/usr/include/openturns/Mesh.hxx is in libopenturns-dev 1.3-3.
This file is owned by root:root, with mode 0o644.
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/**
* @file Mesh.hxx
* @brief Mesh is defined as a collection of n-D vertices and simplices
*
* Copyright (C) 2005-2014 Airbus-EDF-Phimeca
*
* This library 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.
*
* This library 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
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* @author schueller
* @date 2012-04-18 17:56:46 +0200 (Wed, 18 Apr 2012)
*/
#ifndef OPENTURNS_MESH_HXX
#define OPENTURNS_MESH_HXX
#include "PersistentObject.hxx"
#include "Collection.hxx"
#include "PersistentCollection.hxx"
#include "NumericalPoint.hxx"
#include "Indices.hxx"
#include "SquareMatrix.hxx"
#include "IdentityMatrix.hxx"
#include "DomainImplementation.hxx"
#include "Graph.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class Mesh
*
* A class that holds a mesh
*/
class Mesh
: public DomainImplementation
{
CLASSNAME;
public:
typedef Collection< Indices > IndicesCollection;
typedef PersistentCollection< Indices > IndicesPersistentCollection;
/** Default constructor */
explicit Mesh(const UnsignedLong dimension = 1);
/** Parameters constructor */
Mesh(const NumericalSample & vertices,
const IndicesCollection & simplices);
/** Virtual constructor method */
virtual Mesh * clone() const;
/** Check if the given point is inside of the closed mesh */
Bool contains(const NumericalPoint & point) const;
/** Get the description of the vertices */
Description getDescription() const;
/** Get the number of vertices */
UnsignedLong getVerticesNumber() const;
/** Get the number of simplices */
UnsignedLong getSimplicesNumber() const;
/** Get the index of the nearest vertex */
UnsignedLong getNearestVertexIndex(const NumericalPoint & point) const;
/** Comparison operator */
Bool operator == (const Mesh & rhs) const;
/** Check mesh validity, i.e:
non-overlaping simplices,
no unused vertex,
no simplices with duplicate vertices,
no coincident vertices */
Bool isValid() const;
public:
/** Check if the given point is in the given simplex */
Bool checkPointInSimplex(const NumericalPoint & point,
const UnsignedLong index) const;
/** Vertices accessor */
NumericalSample getVertices() const;
void setVertices(const NumericalSample & vertices);
/** Vertex accessor */
NumericalPoint getVertex(const UnsignedLong index) const;
void setVertex(const UnsignedLong index,
const NumericalPoint & vertex);
/** Simplices accessor */
IndicesCollection getSimplices() const;
void setSimplices(const IndicesCollection & simplices);
/** Simplex accessor */
Indices getSimplex(const UnsignedLong index) const;
/** Compute the volume of a given simplex */
NumericalScalar computeSimplexVolume(const UnsignedLong index) const;
/** Tells if the mesh is regular */
Bool isRegular() const;
/** Drawing method */
Graph draw() const;
Graph draw1D() const;
Graph draw2D() const;
Graph draw3D(const Bool drawEdge = true,
const SquareMatrix & rotation = IdentityMatrix(3),
const Bool shading = false,
const NumericalScalar rho = 1.0) const;
/** String converter */
String __repr__() const;
String __str__(const String & offset = "") const;
/** Method save() stores the object through the StorageManager */
void save(Advocate & adv) const;
/** Method load() reloads the object from the StorageManager */
void load(Advocate & adv);
/** FreeFem mesh import */
static Mesh ImportFromMSHFile(const String & fileName);
/** VTK export */
String streamToVTKFormat() const;
void exportToVTKFile(const String & fileName) const;
protected:
// Build the affine matrix associated with a given simplex
SquareMatrix buildSimplexMatrix(const UnsignedLong index) const;
// Compute the total volume of the mesh
void computeVolume() const;
// An n-D mesh is a set of vertices with a topology described by a set of simplices
// The vertices
NumericalSample vertices_;
// The simplices
IndicesPersistentCollection simplices_;
}; /* class Mesh */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_MESH_HXX */
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