-// SMESH SMESH : implementaion of SMESH idl descriptions
+// 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
//
-// Copyright (C) 2003 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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
+// 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 SMESH : implementaion of SMESH idl descriptions
// File : StdMeshers_Quadrangle_2D.cxx
// Moved here from SMESH_Quadrangle_2D.cxx
// Author : Paul RASCLE, EDF
// Module : SMESH
-// $Header$
-
-using namespace std;
+//
#include "StdMeshers_Quadrangle_2D.hxx"
+
+#include "StdMeshers_FaceSide.hxx"
+
+#include "StdMeshers_QuadrangleParams.hxx"
+
#include "SMESH_Gen.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_subMesh.hxx"
+#include "SMESH_MesherHelper.hxx"
+#include "SMESH_Block.hxx"
+#include "SMESH_Comment.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
#include "SMDS_EdgePosition.hxx"
#include "SMDS_FacePosition.hxx"
-#include <BRep_Tool.hxx>
-#include <BRepTools.hxx>
#include <BRepTools_WireExplorer.hxx>
-
+#include <BRep_Tool.hxx>
#include <Geom_Surface.hxx>
-#include <Geom_Curve.hxx>
-#include <Geom2d_Curve.hxx>
-#include <GeomAdaptor_Curve.hxx>
-#include <GCPnts_UniformAbscissa.hxx>
-#include <TopExp.hxx>
-
+#include <NCollection_DefineArray2.hxx>
#include <Precision.hxx>
-#include <gp_Pnt2d.hxx>
-#include <TColStd_ListIteratorOfListOfInteger.hxx>
#include <TColStd_SequenceOfReal.hxx>
#include <TColgp_SequenceOfXY.hxx>
+#include <TopExp.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TopoDS.hxx>
#include "utilities.h"
#include "Utils_ExceptHandlers.hxx"
#ifndef StdMeshers_Array2OfNode_HeaderFile
#define StdMeshers_Array2OfNode_HeaderFile
typedef const SMDS_MeshNode* SMDS_MeshNodePtr;
-#include <NCollection_DefineArray2.hxx>
DEFINE_BASECOLLECTION (StdMeshers_BaseCollectionNodePtr, SMDS_MeshNodePtr)
DEFINE_ARRAY2(StdMeshers_Array2OfNode,
StdMeshers_BaseCollectionNodePtr, SMDS_MeshNodePtr)
#endif
+using namespace std;
+
+typedef gp_XY gp_UV;
+typedef SMESH_Comment TComm;
//=============================================================================
/*!
*/
//=============================================================================
-StdMeshers_Quadrangle_2D::StdMeshers_Quadrangle_2D (int hypId, int studyId, SMESH_Gen* gen)
+StdMeshers_Quadrangle_2D::StdMeshers_Quadrangle_2D (int hypId, int studyId,
+ SMESH_Gen* gen)
: SMESH_2D_Algo(hypId, studyId, gen)
{
MESSAGE("StdMeshers_Quadrangle_2D::StdMeshers_Quadrangle_2D");
_name = "Quadrangle_2D";
_shapeType = (1 << TopAbs_FACE);
+ _compatibleHypothesis.push_back("QuadrangleParams");
_compatibleHypothesis.push_back("QuadranglePreference");
+ _compatibleHypothesis.push_back("TrianglePreference");
myTool = 0;
}
StdMeshers_Quadrangle_2D::~StdMeshers_Quadrangle_2D()
{
MESSAGE("StdMeshers_Quadrangle_2D::~StdMeshers_Quadrangle_2D");
- if ( myTool )
- delete myTool;
}
//=============================================================================
bool isOk = true;
aStatus = SMESH_Hypothesis::HYP_OK;
- // there is only one compatible Hypothesis so far
- const list <const SMESHDS_Hypothesis * >&hyps = GetUsedHypothesis(aMesh, aShape);
- myQuadranglePreference = hyps.size() > 0;
+ const list <const SMESHDS_Hypothesis * >&hyps =
+ GetUsedHypothesis(aMesh, aShape, false);
+ const SMESHDS_Hypothesis *theHyp = 0;
+
+ if( hyps.size() == 1 ) {
+ myTriaVertexID = -1;
+ theHyp = hyps.front();
+ if(strcmp("QuadrangleParams", theHyp->GetName()) == 0) {
+ const StdMeshers_QuadrangleParams* theHyp1 =
+ (const StdMeshers_QuadrangleParams*)theHyp;
+ myTriaVertexID = theHyp1->GetTriaVertex();
+ myQuadranglePreference= false;
+ myTrianglePreference= false;
+ }
+ if(strcmp("QuadranglePreference", theHyp->GetName()) == 0) {
+ myQuadranglePreference= true;
+ myTrianglePreference= false;
+ myTriaVertexID = -1;
+ }
+ else if(strcmp("TrianglePreference", theHyp->GetName()) == 0){
+ myQuadranglePreference= false;
+ myTrianglePreference= true;
+ myTriaVertexID = -1;
+ }
+ }
+
+ else if( hyps.size() > 1 ) {
+ theHyp = hyps.front();
+ if(strcmp("QuadrangleParams", theHyp->GetName()) == 0) {
+ const StdMeshers_QuadrangleParams* theHyp1 =
+ (const StdMeshers_QuadrangleParams*)theHyp;
+ myTriaVertexID = theHyp1->GetTriaVertex();
+ theHyp = hyps.back();
+ if(strcmp("QuadranglePreference", theHyp->GetName()) == 0) {
+ myQuadranglePreference= true;
+ myTrianglePreference= false;
+ }
+ else if(strcmp("TrianglePreference", theHyp->GetName()) == 0){
+ myQuadranglePreference= false;
+ myTrianglePreference= true;
+ }
+ }
+ else {
+ if(strcmp("QuadranglePreference", theHyp->GetName()) == 0) {
+ myQuadranglePreference= true;
+ myTrianglePreference= false;
+ }
+ else if(strcmp("TrianglePreference", theHyp->GetName()) == 0){
+ myQuadranglePreference= false;
+ myTrianglePreference= true;
+ }
+ const StdMeshers_QuadrangleParams* theHyp2 =
+ (const StdMeshers_QuadrangleParams*)hyps.back();
+ myTriaVertexID = theHyp2->GetTriaVertex();
+ }
+ }
+
+ else {
+ myQuadranglePreference = false;
+ myTrianglePreference = false;
+ myTriaVertexID = -1;
+ }
return isOk;
}
//=============================================================================
bool StdMeshers_Quadrangle_2D::Compute (SMESH_Mesh& aMesh,
- const TopoDS_Shape& aShape) throw (SALOME_Exception)
+ const TopoDS_Shape& aShape)// throw (SALOME_Exception)
{
- Unexpect aCatch(SalomeException);
- //MESSAGE("StdMeshers_Quadrangle_2D::Compute");
+ // PAL14921. Enable catching std::bad_alloc and Standard_OutOfMemory outside
+ //Unexpect aCatchSalomeException);
+
SMESHDS_Mesh * meshDS = aMesh.GetMeshDS();
aMesh.GetSubMesh(aShape);
- if ( !myTool )
- myTool = new StdMeshers_Helper(aMesh);
- _quadraticMesh = myTool->IsQuadraticSubMesh(aShape);
+ SMESH_MesherHelper helper(aMesh);
+ myTool = &helper;
- //FaceQuadStruct *quad = CheckAnd2Dcompute(aMesh, aShape);
- FaceQuadStruct* quad = CheckNbEdges(aMesh, aShape);
+ _quadraticMesh = myTool->IsQuadraticSubMesh(aShape);
- if (!quad) {
- delete myTool; myTool = 0;
+ FaceQuadStruct *quad = CheckNbEdges( aMesh, aShape );
+ std::auto_ptr<FaceQuadStruct> quadDeleter( quad ); // to delete quad at exit from Compute()
+ if (!quad)
return false;
- }
if(myQuadranglePreference) {
- int n1 = quad->nbPts[0];
- int n2 = quad->nbPts[1];
- int n3 = quad->nbPts[2];
- int n4 = quad->nbPts[3];
+ int n1 = quad->side[0]->NbPoints();
+ int n2 = quad->side[1]->NbPoints();
+ int n3 = quad->side[2]->NbPoints();
+ int n4 = quad->side[3]->NbPoints();
int nfull = n1+n2+n3+n4;
int ntmp = nfull/2;
ntmp = ntmp*2;
if( nfull==ntmp && ( (n1!=n3) || (n2!=n4) ) ) {
// special path for using only quandrangle faces
bool ok = ComputeQuadPref(aMesh, aShape, quad);
- delete myTool; myTool = 0;
return ok;
}
}
// set normalized grid on unit square in parametric domain
- SetNormalizedGrid(aMesh, aShape, quad);
- if (!quad) {
- delete myTool; myTool = 0;
+
+ if (!SetNormalizedGrid(aMesh, aShape, quad))
return false;
- }
// --- compute 3D values on points, store points & quadrangles
- int nbdown = quad->nbPts[0];
- int nbup = quad->nbPts[2];
+ int nbdown = quad->side[0]->NbPoints();
+ int nbup = quad->side[2]->NbPoints();
- int nbright = quad->nbPts[1];
- int nbleft = quad->nbPts[3];
+ int nbright = quad->side[1]->NbPoints();
+ int nbleft = quad->side[3]->NbPoints();
int nbhoriz = Min(nbdown, nbup);
int nbvertic = Min(nbright, nbleft);
b = quad->uv_grid[j * nbhoriz + i + 1].node;
c = quad->uv_grid[(j + 1) * nbhoriz + i + 1].node;
d = quad->uv_grid[(j + 1) * nbhoriz + i].node;
- //SMDS_MeshFace * face = meshDS->AddFace(a, b, c, d);
SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+ if(face) {
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
+ }
}
}
-
- UVPtStruct *uv_e0 = quad->uv_edges[0];
- UVPtStruct *uv_e1 = quad->uv_edges[1];
- UVPtStruct *uv_e2 = quad->uv_edges[2];
- UVPtStruct *uv_e3 = quad->uv_edges[3];
+
+ const vector<UVPtStruct>& uv_e0 = quad->side[0]->GetUVPtStruct(true,0 );
+ const vector<UVPtStruct>& uv_e1 = quad->side[1]->GetUVPtStruct(false,1);
+ const vector<UVPtStruct>& uv_e2 = quad->side[2]->GetUVPtStruct(true,1 );
+ const vector<UVPtStruct>& uv_e3 = quad->side[3]->GetUVPtStruct(false,0);
+
+ if ( uv_e0.empty() || uv_e1.empty() || uv_e2.empty() || uv_e3.empty() )
+ return error( COMPERR_BAD_INPUT_MESH );
double eps = Precision::Confusion();
}
if (near == g) { // make triangle
- //SMDS_MeshFace* face = meshDS->AddFace(a, b, c);
SMDS_MeshFace* face = myTool->AddFace(a, b, c);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+ if(face) meshDS->SetMeshElementOnShape(face, geomFaceID);
}
else { // make quadrangle
if (near - 1 < ilow)
else
d = quad->uv_grid[nbhoriz + near - 1].node;
//SMDS_MeshFace* face = meshDS->AddFace(a, b, c, d);
- SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+
+ if(!myTrianglePreference){
+ SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
+ if(face) meshDS->SetMeshElementOnShape(face, geomFaceID);
+ }
+ else {
+ SplitQuad(meshDS, geomFaceID, a, b, c, d);
+ }
// if node d is not at position g - make additional triangles
if (near - 1 > g) {
d = uv_e3[1].node;
else
d = quad->uv_grid[nbhoriz + k - 1].node;
- //SMDS_MeshFace* face = meshDS->AddFace(a, c, d);
SMDS_MeshFace* face = myTool->AddFace(a, c, d);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+ if(face) meshDS->SetMeshElementOnShape(face, geomFaceID);
}
}
g = near;
}
if (near == g) { // make triangle
- //SMDS_MeshFace* face = meshDS->AddFace(a, b, c);
SMDS_MeshFace* face = myTool->AddFace(a, b, c);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+ if(face) meshDS->SetMeshElementOnShape(face, geomFaceID);
}
else { // make quadrangle
if (near + 1 > iup)
else
d = quad->uv_grid[nbhoriz*(nbvertic - 2) + near + 1].node;
//SMDS_MeshFace* face = meshDS->AddFace(a, b, c, d);
- SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+ if(!myTrianglePreference){
+ SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
+ if(face) meshDS->SetMeshElementOnShape(face, geomFaceID);
+ }
+ else {
+ SplitQuad(meshDS, geomFaceID, a, b, c, d);
+ }
if (near + 1 < g) { // if d not is at g - make additional triangles
for (int k = near + 1; k < g; k++) {
d = uv_e1[nbright - 2].node;
else
d = quad->uv_grid[nbhoriz*(nbvertic - 2) + k + 1].node;
- //SMDS_MeshFace* face = meshDS->AddFace(a, c, d);
SMDS_MeshFace* face = myTool->AddFace(a, c, d);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+ if(face) meshDS->SetMeshElementOnShape(face, geomFaceID);
}
}
g = near;
}
if (near == g) { // make triangle
- //SMDS_MeshFace* face = meshDS->AddFace(a, b, c);
SMDS_MeshFace* face = myTool->AddFace(a, b, c);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+ if(face) meshDS->SetMeshElementOnShape(face, geomFaceID);
}
else { // make quadrangle
if (near - 1 < jlow)
else
d = quad->uv_grid[nbhoriz*near - 2].node;
//SMDS_MeshFace* face = meshDS->AddFace(a, b, c, d);
- SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+
+ if(!myTrianglePreference){
+ SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
+ if(face) meshDS->SetMeshElementOnShape(face, geomFaceID);
+ }
+ else {
+ SplitQuad(meshDS, geomFaceID, a, b, c, d);
+ }
if (near - 1 > g) { // if d not is at g - make additional triangles
for (int k = near - 1; k > g; k--) {
d = uv_e0[nbdown - 2].node;
else
d = quad->uv_grid[nbhoriz*k - 2].node;
- //SMDS_MeshFace* face = meshDS->AddFace(a, c, d);
SMDS_MeshFace* face = myTool->AddFace(a, c, d);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+ if(face) meshDS->SetMeshElementOnShape(face, geomFaceID);
}
}
g = near;
}
if (near == g) { // make triangle
- //SMDS_MeshFace* face = meshDS->AddFace(a, b, c);
SMDS_MeshFace* face = myTool->AddFace(a, b, c);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+ if(face) meshDS->SetMeshElementOnShape(face, geomFaceID);
}
else { // make quadrangle
if (near + 1 > jup)
else
d = quad->uv_grid[nbhoriz*(near + 1) + 1].node;
//SMDS_MeshFace* face = meshDS->AddFace(a, b, c, d);
- SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+ if(!myTrianglePreference){
+ SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
+ if(face) meshDS->SetMeshElementOnShape(face, geomFaceID);
+ }
+ else {
+ SplitQuad(meshDS, geomFaceID, a, b, c, d);
+ }
if (near + 1 < g) { // if d not is at g - make additional triangles
for (int k = near + 1; k < g; k++) {
d = uv_e2[1].node;
else
d = quad->uv_grid[nbhoriz*(k + 1) + 1].node;
- //SMDS_MeshFace* face = meshDS->AddFace(a, c, d);
SMDS_MeshFace* face = myTool->AddFace(a, c, d);
- meshDS->SetMeshElementOnShape(face, geomFaceID);
+ if(face) meshDS->SetMeshElementOnShape(face, geomFaceID);
}
}
g = near;
}
}
- QuadDelete(quad);
- delete myTool; myTool = 0;
-
bool isOk = true;
return isOk;
}
+//=============================================================================
+/*!
