists.pharo.org Hi, Some of my students are having a problem. For some reason the pharo world/system menu appears and we don't know how to disable it and go back to the phratch menu, so we can't use "Save as" and other options to save/export projects. How to get back the default behaviour for Phratch menus? Thanks, Offray

July 15, 2015

Re: [Pharo-users] PharoJS

by Ben Coman

On Wed, Jul 15, 2015 at 5:28 PM, Torsten Bergmann <astares(a)gmx.de> wrote: > ClÃ©ment Bera wrote: > >>What is PharoJS ? Are you talking about Pharo on top of the Bert's SqueakJS VM ? >>If so, it starts, but some primitives fail making it freeze after a short >>while as you describe. >>It would be fun to have it running even though most of the Pharo folks went >>into the Amber direction for Pharo on Javascript. > > Yes there is SqueakJS from Bert https://bertfreudenberg.github.io/SqueakJS/ > and I would have expected "PharoJS" to be the same for Pharo. > > At least I would "reserve" the name for the case Pharo images work on it > as well. That would be ideal. Otherwise the door is opened for people searching for something like SqueakJS on Pharo to be confused. They get excited they found it, then disappointed it wasn't what they were looking for. An alternative could be PharotoJS :). But maybe that horse has bolted... and open source implies those that do the work get to make the choices. cheers -ben > Unfortunately Noury Bouraqadi now took this "PharoJS" name for his > Pharo -> JavaScript compiler

July 15, 2015

Re: [Pharo-users] NativeBoost and variadic functions

by Ben Coman

On Wed, Jul 15, 2015 at 5:16 PM, Matthieu Lacaton <matthieu.lacaton(a)gmail.com> wrote: > Hello Igor, > > Thanks for your answer. > > I implemented something like that for the printf function: > Basically, it generates a method with matching arguments and executes it. > >> printf: stringFormat args: tab >> >> | argNumber functionArgs functionPrototype methodCorpse methodSelector >> argsArray | >> >> ((tab size % 2) = 0) ifFalse: [ >> Transcript show: 'error'. >> ^self. >> ]. >> >> argNumber := 0. >> functionPrototype := 'printf: stringFormat'. >> functionArgs := ''. >> methodCorpse := ''. >> argsArray := (Array new: (tab size / 2) + 1). >> argsArray at: 1 put: stringFormat. >> >> 1 to: tab size by: 2 do: [ :i | >> functionPrototype := functionPrototype, ' arg', argNumber >> asString, ': ', (tab at: i) asString, argNumber asString. >> functionArgs := functionArgs, ' ', (tab at: i) asString, ' ', (tab >> at: i) asString, argNumber asString, ','. >> argsArray at: argNumber + 2 put: (tab at: i + 1). >> argNumber := argNumber + 1. >> ]. >> functionArgs := functionArgs allButLast. >> >> methodCorpse := functionPrototype, Character cr asString, ' >> <primitive: #primitiveNativeCall module: #NativeBoostPlugin>', Character cr >> asString, Character cr asString, ' ^self nbCall: #( void printf ( String >> stringFormat,', functionArgs asString, ' ) )', Character cr asString, ' >> module: NativeBoost CLibrary'. >> >> methodSelector := self class compile: methodCorpse. >> >> self perform: methodSelector withArguments: argsArray. > > > > Then you can call it like that : > > MyClass printf: 'Test of printf. String: %s, Int : %d, Long: %ld, Char: %c, > Double: %lf' args: { 'String'. 'This is a string'. 'int'. 100. 'long'. > 10000000. 'char'. 89. 'double'. 