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# Copyright (c) 1997-2020
# 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.
#-------------------------------------------------------------------------------
###############################################################################
#
# Visual::Polygons - a collection of polygons sharing the same vertex set
# and making up a single geometric object
# (this makes a difference for some visualizers, esp. javaview.)
package Visual::Polygons;
use Polymake::Struct (
[ '@ISA' => 'PointSet' ],
[ '$Facets' => 'check_points(#%)', default => 'croak("Facets missing")' ],
[ '$FacetNormals' => '#%', default => 'undef' ],
[ '$FacetNeighbors' => '#%', default => 'undef' ],
[ '$FacetLabels' => 'unify_labels(#%)', default => '"hidden"' ],
[ '$FacetColor' => 'unify_decor(#%)', merge => 'unify_decor(#%)', default => '$Visual::Color::facets' ],
[ '$FacetTransparency' => 'unify_decor(#%)', merge => 'unify_decor(#%)', default => 'undef' ],
[ '$FacetStyle' => 'unify_decor(#%)', merge => 'unify_decor(#%)', default => 'undef' ],
[ '$EdgeColor' => 'get_RGB(#%)', default => '$Visual::Color::edges' ],
[ '$EdgeThickness' => '#%', default => 'undef' ],
[ '$EdgeStyle' => '#%', default => 'undef' ],
[ '$Closed' => '#%', default => 'defined($this->FacetNeighbors) && $this->Dim==3' ],
[ '$NEdges' => '#%', default => 'croak("NEdges missing")' ],
);
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# End:
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