+ * Evaluate
+ */
+//=============================================================================
+
+bool StdMeshers_Quadrangle_2D::Evaluate(SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
+ MapShapeNbElems& aResMap)
+
+{
+ aMesh.GetSubMesh(aShape);
+
+ std::vector<int> aNbNodes(4);
+ bool IsQuadratic = false;
+ if( !CheckNbEdgesForEvaluate( aMesh, aShape, aResMap, aNbNodes, IsQuadratic ) ) {
+ std::vector<int> aResVec(SMDSEntity_Last);
+ for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
+ SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
+ aResMap.insert(std::make_pair(sm,aResVec));
+ SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
+ smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated",this));
+ return false;
+ }
+
+ if(myQuadranglePreference) {
+ int n1 = aNbNodes[0];
+ int n2 = aNbNodes[1];
+ int n3 = aNbNodes[2];
+ int n4 = aNbNodes[3];
+ int nfull = n1+n2+n3+n4;
+ int ntmp = nfull/2;
+ ntmp = ntmp*2;
+ if( nfull==ntmp && ( (n1!=n3) || (n2!=n4) ) ) {
+ // special path for using only quandrangle faces
+ return EvaluateQuadPref(aMesh, aShape, aNbNodes, aResMap, IsQuadratic);
+ //return true;
+ }
+ }
+
+ int nbdown = aNbNodes[0];
+ int nbup = aNbNodes[2];
+
+ int nbright = aNbNodes[1];
+ int nbleft = aNbNodes[3];
+
+ int nbhoriz = Min(nbdown, nbup);
+ int nbvertic = Min(nbright, nbleft);
+
+ int dh = Max(nbdown, nbup) - nbhoriz;
+ int dv = Max(nbright, nbleft) - nbvertic;
+
+ //int kdh = 0;
+ //if(dh>0) kdh = 1;
+ //int kdv = 0;
+ //if(dv>0) kdv = 1;
+
+ int nbNodes = (nbhoriz-2)*(nbvertic-2);
+ //int nbFaces3 = dh + dv + kdh*(nbvertic-1)*2 + kdv*(nbhoriz-1)*2;
+ int nbFaces3 = dh + dv;
+ //if( kdh==1 && kdv==1 ) nbFaces3 -= 2;
+ //if( dh>0 && dv>0 ) nbFaces3 -= 2;
+ //int nbFaces4 = (nbhoriz-1-kdh)*(nbvertic-1-kdv);
+ int nbFaces4 = (nbhoriz-1)*(nbvertic-1);
+
+ std::vector<int> aVec(SMDSEntity_Last);
+ for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i] = 0;
+ if(IsQuadratic) {
+ aVec[SMDSEntity_Quad_Triangle] = nbFaces3;
+ aVec[SMDSEntity_Quad_Quadrangle] = nbFaces4;
+ int nbbndedges = nbdown + nbup + nbright + nbleft -4;
+ int nbintedges = ( nbFaces4*4 + nbFaces3*3 - nbbndedges ) / 2;
+ aVec[SMDSEntity_Node] = nbNodes + nbintedges;
+ if( aNbNodes.size()==5 ) {
+ aVec[SMDSEntity_Quad_Triangle] = nbFaces3 + aNbNodes[3] -1;
+ aVec[SMDSEntity_Quad_Quadrangle] = nbFaces4 - aNbNodes[3] +1;
+ }
+ }
+ else {
+ aVec[SMDSEntity_Node] = nbNodes;
+ aVec[SMDSEntity_Triangle] = nbFaces3;
+ aVec[SMDSEntity_Quadrangle] = nbFaces4;
+ if( aNbNodes.size()==5 ) {
+ aVec[SMDSEntity_Triangle] = nbFaces3 + aNbNodes[3] - 1;
+ aVec[SMDSEntity_Quadrangle] = nbFaces4 - aNbNodes[3] + 1;
+ }
+ }
+ SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
+ aResMap.insert(std::make_pair(sm,aVec));
+
+ return true;
+}
+
+
+//================================================================================
+/*!
+ * \brief Return true if only two given edges meat at their common vertex
+ */
+//================================================================================
+
+static bool twoEdgesMeatAtVertex(const TopoDS_Edge& e1,
+ const TopoDS_Edge& e2,
+ SMESH_Mesh & mesh)
+{
+ TopoDS_Vertex v;
+ if ( !TopExp::CommonVertex( e1, e2, v ))
+ return false;
+ TopTools_ListIteratorOfListOfShape ancestIt( mesh.GetAncestors( v ));
+ for ( ; ancestIt.More() ; ancestIt.Next() )
+ if ( ancestIt.Value().ShapeType() == TopAbs_EDGE )
+ if ( !e1.IsSame( ancestIt.Value() ) && !e2.IsSame( ancestIt.Value() ))
+ return false;
+ return true;
+}
+
//=============================================================================
/*!
*
*/
//=============================================================================
-FaceQuadStruct* StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh & aMesh,
+FaceQuadStruct* StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh & aMesh,
const TopoDS_Shape & aShape)
- throw(SALOME_Exception)
+ //throw(SALOME_Exception)
{
- Unexpect aCatch(SalomeException);
-
const TopoDS_Face & F = TopoDS::Face(aShape);
+ const bool ignoreMediumNodes = _quadraticMesh;
// verify 1 wire only, with 4 edges
-
- if (NumberOfWires(F) != 1) {
- INFOS("only 1 wire by face (quadrangles)");
+ TopoDS_Vertex V;
+ list< TopoDS_Edge > edges;
+ list< int > nbEdgesInWire;
+ int nbWire = SMESH_Block::GetOrderedEdges (F, V, edges, nbEdgesInWire);
+ if (nbWire != 1) {
+ error(COMPERR_BAD_SHAPE, TComm("Wrong number of wires: ") << nbWire);
return 0;
}
- const TopoDS_Wire& W = BRepTools::OuterWire(F);
- BRepTools_WireExplorer wexp (W, F);
-
FaceQuadStruct* quad = new FaceQuadStruct;
- for (int i = 0; i < 4; i++)
- quad->uv_edges[i] = 0;
quad->uv_grid = 0;
-
- int nbEdges = 0;
- for (wexp.Init(W, F); wexp.More(); wexp.Next()) {
- const TopoDS_Edge& E = wexp.Current();
- int nb = aMesh.GetSubMesh(E)->GetSubMeshDS()->NbNodes();
- if (nbEdges < 4) {
- quad->edge[nbEdges] = E;
- if(!_quadraticMesh) {
- quad->nbPts[nbEdges] = nb + 2; // internal points + 2 extrema
+ quad->side.reserve(nbEdgesInWire.front());
+
+ int nbSides = 0;
+ list< TopoDS_Edge >::iterator edgeIt = edges.begin();
+ if ( nbEdgesInWire.front() == 3 ) { // exactly 3 edges
+ if(myTriaVertexID>0) {
+ SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
+ TopoDS_Vertex V = TopoDS::Vertex(meshDS->IndexToShape(myTriaVertexID));
+ if(!V.IsNull()) {
+ TopoDS_Edge E1,E2,E3;
+ for(; edgeIt != edges.end(); ++edgeIt) {
+ TopoDS_Edge E = TopoDS::Edge(*edgeIt);
+ TopoDS_Vertex VF, VL;
+ TopExp::Vertices(E, VF, VL, true);
+ if( VF.IsSame(V) )
+ E1 = E;
+ else if( VL.IsSame(V) )
+ E3 = E;
+ else
+ E2 = E;
+ }
+ quad->side.reserve(4);
+ quad->side.push_back( new StdMeshers_FaceSide(F, E1, &aMesh, true, ignoreMediumNodes));
+ quad->side.push_back( new StdMeshers_FaceSide(F, E2, &aMesh, true, ignoreMediumNodes));
+ quad->side.push_back( new StdMeshers_FaceSide(F, E3, &aMesh, false, ignoreMediumNodes));
+ std::vector<UVPtStruct> UVPSleft = quad->side[0]->GetUVPtStruct(true,0);
+ std::vector<UVPtStruct> UVPStop = quad->side[1]->GetUVPtStruct(false,1);
+ std::vector<UVPtStruct> UVPSright = quad->side[2]->GetUVPtStruct(true,1);
+ const SMDS_MeshNode* aNode = UVPSleft[0].node;
+ gp_Pnt2d aPnt2d( UVPSleft[0].u, UVPSleft[0].v );
+ StdMeshers_FaceSide* VertFS =
+ new StdMeshers_FaceSide(aNode, aPnt2d, quad->side[1]);
+ quad->side.push_back(VertFS);
+ return quad;
}
- else {
- int tmp = nb/2;
- quad->nbPts[nbEdges] = tmp + 2; // internal not medium points + 2 extrema
+ }
+ return 0;
+ }
+ else if ( nbEdgesInWire.front() == 4 ) { // exactly 4 edges
+ for ( ; edgeIt != edges.end(); ++edgeIt, nbSides++ )
+ quad->side.push_back( new StdMeshers_FaceSide(F, *edgeIt, &aMesh,
+ nbSides<TOP_SIDE, ignoreMediumNodes));
+ }
+ else if ( nbEdgesInWire.front() > 4 ) { // more than 4 edges - try to unite some
+ list< TopoDS_Edge > sideEdges;
+ while ( !edges.empty()) {
+ sideEdges.clear();
+ sideEdges.splice( sideEdges.end(), edges, edges.begin()); // edges.front() -> sideEdges.end()
+ bool sameSide = true;
+ while ( !edges.empty() && sameSide ) {
+ sameSide = SMESH_Algo::IsContinuous( sideEdges.back(), edges.front() );
+ if ( sameSide )
+ sideEdges.splice( sideEdges.end(), edges, edges.begin());
+ }
+ if ( nbSides == 0 ) { // go backward from the first edge
+ sameSide = true;
+ while ( !edges.empty() && sameSide ) {
+ sameSide = SMESH_Algo::IsContinuous( sideEdges.front(), edges.back() );
+ if ( sameSide )
+ sideEdges.splice( sideEdges.begin(), edges, --edges.end());
+ }
+ }
+ quad->side.push_back( new StdMeshers_FaceSide(F, sideEdges, &aMesh,
+ nbSides<TOP_SIDE, ignoreMediumNodes));
+ ++nbSides;
+ }
+ // issue 20222. Try to unite only edges shared by two same faces
+ if (nbSides < 4) {
+ // delete found sides
+ { FaceQuadStruct cleaner( *quad ); }
+ quad->side.clear();
+ quad->side.reserve(nbEdgesInWire.front());
+ nbSides = 0;
+
+ SMESH_Block::GetOrderedEdges (F, V, edges, nbEdgesInWire);
+ while ( !edges.empty()) {
+ sideEdges.clear();
+ sideEdges.splice( sideEdges.end(), edges, edges.begin());
+ bool sameSide = true;
+ while ( !edges.empty() && sameSide ) {
+ sameSide =
+ SMESH_Algo::IsContinuous( sideEdges.back(), edges.front() ) &&
+ twoEdgesMeatAtVertex( sideEdges.back(), edges.front(), aMesh );
+ if ( sameSide )
+ sideEdges.splice( sideEdges.end(), edges, edges.begin());
