mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
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291 lines
9.2 KiB
C++
291 lines
9.2 KiB
C++
// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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// SMESH SMDS : implementaion of Salome mesh data structure
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// File: SMDS_QuadraticFaceOfNodes.cxx
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// Created: 16.01.06 17:12:58
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// Author: Sergey KUUL
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//
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#include "SMDS_QuadraticFaceOfNodes.hxx"
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#include "SMDS_SetIterator.hxx"
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#include "SMDS_IteratorOfElements.hxx"
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#include "SMDS_MeshNode.hxx"
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#include "SMDS_Mesh.hxx"
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#include "utilities.h"
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using namespace std;
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//=======================================================================
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//function : SMDS_QuadraticFaceOfNodes()
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//purpose : Constructor
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//=======================================================================
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SMDS_QuadraticFaceOfNodes::SMDS_QuadraticFaceOfNodes(const SMDS_MeshNode * n1,
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const SMDS_MeshNode * n2,
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const SMDS_MeshNode * n3,
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const SMDS_MeshNode * n12,
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const SMDS_MeshNode * n23,
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const SMDS_MeshNode * n31)
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{
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//MESSAGE("********************************************** SMDS_QuadraticFaceOfNodes 1");
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myNodes.resize( 6 );
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myNodes[ 0 ] = n1;
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myNodes[ 1 ] = n2;
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myNodes[ 2 ] = n3;
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myNodes[ 3 ] = n12;
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myNodes[ 4 ] = n23;
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myNodes[ 5 ] = n31;
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}
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//=======================================================================
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//function : SMDS_QuadraticFaceOfNodes()
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//purpose : Constructor
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//=======================================================================
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SMDS_QuadraticFaceOfNodes::SMDS_QuadraticFaceOfNodes(const SMDS_MeshNode * n1,
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const SMDS_MeshNode * n2,
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const SMDS_MeshNode * n3,
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const SMDS_MeshNode * n4,
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const SMDS_MeshNode * n12,
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const SMDS_MeshNode * n23,
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const SMDS_MeshNode * n34,
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const SMDS_MeshNode * n41)
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{
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//MESSAGE("********************************************* SMDS_QuadraticFaceOfNodes 2");
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myNodes.resize( 8 );
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myNodes[ 0 ] = n1;
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myNodes[ 1 ] = n2;
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myNodes[ 2 ] = n3;
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myNodes[ 3 ] = n4;
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myNodes[ 4 ] = n12;
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myNodes[ 5 ] = n23;
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myNodes[ 6 ] = n34;
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myNodes[ 7 ] = n41;
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}
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//=======================================================================
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//function : IsMediumNode
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//purpose :
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//=======================================================================
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bool SMDS_QuadraticFaceOfNodes::IsMediumNode(const SMDS_MeshNode * node) const
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{
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int i=NbNodes()/2;
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for(; i<NbNodes(); i++) {
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if(myNodes[i]==node) return true;
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}
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return false;
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}
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//=======================================================================
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//function : ChangeNodes
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//purpose :
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//=======================================================================
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bool SMDS_QuadraticFaceOfNodes::ChangeNodes(const SMDS_MeshNode* nodes[],
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const int nbNodes)
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{
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if( nbNodes==6 || nbNodes==8 ) {
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myNodes.resize(nbNodes);
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int i=0;
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for(; i<nbNodes; i++) {
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myNodes[i] = nodes[i];
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}
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return true;
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}
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return false;
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}
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//=======================================================================
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//function : NbNodes
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//purpose :
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//=======================================================================
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int SMDS_QuadraticFaceOfNodes::NbNodes() const
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{
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return myNodes.size();
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}
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//=======================================================================
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//function : NbEdges
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//purpose :
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//=======================================================================
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int SMDS_QuadraticFaceOfNodes::NbEdges() const
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{
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return NbNodes()/2;
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}
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//=======================================================================
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//function : NbFaces
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//purpose :
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//=======================================================================
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int SMDS_QuadraticFaceOfNodes::NbFaces() const
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{
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return 1;
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}
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//=======================================================================
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//function : Print
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//purpose :
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//=======================================================================
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void SMDS_QuadraticFaceOfNodes::Print(ostream & OS) const
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{
