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# Copyright (c) 1997-2015
# Ewgenij Gawrilow, Michael Joswig (Technische Universitaet Berlin, Germany)
# http://www.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 -----------------------------------------
###############################################################################
#
# Visual::Polygon - a flat polygon embedded in R^2 or R^3
#
package Visual::Polygon;
use Polymake::Struct (
[ '@ISA' => 'PointSet' ],
# the proper cyclic drawing order of Vertices
[ '$Facet' => '#%', default => 'undef' ],
# "R G B" to fill the inner area
[ '$FacetColor' => 'get_RGB(#%)', default => '$Visual::Color::facets' ],
[ '$FacetTransparency' => '#%', default => 'undef' ],
[ '$FacetNormals' => '#%', default => 'undef' ],
# "hidden"
[ '$FacetStyle' => '#%', default => 'undef' ],
# "R G B" the facet borders
[ '$EdgeColor' => 'get_RGB(#%)', default => '$Visual::Color::edges' ],
[ '$EdgeThickness' => '#%', default => 'undef' ],
# "hidden"
[ '$EdgeStyle' => '#%', default => 'undef' ],
[ '$NEdges' => '#%' ],
);
sub Facets : method {
my $self=shift;
[ $self->Facet // [ 0..$#{$self->Vertices} ] ]
}
sub Closed { 0 }
sub FacetLabels { undef }
sub FacetNeighbors { undef }
sub n_edges {scalar(@{(shift)->Vertices}) }
package Visual::DegeneratedPolygon;
use Polymake::Struct (
[ '@ISA' => 'Polygon' ],
);
sub new {
bless [ @{(pop)} ];
}
# make it compatible to Visual::Wire
sub all_edges {
return new Wire::EdgeIterator([ [0,1] ]);
}
1
# Local Variables:
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
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