+ }
+ if ( nbSides == 0 ) { // go backward from the first edge
+ sameSide = true;
+ while ( !edges.empty() && sameSide ) {
+ sameSide =
+ SMESH_Algo::IsContinuous( sideEdges.front(), edges.back() ) &&
+ twoEdgesMeatAtVertex( sideEdges.front(), edges.back(), aMesh );
+ if ( sameSide )
+ sideEdges.splice( sideEdges.begin(), edges, --edges.end());
+ }
+ }
+ quad->side.push_back( new StdMeshers_FaceSide(F, sideEdges, &aMesh,
+ nbSides<TOP_SIDE, ignoreMediumNodes));
+ ++nbSides;
}
}
- nbEdges++;
}
-
- if (nbEdges != 4) {
- INFOS("face must have 4 edges /quadrangles");
- QuadDelete(quad);
- return 0;
+ if (nbSides != 4) {
+#ifdef _DEBUG_
+ MESSAGE ( "StdMeshers_Quadrangle_2D. Edge IDs of " << nbSides << " sides:\n" );
+ for ( int i = 0; i < nbSides; ++i ) {
+ MESSAGE ( " ( " );
+ for ( int e = 0; e < quad->side[i]->NbEdges(); ++e )
+ MESSAGE ( myTool->GetMeshDS()->ShapeToIndex( quad->side[i]->Edge( e )) << " " );
+ MESSAGE ( ")\n" );
+ }
+ //cout << endl;
+#endif
+ if ( !nbSides )
+ nbSides = nbEdgesInWire.front();
+ error(COMPERR_BAD_SHAPE, TComm("Face must have 4 sides but not ") << nbSides);
+ delete quad;
+ quad = 0;
}
return quad;
}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+bool StdMeshers_Quadrangle_2D::CheckNbEdgesForEvaluate(SMESH_Mesh& aMesh,
+ const TopoDS_Shape & aShape,
+ MapShapeNbElems& aResMap,
+ std::vector<int>& aNbNodes,
+ bool& IsQuadratic)
+
+{
+ const TopoDS_Face & F = TopoDS::Face(aShape);
+
+ // verify 1 wire only, with 4 edges
+ TopoDS_Vertex V;
+ list< TopoDS_Edge > edges;
+ list< int > nbEdgesInWire;
+ int nbWire = SMESH_Block::GetOrderedEdges (F, V, edges, nbEdgesInWire);
+ if (nbWire != 1) {
+ return false;
+ }
+
+ aNbNodes.resize(4);
+
+ int nbSides = 0;
+ list< TopoDS_Edge >::iterator edgeIt = edges.begin();
+ SMESH_subMesh * sm = aMesh.GetSubMesh( *edgeIt );
+ MapShapeNbElemsItr anIt = aResMap.find(sm);
+ if(anIt==aResMap.end()) {
+ return false;
+ }
+ std::vector<int> aVec = (*anIt).second;
+ IsQuadratic = (aVec[SMDSEntity_Quad_Edge] > aVec[SMDSEntity_Edge]);
+ if ( nbEdgesInWire.front() == 3 ) { // exactly 3 edges
+ if(myTriaVertexID>0) {
+ SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
+ TopoDS_Vertex V = TopoDS::Vertex(meshDS->IndexToShape(myTriaVertexID));
+ if(!V.IsNull()) {
+ TopoDS_Edge E1,E2,E3;
+ for(; edgeIt != edges.end(); ++edgeIt) {
+ TopoDS_Edge E = TopoDS::Edge(*edgeIt);
+ TopoDS_Vertex VF, VL;
+ TopExp::Vertices(E, VF, VL, true);
+ if( VF.IsSame(V) )
+ E1 = E;
+ else if( VL.IsSame(V) )
+ E3 = E;
+ else
+ E2 = E;
+ }
+ SMESH_subMesh * sm = aMesh.GetSubMesh(E1);
+ MapShapeNbElemsItr anIt = aResMap.find(sm);
+ if(anIt==aResMap.end()) return false;
+ std::vector<int> aVec = (*anIt).second;
+ if(IsQuadratic)
+ aNbNodes[0] = (aVec[SMDSEntity_Node]-1)/2 + 2;
+ else
+ aNbNodes[0] = aVec[SMDSEntity_Node] + 2;
+ sm = aMesh.GetSubMesh(E2);
+ anIt = aResMap.find(sm);
+ if(anIt==aResMap.end()) return false;
+ aVec = (*anIt).second;
+ if(IsQuadratic)
+ aNbNodes[1] = (aVec[SMDSEntity_Node]-1)/2 + 2;
+ else
+ aNbNodes[1] = aVec[SMDSEntity_Node] + 2;
+ sm = aMesh.GetSubMesh(E3);
+ anIt = aResMap.find(sm);
+ if(anIt==aResMap.end()) return false;
+ aVec = (*anIt).second;
+ if(IsQuadratic)
+ aNbNodes[2] = (aVec[SMDSEntity_Node]-1)/2 + 2;
+ else
+ aNbNodes[2] = aVec[SMDSEntity_Node] + 2;
+ aNbNodes[3] = aNbNodes[1];
+ aNbNodes.resize(5);
+ nbSides = 4;
+ }
+ }
+ }
+ if ( nbEdgesInWire.front() == 4 ) { // exactly 4 edges
+ for(; edgeIt != edges.end(); edgeIt++) {
+ SMESH_subMesh * sm = aMesh.GetSubMesh( *edgeIt );
+ MapShapeNbElemsItr anIt = aResMap.find(sm);
+ if(anIt==aResMap.end()) {
+ return false;
+ }
+ std::vector<int> aVec = (*anIt).second;
+ if(IsQuadratic)
+ aNbNodes[nbSides] = (aVec[SMDSEntity_Node]-1)/2 + 2;
+ else
+ aNbNodes[nbSides] = aVec[SMDSEntity_Node] + 2;
+ nbSides++;
+ }
+ }
+ else if ( nbEdgesInWire.front() > 4 ) { // more than 4 edges - try to unite some
+ list< TopoDS_Edge > sideEdges;
+ while ( !edges.empty()) {
+ sideEdges.clear();
+ sideEdges.splice( sideEdges.end(), edges, edges.begin()); // edges.front() -> sideEdges.end()
+ bool sameSide = true;
+ while ( !edges.empty() && sameSide ) {
+ sameSide = SMESH_Algo::IsContinuous( sideEdges.back(), edges.front() );
+ if ( sameSide )
+ sideEdges.splice( sideEdges.end(), edges, edges.begin());
+ }
+ if ( nbSides == 0 ) { // go backward from the first edge
+ sameSide = true;
+ while ( !edges.empty() && sameSide ) {
+ sameSide = SMESH_Algo::IsContinuous( sideEdges.front(), edges.back() );
+ if ( sameSide )
+ sideEdges.splice( sideEdges.begin(), edges, --edges.end());
+ }
+ }
+ list<TopoDS_Edge>::iterator ite = sideEdges.begin();
+ aNbNodes[nbSides] = 1;
+ for(; ite!=sideEdges.end(); ite++) {
+ SMESH_subMesh * sm = aMesh.GetSubMesh( *ite );
+ MapShapeNbElemsItr anIt = aResMap.find(sm);
+ if(anIt==aResMap.end()) {
+ return false;
+ }
+ std::vector<int> aVec = (*anIt).second;
+ if(IsQuadratic)
+ aNbNodes[nbSides] += (aVec[SMDSEntity_Node]-1)/2 + 1;
+ else
+ aNbNodes[nbSides] += aVec[SMDSEntity_Node] + 1;
+ }
+ ++nbSides;
+ }
+ // issue 20222. Try to unite only edges shared by two same faces
+ if (nbSides < 4) {
+ nbSides = 0;
+ SMESH_Block::GetOrderedEdges (F, V, edges, nbEdgesInWire);
+ while ( !edges.empty()) {
+ sideEdges.clear();
+ sideEdges.splice( sideEdges.end(), edges, edges.begin());
+ bool sameSide = true;
+ while ( !edges.empty() && sameSide ) {
+ sameSide =
+ SMESH_Algo::IsContinuous( sideEdges.back(), edges.front() ) &&
+ twoEdgesMeatAtVertex( sideEdges.back(), edges.front(), aMesh );
+ if ( sameSide )
+ sideEdges.splice( sideEdges.end(), edges, edges.begin());
+ }
+ if ( nbSides == 0 ) { // go backward from the first edge
+ sameSide = true;
+ while ( !edges.empty() && sameSide ) {
+ sameSide =
+ SMESH_Algo::IsContinuous( sideEdges.front(), edges.back() ) &&
+ twoEdgesMeatAtVertex( sideEdges.front(), edges.back(), aMesh );
+ if ( sameSide )
+ sideEdges.splice( sideEdges.begin(), edges, --edges.end());
+ }
+ }
+ list<TopoDS_Edge>::iterator ite = sideEdges.begin();
+ aNbNodes[nbSides] = 1;
+ for(; ite!=sideEdges.end(); ite++) {
+ SMESH_subMesh * sm = aMesh.GetSubMesh( *ite );
+ MapShapeNbElemsItr anIt = aResMap.find(sm);
+ if(anIt==aResMap.end()) {
+ return false;
+ }
+ std::vector<int> aVec = (*anIt).second;
+ if(IsQuadratic)
+ aNbNodes[nbSides] += (aVec[SMDSEntity_Node]-1)/2 + 1;
+ else
+ aNbNodes[nbSides] += aVec[SMDSEntity_Node] + 1;
+ }
+ ++nbSides;
+ }
+ }
+ }
+ if (nbSides != 4) {
+ if ( !nbSides )
+ nbSides = nbEdgesInWire.front();
+ error(COMPERR_BAD_SHAPE, TComm("Face must have 4 sides but not ") << nbSides);
+ return false;
+ }
+
+ return true;
+}
+
+
//=============================================================================
/*!
* CheckAnd2Dcompute
//=============================================================================
FaceQuadStruct *StdMeshers_Quadrangle_2D::CheckAnd2Dcompute
- (SMESH_Mesh & aMesh,
+ (SMESH_Mesh & aMesh,
const TopoDS_Shape & aShape,
- const bool CreateQuadratic) throw(SALOME_Exception)
+ const bool CreateQuadratic) //throw(SALOME_Exception)
{
- Unexpect aCatch(SalomeException);
-
_quadraticMesh = CreateQuadratic;
FaceQuadStruct *quad = CheckNbEdges(aMesh, aShape);
if(!quad) return 0;
// set normalized grid on unit square in parametric domain
- SetNormalizedGrid(aMesh, aShape, quad);
+ bool stat = SetNormalizedGrid(aMesh, aShape, quad);
+ if(!stat) {
+ if(!quad)
+ delete quad;
+ quad = 0;
+ }
return quad;
}
*/
//=============================================================================
-void StdMeshers_Quadrangle_2D::QuadDelete (FaceQuadStruct * quad)
+faceQuadStruct::~faceQuadStruct()
{
- //MESSAGE("StdMeshers_Quadrangle_2D::QuadDelete");
- if (quad)
+ for (int i = 0; i < side.size(); i++) {
+ if (side[i]) delete side[i];
+ }
+ if (uv_grid) delete [] uv_grid;
+}
+
+namespace {
+ inline const vector<UVPtStruct>& GetUVPtStructIn(FaceQuadStruct* quad, int i, int nbSeg)
{
- for (int i = 0; i < 4; i++)
- {
- if (quad->uv_edges[i])
- delete [] quad->uv_edges[i];
- quad->edge[i].Nullify();
- }
- if (quad->uv_grid)
- delete [] quad->uv_grid;
- delete quad;
+ bool isXConst = ( i == BOTTOM_SIDE || i == TOP_SIDE );
+ double constValue = ( i == BOTTOM_SIDE || i == LEFT_SIDE ) ? 0 : 1;
+ return
+ quad->isEdgeOut[i] ?
