mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
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264 lines
8.6 KiB
C++
264 lines
8.6 KiB
C++
// Copyright (C) 2007-2008 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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//
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#ifdef _MSC_VER
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#pragma warning(disable:4786)
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#endif
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#include "SMDS_PolyhedralVolumeOfNodes.hxx"
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#include "SMDS_MeshNode.hxx"
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#include "SMDS_SetIterator.hxx"
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#include "SMDS_VolumeTool.hxx"
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#include "utilities.h"
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#include <set>
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using namespace std;
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//=======================================================================
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//function : Constructor
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//purpose : Create a volume of many faces
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//=======================================================================
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SMDS_PolyhedralVolumeOfNodes::SMDS_PolyhedralVolumeOfNodes
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(vector<const SMDS_MeshNode *> nodes,
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vector<int> quantities)
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: SMDS_VolumeOfNodes(NULL, NULL, NULL, NULL)
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{
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ChangeNodes(nodes, quantities);
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}
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//=======================================================================
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//function : GetType
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//purpose :
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//=======================================================================
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SMDSAbs_ElementType SMDS_PolyhedralVolumeOfNodes::GetType() const
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{
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// return SMDSAbs_PolyhedralVolume;
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return SMDSAbs_Volume;
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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_PolyhedralVolumeOfNodes::ChangeNodes (const vector<const SMDS_MeshNode *>& nodes,
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const vector<int>& quantities)
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{
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myNodesByFaces = nodes;
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myQuantities = quantities;
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// Init fields of parent class, it allows to get only unique nodes(?)
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set<const SMDS_MeshNode *> aSet;
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aSet.insert( nodes.begin(), nodes.end());
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//SMDS_VolumeOfNodes::ChangeNodes(aNodes, aNbNodes);
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delete [] myNodes;
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myNbNodes = aSet.size();
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myNodes = new const SMDS_MeshNode* [myNbNodes];
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set<const SMDS_MeshNode *>::iterator anIter = aSet.begin();
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for (int k=0; anIter != aSet.end(); anIter++, k++)
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myNodes[k] = *anIter;
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return true;
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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_PolyhedralVolumeOfNodes::NbNodes() const
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{
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return myNodesByFaces.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_PolyhedralVolumeOfNodes::NbEdges() const
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{
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int nbEdges = 0;
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for (int ifa = 0; ifa < myQuantities.size(); ifa++) {
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nbEdges += myQuantities[ifa];
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}
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nbEdges /= 2;
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return nbEdges;
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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_PolyhedralVolumeOfNodes::NbFaces() const
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{
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return myQuantities.size();
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}
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//=======================================================================
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//function : NbFaceNodes
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//purpose :
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//=======================================================================
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int SMDS_PolyhedralVolumeOfNodes::NbFaceNodes (const int face_ind) const
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{
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if (face_ind < 1 || myQuantities.size() < face_ind)
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return 0;
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return myQuantities[face_ind - 1];
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}
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//=======================================================================
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//function : GetFaceNode
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//purpose :
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//=======================================================================
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const SMDS_MeshNode* SMDS_PolyhedralVolumeOfNodes::GetFaceNode (const int face_ind,
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const int node_ind) const
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{
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if (node_ind < 1 || NbFaceNodes(face_ind) < node_ind)
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return NULL;
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int i, first_node = 0;
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for (i = 0; i < face_ind - 1; i++) {
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first_node += myQuantities[i];
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}
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return myNodesByFaces[first_node + node_ind - 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_PolyhedralVolumeOfNodes::Print (ostream & OS) const
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{
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OS << "polyhedral volume <" << GetID() << "> : ";
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int faces_len = myQuantities.size();
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//int nodes_len = myNodesByFaces.size();
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int cur_first_node = 0;
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int i, j;
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for (i = 0; i < faces_len; i++) {
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OS << "face_" << i << " (";
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for (j = 0; j < myQuantities[i] - 1; j++) {
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OS << myNodesByFaces[cur_first_node + j] << ",";
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}
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OS << myNodesByFaces[cur_first_node + j] << ") ";
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cur_first_node += myQuantities[i];
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}
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}
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//=======================================================================
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//function : ChangeNodes
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//purpose : usage disabled
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//=======================================================================
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bool SMDS_PolyhedralVolumeOfNodes::ChangeNodes (const SMDS_MeshNode* nodes[],
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const int nbNodes)
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{
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return false;
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}
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/// ===================================================================
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/*!
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* \brief Iterator on node of volume
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*/
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/// ===================================================================
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struct _MyIterator:public SMDS_NodeVectorElemIterator
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{
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_MyIterator(const vector<const SMDS_MeshNode *>& nodes):
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SMDS_NodeVectorElemIterator( nodes.begin(), nodes.end()) {}
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};
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/// ===================================================================
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/*!
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* \brief Iterator on faces or edges of volume
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*/
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/// ===================================================================
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class _MySubIterator : 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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_MySubIterator(const SMDS_MeshVolume* vol, SMDSAbs_ElementType type):myIndex(0) {
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SMDS_VolumeTool vTool(vol);
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if (type == SMDSAbs_Face)
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vTool.GetAllExistingFaces( myElems );
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else
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vTool.GetAllExistingEdges( myElems );
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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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/*!
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* \brief Return Iterator of sub elements
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*/
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//================================================================================
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SMDS_ElemIteratorPtr SMDS_PolyhedralVolumeOfNodes::elementsIterator(SMDSAbs_ElementType type) const
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{
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switch(type)
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{
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case SMDSAbs_Volume:
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return SMDS_MeshElement::elementsIterator(SMDSAbs_Volume);
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case SMDSAbs_Node:
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return SMDS_ElemIteratorPtr(new _MyIterator(myNodesByFaces));
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case SMDSAbs_Face:
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return SMDS_ElemIteratorPtr(new _MySubIterator(this,SMDSAbs_Face));
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case SMDSAbs_Edge:
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return SMDS_ElemIteratorPtr(new _MySubIterator(this,SMDSAbs_Edge));
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default:
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MESSAGE("ERROR : Iterator not implemented");
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return SMDS_ElemIteratorPtr((SMDS_ElemIterator*)NULL);
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}
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}
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//================================================================================
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/*!
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* \brief Return iterator on unique nodes
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*/
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//================================================================================
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SMDS_ElemIteratorPtr SMDS_PolyhedralVolumeOfNodes::uniqueNodesIterator() const
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{
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return SMDS_ElemIteratorPtr
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(new SMDS_NodeArrayElemIterator( myNodes, & myNodes[ myNbNodes ]));
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}
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//================================================================================
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/*!
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* \brief Return node by its index
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*/
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//================================================================================
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const SMDS_MeshNode* SMDS_PolyhedralVolumeOfNodes::GetNode(const int ind) const
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{
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return myNodesByFaces[ WrappedIndex( ind )];
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}
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