The BRep data from the .SLDPRT file is displaying incorrect values (shrinked by 10^{-3} ), suggesting a potential unit discrepancy

HOOPS Exchange
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The original “.SLDPRT” file is supposed to be in millimeters (mm), and upon inspection, it appears that the BRep data is incorrectly interpreted or processed during conversion. The BRep data from the . SLDPRT file is displaying incorrect values (shrinks by 10^{-3} ).

I expect the BRep data to maintain the same dimensions as originally defined in the “.SLDPRT” file. When the “.SLDPRT” file is saved as a “.SAT” file, the values are returned correctly in mm, as desired.

Could you please help me identify the cause of this discrepancy? It would be helpful to understand if this is an issue with the way the “.SLDPRT” file is being interpreted by the HOOPS toolkit or if it’s a known issue with conversion. Any guidance on ensuring consistent unit handling during this process would be appreciated.

Kindly guide us through this.

Regards
Pooja

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Hello @pooja,
To confirm the .SLDPRT units, you can check the bottom-right corner of the SolidWorks window.

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image248×198 3.54 KB

Also, there is a forum post discussing how to handle units in HOOPS Exchange. Hopefully this post will answer your question.
If none of the above methods work, could you provide dummy file for analysis? Thank you.

Best Regards,
Man