3.14159 }. > > > I also tried it for some other variadic functions and, on my computer (I am > running archlinux), it seemed to work for every type of argument except > "float". Maybe NativeBoost does not do implicit type conversions that a C compiler would do? [1] "Because C will promote floats to doubles for functions that take variable arguments" More info search [2] for: * "implicit type conversion" * "guess wrongly when the program uses floating-point formats in scanf() or printf()" [1] http://stackoverflow.com/questions/210590/why-does-scanf-need-lf-for-double… [2] http://www.electroons.com/8051/ebooks/expert%20C%20programming.pdf cheers -ben > It works fine for "double" though. > For "char" you need to pass the integer ASCII value directly for it to work. > I tried with "Character value: xxx" but it didn't work. > > I know that this is very hackish and very bad, and I am aware it has some > drawbacks. Moreover I am not even sure it will work everytime. > But for now it seems to work ... > > 2015-07-13 19:24 GMT+02:00 Igor Stasenko <siguctua(a)gmail.com>: >> >> >> >> On 10 July 2015 at 10:18, Matthieu Lacaton <matthieu.lacaton(a)gmail.com> >> wrote: >>> >>> Hello, >>> >>> Is it possible with NativeBoost to create a binding for a variadic >>> function ? >>> >>> I've seen the printf example in NBCPrinter but this implementation is >>> kind of cheating since it always pass just a %s as format and one already >>> formatted string to the C function. >>> >>> I've written a simple variadic function which adds every integer it >>> receives as argument (first argument is for the number of following >>> arguments) : >>> >>> int add(int number,...); >>> >>> In Pharo I've tried something like this : >>> >>>> add: number arg1: first arg2: second >>>> <primitive: #primitiveNativeCall module: #NativeBoostPlugin> >>>> >>>> ^ self nbCall: #( int add (int number, int first, int second)) >>>> module: 'libMyLib.so' >>> >>> >>> and it works fine with two arguments. >>> >>> Basically, doing so, I would need one method per number of arguments so >>> it's not very cool. >>> >>> I thought that maybe I could pass an array as argument to my Pharo method >>> but I didn't really find a way to figure out how to define the nbCall >>> without having a "Generic failure". >>> >>>> add: number args: anArray >>>> <primitive: #primitiveNativeCall module: #NativeBoostPlugin> >>>> >>>> ^ self nbCall: #( int add (int number, ??? anArray)) >>>> module: 'libMyLib.so' >>> >>> >>> Do you have an idea ? >>> >> >> In short, there's no marshaller for converting an array of items, to same >> number of things on stack. That could solve the problem with your example: >> passing array of objects of *same* type. But in general, it is not what C >> variadic function(s) standing for. Because they stand for any number of >> arguments, of any type. >> In C, since all program is compiled statically, compiler knows the number >> of passed arguments and their types through compiling each particular call >> site(s) to variadic function. Which means that in fact, you are still >> supplying all information needed by compiler *before* run time. >> >> In variadic functions, you can pass any arguments of any type, >> but for converting each of them, you must tell NB what kind of marshaller >> should be used for it , which means, that it is impossible to know before >> run time, since you cannot know how many arguments you may pass, not >> speaking about their types. >> >> >> >>> >>> Thanks, >>> >>> Matthieu >>> >>> >> >> >> >> -- >> Best regards, >> Igor Stasenko. > >

