How to analyse a STEP file in Matlab?

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Lokesh 2011-6-5

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https://ww2.mathworks.cn/matlabcentral/answers/8816-how-to-analyse-a-step-file-in-matlab

回答： Steve Miller 2022-12-21

I want to import the STEP file of a cad model and anlalyse in matlab, make changes in it and again export the STEP file to a CAD software.

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Arnaud Miege 2011-6-6

Not sure about step file, but there are various utilities for STL and IGES files on the File Exchange, see http://www.mathworks.co.uk/matlabcentral/fileexchange/?term=cad+file+import.

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Answer 1

Steve Miller 2022-12-21

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https://ww2.mathworks.cn/matlabcentral/answers/8816-how-to-analyse-a-step-file-in-matlab#answer_1132957

From this answer:

https://www.mathworks.com/matlabcentral/answers/56904-how-to-import-and-plot-step-file

STEP is a complicated format, and I doubt you will find a general-purpose importer function that is versatile enough to import all possible keywords that can appear in a STEP file. Further, because Matlab is not a CAD program, several common CAD features, such as curved faces, extrudes, etc. are not natively defined in Matlab, and in fact do not necessarily have such meaning.

Some options:

Use an open source or online CAD tool to make your adjustments.
Figure out how to use the CAD API to make your adjustments, and then script your changes in MATLAB.

--Steve