Hi Charles, 2013/3/14 Charles Sharman <charles.shar...@skybeam.com>
> I circumvented the problem by modifying OCCViewer.py. I removed the > OCCViewer.Viewer3d inheritance of OCC.Visualization and directly called the > OCC.Visualization equivalents within OCCViewer.Viewer3d itself, being very > careful to call handles shortly after an object's creation. > Unfortunately, this > fix only works for Viewer3d. Viewer2d and NISVisualization3d will still > have > the problem. > The 2d part of OCC has been dropped a few weeks ago from their git repository, they focus on 3D only. I'm about to do the same on the wrapper side, since I did not heard anybody using the 2d viewer. It's the same for the NIS based viewer: I do think it's useless. So unless someone specifically asks for these wrappers to still be part of pythonocc, I will soon only keep the Viewer3d. So this solves your problem with Viewer2d and NISVis. > Anyway, now you can run wxViewer3d under threads. I can open multiple > Viewer > windows under ipython and interact with each separately. If there is great > demand to get similar improvements to Viewer2d, let me know, and I'll work > on > them. Make sure the demand is real, though. Despite the brevity of the > code, > it took a lot of time to find a solution. > Interesting, thank you for looking into this issue. > > For those interested, the code changes follow. (I can't test the Windows > version, but Linux works for sure.) Interestingly enough, a full change > to all > viewers would remove the need for the OCC.Visualization module, I think. > I'll > wait a couple days to hear if there's demand for the other Viewers. I'm quite sure there won't. If not, and > pending Thomas's approval, I'll submit these fixes to the 0.6 release > early next > week. > Let's proceed this opposite way: open an issue on the github pythonocc page (https://github.com/tpaviot/pythonocc), either submit a patch or, even better, push a branch with your code, and request for it t be integrated into the master branch. I can give you a write access if you need. If you don't feel comfortable with git, just send a patch and I will apply it. This fix however has to be seriously tested on all platforms, since I experienced many different behaviors when developing gui using so-called portable libraries. Cheers, Thomas
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