Dear Gene,
Thank you for your detailed explanation and reproducible case.
I escalated this thread to an ADN case 12373012 [RationalBSplineSurface Issue of Exporting IFC4DTV through Revit API] and logged the issue REVIT-103194 [API: export RationalBSplineSurface to IFC4DTV fails -- 12373012] with our development team for this on your behalf as it requires further exploration and possibly a modification to our software. Please make a note of this number for future reference.
You are welcome to request an update on the status of this issue or to provide additional information on it at any time quoting this change request number.
This issue is important to me. What can I do to help?
This issue needs to be assessed by our engineering team, and prioritised against all of the other outstanding change requests. Any information that you can provide to influence this assessment will help. Please provide the following where possible:
- Impact on your application and/or your development.
- The number of users affected.
- The potential revenue impact to you.
- The potential revenue impact to Autodesk.
- Realistic timescale over which a fix would help you.
- In the case of a request for a new feature or a feature enhancement, please also provide detailed Use cases for the workflows that this change would address.
This information is extremely important. Our engineering team have limited resources, and so must focus their efforts on the highest impact items. We do understand that this will cause you delays and affect your development planning, and we appreciate your cooperation and patience.
I hope this helps.
Best regards,
Jeremy