/usr/include/dolfin/generation/PolyhedronUtils.h is in libdolfin-dev 1.4.0+dfsg-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | // Copyright (C) 2012 Benjamin Kehlet
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// First added: 2012-10-31
// Last changed: 2012-11-14
// Some utilities for working with cgal polyhedrons
#ifndef __POLYHEDRON_UTILS_H
#define __POLYHEDRON_UTILS_H
#ifdef HAS_CGAL
#include "cgal_csg3d.h"
#include "self_intersect.h"
// This file should be be included in any other header files to avoid
// CGAL leaking into the DOLFIN code.
namespace dolfin
{
class PolyhedronUtils
{
public:
static void readSurfaceFile(std::string filename,
csg::Exact_Polyhedron_3& p);
static void readSTLFile(std::string filename, csg::Exact_Polyhedron_3& p);
static CGAL::Bbox_3 getBoundingBox(csg::Polyhedron_3& polyhedron);
static double getBoundingSphereRadius(csg::Polyhedron_3& polyhedron);
static bool has_degenerate_facets(csg::Exact_Polyhedron_3& p,
double threshold);
static void remove_degenerate_facets(csg::Exact_Polyhedron_3& p,
const double threshold);
template <typename Polyhedron>
bool has_self_intersections(Polyhedron& p)
{
typedef typename Polyhedron::Triangle_3 Triangle;
typedef typename std::back_insert_iterator<std::list<Triangle> > OutputIterator;
std::list<Triangle> triangles; // intersecting triangles
::self_intersect<Polyhedron::Polyhedron_3, Polyhedron::Kernel,
OutputIterator>(p, std::back_inserter(triangles));
return triangles.size() > 0;
}
};
}
#endif
#endif
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