+ quad->side[i]->SimulateUVPtStruct(nbSeg,isXConst,constValue) :
+ quad->side[i]->GetUVPtStruct(isXConst,constValue);
}
}
*/
//=============================================================================
-void StdMeshers_Quadrangle_2D::SetNormalizedGrid (SMESH_Mesh & aMesh,
+bool StdMeshers_Quadrangle_2D::SetNormalizedGrid (SMESH_Mesh & aMesh,
const TopoDS_Shape& aShape,
- FaceQuadStruct* quad) throw (SALOME_Exception)
+ FaceQuadStruct* & quad) //throw (SALOME_Exception)
{
- Unexpect aCatch(SalomeException);
// Algorithme décrit dans "Génération automatique de maillages"
// P.L. GEORGE, MASSON, § 6.4.1 p. 84-85
// traitement dans le domaine paramétrique 2d u,v
// transport - projection sur le carré unité
// MESSAGE("StdMeshers_Quadrangle_2D::SetNormalizedGrid");
- const TopoDS_Face& F = TopoDS::Face(aShape);
+// const TopoDS_Face& F = TopoDS::Face(aShape);
// 1 --- find orientation of the 4 edges, by test on extrema
// =down
//
- Handle(Geom2d_Curve) c2d[4];
- gp_Pnt2d pf[4];
- gp_Pnt2d pl[4];
- for (int i = 0; i < 4; i++)
- {
- c2d[i] = BRep_Tool::CurveOnSurface(quad->edge[i], F,
- quad->first[i], quad->last[i]);
- pf[i] = c2d[i]->Value(quad->first[i]);
- pl[i] = c2d[i]->Value(quad->last[i]);
- quad->isEdgeForward[i] = false;
- }
-
- double l0f1 = pl[0].SquareDistance(pf[1]);
- double l0l1 = pl[0].SquareDistance(pl[1]);
- double f0f1 = pf[0].SquareDistance(pf[1]);
- double f0l1 = pf[0].SquareDistance(pl[1]);
- if ( Min( l0f1, l0l1 ) < Min ( f0f1, f0l1 ))
- {
- quad->isEdgeForward[0] = true;
- } else {
- double tmp = quad->first[0];
- quad->first[0] = quad->last[0];
- quad->last[0] = tmp;
- pf[0] = c2d[0]->Value(quad->first[0]);
- pl[0] = c2d[0]->Value(quad->last[0]);
- }
- for (int i = 1; i < 4; i++)
- {
- l0l1 = pl[i - 1].SquareDistance(pl[i]);
- l0f1 = pl[i - 1].SquareDistance(pf[i]);
- quad->isEdgeForward[i] = ( l0f1 < l0l1 );
- if (!quad->isEdgeForward[i])
- {
- double tmp = quad->first[i];
- quad->first[i] = quad->last[i];
- quad->last[i] = tmp;
- pf[i] = c2d[i]->Value(quad->first[i]);
- pl[i] = c2d[i]->Value(quad->last[i]);
- }
- }
-
- // 2 --- load 2d edge points (u,v) with orientation and value on unit square
-
- bool loadOk = true;
- for (int i = 0; i < 2; i++)
- {
- quad->uv_edges[i] = LoadEdgePoints(aMesh, F, quad->edge[i],
- quad->first[i], quad->last[i]);
- if (!quad->uv_edges[i]) loadOk = false;
- }
-
- for (int i = 2; i < 4; i++)
- {
- quad->uv_edges[i] = LoadEdgePoints(aMesh, F, quad->edge[i],
- quad->last[i], quad->first[i]);
- if (!quad->uv_edges[i]) loadOk = false;
- }
-
- if (!loadOk)
- {
- INFOS("StdMeshers_Quadrangle_2D::SetNormalizedGrid - LoadEdgePoints failed");
- QuadDelete( quad );
- quad = 0;
- return;
- }
// 3 --- 2D normalized values on unit square [0..1][0..1]
- int nbhoriz = Min(quad->nbPts[0], quad->nbPts[2]);
- int nbvertic = Min(quad->nbPts[1], quad->nbPts[3]);
+ int nbhoriz = Min(quad->side[0]->NbPoints(), quad->side[2]->NbPoints());
+ int nbvertic = Min(quad->side[1]->NbPoints(), quad->side[3]->NbPoints());
- quad->isEdgeOut[0] = (quad->nbPts[0] > quad->nbPts[2]);
- quad->isEdgeOut[1] = (quad->nbPts[1] > quad->nbPts[3]);
- quad->isEdgeOut[2] = (quad->nbPts[2] > quad->nbPts[0]);
- quad->isEdgeOut[3] = (quad->nbPts[3] > quad->nbPts[1]);
+ quad->isEdgeOut[0] = (quad->side[0]->NbPoints() > quad->side[2]->NbPoints());
+ quad->isEdgeOut[1] = (quad->side[1]->NbPoints() > quad->side[3]->NbPoints());
+ quad->isEdgeOut[2] = (quad->side[2]->NbPoints() > quad->side[0]->NbPoints());
+ quad->isEdgeOut[3] = (quad->side[3]->NbPoints() > quad->side[1]->NbPoints());
- quad->uv_grid = new UVPtStruct[nbvertic * nbhoriz];
+ UVPtStruct *uv_grid = quad->uv_grid = new UVPtStruct[nbvertic * nbhoriz];
- UVPtStruct *uv_grid = quad->uv_grid;
- UVPtStruct *uv_e0 = quad->uv_edges[0];
- UVPtStruct *uv_e1 = quad->uv_edges[1];
- UVPtStruct *uv_e2 = quad->uv_edges[2];
- UVPtStruct *uv_e3 = quad->uv_edges[3];
+ const vector<UVPtStruct>& uv_e0 = GetUVPtStructIn( quad, 0, nbhoriz - 1 );
+ const vector<UVPtStruct>& uv_e1 = GetUVPtStructIn( quad, 1, nbvertic - 1 );
+ const vector<UVPtStruct>& uv_e2 = GetUVPtStructIn( quad, 2, nbhoriz - 1 );
+ const vector<UVPtStruct>& uv_e3 = GetUVPtStructIn( quad, 3, nbvertic - 1 );
+
+ if ( uv_e0.empty() || uv_e1.empty() || uv_e2.empty() || uv_e3.empty() )
+ //return error( "Can't find nodes on sides");
+ return error( COMPERR_BAD_INPUT_MESH );
// nodes Id on "in" edges
if (! quad->isEdgeOut[0]) {
}
}
- // falsificate "out" edges
- if (quad->isEdgeOut[0]) // down
- uv_e0 = MakeEdgePoints
- (aMesh, F, quad->edge[0], quad->first[0], quad->last[0], nbhoriz - 1);
- else if (quad->isEdgeOut[2]) // up
- uv_e2 = MakeEdgePoints
- (aMesh, F, quad->edge[2], quad->last[2], quad->first[2], nbhoriz - 1);
-
- if (quad->isEdgeOut[1]) // right
- uv_e1 = MakeEdgePoints
- (aMesh, F, quad->edge[1], quad->first[1], quad->last[1], nbvertic - 1);
- else if (quad->isEdgeOut[3]) // left
- uv_e3 = MakeEdgePoints
- (aMesh, F, quad->edge[3], quad->last[3], quad->first[3], nbvertic - 1);
-
// normalized 2d values on grid
- for (int i = 0; i < nbhoriz; i++)
- {
- for (int j = 0; j < nbvertic; j++)
- {
+ for (int i = 0; i < nbhoriz; i++) {
+ for (int j = 0; j < nbvertic; j++) {
int ij = j * nbhoriz + i;
// --- droite i cste : x = x0 + y(x1-x0)
double x0 = uv_e0[i].normParam; // bas - sud
}
// 4 --- projection on 2d domain (u,v)
- gp_Pnt2d a0 = pf[0];
- gp_Pnt2d a1 = pf[1];
- gp_Pnt2d a2 = pf[2];
- gp_Pnt2d a3 = pf[3];
+ gp_UV a0( uv_e0.front().u, uv_e0.front().v );
+ gp_UV a1( uv_e0.back().u, uv_e0.back().v );
+ gp_UV a2( uv_e2.back().u, uv_e2.back().v );
+ gp_UV a3( uv_e2.front().u, uv_e2.front().v );
- for (int i = 0; i < nbhoriz; i++)
- {
- for (int j = 0; j < nbvertic; j++)
- {
+ for (int i = 0; i < nbhoriz; i++) {
+ for (int j = 0; j < nbvertic; j++) {
int ij = j * nbhoriz + i;
double x = uv_grid[ij].x;
double y = uv_grid[ij].y;
- double param_0 = uv_e0[0].param + x * (uv_e0[nbhoriz - 1].param - uv_e0[0].param); // sud
- double param_2 = uv_e2[0].param + x * (uv_e2[nbhoriz - 1].param - uv_e2[0].param); // nord
- double param_1 = uv_e1[0].param + y * (uv_e1[nbvertic - 1].param - uv_e1[0].param); // est
- double param_3 = uv_e3[0].param + y * (uv_e3[nbvertic - 1].param - uv_e3[0].param); // ouest
+ double param_0 = uv_e0[0].normParam + x * (uv_e0.back().normParam - uv_e0[0].normParam); // sud
+ double param_2 = uv_e2[0].normParam + x * (uv_e2.back().normParam - uv_e2[0].normParam); // nord
+ double param_1 = uv_e1[0].normParam + y * (uv_e1.back().normParam - uv_e1[0].normParam); // est
+ double param_3 = uv_e3[0].normParam + y * (uv_e3.back().normParam - uv_e3[0].normParam); // ouest
//MESSAGE("params "<<param_0<<" "<<param_1<<" "<<param_2<<" "<<param_3);
- gp_Pnt2d p0 = c2d[0]->Value(param_0);
- gp_Pnt2d p1 = c2d[1]->Value(param_1);
- gp_Pnt2d p2 = c2d[2]->Value(param_2);
- gp_Pnt2d p3 = c2d[3]->Value(param_3);
-
- double u = (1 - y) * p0.X() + x * p1.X() + y * p2.X() + (1 - x) * p3.X();
- double v = (1 - y) * p0.Y() + x * p1.Y() + y * p2.Y() + (1 - x) * p3.Y();
+ gp_UV p0 = quad->side[0]->Value2d(param_0).XY();
+ gp_UV p1 = quad->side[1]->Value2d(param_1).XY();
+ gp_UV p2 = quad->side[2]->Value2d(param_2).XY();
+ gp_UV p3 = quad->side[3]->Value2d(param_3).XY();
- u -= (1 - x) * (1 - y) * a0.X() + x * (1 - y) * a1.X() +
- x * y * a2.X() + (1 - x) * y * a3.X();
- v -= (1 - x) * (1 - y) * a0.Y() + x * (1 - y) * a1.Y() +
- x * y * a2.Y() + (1 - x) * y * a3.Y();
+ gp_UV uv = (1 - y) * p0 + x * p1 + y * p2 + (1 - x) * p3;
+ uv -= (1 - x) * (1 - y) * a0 + x * (1 - y) * a1 + x * y * a2 + (1 - x) * y * a3;
- uv_grid[ij].u = u;
- uv_grid[ij].v = v;
+ uv_grid[ij].u = uv.X();
+ uv_grid[ij].v = uv.Y();
}
}
+ return true;
}
-
//=======================================================================
//function : ShiftQuad
//purpose : auxilary function for ComputeQuadPref
//=======================================================================
-static void ShiftQuad(FaceQuadStruct* quad, const int num, bool WisF)
+
+static void ShiftQuad(FaceQuadStruct* quad, const int num, bool)
{
- if(num>3) return;
- int i;
- for(i=1; i<=num; i++) {
- int nbPts3 = quad->nbPts[0];
- quad->nbPts[0] = quad->nbPts[1];
- quad->nbPts[1] = quad->nbPts[2];
- quad->nbPts[2] = quad->nbPts[3];
- quad->nbPts[3] = nbPts3;
- TopoDS_Edge edge3 = quad->edge[0];
- quad->edge[0] = quad->edge[1];
- quad->edge[1] = quad->edge[2];
- quad->edge[2] = quad->edge[3];
- quad->edge[3] = edge3;
- double first3 = quad->first[0];
- quad->first[0] = quad->first[1];
- quad->first[1] = quad->first[2];
- quad->first[2] = quad->first[3];
- quad->first[3] = first3;
- double last3 = quad->last[0];
- quad->last[0] = quad->last[1];
- quad->last[1] = quad->last[2];
- quad->last[2] = quad->last[3];
- quad->last[3] = last3;
- bool isEdgeForward3 = quad->isEdgeForward[0];
- quad->isEdgeForward[0] = quad->isEdgeForward[1];
- quad->isEdgeForward[1] = quad->isEdgeForward[2];
- quad->isEdgeForward[2] = quad->isEdgeForward[3];
- quad->isEdgeForward[3] = isEdgeForward3;
- bool isEdgeOut3 = quad->isEdgeOut[0];
- quad->isEdgeOut[0] = quad->isEdgeOut[1];
- quad->isEdgeOut[1] = quad->isEdgeOut[2];
- quad->isEdgeOut[2] = quad->isEdgeOut[3];
- quad->isEdgeOut[3] = isEdgeOut3;
- UVPtStruct* uv_edges3 = quad->uv_edges[0];
- quad->uv_edges[0] = quad->uv_edges[1];
- quad->uv_edges[1] = quad->uv_edges[2];
- quad->uv_edges[2] = quad->uv_edges[3];
- quad->uv_edges[3] = uv_edges3;
- }
- if(!WisF) {
- // replacement left and right edges
- int nbPts3 = quad->nbPts[1];
- quad->nbPts[1] = quad->nbPts[3];
- quad->nbPts[3] = nbPts3;
- TopoDS_Edge edge3 = quad->edge[1];
- quad->edge[1] = quad->edge[3];
- quad->edge[3] = edge3;
- double first3 = quad->first[1];
- quad->first[1] = quad->first[3];
- quad->first[3] = first3;
- double last3 = quad->last[1];
- quad->last[1] = quad->last[2];
- quad->last[3] = last3;
- bool isEdgeForward3 = quad->isEdgeForward[1];
- quad->isEdgeForward[1] = quad->isEdgeForward[3];
- quad->isEdgeForward[3] = isEdgeForward3;
- bool isEdgeOut3 = quad->isEdgeOut[1];
- quad->isEdgeOut[1] = quad->isEdgeOut[3];
- quad->isEdgeOut[3] = isEdgeOut3;
- UVPtStruct* uv_edges3 = quad->uv_edges[1];
- quad->uv_edges[1] = quad->uv_edges[3];
- quad->uv_edges[3] = uv_edges3;
+ StdMeshers_FaceSide* side[4] = { quad->side[0], quad->side[1], quad->side[2], quad->side[3] };
+ for (int i = BOTTOM_SIDE; i < NB_SIDES; ++i ) {
+ int id = ( i + num ) % NB_SIDES;
+ bool wasForward = ( i < TOP_SIDE );
+ bool newForward = ( id < TOP_SIDE );
+ if ( wasForward != newForward )
+ side[ i ]->Reverse();
+ quad->side[ id ] = side[ i ];
}
}
-
//=======================================================================
//function : CalcUV
//purpose : auxilary function for ComputeQuadPref
//=======================================================================
-static gp_XY CalcUV(double x0, double x1, double y0, double y1,
+
+static gp_UV CalcUV(double x0, double x1, double y0, double y1,
FaceQuadStruct* quad,
- const gp_Pnt2d& a0, const gp_Pnt2d& a1,
- const gp_Pnt2d& a2, const gp_Pnt2d& a3,
- const Handle(Geom2d_Curve)& c2db,
- const Handle(Geom2d_Curve)& c2dr,
- const Handle(Geom2d_Curve)& c2dt,
- const Handle(Geom2d_Curve)& c2dl)
+ const gp_UV& a0, const gp_UV& a1,
+ const gp_UV& a2, const gp_UV& a3)
{
- int nb = quad->nbPts[0];
- int nr = quad->nbPts[1];
- int nt = quad->nbPts[2];
- int nl = quad->nbPts[3];
-
- UVPtStruct* uv_eb = quad->uv_edges[0];
- UVPtStruct* uv_er = quad->uv_edges[1];
- UVPtStruct* uv_et = quad->uv_edges[2];
- UVPtStruct* uv_el = quad->uv_edges[3];
+ const vector<UVPtStruct>& uv_eb = quad->side[0]->GetUVPtStruct(true,0 );
+ const vector<UVPtStruct>& uv_er = quad->side[1]->GetUVPtStruct(false,1);
+ const vector<UVPtStruct>& uv_et = quad->side[2]->GetUVPtStruct(true,1 );
+ const vector<UVPtStruct>& uv_el = quad->side[3]->GetUVPtStruct(false,0);
double x = (x0 + y0 * (x1 - x0)) / (1 - (y1 - y0) * (x1 - x0));
double y = y0 + x * (y1 - y0);
- double param_b = uv_eb[0].param + x * (uv_eb[nb-1].param - uv_eb[0].param);
- double param_t = uv_et[0].param + x * (uv_et[nt-1].param - uv_et[0].param);
- double param_r = uv_er[0].param + y * (uv_er[nr-1].param - uv_er[0].param);
- double param_l = uv_el[0].param + y * (uv_el[nl-1].param - uv_el[0].param);
+ double param_b = uv_eb[0].normParam + x * (uv_eb.back().normParam - uv_eb[0].normParam);
+ double param_t = uv_et[0].normParam + x * (uv_et.back().normParam - uv_et[0].normParam);
+ double param_r = uv_er[0].normParam + y * (uv_er.back().normParam - uv_er[0].normParam);
+ double param_l = uv_el[0].normParam + y * (uv_el.back().normParam - uv_el[0].normParam);
+
+ gp_UV p0 = quad->side[BOTTOM_SIDE]->Value2d(param_b).XY();
+ gp_UV p1 = quad->side[RIGHT_SIDE ]->Value2d(param_r).XY();
+ gp_UV p2 = quad->side[TOP_SIDE ]->Value2d(param_t).XY();
+ gp_UV p3 = quad->side[LEFT_SIDE ]->Value2d(param_l).XY();
+
+ gp_UV uv = p0 * (1 - y) + p1 * x + p2 * y + p3 * (1 - x);
+
+ uv -= (1 - x) * (1 - y) * a0 + x * (1 - y) * a1 + x * y * a2 + (1 - x) * y * a3;
+
+ return uv;
+}
+
+//=======================================================================
+//function : CalcUV2
+//purpose : auxilary function for ComputeQuadPref
+//=======================================================================
+
+static gp_UV CalcUV2(double x, double y,
+ FaceQuadStruct* quad,
+ const gp_UV& a0, const gp_UV& a1,
+ const gp_UV& a2, const gp_UV& a3)
+{
+ const vector<UVPtStruct>& uv_eb = quad->side[0]->GetUVPtStruct(true,0 );
+ const vector<UVPtStruct>& uv_er = quad->side[1]->GetUVPtStruct(false,1);
+ const vector<UVPtStruct>& uv_et = quad->side[2]->GetUVPtStruct(true,1 );
+ const vector<UVPtStruct>& uv_el = quad->side[3]->GetUVPtStruct(false,0);
+
+ //double x = (x0 + y0 * (x1 - x0)) / (1 - (y1 - y0) * (x1 - x0));
+ //double y = y0 + x * (y1 - y0);
- gp_Pnt2d p0 = c2db->Value(param_b);
- gp_Pnt2d p1 = c2dr->Value(param_r);
- gp_Pnt2d p2 = c2dt->Value(param_t);
- gp_Pnt2d p3 = c2dl->Value(param_l);
+ double param_b = uv_eb[0].normParam + x * (uv_eb.back().normParam - uv_eb[0].normParam);
+ double param_t = uv_et[0].normParam + x * (uv_et.back().normParam - uv_et[0].normParam);
+ double param_r = uv_er[0].normParam + y * (uv_er.back().normParam - uv_er[0].normParam);
+ double param_l = uv_el[0].normParam + y * (uv_el.back().normParam - uv_el[0].normParam);
- double u = (1 - y) * p0.X() + x * p1.X() + y * p2.X() + (1 - x) * p3.X();
- double v = (1 - y) * p0.Y() + x * p1.Y() + y * p2.Y() + (1 - x) * p3.Y();
+ gp_UV p0 = quad->side[BOTTOM_SIDE]->Value2d(param_b).XY();
+ gp_UV p1 = quad->side[RIGHT_SIDE ]->Value2d(param_r).XY();
+ gp_UV p2 = quad->side[TOP_SIDE ]->Value2d(param_t).XY();
+ gp_UV p3 = quad->side[LEFT_SIDE ]->Value2d(param_l).XY();
- u -= (1 - x) * (1 - y) * a0.X() + x * (1 - y) * a1.X() +
- x * y * a2.X() + (1 - x) * y * a3.X();
- v -= (1 - x) * (1 - y) * a0.Y() + x * (1 - y) * a1.Y() +
- x * y * a2.Y() + (1 - x) * y * a3.Y();
+ gp_UV uv = p0 * (1 - y) + p1 * x + p2 * y + p3 * (1 - x);
- //cout<<"x0="<<x0<<" x1="<<x1<<" y0="<<y0<<" y1="<<y1<<endl;
- //cout<<"x="<<x<<" y="<<y<<endl;
- //cout<<"param_b="<<param_b<<" param_t="<<param_t<<" param_r="<<param_r<<" param_l="<<param_l<<endl;
- //cout<<"u="<<u<<" v="<<v<<endl;
+ uv -= (1 - x) * (1 - y) * a0 + x * (1 - y) * a1 + x * y * a2 + (1 - x) * y * a3;
- return gp_XY(u,v);
+ return uv;
}
-//=======================================================================
-//function : ComputeQuadPref
-//purpose :
//=======================================================================
/*!
- * Special function for creation only quandrangle faces
+ * Create only quandrangle faces
*/
-bool StdMeshers_Quadrangle_2D::ComputeQuadPref
- (SMESH_Mesh & aMesh,
- const TopoDS_Shape& aShape,
- FaceQuadStruct* quad) throw (SALOME_Exception)
+//=======================================================================
+
+bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh,
+ const TopoDS_Shape& aShape,
+ FaceQuadStruct* quad)
{
- Unexpect aCatch(SalomeException);
+ // Auxilary key in order to keep old variant
+ // of meshing after implementation new variant
+ // for bug 0016220 from Mantis.
+ bool OldVersion = false;
SMESHDS_Mesh * meshDS = aMesh.GetMeshDS();
const TopoDS_Face& F = TopoDS::Face(aShape);
Handle(Geom_Surface) S = BRep_Tool::Surface(F);
- const TopoDS_Wire& W = BRepTools::OuterWire(F);
- bool WisF = false;
- if(W.Orientation()==TopAbs_FORWARD)
- WisF = true;
+// const TopoDS_Wire& W = BRepTools::OuterWire(F);
+ bool WisF = true;
+// if(W.Orientation()==TopAbs_FORWARD)
+// WisF = true;
//if(WisF) cout<<"W is FORWARD"<<endl;
//else cout<<"W is REVERSED"<<endl;
- bool FisF = (F.Orientation()==TopAbs_FORWARD);
- if(!FisF) WisF = !WisF;
+// bool FisF = (F.Orientation()==TopAbs_FORWARD);
+// if(!FisF) WisF = !WisF;
+// WisF = FisF;
int i,j,geomFaceID = meshDS->ShapeToIndex( F );
- int nb = quad->nbPts[0];
- int nr = quad->nbPts[1];
- int nt = quad->nbPts[2];
- int nl = quad->nbPts[3];
+ int nb = quad->side[0]->NbPoints();
+ int nr = quad->side[1]->NbPoints();
+ int nt = quad->side[2]->NbPoints();
+ int nl = quad->side[3]->NbPoints();
int dh = abs(nb-nt);
int dv = abs(nr-nl);
}
else {
if( nr>nl ) {
- // we have to shift quad on 3
- ShiftQuad(quad,3,WisF);
- }
- else {
// we have to shift quad on 1
ShiftQuad(quad,1,WisF);
}
+ else {
+ // we have to shift quad on 3
+ ShiftQuad(quad,3,WisF);
+ }
}
- nb = quad->nbPts[0];
- nr = quad->nbPts[1];
- nt = quad->nbPts[2];
- nl = quad->nbPts[3];
+ nb = quad->side[0]->NbPoints();
+ nr = quad->side[1]->NbPoints();
+ nt = quad->side[2]->NbPoints();
+ nl = quad->side[3]->NbPoints();
dh = abs(nb-nt);
dv = abs(nr-nl);
int nbh = Max(nb,nt);
int addh = 0;
int addv = 0;
+ // ----------- Old version ---------------
// orientation of face and 3 main domain for future faces
// 0 top 1
// 1------------1
// 0------------0
// 0 bottom 1
+ // ----------- New version ---------------
+ // orientation of face and 3 main domain for future faces
+ // 0 top 1
+ // 1------------1
+ // | |____| |
+ // | / \ |
+ // | / C \ |
+ // left |/________\| rigth
+ // | |
+ // | |
+ // | |
+ // 0------------0
+ // 0 bottom 1
+
if(dh>dv) {
addv = (dh-dv)/2;
nbv = nbv + addv;
nbh = nbh + addh;
}
- Handle(Geom2d_Curve) c2d[4];
- for(i=0; i<4; i++) {
- c2d[i] = BRep_Tool::CurveOnSurface(quad->edge[i], F,
- quad->first[i], quad->last[i]);
- }
-
- bool loadOk = true;
- for(i=0; i<2; i++) {
- quad->uv_edges[i] = LoadEdgePoints2(aMesh, F, quad->edge[i], false);
- if(!quad->uv_edges[i]) loadOk = false;
- }
- for(i=2; i<4; i++) {
- quad->uv_edges[i] = LoadEdgePoints2(aMesh, F, quad->edge[i], true);
- if (!quad->uv_edges[i]) loadOk = false;
- }
- if (!loadOk) {
- INFOS("StdMeshers_Quadrangle_2D::ComputeQuadPref - LoadEdgePoints failed");
- QuadDelete( quad );
- quad = 0;
- return false;
- }
-
- UVPtStruct* uv_eb = quad->uv_edges[0];
- UVPtStruct* uv_er = quad->uv_edges[1];
- UVPtStruct* uv_et = quad->uv_edges[2];
- UVPtStruct* uv_el = quad->uv_edges[3];
+ const vector<UVPtStruct>& uv_eb = quad->side[0]->GetUVPtStruct(true,0 );
