[Pharo-users] How to have an in-image map (morph/spec/brick) showing a gps location

Hello, I would like to have a representation of a map in the image to show (my) GPS coordinates. I haven’t really tried nor searched yet but I’ve seen Roassal examples that could do the job, especially the Open Street Map integration. So does people here have advices on how to to that (having a morph that shows a map and positions) ? Ideally I would like to have it work offline (meaning I download first tiles…or a vectorized map would do the job too). TIA, Cédrick