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A Quality Tetrahedral Mesh Generator

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## DESCRIPTION

This manual page documents briefly the `&dhpackage;` command. Full documentation is available online: http://tetgen.berlios.de/

`&dhpackage;` generates the Delaunay tetrahedralization, Voronoi diagram, and convex hull for three-dimensional point sets, generates the constrained Delaunay tetrahedralizations and quality tetrahedral meshes for three-dimensional domains with piecewise linear boundary.

## OPTIONS

A summary of options is included below. For a complete description, see the online documentation.

`-p`

- Tetrahedralizes a picecwise linear complex (.poly or .smesh file).

`-q`

- Quality mesh generation. A minimum radius-edge ratio may be specifyed (default 2.0).

`-a`

- Applies a maximum tetrahedron volume constraint.

`-A`

- Assigns attributes to identify tetrahedra in certain regions.

`-r`

- Reconstructs/Refines a previously generated mesh.

`-Y`

- Suppresses boundary facets/segments splitting.

`-i`

- Inserts a list of additional points into mesh.

`-M`

- Does not merge coplanar facets.

`-T`

- Set a tolerance for coplanar test (default 1e-8).

`-d`

- Detect intersections of PLC facets.

`-z`

- Numbers all output items starting from zero.

`-j`

- Jettison unused vertices from output .node file.

`-o2`

- Generates second-order subparametric elements.

`-f`

- Outputs faces (including non-boundary faces) to .face file.

`-e`

- Outputs subsegments to .edge file.

`-n`

- Outputs tetrahedra neighbors to .neigh file.

`-g`

- Outputs mesh to .mesh file for viewing by Medit.

`-G`

- Outputs mesh to .msh file for viewing by Gid.

`-O`

- Outputs mesh to .off file for viewing by Geomview.

`-B`

- Suppresses output of boundary information.

`-N`

- Suppresses output of .node file.

`-E`

- Suppresses output of .ele file.

`-F`

- Suppresses output of .face file.

`-I`

- Suppresses mesh iteration numbers.

`-C`

- Checks the consistency of the final mesh.

`-Q`

- Quiet: No terminal output except errors.

`-V`

- Verbose: Detailed information on what I'm doing.

`-v`

- Prints the version information.

`-h`

- Help: A brief instruction for using TetGen.

## EXAMPLES

The wing is described in two files: wing.node and wing.poly. The command line: tetgen -pq wing generates the quality mesh in three files: wing.1.node, wing.1.ele, and wing.1.face.

Default, the radius-edge ratio of each tetrahedron is bounded below 2.0. You can impose a tight bound by adding a number directly after the '-q' switch. Like this: tetgen -pq1.2 wing generates a quality mesh which have more points inserted than the mesh created in above.

See http://tetgen.berlios.de/switches.examples.html for more examples.

## SEE ALSO

netgen (1)

## AUTHOR

This manual page was written by &dhusername; &dhemail; for the &debian; system (but may be used by others). Permission is granted to copy, distribute and/or modify this document under the terms of the &gnu; General Public License, Version 2 any later version published by the Free Software Foundation.

On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.