I would like to import data from an STL file of a 3D object to MATLAB and create a 2D contour plot of it. Does anyone have any ideas about this? Thanks!

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Zoe
Zoe 2016-6-30
评论： Edgar Crassier 2021-2-6
I am trying to create a contour plot showing the thickness of this odd shaped 3D body similar to a topography map. If I had a matrix of x and y coordinates with the thickness at those locations (not just height but thickness) then I could create a contour plot. I do not know how to import the STL to MATLAB however and extract this information from it. Any tips would be greatly appreciated!

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Walter Roberson
Walter Roberson 2016-6-30
https://www.mathworks.com/matlabcentral/fileexchange/22409-stl-file-reader

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Ahmet Cecen
Ahmet Cecen 2016-6-30
STL files have a very specific format you can exploit to gather your data automatically. Try using "textscan" followed by "strsplit" to get the x, y, z coordinates of the vertices.

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