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Mesh Processing for Python

Project description


### About PyMesh ###

PyMesh is a code base developed by Qingnan Zhou for his PhD research at New York University. It is a rapid prototyping platform focused on geometry processing. PyMesh is written using both C++ and python, where computational intensive functionalities are realized in C++, and Python is used for create minimalistic and easy to use interfaces.

### Documentation ###

[Latest documentation](

### Download Source ###

To retrieve the code:

git clone git submodule update –init

Be sure to save the root directory of PyMesh in the environment variable PYMESH_PATH:

export PYMESH_PATH=/path/to/PyMesh/

Unit tests relies on this environment variable to load relevant libraries.

### Dependencies ###

PyMesh depends on the following tools/libraries:

Optional library:

Libraries marked with * are included in $PYMESH_PATH/third_party directory.

### Environment Variables ###

If any of the dependent library is not installed in standard locations (/usr/local/, /opt/local), one needs to set environment variables that point to the correct directories. PyMesh check the following environment variables:

  • EIGEN_INC: directory containing the Eigen library.
  • GOOGLEHASH_INCLUDES: directory containing sparse hash.
  • CGAL_PATH: path to CGAL library
  • BOOST_INC: directory containing boost.
  • LIBIGL_PATH: path to libigl.
  • CORK_PATH: path to cork.
  • TETGEN_PATH: path to tetgen
  • TRIANGLE_PATH: path to triangle
  • QHULL_PATH: path to qhull
  • CLIPPER_PATH: path to clipper
  • CARVE_PATH: path to carve
  • GEOGRAM_PATH: path to GeoGram
  • QUARTET_PATH: path to quartet

### Build ###

The first step is to compile the optional third party dependencies:

cd $PYMESH_PATH/third_party mkdir build cd build cmake .. make make install

Third party dependencies will be installed in $PYMESH_PATH/python/pymesh/third_party directory.

Now we can build the main project. It is recommended to build out of source:

cd $PYMESH_PATH mkdir build cd build cmake ..

To only build the C++ libraries without the swig python modules, change the last command to


To build the main PyMesh library:

make make src_tests

To build all available tools:

make tools make tools_tests

Make sure all unit tests are passed before using the library.

### Install ###

The output of building PyMesh consists a set of C++ libraries and a python module. Installing the C++ library is currently not available. However, installing the python package can be done:

./ build # This an alternative way of calling cmake/make ./ install

To check PyMesh is installed correctly, run the following python unit tests:

python -c "import pymesh; pymesh.test()"

Once again, make sure all unit tests are passed, and report any unit test failures.

Project details

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