Kai Mühlbauer

@djhoese @almarklein I'll pick this up again in a few days.

@rougier Yes, I knew there was this chloropleth example also in VisPy, but it is not with the geographical transformation. Thanks for the pointer.

@djhoese There is this interesting paper (https://doi.org/10.14311/gi.15.1.5) which compares `GDAL` warping with `OpenCL` based warping. It concludes that not in all cases `OpenCL` is the better approach. The paper is...

@djhoese Should we talk about this at the next dev meeting?

@chouran Can you add a minimal example showing that behaviour (PyQt5)?

@ombschervister @chouran Is this still an issue with latest vispy?

@dsanhnt Maybe you can adapt from @rougier here: https://github.com/glumpy/glumpy/blob/master/examples/earth.py

@djhoese I'll try reproducing. @exor2008 Can you share a minimal runnable example? This will make things easier for me.

@exor2008 Thanks, I'll have a look as soon as possible, hopefully within the next day

@exor2008 The evaluation of @djhoese is correct. The problem is that the `mouse_release` is not handled by the `SceneCanvas` and therefore the EventSystem is stuck in a "mousebutton-pressed" state. I...