What does "Cannot compute Inventor representation for the shape of Unnamed2#Solid116: BRep_API: command not done" mean

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goophy
Posts: 1
Joined: Fri May 20, 2022 3:49 pm

What does "Cannot compute Inventor representation for the shape of Unnamed2#Solid116: BRep_API: command not done" mean

Post by goophy »

Hello,

when importing a rather large .stp file, I get the following errors and no shape or anything is visible in the 3D view. Unfortunately I can't provide the stp files (they are 100M to 500M in size).
Searching the forum I found many entries with the "Cannot compute Inventor" message, but none with the error "BRep_API: command not done". That's why I opened a new thread.

I am able to open the file with the OpenCascade CAD Assistant. So the file seems to be OK.
What does that error mean and is there a way to work around it?

Code: Select all

18:07:39  <Import> ImportOCAF2.cpp(569): free shape count 4
18:08:50  <Part> ViewProviderExt.cpp(1269): Cannot compute Inventor representation for the shape of Unnamed2#Solid116: BRep_API: command not done
18:08:50  <Part> ViewProviderExt.cpp(1269): Cannot compute Inventor representation for the shape of Unnamed2#Compound002: BRep_API: command not done
18:08:50  <Part> ViewProviderExt.cpp(1269): Cannot compute Inventor representation for the shape of Unnamed2#Feature: BRep_API: command not done
18:08:50  <Part> ViewProviderExt.cpp(1269): Cannot compute Inventor representation for the shape of Unnamed2#Feature: BRep_API: command not done
I am using FreeCAD 0.20 weekly build:

Code: Select all

OS: Ubuntu Core 20 (GNOME/gnome)
Word size of FreeCAD: 64-bit
Version: 0.20.28885 (Git)
Build type: Release
Branch: master
Hash: 6e86375e8f6f81436bfdd851645f3a9c9bf3fc33
Python 3.8.10, Qt 5.15.3, Coin 4.0.0, OCC 7.6.2
Locale: German/Germany (de_DE)
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Kunda1
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Re: What does "Cannot compute Inventor representation for the shape of Unnamed2#Solid116: BRep_API: command not done" me

Post by Kunda1 »

Any luck searching the forum?
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thomas-neemann
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Re: What does "Cannot compute Inventor representation for the shape of Unnamed2#Solid116: BRep_API: command not done" me

Post by thomas-neemann »

goophy wrote: Fri May 20, 2022 4:18 pm ...
a recommendation from wmayer (which has always worked for me so far) is to open the file in the free varicad viewer and save it again as a step. then import this file into freecad.
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