July 15, 2015

Re: [Pharo-users] PharoJS

by Andy Burnett

Hi Noury, Thanks for the link to the documentation. I have managed to get up and running now - very cool! One question. When I execute 1+1 on the Pharo (pink) playground, I see the code appearing in the web browser log, but it doesn't appear to execute. Is it supposed to, or at this stage is it just showing that it made it over to the web browser? Cheers Andy

July 15, 2015

Re: [Pharo-users] PharoJS

by Noury Bouraqadi

Thanx Torsten for the fix. I integrated it :-) Noury > On 15 Jul 2015, at 12:42, Torsten Bergmann <astares(a)gmx.de> wrote: > > Hi Noury, > > thanks for the feedback. For windows to open a URL one can use: > > NBWin32Shell shellOpen: 'http://www.google.de' > > I adopted the > > startJavaScriptInterpreter > |url| > url := 'http://localhost:', self port asString. > Smalltalk os isWindows ifTrue: [ ^NBWin32Shell shellOpen: url ]. > OSProcess command: 'open ', url > > and run > > workspace := JbWorkspaceForWeb open. > > It basically runs (still throwing some Zinc errors - but I can push some eval scripts to the browser > (Chrome). No time today to look deeper today. > > Please add me as a contributor so I can provide the fix/fixes or make the repo public (if possible). > > Thanks > T. > > > Gesendet: Mittwoch, 15. Juli 2015 um 12:19 Uhr > Von: "Noury Bouraqadi" <bouraqadi(a)gmail.com> > An: "Torsten Bergmann" <astares(a)gmx.de> > Cc: "Pharo users users" <pharo-users(a)lists.pharo.org> > Betreff: Re: PharoJS > Hi Torsten, > > Thanks for the feedback. > I have been pushed to make it public right before ESUG. > I'm trying my best to make it clean and documented. > > If you are using a Mac, the examples I provide on http://car.mines-douai.fr/pharojs/ <http://car.mines-douai.fr/pharojs/> should work out of the box. > > For other platforms (Windows & Linux) I need the command line to open a web browser on a specific URL. > Any hint? > > Regarding the naming PharoJS is more than a bridge. It allows: > -Develop and test apps in Pharo > -Generate a javascript file for a standalone app > > Noury > > On 15 Jul 2015, at 11:28, Torsten Bergmann <astares(a)gmx.de <x-msg://8/astares@gmx.de>> wrote: > > ClÃ©ment Bera wrote: > > What is PharoJS ? Are you talking about Pharo on top of the Bert's SqueakJS VM ? > If so, it starts, but some primitives fail making it freeze after a short > while as you describe. > It would be fun to have it running even though most of the Pharo folks went > into the Amber direction for Pharo on Javascript. > > Yes there is SqueakJS from Bert https://bertfreudenberg.github.io/SqueakJS/ <https://bertfreudenberg.github.io/SqueakJS/> > and I would have expected "PharoJS" to be the same for Pharo. > > At least I would "reserve" the name for the case Pharo images work on it > as well. > > > Unfortunately Noury Bouraqadi now took this "PharoJS" name for his > Pharo -> JavaScript compiler > > http://car.mines-douai.fr/2015/07/develop-in-pharo-run-on-javascript/ <http://car.mines-douai.fr/2015/07/develop-in-pharo-run-on-javascript/> > > leading a little bit to this confusion. > > I would have called the project "Pharo JavaScriptBridge" like the config and the > repo http://smalltalkhub.com/#!/~noury/JavaScriptBridge <http://smalltalkhub.com/#!/~noury/JavaScriptBridge> > > I loaded the config from the SmalltalkHub repo and then: > > ConfigurationOfJavaScriptBridge loadBleedingEdge > > tried JbClientControllerBridge startOn:80 > > but were hit by several errors. > > In my opinion a minimal HOWTO would be required. > > Thanks > Torsten

July 15, 2015

Re: [Pharo-users] PharoJS

by Noury Bouraqadi

> On 15 Jul 2015, at 12:34, Sean P. DeNigris <sean(a)clipperadams.com> wrote: > > Noury Bouraqadi-2 wrote >> Regarding the naming PharoJS is more than a bridge. It allows: >> -Develop and test apps in Pharo >> -Generate a javascript file for a standalone app > > How does it compare to Amber? Similar use case? > The main difference is that with PharoJS we develop and test in Pharo, with the confort of all cool tools such as the GT inspector, spotter :-) Noury

July 15, 2015

Re: [Pharo-users] PharoJS

by ClÃ©ment Bera

2015-07-15 12:34 GMT+02:00 Sean P. DeNigris <sean(a)clipperadams.com>: > Noury Bouraqadi-2 wrote > > Regarding the naming PharoJS is more than a bridge. It allows: > > -Develop and test apps in Pharo > > -Generate a javascript file for a standalone app > > How does it compare to Amber? Similar use case? > > The resulting application is the same in PharoJS and Amber, you have javascript files to deploy only and no dependence with Smalltalk, so I'd say similar use-cases for sure. I've just tried PharoJS and the main difference with Amber is that you develop from Pharo instead of from the browser, allowing to reuse the Pharo IDE for development instead of building a new one. In fact it is the same as Amber's sub-project Nemo where you develop in Amber from Pharo. Why doesn't PharoJS use the Amber compiler to compile from Smalltalk to javascript and the Amber kernel to map native Javascript objects ? Amber's compiler and JS kernel were polished and optimized during years, I don't understand why you need to do it again ... It's really nice to be able to develop and commit from Pharo. > > ----- > Cheers, > Sean > -- > View this message in context: > http://forum.world.st/PharoJS-tp4837593p4837621.html > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. > >

July 15, 2015

Re: [Pharo-users] PharoJS

by Torsten Bergmann

July 15, 2015

Re: [Pharo-users] Request to put up my under-development applicationfor automated build

by Jigyasa Grover

Yes, the error vanished the next morning. Thank You Marcus :) -- View this message in context: http://forum.world.st/Request-to-put-up-my-under-development-application-fo… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

July 15, 2015

Re: [Pharo-users] PharoJS

by Sean P. DeNigris

Noury Bouraqadi-2 wrote > Regarding the naming PharoJS is more than a bridge. It allows: > -Develop and test apps in Pharo > -Generate a javascript file for a standalone app How does it compare to Amber? Similar use case? ----- Cheers, Sean -- View this message in context: http://forum.world.st/PharoJS-tp4837593p4837621.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

July 15, 2015