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


       happrox [OPTION]...<[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.

       -f, --flat
              Input is a flat file with three x,y,z columns  (default  is  PGM

       -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.


       happrox        was        written       by       Stephane       Popinet

       This manual page was written by Ruben Molina <>, for
       the Debian project (but may be used by others).

                                 June 2, 2008                       happrox(1)