# pymmg - Surface and volume remeshers
[](https://github.com/gnikit/pymmg/actions/workflows/main.yml)
Bringing [MMG](https://www.mmgtools.org/) surface and volume remeshers to Python.
This package is a wrapper around the MMG tools
## Features
- Surface remeshing
- Volume remeshing
- Area remeshing
- Adaptive mesh refinement
- Load multiple file formats using [`meshio`](https://github.com/nschloe/meshio)
> [Abaqus](http://abaqus.software.polimi.it/v6.14/index.html) (`.inp`),
> ANSYS msh (`.msh`),
> [AVS-UCD](https://lanl.github.io/LaGriT/pages/docs/read_avs.html) (`.avs`),
> [CGNS](https://cgns.github.io/) (`.cgns`),
> [DOLFIN XML](https://manpages.ubuntu.com/manpages/jammy/en/man1/dolfin-convert.1.html) (`.xml`),
> [Exodus](https://nschloe.github.io/meshio/exodus.pdf) (`.e`, `.exo`),
> [FLAC3D](https://www.itascacg.com/software/flac3d) (`.f3grid`),
> [H5M](https://www.mcs.anl.gov/~fathom/moab-docs/h5mmain.html) (`.h5m`),
> [Kratos/MDPA](https://github.com/KratosMultiphysics/Kratos/wiki/Input-data) (`.mdpa`),
> [Medit](https://people.sc.fsu.edu/~jburkardt/data/medit/medit.html) (`.mesh`, `.meshb`),
> [MED/Salome](https://docs.salome-platform.org/latest/dev/MEDCoupling/developer/med-file.html) (`.med`),
> [Nastran](https://help.autodesk.com/view/NSTRN/2019/ENU/?guid=GUID-42B54ACB-FBE3-47CA-B8FE-475E7AD91A00) (bulk data, `.bdf`, `.fem`, `.nas`),
> [Netgen](https://github.com/ngsolve/netgen) (`.vol`, `.vol.gz`),
> [Neuroglancer precomputed format](https://github.com/google/neuroglancer/tree/master/src/neuroglancer/datasource/precomputed#mesh-representation-of-segmented-object-surfaces),
> [Gmsh](https://gmsh.info/doc/texinfo/gmsh.html#File-formats) (format versions 2.2, 4.0, and 4.1, `.msh`),
> [OBJ](https://en.wikipedia.org/wiki/Wavefront_.obj_file) (`.obj`),
> [OFF](https://segeval.cs.princeton.edu/public/off_format.html) (`.off`),
> [PERMAS](https://www.intes.de) (`.post`, `.post.gz`, `.dato`, `.dato.gz`),
> [PLY](<https://en.wikipedia.org/wiki/PLY_(file_format)>) (`.ply`),
> [STL](<https://en.wikipedia.org/wiki/STL_(file_format)>) (`.stl`),
> [Tecplot .dat](http://paulbourke.net/dataformats/tp/),
> [TetGen .node/.ele](https://wias-berlin.de/software/tetgen/fformats.html),
> [SVG](https://www.w3.org/TR/SVG/) (2D output only) (`.svg`),
> [SU2](https://su2code.github.io/docs_v7/Mesh-File/) (`.su2`),
> [UGRID](https://www.simcenter.msstate.edu/software/documentation/ug_io/3d_grid_file_type_ugrid.html) (`.ugrid`),
> [VTK](https://vtk.org/wp-content/uploads/2015/04/file-formats.pdf) (`.vtk`),
> [VTU](https://vtk.org/Wiki/VTK_XML_Formats) (`.vtu`),
> [WKT](https://en.wikipedia.org/wiki/Well-known_text_representation_of_geometry) ([TIN](https://en.wikipedia.org/wiki/Triangulated_irregular_network)) (`.wkt`),
> [XDMF](https://xdmf.org/index.php/XDMF_Model_and_Format) (`.xdmf`, `.xmf`).
