Hugues Delorme

I've created this issue in OCCT GitHub repo: https://github.com/Open-Cascade-SAS/OCCT/issues/349

Hello @zhiyong-han It's hard to investigate on that problem without the input file Can you provide a link to `LG1058-COR1-T039.step`?

Mayo doesn't support those types yet. Current development version supports 3D meshes(see this [issue](https://github.com/fougue/mayo/issues/251)) Can you provide some sample DXF files for these surface types? It's probably easy to support...

Hello you can try to put the DXF files in a ZIP archive and share it here in this thread OpenCascade provides support of DXF format but only through a...

Unfortunately, to my knowledge OpenCascade 3D view doesn't support transparent background

I tried this but couldn't make it work: * create a transparent PNG file * call `V3d_View::SetBackgroundImage()` with this PNG file(within `ImageWriter::createV3dView()` function) * set `dumpOptions.BufferType = Graphic3d_BT_RGBA;`(within `ImageWriter::createV3dView()` function)...

@probonopd Can this PR be merged?

After investigation, this appears to be an OpenCascade bug I've created this issue in OCCT GitHub repo: https://github.com/Open-Cascade-SAS/OCCT/issues/510

Try to set the STEP option "Write Parametric Curves" to OFF: I've tried with this file(not AP242 but AP214): https://grabcad.com/library/raspberry-pi-3-reference-design-model-b-rpi-raspberrypi-raspberry-pi-1 Original size: 26MB Export size: 15.1MB (schema: AP242_DIS, write_parametric_curves: OFF)...

Hello @Mannshoch It's hard to investigate on that problem without the input file Can you provide a link to the IGES file?