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OS << "quadratic face <" << GetID() << " > : ";
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int i, nbNodes = myNodes.size();
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for (i = 0; i < nbNodes - 1; i++)
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OS << myNodes[i] << ",";
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OS << myNodes[i] << ") " << endl;
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}
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namespace {
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//=======================================================================
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//class : _MyInterlacedNodeIterator
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//purpose :
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//=======================================================================
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class _MyInterlacedNodeIterator:public SMDS_NodeIterator
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{
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const vector<const SMDS_MeshNode *>& mySet;
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int myIndex;
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const int * myInterlace;
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public:
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_MyInterlacedNodeIterator(const vector<const SMDS_MeshNode *>& s,
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const int * interlace):
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mySet(s),myIndex(0),myInterlace(interlace) {}
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bool more()
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{
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return myIndex < mySet.size();
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}
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const SMDS_MeshNode* next()
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{
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return mySet[ myInterlace[ myIndex++ ]];
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}
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};
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//=======================================================================
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//class : _MyNodeIterator
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//purpose :
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//=======================================================================
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class _MyNodeIterator : public SMDS_NodeVectorElemIterator
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{
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public:
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_MyNodeIterator(const vector<const SMDS_MeshNode *>& s):
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SMDS_NodeVectorElemIterator( s.begin(), s.end() ) {}
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};
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}
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//=======================================================================
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//function : interlacedNodesIterator
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//purpose :
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//=======================================================================
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SMDS_NodeIteratorPtr SMDS_QuadraticFaceOfNodes::interlacedNodesIterator() const
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{
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static int triaInterlace [] = { 0, 3, 1, 4, 2, 5 };
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static int quadInterlace [] = { 0, 4, 1, 5, 2, 6, 3, 7 };
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return SMDS_NodeIteratorPtr
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(new _MyInterlacedNodeIterator (myNodes, myNodes.size()==6 ? triaInterlace : quadInterlace));
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}
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/// ===================================================================
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/*!
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* \brief Iterator on edges of face
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*/
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/// ===================================================================
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class _MyEdgeIterator : public SMDS_ElemIterator
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{
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vector< const SMDS_MeshElement* > myElems;
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int myIndex;
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public:
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_MyEdgeIterator(const SMDS_QuadraticFaceOfNodes* face):myIndex(0) {
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myElems.reserve( face->NbNodes() );
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SMDS_NodeIteratorPtr nIt = face->interlacedNodesIterator();
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const SMDS_MeshNode* n0 = face->GetNodeWrap( -1 );
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while ( nIt->more() ) {
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const SMDS_MeshNode* n1 = nIt->next();
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const SMDS_MeshElement* edge = SMDS_Mesh::FindEdge( n0, n1 );
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if ( edge )
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myElems.push_back( edge );
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n0 = n1;
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}
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}
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/// Return true if and only if there are other object in this iterator
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virtual bool more() { return myIndex < myElems.size(); }
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/// Return the current object and step to the next one
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virtual const SMDS_MeshElement* next() { return myElems[ myIndex++ ]; }
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};
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//=======================================================================
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//function : elementsIterator
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//purpose :
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//=======================================================================
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SMDS_ElemIteratorPtr SMDS_QuadraticFaceOfNodes::elementsIterator
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(SMDSAbs_ElementType type) const
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{
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switch(type)
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{
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case SMDSAbs_Face:
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return SMDS_MeshElement::elementsIterator(SMDSAbs_Face);
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case SMDSAbs_Node:
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return SMDS_ElemIteratorPtr(new _MyNodeIterator(myNodes));
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case SMDSAbs_Edge:
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return SMDS_ElemIteratorPtr(new _MyEdgeIterator( this ));
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break;
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default:
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return SMDS_ElemIteratorPtr
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(new SMDS_IteratorOfElements
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(this,type,SMDS_ElemIteratorPtr (new _MyNodeIterator(myNodes))));
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}
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return SMDS_ElemIteratorPtr();
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}
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/*!
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* \brief Return node by its index
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* \param ind - node index
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* \retval const SMDS_MeshNode* - the node
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*/
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const SMDS_MeshNode* SMDS_QuadraticFaceOfNodes::GetNode(const int ind) const
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{
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return myNodes[ ind ];
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}
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SMDSAbs_EntityType SMDS_QuadraticFaceOfNodes::GetEntityType() const
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{
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return NbNodes() == 6 ? SMDSEntity_Quad_Triangle : SMDSEntity_Quad_Quadrangle;
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}
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