mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-11-15 18:18:34 +05:00
271 lines
8.1 KiB
C++
271 lines
8.1 KiB
C++
// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
|
|
//
|
|
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
|
|
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
|
|
//
|
|
// 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 2.1 of the License.
|
|
//
|
|
// 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
|
|
// License along with this library; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
//
|
|
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
|
|
//
|
|
// SMESH SMDS : implementaion of Salome mesh data structure
|
|
// File : SMDS_VolumeTool.hxx
|
|
// Module : SMESH
|
|
// Created : Tue Jul 13 11:27:17 2004
|
|
// Author : Edward AGAPOV (eap)
|
|
//
|
|
#ifndef SMDS_VolumeTool_HeaderFile
|
|
#define SMDS_VolumeTool_HeaderFile
|
|
|
|
#include "SMESH_SMDS.hxx"
|
|
|
|
class SMDS_MeshElement;
|
|
class SMDS_MeshNode;
|
|
class SMDS_PolyhedralVolumeOfNodes;
|
|
class SMDS_MeshVolume;
|
|
|
|
#include <vector>
|
|
#include <set>
|
|
|
|
// =========================================================================
|
|
//
|
|
// Class providing topological and other information about SMDS_MeshVolume:
|
|
// allows iteration on faces or, to be precise, on nodes of volume sides;
|
|
// provides info on nodes connection etc.
|
|
//
|
|
// =========================================================================
|
|
|
|
class SMDS_EXPORT SMDS_VolumeTool
|
|
{
|
|
public:
|
|
|
|
enum VolumeType { UNKNOWN = -1, TETRA = 0, PYRAM, PENTA, HEXA, QUAD_TETRA,
|
|
QUAD_PYRAM, QUAD_PENTA, QUAD_HEXA, POLYHEDA };
|
|
|
|
SMDS_VolumeTool ();
|
|
~SMDS_VolumeTool ();
|
|
SMDS_VolumeTool (const SMDS_MeshElement* theVolume);
|
|
|
|
bool Set (const SMDS_MeshElement* theVolume);
|
|
// Set volume.
|
|
// Return false if theVolume is not of type SMDSAbs_Volume
|
|
|
|
const SMDS_MeshVolume* Get() const;
|
|
// return element
|
|
|
|
int ID() const;
|
|
// return element ID
|
|
|
|
// -----------------------
|
|
// general info
|
|
// -----------------------
|
|
|
|
VolumeType GetVolumeType() const;
|
|
|
|
bool IsForward() const { return myVolForward; }
|
|
// Check volume orientation. can be changed by Inverse().
|
|
// See node order of forward volumes at the file bottom
|
|
|
|
void Inverse();
|
|
// Change nodes order as if the volume changes its orientation:
|
|
// top and bottom faces are reversed.
|
|
// Result of IsForward() and methods returning nodes change
|
|
|
|
const SMDS_MeshNode** GetNodes() { return myVolumeNodes; }
|
|
// Return array of volume nodes
|
|
|
|
int NbNodes() { return myVolumeNbNodes; }
|
|
// Return array of volume nodes
|
|
|
|
double GetSize() const;
|
|
// Return element volume
|
|
|
|
bool GetBaryCenter (double & X, double & Y, double & Z) const;
|
|
|
|
|
|
// -----------------------
|
|
// info on node connection
|
|
// -----------------------
|
|
|
|
bool IsLinked (const SMDS_MeshNode* theNode1,
|
|
const SMDS_MeshNode* theNode2) const;
|
|
// Return true if theNode1 is linked with theNode2.
|
|
|
|
bool IsLinked (const int theNode1Index,
|
|
const int theNode2Index) const;
|
|
// Return true if the node with theNode1Index is linked
|
|
// with the node with theNode2Index
|
|
|
|
int GetNodeIndex(const SMDS_MeshNode* theNode) const;
|
|
// Return an index of theNode
|
|
|
|
int GetAllExistingEdges(std::vector<const SMDS_MeshElement*> & edges) const;
|
|
// Fill vector with boundary edges existing in the mesh
|
|
|
|
// -------------
|
|
// info on faces
|
|
// -------------
|
|
|
|
void SetExternalNormal ();
|
|
// Node order in faces will be so that faces normals are external.
|
|
|
|
int NbFaces() const { return myNbFaces; }
|
|
// Return number of faces of the volume. In the following
|
|
// methods 0 <= faceIndex < NbFaces()
|
|
|
|
int NbFaceNodes( int faceIndex );
|
|
// Return number of nodes in the array of face nodes
|
|
|
|
const int* GetFaceNodesIndices( int faceIndex );
|
|
// Return the array of face nodes indices
|
|
// To comfort link iteration, the array
|
|
// length == NbFaceNodes( faceIndex ) + 1 and
|
|
// the last node index == the first one.
|
|
|
|
const SMDS_MeshNode** GetFaceNodes( int faceIndex );
|
|
// Return the array of face nodes.
|
|
// To comfort link iteration, the array
|
|
// length == NbFaceNodes( faceIndex ) + 1 and
|
|
// the last node == the first one.
|
|
// WARNING: do not modify the array, some methods
|
|
// work basing on its contents
|
|
|
|
bool GetFaceNodes (int faceIndex,
|
|
std::set<const SMDS_MeshNode*>& theFaceNodes );
|
|
// Return a set of face nodes.
|
|
|
|
bool IsFaceExternal( int faceIndex );
|
|
// Check normal orientation of a face.
|
|
// SetExternalNormal() is taken into account.
|
|
|
|
bool IsFreeFace( int faceIndex );
|
|
// Check that all volumes built on the face nodes lays on one side
|
|
|
|
bool GetFaceNormal (int faceIndex, double & X, double & Y, double & Z);
|
|
// Return a normal to a face
|
|
|
|
double GetFaceArea( int faceIndex );
|
|
// Return face area
|
|
|
|
int GetOppFaceIndex( int faceIndex ) const;
|
|
// Return index of the opposite face if it exists, else -1.
|
|
|
|
int GetFaceIndex( const std::set<const SMDS_MeshNode*>& theFaceNodes );
|
|
// Return index of a face formed by theFaceNodes.
|
|
// Return -1 if a face not found
|
|
|
|
//int GetFaceIndex( const std::set<int>& theFaceNodesIndices );
|
|
// Return index of a face formed by theFaceNodesIndices
|
|
// Return -1 if a face not found
|
|
|
|
int GetAllExistingFaces(std::vector<const SMDS_MeshElement*> & faces);
|
|
// Fill vector with boundary faces existing in the mesh
|
|
|
|
// ------------------------
|
|
// static methods for faces
|
|
// ------------------------
|
|
|
|
static VolumeType GetType(int nbNodes);
|
|
// return VolumeType by nb of nodes in a volume
|
|
|
|
static int NbFaces( VolumeType type );
|
|
// return nb of faces by volume type
|
|
|
|
static const int* GetFaceNodesIndices(VolumeType type,
|
|
int faceIndex,
|
|
bool external);
|
|
// Return the array of face nodes indices
|
|
// To comfort link iteration, the array
|
|
// length == NbFaceNodes( faceIndex ) + 1 and
|
|
// the last node index == the first one.
|
|
|
|
static int NbFaceNodes(VolumeType type,
|
|
int faceIndex );
|
|
// Return number of nodes in the array of face nodes
|
|
|
|
static int NbCornerNodes(VolumeType type);
|
|
// Useful to know nb of corner nodes of a quadratic volume
|
|
|
|
private:
|
|
|
|
bool setFace( int faceIndex );
|
|
|
|
const SMDS_MeshElement* myVolume;
|
|
const SMDS_PolyhedralVolumeOfNodes* myPolyedre;
|
|
|
|
bool myVolForward;
|
|
int myNbFaces;
|
|
int myVolumeNbNodes;
|
|
const SMDS_MeshNode** myVolumeNodes;
|
|
|
|
bool myExternalFaces;
|
|
|
|
int myCurFace;
|
|
int myFaceNbNodes;
|
|
int* myFaceNodeIndices;
|
|
const SMDS_MeshNode** myFaceNodes;
|
|
|
|
};
|
|
#endif
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// ORDER OF NODES OF FORWARD ELEMENT
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
/*
|
|
// N3
|
|
// +
|
|
// /|\
|
|
// / | \
|
|
// / | \
|
|
// N0 +---|---+ N1 TETRAHEDRON
|
|
// \ | /
|
|
// \ | /
|
|
// \ | /
|
|
// \|/
|
|
// +
|
|
// N2
|
|
|
|
// + N4
|
|
// /|\
|
|
// / | \
|
|
// / | \
|
|
// / | \
|
|
// N3 +---------+ N5
|
|
// | | |
|
|
// | + N1 |
|
|
// | / \ | PENTAHEDRON
|
|
// | / \ |
|
|
// | / \ |
|
|
// |/ \|
|
|
// N0 +---------+ N2
|
|
|
|
// N5+----------+N6
|
|
// /| /|
|
|
// / | / |
|
|
// / | / |
|
|
// N4+----------+N7 |
|
|
// | | | | HEXAHEDRON
|
|
// | | | |
|
|
// | | | |
|
|
// | N1+------|---+N2
|
|
// | / | /
|
|
// | / | /
|
|
// |/ |/
|
|
// N0+----------+N3
|
|
//
|
|
*/
|