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Examples and demos for the pythonocc CAD package

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[core_visualization_overpaint_viewer.py crashes at QtGui.QPainter(self)](https://github.com/tpaviot/pythonocc-demos/blob/6e7ebf53e784eb3c5bcf4935486b49eebb71b564/examples/core_visualization_overpaint_viewer.py#L512) Same for both Pyside2 5.15.1 and PyQt5 5.12.3.

Dear Thomas, all, when using ``` from OCC.Display.WebGl.jupyter_renderer import JupyterRenderer ``` I get an invisible / empty viewer in Jupyter on all browsers for all .ipynb starting from helloworld.ipynb ....

``` python core_geometry_face_recognition_from_stepfile.py INFO:OCC.Display.backend:backend loaded: qt-pyqt5 INFO:OCC.Display.SimpleGui:GUI backend set to: qt-pyqt5 ###### 3D rendering pipe initialisation ##### Display3d class initialization starting ... Aspect_DisplayConnection created. Graphic_Driver created. V3d_Viewer created. AIS_InteractiveContext created....

In core_topology_faces.py, on line 66, you mention the brown face, and then proceed to make a brownFace.Face() object But then on line 122, you give it the color **blue**. Shouldn't...

Hello, We have discovered in a freshly installed pythonocc-core (7.4.0rc1) on conda that the two functions required by the `display_as_svg` jupyter notebook example are not present in the library: ```...

I'm not sure if this is the right place to look, but here's hoping. I'm interested in using pythonocc to update existing CAD (e.g., add some lines/surfaces, mesh geometry) and...

Want to export a shape or solid to a .glb file. Example code from pythonocc-demos/examples/core_export_gltf_single_shape.py results in TypeError on "create document" line 37 '''doc = TDocStd_Document("pythonocc-doc")''' '''TypeError: in method 'new_TDocStd_Document',...

bug

We're looking to improve our 3D viewer's response and I had a few questions regarding it: - pythonocc seems to use Erase to remove shapes from the display, but [OpenCascade's...