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Utilities to slice 3D triangular meshes.

Project Description

For now, this computes the planar cross-section of a 3D mesh.

Given a 3D mesh and a cut plane, this computes a (set of) polyline(s) that results from cutting the mesh with the plane.

Requires python and numpy. Mayavi is used for visualisation in the examples.

Usage

Run the examples with

python examples/cross_section.py

Given

In [17]: verts
Out[17]:
array([[ 1.6315   , -0.1505   ,  0.       ],
       [ 1.6376   , -0.1516   ,  0.       ],
       [ 1.6493   , -0.1518   ,  0.       ],
       ...,
       [ 1.62088  , -0.0263264, -0.0716966],
       [ 1.63381  , -0.0500889,  0.0726852],
       [ 1.63381  , -0.0500889, -0.0726852]])

In [20]: faces
Out[20]:
array([[1530, 1337, 1338],
       [4549, 4725, 4548],
       [2940, 2950, 3787],
       ...,
       [3107, 3438, 3439],
       [2263, 2281, 2262],
       [3116, 3119, 4171]])

In [21]: meshcut.cross_section(verts, faces, plane_orig=(1.2, -0.125, 0),
   ....:                       plane_normal=(1, 0, 0))
Out[21]:
[array([[  1.20000000e+00,  -1.28957692e-01,  -1.02180769e-01],
        [  1.20000000e+00,  -1.37182869e-01,  -8.06541833e-02],
        [  1.20000000e+00,  -1.36863816e-01,  -6.95125000e-02],
screenshot.png

Release history Release notifications

This version
History Node

0.1

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Filename, size & hash SHA256 hash help File type Python version Upload date
meshcut-0.1.tar.gz (4.4 kB) Copy SHA256 hash SHA256 Source None May 24, 2015

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