# happrox (1) - Linux Man Pages

## happrox: returns a simplified triangulation of a set of points using algorithm III of Garland and Heckbert (1995).

## NAME

happrox - returns a simplified triangulation of a set of points using algorithm III of Garland and Heckbert (1995).

## SYNOPSIS

**happrox**[

*OPTIONS*] < [

*input.pgm*|

*input*] >

*output.gts*

## DESCRIPTION

This manual page documents briefly the**happrox**command.

## OPTIONS

This program follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below.**-n***N*,**--number=***N*-
Stop the refinement process if the number of vertices is larger than
*N*. **-c***C*,**--cost=***C*-
Stop the refinement process if the cost of insertion of a vertex is smaller than
*C*. **-f**,**--flat**- Input is a flat file with three x,y,z columns (default is PGM file).
**-r***Z*,**--relative=***Z*-
Use relative height cost for all heights larger than
*Z*. **-k**,**--keep**- Keep enclosing triangle.
**-C**,**--closed**- Close the surface.
**-l**,**--log**- Log evolution of cost.
**-v**,**--verbose**- Display surface statistics.
**-h**,**--help**-
Display the help and exit.

## AUTHOR

happrox was written by Stephane Popinet <popinet [at] users.sourceforge.net>.This manual page was written by Ruben Molina <rmolina [at] udea.edu.co>, for the Debian project (but may be used by others).