#  Copyright (c) 1997-2021
#  Ewgenij Gawrilow, Michael Joswig, and the polymake team
#  Technische Universität Berlin, Germany
#  https://polymake.org
#
#  This program is free software; you can redistribute it and/or modify it
#  under the terms of the GNU General Public License as published by the
#  Free Software Foundation; either version 2, or (at your option) any
#  later version: http://www.gnu.org/licenses/gpl.txt.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#-------------------------------------------------------------------------------

die "usage: polymake --script polytope::show_facets FILE\n" unless @ARGV;

my $p=$ARGV[0];
ref($p) or $p=load($p);
my @list=();

FACETS:
for (my $i=0; $i<$p->N_FACETS; ++$i) {
   my $facet=facet($p,$i,relabel=>1);
   foreach my $other_facet (@list) {
      next FACETS if isomorphic($facet, $other_facet);
   }
   $facet=project_full($facet);
   $facet->name="facet $i";
   push @list, $facet;
}

if ($p->DIM>5) {
   static($_->VISUAL_GRAPH) for @list;
} else {
   $_->VISUAL for @list;
}


# Local Variables:
# mode: perl
# c-basic-offset:3
# End:
