+++ /dev/null
-// Copyright (C) 2005 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
-//
-//=============================================================================
-// File : NETGENPlugin_NETGEN_3D.cxx
-// Moved here from SMESH_NETGEN_3D.cxx
-// Created : lundi 27 Janvier 2003
-// Author : Nadir BOUHAMOU (CEA)
-// Project : SALOME
-// Copyright : CEA 2003
-// $Header$
-//=============================================================================
-using namespace std;
-
-#include "NETGENPlugin_NETGEN_3D.hxx"
-#include "SMESH_Gen.hxx"
-#include "SMESH_Mesh.hxx"
-
-#include "SMDS_MeshElement.hxx"
-#include "SMDS_MeshNode.hxx"
-#include "SMDS_FacePosition.hxx"
-
-#include <TopExp.hxx>
-#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
-#include <TopTools_ListOfShape.hxx>
-#include <TopTools_ListIteratorOfListOfShape.hxx>
-#include <TColStd_ListIteratorOfListOfInteger.hxx>
-
-#include <BRep_Tool.hxx>
-#include <Geom_Surface.hxx>
-#include <Geom_Curve.hxx>
-#include <Geom2d_Curve.hxx>
-
-#include "utilities.h"
-
-/*
- Netgen include files
-*/
-
-#include "nglib.h"
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-NETGENPlugin_NETGEN_3D::NETGENPlugin_NETGEN_3D(int hypId, int studyId,
- SMESH_Gen* gen)
- : SMESH_3D_Algo(hypId, studyId, gen)
-{
- MESSAGE("NETGENPlugin_NETGEN_3D::NETGENPlugin_NETGEN_3D");
- _name = "NETGEN_3D";
-// _shapeType = TopAbs_SOLID;
- _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID);// 1 bit /shape type
-// MESSAGE("_shapeType octal " << oct << _shapeType);
- _compatibleHypothesis.push_back("MaxElementVolume");
-
- _maxElementVolume = 0.;
-
- _hypMaxElementVolume = NULL;
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-NETGENPlugin_NETGEN_3D::~NETGENPlugin_NETGEN_3D()
-{
- MESSAGE("NETGENPlugin_NETGEN_3D::~NETGENPlugin_NETGEN_3D");
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-bool NETGENPlugin_NETGEN_3D::CheckHypothesis
- (SMESH_Mesh& aMesh,
- const TopoDS_Shape& aShape,
- SMESH_Hypothesis::Hypothesis_Status& aStatus)
-{
- MESSAGE("NETGENPlugin_NETGEN_3D::CheckHypothesis");
-
- _hypMaxElementVolume = NULL;
-
- list<const SMESHDS_Hypothesis*>::const_iterator itl;
- const SMESHDS_Hypothesis* theHyp;
-
- const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape);
- int nbHyp = hyps.size();
- if (!nbHyp)
- {
- aStatus = SMESH_Hypothesis::HYP_MISSING;
- return false; // can't work with no hypothesis
- }
-
- itl = hyps.begin();
- theHyp = (*itl); // use only the first hypothesis
-
- string hypName = theHyp->GetName();
- int hypId = theHyp->GetID();
- SCRUTE(hypName);
-
- bool isOk = false;
-
- if (hypName == "MaxElementVolume")
- {
- _hypMaxElementVolume = static_cast<const StdMeshers_MaxElementVolume*> (theHyp);
- ASSERT(_hypMaxElementVolume);
- _maxElementVolume = _hypMaxElementVolume->GetMaxVolume();
- isOk =true;
- aStatus = SMESH_Hypothesis::HYP_OK;
- }
- else
- aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
-
- return isOk;
-}
-
-//=============================================================================
-/*!
- *Here we are going to use the NETGEN mesher
- */
-//=============================================================================
-
-bool NETGENPlugin_NETGEN_3D::Compute(SMESH_Mesh& aMesh,
- const TopoDS_Shape& aShape)
-{
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute with maxElmentsize = " << _maxElementVolume);
-
- bool isOk = false;
- SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
- SMESH_subMesh* theSubMesh = aMesh.GetSubMesh(aShape);
- //const Handle(SMESHDS_SubMesh)& subMeshDS = theSubMesh->GetSubMeshDS();
-
- map<int, const SMDS_MeshNode*> netgenToDS;
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute Checking the mesh Faces");
-
- // check if all faces were meshed by a triangle mesher (here MESFISTO_2D)
-
- vector<SMESH_subMesh*> meshFaces;
- vector<TopoDS_Shape> shapeFaces;
-
- for (TopExp_Explorer exp(aShape,TopAbs_FACE);exp.More();exp.Next())
- {
- TopoDS_Shape aShapeFace = exp.Current();
- SMESH_subMesh* aSubMesh = aMesh.GetSubMeshContaining(exp.Current());
- ASSERT (aSubMesh);
- int internal_size = meshFaces.size();
- int index = 0;
- for (int i = 0;i<internal_size;i++)
- {
- if (aSubMesh == meshFaces[i]) index = 1;
- }
- if (index == 0) meshFaces.push_back(aSubMesh);
-
- internal_size = shapeFaces.size();
- index = 0;
- for (int i = 0;i<internal_size;i++)
- {
- if (aShapeFace == shapeFaces[i]) index = 1;
- }
- if (index == 0) shapeFaces.push_back(aShapeFace);
- }
-
- int numberOfFaces = meshFaces.size();
- int numberOfShapeFaces = shapeFaces.size();
-
- SCRUTE(numberOfFaces);
- SCRUTE(numberOfShapeFaces);
-
- MESSAGE("---");
-
- int NbTotOfTria = 0;
- int NbTotOfNodesFaces = 0;
-
- for (int i=0; i<numberOfFaces; i++)
- {
- TopoDS_Shape aShapeFace = meshFaces[i]->GetSubShape();
- TopoDS_Shape aFace = shapeFaces[i];
- SMESH_Algo* algoFace = _gen->GetAlgo(aMesh, aShapeFace);
- string algoFaceName = algoFace->GetName();
- SCRUTE(algoFaceName);
- if (algoFaceName != "MEFISTO_2D")
- {
- SCRUTE(algoFaceName);
- ASSERT(0);
- return false;
- }
-
- bool orientationMeshFace = (aFace.Orientation() == aShapeFace.Orientation());
-
- const SMESHDS_SubMesh* aSubMeshDSFace = meshFaces[i]->GetSubMeshDS();
- SCRUTE(aSubMeshDSFace);
-
- int nbNodes = aSubMeshDSFace->NbNodes();
- NbTotOfNodesFaces += nbNodes;
- int nbTria = aSubMeshDSFace->NbElements();
- NbTotOfTria += nbTria;
- int index = 0;
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute The mesh Face " << (i+1) << " has " << nbNodes << " face internal Nodes, " << nbTria << " triangles");
-
- SCRUTE(orientationMeshFace);
-
- if (orientationMeshFace)
- {
- MESSAGE("The mesh and face have the same orientation");
- }
- else
- {
- MESSAGE("The mesh and face have different orientations");
- }
-
- SMDS_NodeIteratorPtr iteratorNodes = aSubMeshDSFace->GetNodes();
- SCRUTE(nbNodes);
- index = 0;
- while(iteratorNodes->more())
- {
- index++;
- const SMDS_MeshNode * node = iteratorNodes->next();
-// int nodeId = node->GetID();
-// double nodeX = node->X();
-// double nodeY = node->Y();
-// double nodeZ = node->Z();
-// MESSAGE("NODE -> ID = " << nodeId << " X = " << nodeX << " Y = " << nodeY << " Z = " << nodeZ);
- }
-
- SCRUTE(index);
-
- SMDS_ElemIteratorPtr iteratorTriangle = aSubMeshDSFace->GetElements();
-
- SCRUTE(nbTria);
- index = 0;
- int numberOfDegeneratedTriangle = 0;
- while(iteratorTriangle->more())
- {
- index++;
- const SMDS_MeshElement * triangle = iteratorTriangle->next();
- int triangleId = triangle->GetID();
-
- SMDS_ElemIteratorPtr triangleNodesIt = triangle->nodesIterator();
-
- const SMDS_MeshNode * node1 = static_cast<const SMDS_MeshNode *>(triangleNodesIt->next());
- double node1X = node1->X();
- double node1Y = node1->Y();
- double node1Z = node1->Z();
-
- const SMDS_MeshNode * node2 = static_cast<const SMDS_MeshNode *>(triangleNodesIt->next());
- double node2X = node2->X();
- double node2Y = node2->Y();
- double node2Z = node2->Z();
-
- const SMDS_MeshNode * node3 = static_cast<const SMDS_MeshNode *>(triangleNodesIt->next());
- double node3X = node3->X();
- double node3Y = node3->Y();
- double node3Z = node3->Z();
-
- int triangleNode1 = node1->GetID();
- int triangleNode2 = node2->GetID();
- int triangleNode3 = node3->GetID();
-
- // Compute the triangle surface
-
- double vect1 = ((node2Y - node1Y)*(node3Z - node1Z) - (node2Z - node1Z)*(node3Y - node1Y));
- double vect2 = - ((node2X - node1X)*(node3Z - node1Z) - (node2Z - node1Z)*(node3X - node1X));
- double vect3 = ((node2X - node1X)*(node3Y - node1Y) - (node2Y - node1Y)*(node3X - node1X));
- double epsilon = 1.0e-6;
-
- bool triangleIsDegenerated = ((abs(vect1)<epsilon) && (abs(vect2)<epsilon) && (abs(vect3)<epsilon));
-
- if (triangleIsDegenerated)
- {
-// MESSAGE("TRIANGLE -> ID = " << triangleId << " N1 = " << triangleNode1 << " N2 = " << triangleNode2 << " N3 = " << triangleNode3 << " is degenerated");
-// MESSAGE("NODE -> ID = " << triangleNode1 << " X = " << node1X << " Y = " << node1Y << " Z = " << node1Z);
-// MESSAGE("NODE -> ID = " << triangleNode2 << " X = " << node2X << " Y = " << node2Y << " Z = " << node2Z);
-// MESSAGE("NODE -> ID = " << triangleNode3 << " X = " << node3X << " Y = " << node3Y << " Z = " << node3Z);
- numberOfDegeneratedTriangle++;
- }
- else
- {
-// MESSAGE("TRIANGLE -> ID = " << triangleId << " N1 = " << triangleNode1 << " N2 = " << triangleNode2 << " N3 = " << triangleNode3 << " is normal");
- }
- }
-
- if (numberOfDegeneratedTriangle > 0)
- MESSAGE("WARNING THERE IS(ARE) " << numberOfDegeneratedTriangle << " degenerated triangle on this face");
-
- SCRUTE(index);
- }
-
-
-
- SCRUTE(NbTotOfTria);
- SCRUTE(NbTotOfNodesFaces);
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute Checking the mesh Edges");
-
- // check if all edges were meshed by a edge mesher (here Regular_1D)
-
- vector<SMESH_subMesh*> meshEdges;
- for (TopExp_Explorer exp(aShape,TopAbs_EDGE);exp.More();exp.Next())
- {
- SMESH_subMesh* aSubMesh = aMesh.GetSubMeshContaining(exp.Current());
- ASSERT (aSubMesh);
- int internal_size = meshEdges.size();
- int index = 0;
- for (int i = 0;i<internal_size;i++)
- {
- if (aSubMesh == meshEdges[i]) index = 1;
- }
- if (index == 0) meshEdges.push_back(aSubMesh);
- }
-
- int numberOfEdges = meshEdges.size();
- SCRUTE(numberOfEdges);
-
- MESSAGE("---");
-
- int NbTotOfNodesEdges = 0;
- int NbTotOfSegs = 0;
-
- for (int i=0; i<numberOfEdges; i++)
- {
- TopoDS_Shape aShapeEdge = meshEdges[i]->GetSubShape();
- SMESH_Algo* algoEdge = _gen->GetAlgo(aMesh, aShapeEdge);
- string algoEdgeName = algoEdge->GetName();
- SCRUTE(algoEdgeName);
- if (algoEdgeName != "Regular_1D")
- {
- SCRUTE(algoEdgeName);
- ASSERT(0);
- return false;
- }
-
- const SMESHDS_SubMesh* aSubMeshDSEdge = meshEdges[i]->GetSubMeshDS();
- SCRUTE(aSubMeshDSEdge);
-
- int nbNodes = aSubMeshDSEdge->NbNodes();
- NbTotOfNodesEdges += nbNodes;
- int nbSegs = aSubMeshDSEdge->NbElements();
- NbTotOfSegs += nbSegs;
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute The mesh Edge " << (i+1) << " has " << nbNodes << " edge internal Nodes, " << nbSegs << " segments");
-
- SMDS_NodeIteratorPtr iteratorNodes = aSubMeshDSEdge->GetNodes();
- SCRUTE(nbNodes);
- int index = 0;
- while(iteratorNodes->more())
- {
- index++;
- const SMDS_MeshNode * node = iteratorNodes->next();
-// int nodeId = node->GetID();
-// double nodeX = node->X();
-// double nodeY = node->Y();
-// double nodeZ = node->Z();
-// MESSAGE("NODE -> ID = " << nodeId << " X = " << nodeX << " Y = " << nodeY << " Z = " << nodeZ);
- }
-
- SCRUTE(index);
- }
-
- SCRUTE(NbTotOfNodesEdges);
- SCRUTE(NbTotOfSegs);
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute Checking the mesh Vertices");
-
- vector<SMESH_subMesh*> meshVertices;
- for (TopExp_Explorer exp(aShape,TopAbs_VERTEX);exp.More();exp.Next())
- {
- SMESH_subMesh* aSubMesh = aMesh.GetSubMeshContaining(exp.Current());
- ASSERT (aSubMesh);
- int internal_size = meshVertices.size();
- int index = 0;
- for (int i = 0;i<internal_size;i++)
- {
- if (aSubMesh == meshVertices[i]) index = 1;
- }
- if (index == 0) meshVertices.push_back(aSubMesh);
- }
-
- int numberOfVertices = meshVertices.size();
- SCRUTE(numberOfVertices);
-
- MESSAGE("---");
-
- int NbTotOfNodesVertices = 0;
-
- for (int i=0; i<numberOfVertices; i++)
- {
- TopoDS_Shape aShapeVertex = meshVertices[i]->GetSubShape();
-
- const SMESHDS_SubMesh * aSubMeshDSVertex = meshVertices[i]->GetSubMeshDS();
- SCRUTE(aSubMeshDSVertex);
-
- int nbNodes = aSubMeshDSVertex->NbNodes();
- NbTotOfNodesVertices += nbNodes;
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute The mesh Vertex " << (i+1) << " has " << nbNodes << " Nodes");
-
- SMDS_NodeIteratorPtr iteratorNodes = aSubMeshDSVertex->GetNodes();
- SCRUTE(nbNodes);
- int index = 0;
- while(iteratorNodes->more())
- {
- index++;
- const SMDS_MeshNode * node = iteratorNodes->next();
-// int nodeId = node->GetID();
-// double nodeX = node->X();
-// double nodeY = node->Y();
-// double nodeZ = node->Z();
-// MESSAGE("NODE -> ID = " << nodeId << " X = " << nodeX << " Y = " << nodeY << " Z = " << nodeZ);
- }
-
- SCRUTE(index);
- }
-
- SCRUTE(NbTotOfNodesVertices);
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute --> Analysis of all shell mesh");
-
- vector<SMESH_subMesh*> meshShells;
- TopoDS_Shell aShell;
-
- for (TopExp_Explorer exp(aShape,TopAbs_SHELL);exp.More();exp.Next())
- {
- SMESH_subMesh* aSubMesh = aMesh.GetSubMesh(exp.Current());
- ASSERT(aSubMesh);
- SCRUTE(aSubMesh);
- aShell = TopoDS::Shell(exp.Current());
- meshShells.push_back(aSubMesh);
- }
-
- int numberOfShells = meshShells.size();
- SCRUTE(numberOfShells);
-
- if (numberOfShells == 1)
- {
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute Only one shell --> generation of the mesh using directly Netgen");
-
- /*
- Prepare the Netgen surface mesh from the SMESHDS
- */
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute Prepare the Netgen surface mesh from the SMESHDS");
-
- int spaceDimension = 3;
- int nbNodesByTri = 3;
- int nbNodesByTetra = 4;
-
- int Netgen_NbOfNodes = NbTotOfNodesFaces +
- NbTotOfNodesEdges +
- NbTotOfNodesVertices;
- int Netgen_NbOfTria = NbTotOfTria;
- int Netgen_param2ndOrder = 0;
- double Netgen_paramFine = 1.;
- double Netgen_paramSize = _maxElementVolume;
-
- SCRUTE(Netgen_NbOfNodes);
- SCRUTE(Netgen_NbOfTria);
-
- double * Netgen_Coordinates = new double [spaceDimension*
- Netgen_NbOfNodes];
- int * listNodeCoresNetgenSmesh = new int [Netgen_NbOfNodes];
- int * Netgen_Connectivity = new int [nbNodesByTri*Netgen_NbOfTria];
- double * Netgen_point = new double [spaceDimension];
- int * Netgen_triangle = new int [nbNodesByTri];
- int * Netgen_tetrahedron = new int [nbNodesByTetra];
-
- for (int i=0; i<Netgen_NbOfTria; i++)
- {
- for (int j=0; j<nbNodesByTri; j++)
- Netgen_Connectivity[i*nbNodesByTri+j] = 0;
- }
-
- double bigNumber = 1.e20;
-
- for (int i=0; i<Netgen_NbOfNodes; i++)
- {
- listNodeCoresNetgenSmesh[i] = 0;
- for (int j=0; j<spaceDimension; j++)
- Netgen_Coordinates[i*spaceDimension+j] = bigNumber;
- }
-
- int indexNodes = 0;
- for (int i=0; i<numberOfVertices; i++)
- {
- const SMESHDS_SubMesh * aSubMeshDSVertex =
- meshVertices[i]->GetSubMeshDS();
-
- SMDS_NodeIteratorPtr iteratorNodes = aSubMeshDSVertex->GetNodes();
-
- while(iteratorNodes->more())
- {
- const SMDS_MeshNode * node = iteratorNodes->next();
- int nodeId = node->GetID();
- double nodeX = node->X();
- double nodeY = node->Y();
- double nodeZ = node->Z();
-// MESSAGE("NODE -> ID = " << nodeId << " X = " << nodeX << " Y = " << nodeY << " Z = " << nodeZ);
- listNodeCoresNetgenSmesh[indexNodes] = nodeId;
- int index = indexNodes*spaceDimension;
- Netgen_Coordinates[index] = nodeX;
- Netgen_Coordinates[index+1] = nodeY;
- Netgen_Coordinates[index+2] = nodeZ;
- netgenToDS[indexNodes] = node;
- indexNodes++;
- }
- }
-
- for (int i=0; i<numberOfEdges; i++)
- {
- const SMESHDS_SubMesh * aSubMeshDSEdge =
- meshEdges[i]->GetSubMeshDS();
-
- SMDS_NodeIteratorPtr iteratorNodes = aSubMeshDSEdge->GetNodes();
-
- while(iteratorNodes->more())
- {
- const SMDS_MeshNode * node = iteratorNodes->next();
- int nodeId = node->GetID();
- double nodeX = node->X();
- double nodeY = node->Y();
- double nodeZ = node->Z();
-// MESSAGE("NODE -> ID = " << nodeId << " X = " << nodeX << " Y = " << nodeY << " Z = " << nodeZ);
- listNodeCoresNetgenSmesh[indexNodes] = node->GetID();
- int index = indexNodes*spaceDimension;
- Netgen_Coordinates[index] = node->X();
- Netgen_Coordinates[index+1] = node->Y();
- Netgen_Coordinates[index+2] = node->Z();
- netgenToDS[indexNodes] = node;
- indexNodes++;
- }
- }
-
- for (int i=0; i<numberOfFaces; i++)
- {
- const SMESHDS_SubMesh * aSubMeshDSFace =
- meshFaces[i]->GetSubMeshDS();
-
- SMDS_NodeIteratorPtr iteratorNodes = aSubMeshDSFace->GetNodes();
-
- while(iteratorNodes->more())
- {
- const SMDS_MeshNode * node = iteratorNodes->next();
- int nodeId = node->GetID();
- double nodeX = node->X();
- double nodeY = node->Y();
- double nodeZ = node->Z();
-// MESSAGE("NODE -> ID = " << nodeId << " X = " << nodeX << " Y = " << nodeY << " Z = " << nodeZ);
- listNodeCoresNetgenSmesh[indexNodes] = nodeId;
- int index = indexNodes*spaceDimension;
- Netgen_Coordinates[index] = nodeX;
- Netgen_Coordinates[index+1] = nodeY;
- Netgen_Coordinates[index+2] = nodeZ;
- netgenToDS[indexNodes] = node;
- indexNodes++;
- }
- }
-
- SCRUTE(indexNodes);
-
- for (int i=0; i<Netgen_NbOfNodes; i++)
- {
- ASSERT(listNodeCoresNetgenSmesh[i] != 0);
-
- for (int j=0; j<Netgen_NbOfNodes && j!=i; j++)
- ASSERT(listNodeCoresNetgenSmesh[i] != listNodeCoresNetgenSmesh[j]);
-
- for (int j=0; j<spaceDimension; j++)
- ASSERT(Netgen_Coordinates[i*spaceDimension+j] != bigNumber);
- }
-
- int indexTrias = 0;
- for (int i=0; i<numberOfFaces; i++)
- {
- const SMESHDS_SubMesh * aSubMeshDSFace =
- meshFaces[i]->GetSubMeshDS();
-
- TopoDS_Shape aFace = shapeFaces[i];
-
- SMDS_ElemIteratorPtr iteratorTriangle = aSubMeshDSFace->GetElements();
-
- TopoDS_Shape aShapeFace = meshFaces[i]->GetSubShape();
-
- bool orientationMeshFace = (aFace.Orientation() == aShapeFace.Orientation());
-
- SCRUTE(orientationMeshFace);
-
- if (orientationMeshFace)
- {
- MESSAGE("The mesh and face have the same orientation");
-
- while(iteratorTriangle->more())
- {
- const SMDS_MeshElement * triangle = iteratorTriangle->next();
- int triangleId = triangle->GetID();
-
- SMDS_ElemIteratorPtr triangleNodesIt = triangle->nodesIterator();
-
- int triangleNode1 = (triangleNodesIt->next())->GetID();
- int triangleNode2 = (triangleNodesIt->next())->GetID();
- int triangleNode3 = (triangleNodesIt->next())->GetID();
-
-// MESSAGE("TRIANGLE -> ID = " << triangleId << " N1 = " << triangleNode1 << " N2 = " << triangleNode2 << " N3 = " << triangleNode3);
-
- int N1New = 0;
- int N2New = 0;
- int N3New = 0;
- int index = indexTrias*nbNodesByTri;
-
- for (int j=0; j<Netgen_NbOfNodes; j++)
- {
- int jp1 = j+1;
-
- if (triangleNode1 == listNodeCoresNetgenSmesh[j])
- N1New = jp1;
- else if (triangleNode2 == listNodeCoresNetgenSmesh[j])
- N2New = jp1;
- else if (triangleNode3 == listNodeCoresNetgenSmesh[j])
- N3New = jp1;
- }
-
- triangleNode1 = N1New;
- triangleNode2 = N2New;
- triangleNode3 = N3New;
-
- Netgen_Connectivity[index] = triangleNode1;
- Netgen_Connectivity[index+1] = triangleNode2;
- Netgen_Connectivity[index+2] = triangleNode3;
-
- indexTrias++;
- }
- }
- else
- {
- MESSAGE("The mesh and face have different orientations");
-
- while(iteratorTriangle->more())
- {
- const SMDS_MeshElement * triangle = iteratorTriangle->next();
- int triangleId = triangle->GetID();
-
- SMDS_ElemIteratorPtr triangleNodesIt = triangle->nodesIterator();
-
- int triangleNode1 = (triangleNodesIt->next())->GetID();
- int triangleNode3 = (triangleNodesIt->next())->GetID();
- int triangleNode2 = (triangleNodesIt->next())->GetID();
-
-// MESSAGE("TRIANGLE -> ID = " << triangleId << " N1 = " << triangleNode1 << " N2 = " << triangleNode2 << " N3 = " << triangleNode3);
-
- int N1New = 0;
- int N2New = 0;
- int N3New = 0;
- int index = indexTrias*nbNodesByTri;
-
- for (int j=0; j<Netgen_NbOfNodes; j++)
- {
- int jp1 = j+1;
-
- if (triangleNode1 == listNodeCoresNetgenSmesh[j])
- N1New = jp1;
- else if (triangleNode2 == listNodeCoresNetgenSmesh[j])
- N2New = jp1;
- else if (triangleNode3 == listNodeCoresNetgenSmesh[j])
- N3New = jp1;
- }
-
- triangleNode1 = N1New;
- triangleNode2 = N2New;
- triangleNode3 = N3New;
-
- Netgen_Connectivity[index] = triangleNode1;
- Netgen_Connectivity[index+1] = triangleNode2;
- Netgen_Connectivity[index+2] = triangleNode3;
-
- indexTrias++;
- }
- }
- }
-
- SCRUTE(indexTrias);
-
- int * nodesUsed = new int[Netgen_NbOfNodes];
-
- for (int i=0; i<Netgen_NbOfNodes; i++) nodesUsed[i] = 0;
-
- for (int i=0; i<Netgen_NbOfTria; i++)
- for (int j=0; j<nbNodesByTri; j++)
- {
- int Nij = Netgen_Connectivity[i*nbNodesByTri+j];
-
- ASSERT((Nij>=1) && (Nij<=Netgen_NbOfNodes));
-
- nodesUsed[Nij-1] = 1;
- Netgen_Connectivity[i*nbNodesByTri+j] = Nij;
- }
-
- for (int i=0; i<Netgen_NbOfNodes; i++)
- {
- ASSERT(nodesUsed[i] != 0);
- }
-
- delete [] nodesUsed;
-
- /*
- Feed the Netgen surface mesh
- */
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute Feed the Netgen surface mesh");
-
- Ng_Mesh * Netgen_mesh;
-
- Ng_Init();
-
- Netgen_mesh = Ng_NewMesh();
-
- Ng_Meshing_Parameters Netgen_param;
-
- for (int i=0; i<Netgen_NbOfNodes; i++)
- {
- for (int j=0; j<spaceDimension; j++)
- Netgen_point[j] = Netgen_Coordinates[i*spaceDimension+j];
-
- Ng_AddPoint(Netgen_mesh, Netgen_point);
- }
-
- for (int i=0; i<Netgen_NbOfTria; i++)
- {
- for (int j=0; j<nbNodesByTri; j++)
- Netgen_triangle[j] = Netgen_Connectivity[i*nbNodesByTri+j];
-
- Ng_AddSurfaceElement(Netgen_mesh, NG_TRIG, Netgen_triangle);
- }
-
- SCRUTE(Netgen_paramSize);
-
- Netgen_param.secondorder = Netgen_param2ndOrder;
- Netgen_param.fineness = Netgen_paramFine;
- Netgen_param.maxh = Netgen_paramSize;
-
- /*
- Generate the volume mesh
- */
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute Generate the volume mesh");
-
- SCRUTE(Netgen_NbOfNodes);
- SCRUTE(Netgen_NbOfTria);
-
- SCRUTE(Ng_GetNP(Netgen_mesh));
- SCRUTE(Ng_GetNE(Netgen_mesh));
- SCRUTE(Ng_GetNSE(Netgen_mesh));
-
- ASSERT(Netgen_NbOfNodes == Ng_GetNP(Netgen_mesh));
- ASSERT(Ng_GetNE(Netgen_mesh) == 0);
- ASSERT(Netgen_NbOfTria == Ng_GetNSE(Netgen_mesh));
-
- Ng_Result status;
-
- status = Ng_GenerateVolumeMesh(Netgen_mesh, &Netgen_param);
-
- SCRUTE(status);
-
- int Netgen_NbOfNodesNew = Ng_GetNP(Netgen_mesh);
-
- int Netgen_NbOfTetra = Ng_GetNE(Netgen_mesh);
-
- SCRUTE(Netgen_NbOfNodesNew);
-
- SCRUTE(Netgen_NbOfTetra);
-
- if ((status != NG_OK) ||
- (Netgen_NbOfNodesNew <= Netgen_NbOfNodes) ||
- (Netgen_NbOfTetra <= 0))
- {
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute The Volume Mesh Generation has failed ...");
- SCRUTE(status);
-
- /*
- Free the memory needed by to generate the Netgen Mesh
- */
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute Free the memory needed by to generate the Netgen Mesh");
-
- delete [] Netgen_Coordinates;
- delete [] Netgen_Connectivity;
- delete [] Netgen_point;
- delete [] Netgen_triangle;
- delete [] Netgen_tetrahedron;
-
- delete [] listNodeCoresNetgenSmesh;
-
- Ng_DeleteMesh(Netgen_mesh);
- Ng_Exit();
-
- return false;
- }
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute End of Volume Mesh Generation");
- SCRUTE(status);
-
- double * Netgen_CoordinatesNew = new double [spaceDimension*Netgen_NbOfNodesNew];
- int * Netgen_ConnectivityNew = new int [nbNodesByTetra*Netgen_NbOfTetra];
-
- for (int i=0; i<Netgen_NbOfNodesNew; i++)
- {
- Ng_GetPoint(Netgen_mesh, (i+1), Netgen_point);
-
- for (int j=0; j<spaceDimension; j++)
- Netgen_CoordinatesNew[i*spaceDimension+j] = Netgen_point[j];
- }
-
- for (int i=0; i<Netgen_NbOfNodes; i++)
- for (int j=0; j<spaceDimension; j++)
- ASSERT(Netgen_CoordinatesNew[i*spaceDimension+j] == Netgen_Coordinates[i*spaceDimension+j])
-
- for (int i=0; i<Netgen_NbOfTetra; i++)
- {
- Ng_GetVolumeElement(Netgen_mesh, (i+1), Netgen_tetrahedron);
-
- for (int j=0; j<nbNodesByTetra; j++)
- Netgen_ConnectivityNew[i*nbNodesByTetra+j] = Netgen_tetrahedron[j];
- }
-
- /*
- Feed back the SMESHDS with the generated Nodes and Volume Elements
- */
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute Feed back the SMESHDS with the generated Nodes and Volume Elements");
-
- int NbTotOfNodesShell = Netgen_NbOfNodesNew - Netgen_NbOfNodes;
-
- SCRUTE(NbTotOfNodesShell);
-
- int * listNodeShellCoresNetgenSmesh = new int [NbTotOfNodesShell];
-
- for (int i=0; i<NbTotOfNodesShell; i++)
- listNodeShellCoresNetgenSmesh[i] = 0;
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute --> Adding the New Nodes to SMESHDS");
-
- for (int i=0; i<NbTotOfNodesShell; i++)
- {
- int index = (i+Netgen_NbOfNodes)*spaceDimension;
-
- SMDS_MeshNode * node =
- meshDS->AddNode(Netgen_CoordinatesNew[index],
- Netgen_CoordinatesNew[index+1],
- Netgen_CoordinatesNew[index+2]);
-
- meshDS->SetNodeInVolume(node, aShell);
-
- index = i+Netgen_NbOfNodes;
- netgenToDS[index] = node;
-
- listNodeShellCoresNetgenSmesh[i] = node->GetID();
- }
-
- SCRUTE(Netgen_NbOfNodesNew);
-
- SCRUTE(netgenToDS.size());
-
- for (int i=0; i<NbTotOfNodesShell; i++)
- {
- ASSERT(listNodeShellCoresNetgenSmesh[i] != 0);
-
- for (int j=0; j<NbTotOfNodesShell && j!=i; j++)
- ASSERT(listNodeShellCoresNetgenSmesh[i] != listNodeShellCoresNetgenSmesh[j]);
- }
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute --> Adding the New elements (Tetrahedrons) to the SMESHDS");
-
- for (int i=0; i<Netgen_NbOfTetra; i++)
- {
- int index = i*nbNodesByTetra;
- int tetraNode1 = Netgen_ConnectivityNew[index];
- int tetraNode2 = Netgen_ConnectivityNew[index+1];
- int tetraNode3 = Netgen_ConnectivityNew[index+2];
- int tetraNode4 = Netgen_ConnectivityNew[index+3];
-
- const SMDS_MeshNode * node1 = netgenToDS[tetraNode1-1];
- const SMDS_MeshNode * node2 = netgenToDS[tetraNode2-1];
- const SMDS_MeshNode * node3 = netgenToDS[tetraNode3-1];
- const SMDS_MeshNode * node4 = netgenToDS[tetraNode4-1];
-
- index = tetraNode1;
- if (index <= Netgen_NbOfNodes)
- tetraNode1 = listNodeCoresNetgenSmesh[index-1];
- else
- tetraNode1 = listNodeShellCoresNetgenSmesh[index-Netgen_NbOfNodes-1];
-
- index = tetraNode2;
- if (index <= Netgen_NbOfNodes)
- tetraNode2 = listNodeCoresNetgenSmesh[index-1];
- else
- tetraNode2 = listNodeShellCoresNetgenSmesh[index-Netgen_NbOfNodes-1];
-
- index = tetraNode3;
- if (index <= Netgen_NbOfNodes)
- tetraNode3 = listNodeCoresNetgenSmesh[index-1];
- else
- tetraNode3 = listNodeShellCoresNetgenSmesh[index-Netgen_NbOfNodes-1];
-
- index = tetraNode4;
- if (index <= Netgen_NbOfNodes)
- tetraNode4 = listNodeCoresNetgenSmesh[index-1];
- else
- tetraNode4 = listNodeShellCoresNetgenSmesh[index-Netgen_NbOfNodes-1];
-
- SMDS_MeshVolume * elt =
- meshDS->AddVolume(node1,node2,node3,node4);
-
- meshDS->SetMeshElementOnShape(elt, aShell);
- }
-
- /*
- Free the memory needed by to generate the Netgen Mesh
- */
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute Free the memory needed by to generate the Netgen Mesh");
-
- delete [] Netgen_Coordinates;
- delete [] Netgen_Connectivity;
- delete [] Netgen_CoordinatesNew;
- delete [] Netgen_ConnectivityNew;
- delete [] Netgen_point;
- delete [] Netgen_triangle;
- delete [] Netgen_tetrahedron;
-
- delete [] listNodeCoresNetgenSmesh;
- delete [] listNodeShellCoresNetgenSmesh;
-
- Ng_DeleteMesh(Netgen_mesh);
- Ng_Exit();
-
- /*
- Verification
- */
-
- {
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute Verification of the Shell mesh");
-
- TopoDS_Shape aShapeShell = meshShells[0]->GetSubShape();
- SMESH_Algo* algoShell = _gen->GetAlgo(aMesh, aShapeShell);
- string algoShellName = algoShell->GetName();
- SCRUTE(algoShellName);
- if (algoShellName != "NETGEN_3D")
- {
- SCRUTE(algoShellName);
- ASSERT(0);
- return false;
- }
-
- const SMESHDS_SubMesh * aSubMeshDSShell = meshShells[0]->GetSubMeshDS();
- SCRUTE(&aSubMeshDSShell);
-
- int nbNodes = aSubMeshDSShell->NbNodes();
- int nbTetra = aSubMeshDSShell->NbElements();
-
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute The mesh Shell has " << nbNodes << " shell internal Nodes, " << nbTetra << " tetrahedrons");
-
- SMDS_NodeIteratorPtr iteratorNodes = aSubMeshDSShell->GetNodes();
-
- SCRUTE(nbNodes);
-
- int index;
-
- index = 0;
-
- while(iteratorNodes->more())
- {
- index++;
- const SMDS_MeshNode * node = iteratorNodes->next();
- int nodeId = node->GetID();
- double nodeX = node->X();
- double nodeY = node->Y();
- double nodeZ = node->Z();
-// MESSAGE("NODE -> ID = " << nodeId << " X = " << nodeX << " Y = " << nodeY << " Z = " << nodeZ);
- }
-
- SCRUTE(index);
-
- SMDS_ElemIteratorPtr iteratorTetra = aSubMeshDSShell->GetElements();
-
- SCRUTE(nbTetra);
-
- index = 0;
- while(iteratorTetra->more())
- {
- index++;
- const SMDS_MeshElement * tetra = iteratorTetra->next();
- int tetraId = tetra->GetID();
-
- SMDS_ElemIteratorPtr tetraNodesIt = tetra->nodesIterator();
-
- int tetraNode1 = (tetraNodesIt->next())->GetID();
- int tetraNode2 = (tetraNodesIt->next())->GetID();
- int tetraNode3 = (tetraNodesIt->next())->GetID();
- int tetraNode4 = (tetraNodesIt->next())->GetID();
-
-// MESSAGE("TETRAHEDRON -> ID = " << tetraId << " N1 = " << tetraNode1 << " N2 = " << tetraNode2 << " N3 = " << tetraNode3 << " N4 = " << tetraNode4);
-
- }
-
- SCRUTE(index);
- }
- }
- else
- {
- SCRUTE(numberOfShells);
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute ERROR More than one shell ????? ");
- return false;
- }
-
- return true;
-}
-
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-ostream & NETGENPlugin_NETGEN_3D::SaveTo(ostream & save)
-{
- return save;
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-istream & NETGENPlugin_NETGEN_3D::LoadFrom(istream & load)
-{
- return load;
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-ostream & operator << (ostream & save, NETGENPlugin_NETGEN_3D & hyp)
-{
- return hyp.SaveTo( save );
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-istream & operator >> (istream & load, NETGENPlugin_NETGEN_3D & hyp)
-{
- return hyp.LoadFrom( load );
-}