+ const vector<UVPtStruct>& uv_er = quad->side[1]->GetUVPtStruct(false,1);
+ const vector<UVPtStruct>& uv_et = quad->side[2]->GetUVPtStruct(true,1 );
+ const vector<UVPtStruct>& uv_el = quad->side[3]->GetUVPtStruct(false,0);
// arrays for normalized params
//cout<<"Dump B:"<<endl;
TColStd_SequenceOfReal npb, npr, npt, npl;
for(i=0; i<nb; i++) {
npb.Append(uv_eb[i].normParam);
- //cout<<"i="<<i<<" par="<<uv_eb[i].param<<" npar="<<uv_eb[i].normParam;
+ //cout<<"i="<<i<<" par="<<uv_eb[i].normParam<<" npar="<<uv_eb[i].normParam;
//const SMDS_MeshNode* N = uv_eb[i].node;
//cout<<" node("<<N->X()<<","<<N->Y()<<","<<N->Z()<<")"<<endl;
}
npl.Append(uv_el[i].normParam);
}
- // we have to add few values of params to right and left
- // insert them after first param
- // insert to right
- int dr = nbv - nr;
- double dpr = (npr.Value(2) - npr.Value(1))/(dr+1);
- for(i=1; i<=dr; i++) {
- npr.InsertAfter(1,npr.Value(2)-dpr);
- }
- // insert to left
- int dl = nbv - nl;
- dpr = (npl.Value(2) - npl.Value(1))/(dl+1);
- for(i=1; i<=dl; i++) {
- npl.InsertAfter(1,npl.Value(2)-dpr);
+ int dl,dr;
+ if(OldVersion) {
+ // add some params to right and left after the first param
+ // insert to right
+ dr = nbv - nr;
+ double dpr = (npr.Value(2) - npr.Value(1))/(dr+1);
+ for(i=1; i<=dr; i++) {
+ npr.InsertAfter(1,npr.Value(2)-dpr);
+ }
+ // insert to left
+ dl = nbv - nl;
+ dpr = (npl.Value(2) - npl.Value(1))/(dl+1);
+ for(i=1; i<=dl; i++) {
+ npl.InsertAfter(1,npl.Value(2)-dpr);
+ }
}
//cout<<"npb:";
//for(i=1; i<=npb.Length(); i++) {
//}
//cout<<endl;
- gp_Pnt2d a[4];
- c2d[0]->D0(uv_eb[0].param,a[0]);
- c2d[0]->D0(uv_eb[nb-1].param,a[1]);
- c2d[2]->D0(uv_et[nt-1].param,a[2]);
- c2d[2]->D0(uv_et[0].param,a[3]);
- //cout<<" a[0]("<<a[0].X()<<","<<a[0].Y()<<")"<<" a[1]("<<a[1].X()<<","<<a[1].Y()<<")"
- // <<" a[2]("<<a[2].X()<<","<<a[2].Y()<<")"<<" a[3]("<<a[3].X()<<","<<a[3].Y()<<")"<<endl;
+ gp_XY a0( uv_eb.front().u, uv_eb.front().v );
+ gp_XY a1( uv_eb.back().u, uv_eb.back().v );
+ gp_XY a2( uv_et.back().u, uv_et.back().v );
+ gp_XY a3( uv_et.front().u, uv_et.front().v );
+ //cout<<" a0("<<a0.X()<<","<<a0.Y()<<")"<<" a1("<<a1.X()<<","<<a1.Y()<<")"
+ // <<" a2("<<a2.X()<<","<<a2.Y()<<")"<<" a3("<<a3.X()<<","<<a3.Y()<<")"<<endl;
int nnn = Min(nr,nl);
// auxilary sequence of XY for creation nodes
TColgp_SequenceOfXY UVL;
TColgp_SequenceOfXY UVR;
- // step1: create faces for left domain
- StdMeshers_Array2OfNode NodesL(1,dl+1,1,nl);
- // add left nodes
- for(j=1; j<=nl; j++)
- NodesL.SetValue(1,j,uv_el[j-1].node);
- if(dl>0) {
- // add top nodes
- for(i=1; i<=dl; i++)
- NodesL.SetValue(i+1,nl,uv_et[i].node);
- // create and add needed nodes
- TColgp_SequenceOfXY UVtmp;
- for(i=1; i<=dl; i++) {
- double x0 = npt.Value(i+1);
- double x1 = x0;
- // diagonal node
- double y0 = npl.Value(i+1);
- double y1 = npr.Value(i+1);
- gp_XY UV = CalcUV(x0, x1, y0, y1, quad, a[0], a[1], a[2], a[3],
- c2d[0], c2d[1], c2d[2], c2d[3]);
- gp_Pnt P = S->Value(UV.X(),UV.Y());
- SMDS_MeshNode * N = meshDS->AddNode(P.X(), P.Y(), P.Z());
- meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y());
- NodesL.SetValue(i+1,1,N);
- if(UVL.Length()<nbv-nnn-1) UVL.Append(UV);
- // internal nodes
- for(j=2; j<nl; j++) {
- double y0 = npl.Value(dl+j);
- double y1 = npr.Value(dl+j);
- gp_XY UV = CalcUV(x0, x1, y0, y1, quad, a[0], a[1], a[2], a[3],
- c2d[0], c2d[1], c2d[2], c2d[3]);
+ if(OldVersion) {
+ // step1: create faces for left domain
+ StdMeshers_Array2OfNode NodesL(1,dl+1,1,nl);
+ // add left nodes
+ for(j=1; j<=nl; j++)
+ NodesL.SetValue(1,j,uv_el[j-1].node);
+ if(dl>0) {
+ // add top nodes
+ for(i=1; i<=dl; i++)
+ NodesL.SetValue(i+1,nl,uv_et[i].node);
+ // create and add needed nodes
+ TColgp_SequenceOfXY UVtmp;
+ for(i=1; i<=dl; i++) {
+ double x0 = npt.Value(i+1);
+ double x1 = x0;
+ // diagonal node
+ double y0 = npl.Value(i+1);
+ double y1 = npr.Value(i+1);
+ gp_UV UV = CalcUV(x0, x1, y0, y1, quad, a0, a1, a2, a3);
gp_Pnt P = S->Value(UV.X(),UV.Y());
- SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ SMDS_MeshNode * N = meshDS->AddNode(P.X(), P.Y(), P.Z());
meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y());
- NodesL.SetValue(i+1,j,N);
- if( i==dl ) UVtmp.Append(UV);
+ NodesL.SetValue(i+1,1,N);
+ if(UVL.Length()<nbv-nnn-1) UVL.Append(UV);
+ // internal nodes
+ for(j=2; j<nl; j++) {
+ double y0 = npl.Value(dl+j);
+ double y1 = npr.Value(dl+j);
+ gp_UV UV = CalcUV(x0, x1, y0, y1, quad, a0, a1, a2, a3);
+ gp_Pnt P = S->Value(UV.X(),UV.Y());
+ SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y());
+ NodesL.SetValue(i+1,j,N);
+ if( i==dl ) UVtmp.Append(UV);
+ }
+ }
+ for(i=1; i<=UVtmp.Length() && UVL.Length()<nbv-nnn-1; i++) {
+ UVL.Append(UVtmp.Value(i));
+ }
+ //cout<<"Dump NodesL:"<<endl;
+ //for(i=1; i<=dl+1; i++) {
+ // cout<<"i="<<i;
+ // for(j=1; j<=nl; j++) {
+ // cout<<" ("<<NodesL.Value(i,j)->X()<<","<<NodesL.Value(i,j)->Y()<<","<<NodesL.Value(i,j)->Z()<<")";
+ // }
+ // cout<<endl;
+ //}
+ // create faces
+ for(i=1; i<=dl; i++) {
+ for(j=1; j<nl; j++) {
+ if(WisF) {
+ SMDS_MeshFace* F =
+ myTool->AddFace(NodesL.Value(i,j), NodesL.Value(i+1,j),
+ NodesL.Value(i+1,j+1), NodesL.Value(i,j+1));
+ if(F) meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
+ else {
+ SMDS_MeshFace* F =
+ myTool->AddFace(NodesL.Value(i,j), NodesL.Value(i,j+1),
+ NodesL.Value(i+1,j+1), NodesL.Value(i+1,j));
+ if(F) meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
+ }
}
}
- for(i=1; i<=UVtmp.Length() && UVL.Length()<nbv-nnn-1; i++) {
- UVL.Append(UVtmp.Value(i));
+ else {
+ // fill UVL using c2d
+ for(i=1; i<npl.Length() && UVL.Length()<nbv-nnn-1; i++) {
+ UVL.Append( gp_UV ( uv_el[i].u, uv_el[i].v ));
+ }
}
- //cout<<"Dump NodesL:"<<endl;
- //for(i=1; i<=dl+1; i++) {
- // cout<<"i="<<i;
- // for(j=1; j<=nl; j++) {
- // cout<<" ("<<NodesL.Value(i,j)->X()<<","<<NodesL.Value(i,j)->Y()<<","<<NodesL.Value(i,j)->Z()<<")";
- // }
- // cout<<endl;
- //}
- // create faces
- for(i=1; i<=dl; i++) {
- for(j=1; j<nl; j++) {
- if(WisF) {
- SMDS_MeshFace* F =
- myTool->AddFace(NodesL.Value(i,j), NodesL.Value(i+1,j),
- NodesL.Value(i+1,j+1), NodesL.Value(i,j+1));
- meshDS->SetMeshElementOnShape(F, geomFaceID);
+
+ // step2: create faces for right domain
+ StdMeshers_Array2OfNode NodesR(1,dr+1,1,nr);
+ // add right nodes
+ for(j=1; j<=nr; j++)
+ NodesR.SetValue(1,j,uv_er[nr-j].node);
+ if(dr>0) {
+ // add top nodes
+ for(i=1; i<=dr; i++)
+ NodesR.SetValue(i+1,1,uv_et[nt-1-i].node);
+ // create and add needed nodes
+ TColgp_SequenceOfXY UVtmp;
+ for(i=1; i<=dr; i++) {
+ double x0 = npt.Value(nt-i);
+ double x1 = x0;
+ // diagonal node
+ double y0 = npl.Value(i+1);
+ double y1 = npr.Value(i+1);
+ gp_UV UV = CalcUV(x0, x1, y0, y1, quad, a0, a1, a2, a3);
+ gp_Pnt P = S->Value(UV.X(),UV.Y());
+ SMDS_MeshNode * N = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y());
+ NodesR.SetValue(i+1,nr,N);
+ if(UVR.Length()<nbv-nnn-1) UVR.Append(UV);
+ // internal nodes
+ for(j=2; j<nr; j++) {
+ double y0 = npl.Value(nbv-j+1);
+ double y1 = npr.Value(nbv-j+1);
+ gp_UV UV = CalcUV(x0, x1, y0, y1, quad, a0, a1, a2, a3);
+ gp_Pnt P = S->Value(UV.X(),UV.Y());
+ SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y());
+ NodesR.SetValue(i+1,j,N);
+ if( i==dr ) UVtmp.Prepend(UV);
}
- else {
- SMDS_MeshFace* F =
- myTool->AddFace(NodesL.Value(i,j), NodesL.Value(i,j+1),
- NodesL.Value(i+1,j+1), NodesL.Value(i+1,j));
- meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
+ for(i=1; i<=UVtmp.Length() && UVR.Length()<nbv-nnn-1; i++) {
+ UVR.Append(UVtmp.Value(i));
+ }
+ // create faces
+ for(i=1; i<=dr; i++) {
+ for(j=1; j<nr; j++) {
+ if(WisF) {
+ SMDS_MeshFace* F =
+ myTool->AddFace(NodesR.Value(i,j), NodesR.Value(i+1,j),
+ NodesR.Value(i+1,j+1), NodesR.Value(i,j+1));
+ if(F) meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
+ else {
+ SMDS_MeshFace* F =
+ myTool->AddFace(NodesR.Value(i,j), NodesR.Value(i,j+1),
+ NodesR.Value(i+1,j+1), NodesR.Value(i+1,j));
+ if(F) meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
}
}
}
- }
- else {
- // fill UVL using c2d
- for(i=1; i<npl.Length() && UVL.Length()<nbv-nnn-1; i++) {
- gp_Pnt2d p2d;
- c2d[3]->D0(uv_el[i].param,p2d);
- UVL.Append(p2d.XY());
+ else {
+ // fill UVR using c2d
+ for(i=1; i<npr.Length() && UVR.Length()<nbv-nnn-1; i++) {
+ UVR.Append( gp_UV( uv_er[i].u, uv_er[i].v ));
+ }
}
- }
-
- // step2: create faces for right domain
- StdMeshers_Array2OfNode NodesR(1,dr+1,1,nr);
- // add right nodes
- for(j=1; j<=nr; j++)
- NodesR.SetValue(1,j,uv_er[nr-j].node);
- if(dr>0) {
- // add top nodes
- for(i=1; i<=dr; i++)
- NodesR.SetValue(i+1,1,uv_et[nt-1-i].node);
+
+ // step3: create faces for central domain
+ StdMeshers_Array2OfNode NodesC(1,nb,1,nbv);
+ // add first string using NodesL
+ for(i=1; i<=dl+1; i++)
+ NodesC.SetValue(1,i,NodesL(i,1));
+ for(i=2; i<=nl; i++)
+ NodesC.SetValue(1,dl+i,NodesL(dl+1,i));
+ // add last string using NodesR
+ for(i=1; i<=dr+1; i++)
+ NodesC.SetValue(nb,i,NodesR(i,nr));
+ for(i=1; i<nr; i++)
+ NodesC.SetValue(nb,dr+i+1,NodesR(dr+1,nr-i));
+ // add top nodes (last columns)
+ for(i=dl+2; i<nbh-dr; i++)
+ NodesC.SetValue(i-dl,nbv,uv_et[i-1].node);
+ // add bottom nodes (first columns)
+ for(i=2; i<nb; i++)
+ NodesC.SetValue(i,1,uv_eb[i-1].node);
+
// create and add needed nodes
- TColgp_SequenceOfXY UVtmp;
- for(i=1; i<=dr; i++) {
- double x0 = npt.Value(nt-i);
+ // add linear layers
+ for(i=2; i<nb; i++) {
+ double x0 = npt.Value(dl+i);
double x1 = x0;
- // diagonal node
