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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],
Release History

Release History

This version
History Node

0.1

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
meshcut-0.1.tar.gz (4.4 kB) Copy SHA256 Checksum SHA256 Source May 24, 2015

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