[gavinbowl]

I'm working with a STEP file using various geometry processing software. For the same STEP file, the face IDs differ between ANSA and other software like OpenCascade. How can I establish a correspondence between the same faces?
I appreciate the assistance and guidance provided by everyone.

[KarlMcCormick]

hellooo geometry dash meltdown
To compare face IDs between different software when working with STEP files, the following methods can be used: Compare the unique geometric properties of each face (area, centroid, bounding box, normal direction) to create a reference map; surface topology analysis based on adjacency relationships between surfaces; analyze STEP file structure to extract consistent ID information across platforms; export files with fixed IDs if supported by the software; and automate the process with code to read and compare geometric properties.

have a nice day!

[gavinbowl]

Thanks a lot! I'll try it later!