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How to compute the ROI of on object?

Anonymous's picture


I want to compute the ROI (Region of interest or Footprint) of a object. How can i do it?

For example: the object is a building and i want to compute its footprint on the ground.

I thought a first method :

project each wire on plane z=0 and compute the external wire (by using the HLR algorithm) but i dont know if its the right way to solve my problem.


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