On Thu, 4 Jun 2020 at 21:00, Richard O'Keefe <raoknz@gmail.com> wrote:

Does anyone know of a collection of test files for this format?

You might be looking for smaller tests, but anyway..

https://github.com/richbl/esri-ascii-parser/tree/master/sample_data��

https://www.planlaufterrain.com/LiDAR-Data-and-FAQ/

https://library.carleton.ca/help/dem-formats����

https://data.gov.au/dataset/ds-dga-b2e1dfc6-2c7e-404a-a949-7e3e95fc4418/details?q=����

cheers -ben