smesh/src/SMDS/SMDS_QuadraticFaceOfNodes.cxx

291 lines
9.2 KiB
C++

// Copyright (C) 2007-2013 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_QuadraticFaceOfNodes.cxx
// Created: 16.01.06 17:12:58
// Author: Sergey KUUL
//
#include "SMDS_QuadraticFaceOfNodes.hxx"
#include "SMDS_SetIterator.hxx"
#include "SMDS_IteratorOfElements.hxx"
#include "SMDS_MeshNode.hxx"
#include "SMDS_Mesh.hxx"
#include "utilities.h"
using namespace std;
//=======================================================================
//function : SMDS_QuadraticFaceOfNodes()
//purpose : Constructor
//=======================================================================
SMDS_QuadraticFaceOfNodes::SMDS_QuadraticFaceOfNodes(const SMDS_MeshNode * n1,
const SMDS_MeshNode * n2,
const SMDS_MeshNode * n3,
const SMDS_MeshNode * n12,
const SMDS_MeshNode * n23,
const SMDS_MeshNode * n31)
{
//MESSAGE("********************************************** SMDS_QuadraticFaceOfNodes 1");
myNodes.resize( 6 );
myNodes[ 0 ] = n1;
myNodes[ 1 ] = n2;
myNodes[ 2 ] = n3;
myNodes[ 3 ] = n12;
myNodes[ 4 ] = n23;
myNodes[ 5 ] = n31;
}
//=======================================================================
//function : SMDS_QuadraticFaceOfNodes()
//purpose : Constructor
//=======================================================================
SMDS_QuadraticFaceOfNodes::SMDS_QuadraticFaceOfNodes(const SMDS_MeshNode * n1,
const SMDS_MeshNode * n2,
const SMDS_MeshNode * n3,
const SMDS_MeshNode * n4,
const SMDS_MeshNode * n12,
const SMDS_MeshNode * n23,
const SMDS_MeshNode * n34,
const SMDS_MeshNode * n41)
{
//MESSAGE("********************************************* SMDS_QuadraticFaceOfNodes 2");
myNodes.resize( 8 );
myNodes[ 0 ] = n1;
myNodes[ 1 ] = n2;
myNodes[ 2 ] = n3;
myNodes[ 3 ] = n4;
myNodes[ 4 ] = n12;
myNodes[ 5 ] = n23;
myNodes[ 6 ] = n34;
myNodes[ 7 ] = n41;
}
//=======================================================================
//function : IsMediumNode
//purpose :
//=======================================================================
bool SMDS_QuadraticFaceOfNodes::IsMediumNode(const SMDS_MeshNode * node) const
{
int i=NbNodes()/2;
for(; i<NbNodes(); i++) {
if(myNodes[i]==node) return true;
}
return false;
}
//=======================================================================
//function : ChangeNodes
//purpose :
//=======================================================================
bool SMDS_QuadraticFaceOfNodes::ChangeNodes(const SMDS_MeshNode* nodes[],
const int nbNodes)
{
if( nbNodes==6 || nbNodes==8 ) {
myNodes.resize(nbNodes);
int i=0;
for(; i<nbNodes; i++) {
myNodes[i] = nodes[i];
}
return true;
}
return false;
}
//=======================================================================
//function : NbNodes
//purpose :
//=======================================================================
int SMDS_QuadraticFaceOfNodes::NbNodes() const
{
return myNodes.size();
}
//=======================================================================
//function : NbEdges
//purpose :
//=======================================================================
int SMDS_QuadraticFaceOfNodes::NbEdges() const
{
return NbNodes()/2;
}
//=======================================================================
//function : NbFaces
//purpose :
//=======================================================================
int SMDS_QuadraticFaceOfNodes::NbFaces() const
{
return 1;
}
//=======================================================================
//function : Print
//purpose :
//=======================================================================
void SMDS_QuadraticFaceOfNodes::Print(ostream & OS) const
{
OS << "quadratic face <" << GetID() << " > : ";