## Installation
```bash
pip install pymmg
```
> NOTE: you can use the full-blown `pymmg` converter with `netcdf4` and `h5py` by doing:
> `pip install pymmg[all]`
## Usage
### Surface remeshing
```bash
python -m mmgs input.mesh output.mesh
```
### Volume remeshing
```bash
python -m mmg3d input.mesh output.mesh
```
### 2D remeshing
```bash
python -m mmg2d input.mesh output.mesh
```
Raw data
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"description": "# pymmg - Surface and volume remeshers\n\n[](https://github.com/gnikit/pymmg/actions/workflows/main.yml)\n\nBringing [MMG](https://www.mmgtools.org/) surface and volume remeshers to Python.\nThis package is a wrapper around the MMG tools\n\n## Features\n\n- Surface remeshing\n- Volume remeshing\n- Area remeshing\n- Adaptive mesh refinement\n- Load multiple file formats using [`meshio`](https://github.com/nschloe/meshio)\n > [Abaqus](http://abaqus.software.polimi.it/v6.14/index.html) (`.inp`),\n > ANSYS msh (`.msh`),\n > [AVS-UCD](https://lanl.github.io/LaGriT/pages/docs/read_avs.html) (`.avs`),\n > [CGNS](https://cgns.github.io/) (`.cgns`),\n > [DOLFIN XML](https://manpages.ubuntu.com/manpages/jammy/en/man1/dolfin-convert.1.html) (`.xml`),\n > [Exodus](https://nschloe.github.io/meshio/exodus.pdf) (`.e`, `.exo`),\n > [FLAC3D](https://www.itascacg.com/software/flac3d) (`.f3grid`),\n > [H5M](https://www.mcs.anl.gov/~fathom/moab-docs/h5mmain.html) (`.h5m`),\n > [Kratos/MDPA](https://github.com/KratosMultiphysics/Kratos/wiki/Input-data) (`.mdpa`),\n > [Medit](https://people.sc.fsu.edu/~jburkardt/data/medit/medit.html) (`.mesh`, `.meshb`),\n > [MED/Salome](https://docs.salome-platform.org/latest/dev/MEDCoupling/developer/med-file.html) (`.med`),\n > [Nastran](https://help.autodesk.com/view/NSTRN/2019/ENU/?guid=GUID-42B54ACB-FBE3-47CA-B8FE-475E7AD91A00) (bulk data, `.bdf`, `.fem`, `.nas`),\n > [Netgen](https://github.com/ngsolve/netgen) (`.vol`, `.vol.gz`),\n > [Neuroglancer precomputed format](https://github.com/google/neuroglancer/tree/master/src/neuroglancer/datasource/precomputed#mesh-representation-of-segmented-object-surfaces),\n > [Gmsh](https://gmsh.info/doc/texinfo/gmsh.html#File-formats) (format versions 2.2, 4.0, and 4.1, `.msh`),\n > [OBJ](https://en.wikipedia.org/wiki/Wavefront_.obj_file) (`.obj`),\n > [OFF](https://segeval.cs.princeton.edu/public/off_format.html) (`.off`),\n > [PERMAS](https://www.intes.de) (`.post`, `.post.gz`, `.dato`, `.dato.gz`),\n > [PLY](<https://en.wikipedia.org/wiki/PLY_(file_format)>) (`.ply`),\n > [STL](<https://en.wikipedia.org/wiki/STL_(file_format)>) (`.stl`),\n > [Tecplot .dat](http://paulbourke.net/dataformats/tp/),\n > [TetGen .node/.ele](https://wias-berlin.de/software/tetgen/fformats.html),\n > [SVG](https://www.w3.org/TR/SVG/) (2D output only) (`.svg`),\n > [SU2](https://su2code.github.io/docs_v7/Mesh-File/) (`.su2`),\n > [UGRID](https://www.simcenter.msstate.edu/software/documentation/ug_io/3d_grid_file_type_ugrid.html) (`.ugrid`),\n > [VTK](https://vtk.org/wp-content/uploads/2015/04/file-formats.pdf) (`.vtk`),\n > [VTU](https://vtk.org/Wiki/VTK_XML_Formats) (`.vtu`),\n > [WKT](https://en.wikipedia.org/wiki/Well-known_text_representation_of_geometry) ([TIN](https://en.wikipedia.org/wiki/Triangulated_irregular_network)) (`.wkt`),\n > [XDMF](https://xdmf.org/index.php/XDMF_Model_and_Format) (`.xdmf`, `.xmf`).\n\n## Installation\n\n```bash\npip install pymmg\n```\n\n> NOTE: you can use the full-blown `pymmg` converter with `netcdf4` and `h5py` by doing:\n> `pip install pymmg[all]`\n\n## Usage\n\n### Surface remeshing\n\n```bash\npython -m mmgs input.mesh output.mesh\n```\n\n### Volume remeshing\n\n```bash\npython -m mmg3d input.mesh output.mesh\n```\n\n### 2D remeshing\n\n```bash\npython -m mmg2d input.mesh output.mesh\n```\n",
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