- double y0 = npl.Value(i+1);
- double y1 = npr.Value(i+1);
- gp_XY UV = CalcUV(x0, x1, y0, y1, quad, a[0], a[1], a[2], a[3],
- c2d[0], c2d[1], c2d[2], c2d[3]);
- gp_Pnt P = S->Value(UV.X(),UV.Y());
- SMDS_MeshNode * N = meshDS->AddNode(P.X(), P.Y(), P.Z());
- meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y());
- NodesR.SetValue(i+1,nr,N);
- if(UVR.Length()<nbv-nnn-1) UVR.Append(UV);
- // internal nodes
- for(j=2; j<nr; j++) {
- double y0 = npl.Value(nbv-j+1);
- double y1 = npr.Value(nbv-j+1);
- gp_XY UV = CalcUV(x0, x1, y0, y1, quad, a[0], a[1], a[2], a[3],
- c2d[0], c2d[1], c2d[2], c2d[3]);
+ for(j=1; j<nnn; j++) {
+ double y0 = npl.Value(nbv-nnn+j);
+ double y1 = npr.Value(nbv-nnn+j);
+ gp_UV UV = CalcUV(x0, x1, y0, y1, quad, a0, a1, a2, a3);
gp_Pnt P = S->Value(UV.X(),UV.Y());
SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z());
meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y());
- NodesR.SetValue(i+1,j,N);
- if( i==dr ) UVtmp.Prepend(UV);
+ NodesC.SetValue(i,nbv-nnn+j,N);
}
}
- for(i=1; i<=UVtmp.Length() && UVR.Length()<nbv-nnn-1; i++) {
- UVR.Append(UVtmp.Value(i));
+ // add diagonal layers
+ //cout<<"UVL.Length()="<<UVL.Length()<<" UVR.Length()="<<UVR.Length()<<endl;
+ //cout<<"Dump UVL:"<<endl;
+ //for(i=1; i<=UVL.Length(); i++) {
+ // cout<<" ("<<UVL.Value(i).X()<<","<<UVL.Value(i).Y()<<")";
+ //}
+ //cout<<endl;
+ for(i=1; i<nbv-nnn; i++) {
+ double du = UVR.Value(i).X() - UVL.Value(i).X();
+ double dv = UVR.Value(i).Y() - UVL.Value(i).Y();
+ for(j=2; j<nb; j++) {
+ double u = UVL.Value(i).X() + du*npb.Value(j);
+ double v = UVL.Value(i).Y() + dv*npb.Value(j);
+ gp_Pnt P = S->Value(u,v);
+ SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ meshDS->SetNodeOnFace(N, geomFaceID, u, v);
+ NodesC.SetValue(j,i+1,N);
+ }
}
// create faces
- for(i=1; i<=dr; i++) {
- for(j=1; j<nr; j++) {
+ for(i=1; i<nb; i++) {
+ for(j=1; j<nbv; j++) {
if(WisF) {
SMDS_MeshFace* F =
- myTool->AddFace(NodesR.Value(i,j), NodesR.Value(i+1,j),
- NodesR.Value(i+1,j+1), NodesR.Value(i,j+1));
- meshDS->SetMeshElementOnShape(F, geomFaceID);
+ myTool->AddFace(NodesC.Value(i,j), NodesC.Value(i+1,j),
+ NodesC.Value(i+1,j+1), NodesC.Value(i,j+1));
+ if(F) meshDS->SetMeshElementOnShape(F, geomFaceID);
}
else {
SMDS_MeshFace* F =
- myTool->AddFace(NodesR.Value(i,j), NodesR.Value(i,j+1),
- NodesR.Value(i+1,j+1), NodesR.Value(i+1,j));
- meshDS->SetMeshElementOnShape(F, geomFaceID);
+ myTool->AddFace(NodesC.Value(i,j), NodesC.Value(i,j+1),
+ NodesC.Value(i+1,j+1), NodesC.Value(i+1,j));
+ if(F) meshDS->SetMeshElementOnShape(F, geomFaceID);
}
}
}
}
- else {
- // fill UVR using c2d
- for(i=1; i<npr.Length() && UVR.Length()<nbv-nnn-1; i++) {
- gp_Pnt2d p2d;
- c2d[1]->D0(uv_er[i].param,p2d);
- UVR.Append(p2d.XY());
- }
- }
- // step3: create faces for central domain
- StdMeshers_Array2OfNode NodesC(1,nb,1,nbv);
- // add first string using NodesL
- for(i=1; i<=dl+1; i++)
- NodesC.SetValue(1,i,NodesL(i,1));
- for(i=2; i<=nl; i++)
- NodesC.SetValue(1,dl+i,NodesL(dl+1,i));
- // add last string using NodesR
- for(i=1; i<=dr+1; i++)
- NodesC.SetValue(nb,i,NodesR(i,nr));
- for(i=1; i<nr; i++)
- NodesC.SetValue(nb,dr+i+1,NodesR(dr+1,nr-i));
- // add top nodes (last columns)
- for(i=dl+2; i<nbh-dr; i++)
- NodesC.SetValue(i-dl,nbv,uv_et[i-1].node);
- // add bottom nodes (first columns)
- for(i=2; i<nb; i++) {
- NodesC.SetValue(i,1,uv_eb[i-1].node);
- gp_Pnt2d p2d;
- c2d[0]->D0(uv_eb[i-1].param,p2d);
- }
- // create and add needed nodes
- // add linear layers
- for(i=2; i<nb; i++) {
- double x0 = npt.Value(dl+i);
- double x1 = x0;
- for(j=1; j<nnn; j++) {
- double y0 = npl.Value(nbv-nnn+j);
- double y1 = npr.Value(nbv-nnn+j);
- gp_XY UV = CalcUV(x0, x1, y0, y1, quad, a[0], a[1], a[2], a[3],
- c2d[0], c2d[1], c2d[2], c2d[3]);
- gp_Pnt P = S->Value(UV.X(),UV.Y());
- SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z());
- meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y());
- NodesC.SetValue(i,nbv-nnn+j,N);
+ else { // New version (!OldVersion)
+ // step1: create faces for bottom rectangle domain
+ StdMeshers_Array2OfNode NodesBRD(1,nb,1,nnn-1);
+ // fill UVL and UVR using c2d
+ for(j=0; j<nb; j++) {
+ NodesBRD.SetValue(j+1,1,uv_eb[j].node);
}
- }
- // add diagonal layers
- //cout<<"UVL.Length()="<<UVL.Length()<<" UVR.Length()="<<UVR.Length()<<endl;
- //cout<<"Dump UVL:"<<endl;
- //for(i=1; i<=UVL.Length(); i++) {
- // cout<<" ("<<UVL.Value(i).X()<<","<<UVL.Value(i).Y()<<")";
- //}
- //cout<<endl;
- for(i=1; i<nbv-nnn; i++) {
- double du = UVR.Value(i).X() - UVL.Value(i).X();
- double dv = UVR.Value(i).Y() - UVL.Value(i).Y();
- for(j=2; j<nb; j++) {
- double u = UVL.Value(i).X() + du*npb.Value(j);
- double v = UVL.Value(i).Y() + dv*npb.Value(j);
- gp_Pnt P = S->Value(u,v);
- SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z());
- meshDS->SetNodeOnFace(N, geomFaceID, u, v);
- NodesC.SetValue(j,i+1,N);
- }
- }
- // create faces
- for(i=1; i<nb; i++) {
- for(j=1; j<nbv; j++) {
- if(WisF) {
- SMDS_MeshFace* F =
- myTool->AddFace(NodesC.Value(i,j), NodesC.Value(i+1,j),
- NodesC.Value(i+1,j+1), NodesC.Value(i,j+1));
- meshDS->SetMeshElementOnShape(F, geomFaceID);
+ for(i=1; i<nnn-1; i++) {
+ NodesBRD.SetValue(1,i+1,uv_el[i].node);
+ NodesBRD.SetValue(nb,i+1,uv_er[i].node);
+ double du = uv_er[i].u - uv_el[i].u;
+ double dv = uv_er[i].v - uv_el[i].v;
+ for(j=2; j<nb; j++) {
+ double u = uv_el[i].u + du*npb.Value(j);
+ double v = uv_el[i].v + dv*npb.Value(j);
+ gp_Pnt P = S->Value(u,v);
+ SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ meshDS->SetNodeOnFace(N, geomFaceID, u, v);
+ NodesBRD.SetValue(j,i+1,N);
+
}
- else {
- SMDS_MeshFace* F =
- myTool->AddFace(NodesC.Value(i,j), NodesC.Value(i,j+1),
- NodesC.Value(i+1,j+1), NodesC.Value(i+1,j));
- meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
+ int nbf=0;
+ for(j=1; j<nnn-1; j++) {
+ for(i=1; i<nb; i++) {
+ nbf++;
+ if(WisF) {
+ SMDS_MeshFace* F =
+ myTool->AddFace(NodesBRD.Value(i,j), NodesBRD.Value(i+1,j),
+ NodesBRD.Value(i+1,j+1), NodesBRD.Value(i,j+1));
+ if(F) meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
+ else {
+ SMDS_MeshFace* F =
+ myTool->AddFace(NodesBRD.Value(i,j), NodesBRD.Value(i,j+1),
+ NodesBRD.Value(i+1,j+1), NodesBRD.Value(i+1,j));
+ if(F) meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
}
}
- }
-
- QuadDelete(quad);
- bool isOk = true;
- return isOk;
-}
-
-
-//=============================================================================
-/*!
- * LoadEdgePoints2
- */
-//=============================================================================
-UVPtStruct* StdMeshers_Quadrangle_2D::LoadEdgePoints2 (SMESH_Mesh & aMesh,
- const TopoDS_Face& F,
- const TopoDS_Edge& E,
- bool IsReverse)
-{
- //MESSAGE("StdMeshers_Quadrangle_2D::LoadEdgePoints");
- // --- IDNodes of first and last Vertex
- TopoDS_Vertex VFirst, VLast;
- TopExp::Vertices(E, VFirst, VLast); // corresponds to f and l
-
- ASSERT(!VFirst.IsNull());
- SMDS_NodeIteratorPtr lid = aMesh.GetSubMesh(VFirst)->GetSubMeshDS()->GetNodes();
- if (!lid->more()) {
- MESSAGE ( "NO NODE BUILT ON VERTEX" );
- return 0;
- }
- const SMDS_MeshNode* idFirst = lid->next();
-
- ASSERT(!VLast.IsNull());
- lid = aMesh.GetSubMesh(VLast)->GetSubMeshDS()->GetNodes();
- if (!lid->more()) {
- MESSAGE ( "NO NODE BUILT ON VERTEX" );
- return 0;
- }
- const SMDS_MeshNode* idLast = lid->next();
-
- // --- edge internal IDNodes (relies on good order storage, not checked)
-
- map<double, const SMDS_MeshNode *> params;
- SMDS_NodeIteratorPtr ite = aMesh.GetSubMesh(E)->GetSubMeshDS()->GetNodes();
- int nbPoints = aMesh.GetSubMesh(E)->GetSubMeshDS()->NbNodes();
-
- if(!_quadraticMesh) {
- while(ite->more()) {
- const SMDS_MeshNode* node = ite->next();
- const SMDS_EdgePosition* epos =
- static_cast<const SMDS_EdgePosition*>(node->GetPosition().get());
- double param = epos->GetUParameter();
- params[param] = node;
+ int drl = abs(nr-nl);
+ // create faces for region C
+ StdMeshers_Array2OfNode NodesC(1,nb,1,drl+1+addv);
+ // add nodes from previous region
+ for(j=1; j<=nb; j++) {
+ NodesC.SetValue(j,1,NodesBRD.Value(j,nnn-1));
}
- }
- else {
- vector<const SMDS_MeshNode*> nodes(nbPoints+2);
- nodes[0] = idFirst;
- nodes[nbPoints+1] = idLast;
- nbPoints = nbPoints/2;
- int nn = 1;
- while(ite->more()) {
- const SMDS_MeshNode* node = ite->next();
- nodes[nn++] = node;
- // check if node is medium
- bool IsMedium = false;
- SMDS_ElemIteratorPtr itn = node->GetInverseElementIterator();
- while (itn->more()) {
- const SMDS_MeshElement* elem = itn->next();
- if ( elem->GetType() != SMDSAbs_Edge )
- continue;
- if(elem->IsMediumNode(node)) {
- IsMedium = true;
- break;
+ if( (drl+addv) > 0 ) {
+ int n1,n2;
+ if(nr>nl) {
+ n1 = 1;
+ n2 = drl + 1;
+ TColgp_SequenceOfXY UVtmp;
+ double drparam = npr.Value(nr) - npr.Value(nnn-1);
+ double dlparam = npl.Value(nnn) - npl.Value(nnn-1);
+ double y0,y1;
+ for(i=1; i<=drl; i++) {
+ // add existed nodes from right edge
+ NodesC.SetValue(nb,i+1,uv_er[nnn+i-2].node);
+ //double dtparam = npt.Value(i+1);
+ y1 = npr.Value(nnn+i-1); // param on right edge
+ double dpar = (y1 - npr.Value(nnn-1))/drparam;
+ y0 = npl.Value(nnn-1) + dpar*dlparam; // param on left edge
+ double dy = y1 - y0;
+ for(j=1; j<nb; j++) {
+ double x = npt.Value(i+1) + npb.Value(j)*(1-npt.Value(i+1));
+ double y = y0 + dy*x;
+ gp_UV UV = CalcUV2(x, y, quad, a0, a1, a2, a3);
+ gp_Pnt P = S->Value(UV.X(),UV.Y());
+ SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y());
+ NodesC.SetValue(j,i+1,N);
+ }
