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wolph / numpy-stl

Simple library to make working with STL files (and 3D objects in general) fast and easy.
http://numpy-stl.readthedocs.org/
BSD 3-Clause "New" or "Revised" License
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mesh union of two pieces of cylinders with a common side face #139

Closed usrpy closed 3 years ago

usrpy commented 4 years ago

Hello, Assuming the boolean union of two pieces of cylinder with a common side face, as case , common cylinders extremities become internal to the resulting mesh body. Is it possible to do that using numpy-stl, leading a watertight and not overlapping mesh result. Does removal of common faces, indicating the plane where these faces are located, before union would be suitable ? Thank you so much for advice.

wolph commented 4 years ago

The main goal of this library is storing and loading STL files to a numpy array. After that you can manipulate it any way you want but the library itself doesn't offer many options in terms of manipulation.

There are a few methods for rotation: https://numpy-stl.readthedocs.io/en/latest/stl.html#stl.Mesh.rotate And transforming a mesh: https://numpy-stl.readthedocs.io/en/latest/stl.html#stl.Mesh.transform Or translating a mesh: https://numpy-stl.readthedocs.io/en/latest/stl.html#stl.Mesh.translate

But removing common faces is a much more intricate operation. You'll have to write an algorithm for that yourself, but if you create something good I'm open to adding it to the library :)

stale[bot] commented 4 years ago

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