int i, nbNodes = myNodes.size();
for (i = 0; i < nbNodes - 1; i++)
OS << myNodes[i] << ",";
OS << myNodes[i] << ") " << endl;
}
namespace {
//=======================================================================
//class : _MyInterlacedNodeIterator
//purpose :
//=======================================================================
class _MyInterlacedNodeIterator:public SMDS_NodeIterator
{
const vector<const SMDS_MeshNode *>& mySet;
int myIndex;
const int * myInterlace;
public:
_MyInterlacedNodeIterator(const vector<const SMDS_MeshNode *>& s,
const int * interlace):
mySet(s),myIndex(0),myInterlace(interlace) {}
bool more()
{
return myIndex < mySet.size();
}
const SMDS_MeshNode* next()
{
return mySet[ myInterlace[ myIndex++ ]];
}
};
//=======================================================================
//class : _MyNodeIterator
//purpose :
//=======================================================================
class _MyNodeIterator : public SMDS_NodeVectorElemIterator
{
public:
_MyNodeIterator(const vector<const SMDS_MeshNode *>& s):
SMDS_NodeVectorElemIterator( s.begin(), s.end() ) {}
};
}
//=======================================================================
//function : interlacedNodesIterator
//purpose :
//=======================================================================
SMDS_NodeIteratorPtr SMDS_QuadraticFaceOfNodes::interlacedNodesIterator() const
{
static int triaInterlace [] = { 0, 3, 1, 4, 2, 5 };
static int quadInterlace [] = { 0, 4, 1, 5, 2, 6, 3, 7 };
return SMDS_NodeIteratorPtr
(new _MyInterlacedNodeIterator (myNodes, myNodes.size()==6 ? triaInterlace : quadInterlace));
}
/// ===================================================================
/*!
* \brief Iterator on edges of face
*/
/// ===================================================================
class _MyEdgeIterator : public SMDS_ElemIterator
{
vector< const SMDS_MeshElement* > myElems;
int myIndex;
public:
_MyEdgeIterator(const SMDS_QuadraticFaceOfNodes* face):myIndex(0) {
myElems.reserve( face->NbNodes() );
SMDS_NodeIteratorPtr nIt = face->interlacedNodesIterator();
const SMDS_MeshNode* n0 = face->GetNodeWrap( -1 );
while ( nIt->more() ) {
const SMDS_MeshNode* n1 = nIt->next();
const SMDS_MeshElement* edge = SMDS_Mesh::FindEdge( n0, n1 );
if ( edge )
myElems.push_back( edge );
n0 = n1;
}
}
/// Return true if and only if there are other object in this iterator
virtual bool more() { return myIndex < myElems.size(); }
/// Return the current object and step to the next one
virtual const SMDS_MeshElement* next() { return myElems[ myIndex++ ]; }
};
//=======================================================================
//function : elementsIterator
//purpose :
//=======================================================================
SMDS_ElemIteratorPtr SMDS_QuadraticFaceOfNodes::elementsIterator
(SMDSAbs_ElementType type) const
{
switch(type)
{
case SMDSAbs_Face:
return SMDS_MeshElement::elementsIterator(SMDSAbs_Face);
case SMDSAbs_Node:
return SMDS_ElemIteratorPtr(new _MyNodeIterator(myNodes));
case SMDSAbs_Edge:
return SMDS_ElemIteratorPtr(new _MyEdgeIterator( this ));
break;
default:
return SMDS_ElemIteratorPtr
(new SMDS_IteratorOfElements
(this,type,SMDS_ElemIteratorPtr (new _MyNodeIterator(myNodes))));
}
return SMDS_ElemIteratorPtr();
}
/*!
* \brief Return node by its index
* \param ind - node index
* \retval const SMDS_MeshNode* - the node
*/
const SMDS_MeshNode* SMDS_QuadraticFaceOfNodes::GetNode(const int ind) const
{
return myNodes[ ind ];
}
SMDSAbs_EntityType SMDS_QuadraticFaceOfNodes::GetEntityType() const
{
return NbNodes() == 6 ? SMDSEntity_Quad_Triangle : SMDSEntity_Quad_Quadrangle;
}