This is the command happrox that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
happrox - returns a simplified triangulation of a set of points using algorithm III of
Garland and Heckbert (1995).
happrox [OPTIONS] < [input.pgm|input] > output.gts
This manual page documents briefly the happrox command.
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.
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.
Keep enclosing triangle.
Close the surface.
Log evolution of cost.
Display surface statistics.
Display the help and exit.
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