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UseOnlyTriangulation export setting can be exported to JSON but is not saved in project #6

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andydandy74 opened this issue Jul 9, 2018 · 3 comments
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UseOnlyTriangulation export setting can be exported to JSON but is not saved in project #6

andydandy74 opened this issue Jul 9, 2018 · 3 comments

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@andydandy74
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The export setting UseOnlyTriangulation a.k.a. "Keep Tesselated Geometry as Triangulation" ("Advanced" tab) can be exported to JSON but not saved in project.

Tested in 18.4

Steps to reproduce:

  • In the export settings dialog, check the abovementioned checkbox
  • Save the export setup to disk
  • Leave dialog with OK
  • Click on "Modify setup"
  • Notice that the checkbox is now unchecked again
  • Load the previously saved setup from disk
  • Notice that the checkbox is now checked again
  • Leave dialog with OK
  • Click on "Modify setup"
  • Notice that the checkbox is now unchecked again
@AngelVelezSosa
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That option isn't even supposed to be there anymore; it was just for IFC4ADD1 compatibility, but that's not associated with any MVD. Will check why it is there at all.

@WawanSolihin
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"Keep Tesselated Geometry as Triangulation" ("Advanced" tab) is introduced for IFC4RV for the following reasons:

  1. The default: export will try to optimize any triangulated geometry into polygonal faces if there are co-plannar. If this is not required, the option may be ticked for faster export
  2. In some cases, IFC4RV certification auto-check has problem with the Euler check unless it is in the original triangulated form

Need to take a look about the persistence of the option. It should be just minor bug.

@dvrvb dvrvb mentioned this issue Nov 18, 2018
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@WawanSolihin
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This issue on persisting "Keep Tesselated Geometry as Triangulation" ("Advanced" tab) option has been fixed in the latest release: 21.2.0.0, 20.3.1.0, and 19.5.0.0 (coming soon)

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3 participants
@andydandy74 @AngelVelezSosa @WawanSolihin