/usr/include/dolfin/mesh/MeshTransformation.h is in libdolfin-dev 2017.2.0.post0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// 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: 2012-01-16
// Last changed: 2016-05-03
#ifndef __MESH_TRANSFORMATION_H
#define __MESH_TRANSFORMATION_H
namespace dolfin
{
class Mesh;
class Point;
/// This class implements various transformations of the coordinates
/// of a mesh.
class MeshTransformation
{
public:
/// Scale mesh coordinates with given factor.
///
/// *Arguments*
/// mesh (_Mesh_)
/// The mesh
/// factor (double)
/// The factor defining the scaling.
static void scale(Mesh& mesh, double factor);
/// Translate mesh according to a given vector.
///
/// @param mesh (Mesh)
/// The mesh
/// @param point (Point)
/// The vector defining the translation.
static void translate(Mesh& mesh, const Point& point);
/// Rescale mesh by a given scaling factor with respect to a center
/// point.
///
/// @param mesh (Mesh)
/// The mesh
/// @param scale (double)
/// The scaling factor.
/// @param center (Point)
/// The center of the scaling.
static void rescale(Mesh& mesh, const double scale, const Point& center);
/// Rotate mesh around a coordinate axis through center of mass
/// of all mesh vertices
///
/// @param mesh (Mesh)
/// The mesh.
/// @param angle (double)
/// The number of degrees (0-360) of rotation.
/// @param axis (std::size_t)
/// The coordinate axis around which to rotate the mesh.
static void rotate(Mesh& mesh, double angle, std::size_t axis);
/// Rotate mesh around a coordinate axis through a given point
///
/// @param mesh (Mesh)
/// The mesh.
/// @param angle (double)
/// The number of degrees (0-360) of rotation.
/// @param axis (std::size_t)
/// The coordinate axis around which to rotate the mesh.
/// @param p (Point)
/// The point around which to rotate the mesh.
static void rotate(Mesh& mesh, double angle, std::size_t axis,
const Point& p);
};
}
#endif
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