+ }
+ double dy0 = (1-y0)/(addv+1);
+ double dy1 = (1-y1)/(addv+1);
+ for(i=1; i<=addv; i++) {
+ double yy0 = y0 + dy0*i;
+ double yy1 = y1 + dy1*i;
+ double dyy = yy1 - yy0;
+ for(j=1; j<=nb; j++) {
+ double x = npt.Value(i+1+drl) +
+ npb.Value(j) * ( npt.Value(nt-i) - npt.Value(i+1+drl) );
+ double y = yy0 + dyy*x;
+ gp_UV UV = CalcUV2(x, y, quad, a0, a1, a2, a3);
+ gp_Pnt P = S->Value(UV.X(),UV.Y());
+ SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y());
+ NodesC.SetValue(j,i+drl+1,N);
+ }
}
}
- if(IsMedium)
- continue;
- const SMDS_EdgePosition* epos =
- static_cast<const SMDS_EdgePosition*>(node->GetPosition().get());
- double param = epos->GetUParameter();
- params[param] = node;
- }
- }
+ else { // nr<nl
+ n2 = 1;
+ n1 = drl + 1;
+ TColgp_SequenceOfXY UVtmp;
+ double dlparam = npl.Value(nl) - npl.Value(nnn-1);
+ double drparam = npr.Value(nnn) - npr.Value(nnn-1);
+ double y0 = npl.Value(nnn-1);
+ double y1 = npr.Value(nnn-1);
+ for(i=1; i<=drl; i++) {
+ // add existed nodes from right edge
+ NodesC.SetValue(1,i+1,uv_el[nnn+i-2].node);
+ y0 = npl.Value(nnn+i-1); // param on left edge
+ double dpar = (y0 - npl.Value(nnn-1))/dlparam;
+ y1 = npr.Value(nnn-1) + dpar*drparam; // param on right edge
+ double dy = y1 - y0;
+ for(j=2; j<=nb; j++) {
+ double x = npb.Value(j)*npt.Value(nt-i);
+ double y = y0 + dy*x;
+ gp_UV UV = CalcUV2(x, y, quad, a0, a1, a2, a3);
+ gp_Pnt P = S->Value(UV.X(),UV.Y());
+ SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y());
+ NodesC.SetValue(j,i+1,N);
+ }
+ }
+ double dy0 = (1-y0)/(addv+1);
+ double dy1 = (1-y1)/(addv+1);
+ for(i=1; i<=addv; i++) {
+ double yy0 = y0 + dy0*i;
+ double yy1 = y1 + dy1*i;
+ double dyy = yy1 - yy0;
+ for(j=1; j<=nb; j++) {
+ double x = npt.Value(i+1) +
+ npb.Value(j) * ( npt.Value(nt-i-drl) - npt.Value(i+1) );
+ double y = yy0 + dyy*x;
+ gp_UV UV = CalcUV2(x, y, quad, a0, a1, a2, a3);
+ gp_Pnt P = S->Value(UV.X(),UV.Y());
+ SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y());
+ NodesC.SetValue(j,i+drl+1,N);
+ }
+ }
+ }
+ // create faces
+ for(j=1; j<=drl+addv; j++) {
+ for(i=1; i<nb; i++) {
+ nbf++;
+ if(WisF) {
+ SMDS_MeshFace* F =
+ myTool->AddFace(NodesC.Value(i,j), NodesC.Value(i+1,j),
+ NodesC.Value(i+1,j+1), NodesC.Value(i,j+1));
+ if(F) meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
+ else {
+ SMDS_MeshFace* F =
+ myTool->AddFace(NodesC.Value(i,j), NodesC.Value(i,j+1),
+ NodesC.Value(i+1,j+1), NodesC.Value(i+1,j));
+ if(F) meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
+ }
+ } // end nr<nl
- if (nbPoints != params.size()) {
- MESSAGE( "BAD NODE ON EDGE POSITIONS" );
- return 0;
- }
- UVPtStruct* uvslf = new UVPtStruct[nbPoints + 2];
-
- double f, l;
- Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
-
- const TopoDS_Wire& W = BRepTools::OuterWire(F);
- bool FisF = (F.Orientation()==TopAbs_FORWARD);
- bool WisF = (W.Orientation()==TopAbs_FORWARD);
- bool isForward = (E.Orientation()==TopAbs_FORWARD);
- //if(isForward) cout<<"E is FORWARD"<<endl;
- //else cout<<"E is REVERSED"<<endl;
- if(!WisF) isForward = !isForward;
- if(!FisF) isForward = !isForward;
- //bool isForward = !(E.Orientation()==TopAbs_FORWARD);
- if(IsReverse) isForward = !isForward;
- double paramin = 0;
- double paramax = 0;
- if (isForward) {
- paramin = f;
- paramax = l;
- gp_Pnt2d p = C2d->Value(f); // first point = Vertex Forward
- uvslf[0].x = p.X();
- uvslf[0].y = p.Y();
- uvslf[0].param = f;
- uvslf[0].node = idFirst;
- //MESSAGE("__ f "<<f<<" "<<uvslf[0].x <<" "<<uvslf[0].y);
- map < double, const SMDS_MeshNode* >::iterator itp = params.begin();
- for (int i = 1; i <= nbPoints; i++) { // nbPoints internal
- double param = (*itp).first;
- gp_Pnt2d p = C2d->Value(param);
- uvslf[i].x = p.X();
- uvslf[i].y = p.Y();
- uvslf[i].param = param;
- uvslf[i].node = (*itp).second;
- //MESSAGE("__ "<<i<<" "<<param<<" "<<uvslf[i].x <<" "<<uvslf[i].y);
- itp++;
- }
- p = C2d->Value(l); // last point = Vertex Reversed
- uvslf[nbPoints + 1].x = p.X();
- uvslf[nbPoints + 1].y = p.Y();
- uvslf[nbPoints + 1].param = l;
- uvslf[nbPoints + 1].node = idLast;
- //MESSAGE("__ l "<<l<<" "<<uvslf[nbPoints+1].x <<" "<<uvslf[nbPoints+1].y);
- }
- else {
- paramin = l;
- paramax = f;
- gp_Pnt2d p = C2d->Value(l); // first point = Vertex Reversed
- uvslf[0].x = p.X();
- uvslf[0].y = p.Y();
- uvslf[0].param = l;
- uvslf[0].node = idLast;
- //MESSAGE("__ l "<<l<<" "<<uvslf[0].x <<" "<<uvslf[0].y);
- map < double, const SMDS_MeshNode* >::reverse_iterator itp = params.rbegin();
- for (int j = nbPoints; j >= 1; j--) { // nbPoints internal
- double param = (*itp).first;
- int i = nbPoints + 1 - j;
- gp_Pnt2d p = C2d->Value(param);
- uvslf[i].x = p.X();
- uvslf[i].y = p.Y();
- uvslf[i].param = param;
- uvslf[i].node = (*itp).second;
- //MESSAGE("__ "<<i<<" "<<param<<" "<<uvslf[i].x <<" "<<uvslf[i].y);
- itp++;
- }
- p = C2d->Value(f); // last point = Vertex Forward
- uvslf[nbPoints + 1].x = p.X();
- uvslf[nbPoints + 1].y = p.Y();
- uvslf[nbPoints + 1].param = f;
- uvslf[nbPoints + 1].node = idFirst;
- //MESSAGE("__ f "<<f<<" "<<uvslf[nbPoints+1].x <<" "<<uvslf[nbPoints+1].y);
- }
+ StdMeshers_Array2OfNode NodesLast(1,nt,1,2);
+ for(i=1; i<=nt; i++) {
+ NodesLast.SetValue(i,2,uv_et[i-1].node);
+ }
+ int nnn=0;
+ for(i=n1; i<drl+addv+1; i++) {
+ nnn++;
+ NodesLast.SetValue(nnn,1,NodesC.Value(1,i));
+ }
+ for(i=1; i<=nb; i++) {
+ nnn++;
+ NodesLast.SetValue(nnn,1,NodesC.Value(i,drl+addv+1));
+ }
+ for(i=drl+addv; i>=n2; i--) {
+ nnn++;
+ NodesLast.SetValue(nnn,1,NodesC.Value(nb,i));
+ }
+ for(i=1; i<nt; i++) {
+ nbf++;
+ if(WisF) {
+ SMDS_MeshFace* F =
+ myTool->AddFace(NodesLast.Value(i,1), NodesLast.Value(i+1,1),
+ NodesLast.Value(i+1,2), NodesLast.Value(i,2));
+ if(F) meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
+ else {
+ SMDS_MeshFace* F =
+ myTool->AddFace(NodesLast.Value(i,1), NodesLast.Value(i,2),
+ NodesLast.Value(i+1,2), NodesLast.Value(i+1,2));
+ if(F) meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
+ }
+ } // if( (drl+addv) > 0 )
- ASSERT(paramin != paramax);
- for (int i = 0; i < nbPoints + 2; i++) {
- uvslf[i].normParam = (uvslf[i].param - paramin) / (paramax - paramin);
- }
+ } // end new version implementation
- return uvslf;
+ bool isOk = true;
+ return isOk;
}
-//=============================================================================
+//=======================================================================
/*!
- * LoadEdgePoints
+ * Evaluate only quandrangle faces
*/
-//=============================================================================
-UVPtStruct* StdMeshers_Quadrangle_2D::LoadEdgePoints (SMESH_Mesh & aMesh,
- const TopoDS_Face& F,
- const TopoDS_Edge& E,
- double first, double last)
-// bool isForward)
-{
- //MESSAGE("StdMeshers_Quadrangle_2D::LoadEdgePoints");
+//=======================================================================
- // --- IDNodes of first and last Vertex
+bool StdMeshers_Quadrangle_2D::EvaluateQuadPref(SMESH_Mesh & aMesh,
+ const TopoDS_Shape& aShape,
+ std::vector<int>& aNbNodes,
+ MapShapeNbElems& aResMap,
+ bool IsQuadratic)
+{
+ // Auxilary key in order to keep old variant
+ // of meshing after implementation new variant
+ // for bug 0016220 from Mantis.
+ bool OldVersion = false;
- TopoDS_Vertex VFirst, VLast;
- TopExp::Vertices(E, VFirst, VLast); // corresponds to f and l
+ const TopoDS_Face& F = TopoDS::Face(aShape);
+ Handle(Geom_Surface) S = BRep_Tool::Surface(F);
- ASSERT(!VFirst.IsNull());
- SMDS_NodeIteratorPtr lid = aMesh.GetSubMesh(VFirst)->GetSubMeshDS()->GetNodes();
- if (!lid->more())
- {
- MESSAGE ( "NO NODE BUILT ON VERTEX" );
- return 0;
- }
- const SMDS_MeshNode* idFirst = lid->next();
+ int nb = aNbNodes[0];
+ int nr = aNbNodes[1];
+ int nt = aNbNodes[2];
+ int nl = aNbNodes[3];
+ int dh = abs(nb-nt);
+ int dv = abs(nr-nl);
- ASSERT(!VLast.IsNull());
- lid = aMesh.GetSubMesh(VLast)->GetSubMeshDS()->GetNodes();
- if (!lid->more())
- {
- MESSAGE ( "NO NODE BUILT ON VERTEX" );
- return 0;
- }
- const SMDS_MeshNode* idLast = lid->next();
-
- // --- edge internal IDNodes (relies on good order storage, not checked)
-
-// if(_quadraticMesh) {
- // fill myNLinkNodeMap
-// SMDS_ElemIteratorPtr iter = aMesh.GetSubMesh(E)->GetSubMeshDS()->GetElements();
-// while(iter->more()) {
-// const SMDS_MeshElement* elem = iter->next();
-// SMDS_ElemIteratorPtr nodeIt = elem->nodesIterator();
-// const SMDS_MeshNode* n1 = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
-// const SMDS_MeshNode* n2 = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
-// const SMDS_MeshNode* n3 = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
-// NLink link(( n1 < n2 ? n1 : n2 ), ( n1 < n2 ? n2 : n1 ));
-// myNLinkNodeMap.insert(NLinkNodeMap::value_type(link,n3));
-// myNLinkNodeMap[link] = n3;
-// }
-// }
-
- map<double, const SMDS_MeshNode *> params;
- SMDS_NodeIteratorPtr ite = aMesh.GetSubMesh(E)->GetSubMeshDS()->GetNodes();
- int nbPoints = aMesh.GetSubMesh(E)->GetSubMeshDS()->NbNodes();
-
- if(!_quadraticMesh) {
- while(ite->more()) {
- const SMDS_MeshNode* node = ite->next();
- const SMDS_EdgePosition* epos =
- static_cast<const SMDS_EdgePosition*>(node->GetPosition().get());
- double param = epos->GetUParameter();
- params[param] = node;
+ if( dh>=dv ) {
+ if( nt>nb ) {
+ // it is a base case => not shift
+ }
+ else {
+ // we have to shift on 2
+ nb = aNbNodes[2];
+ nr = aNbNodes[3];
+ nt = aNbNodes[0];
+ nl = aNbNodes[1];
}
}
else {
- nbPoints = nbPoints/2;
- while(ite->more()) {
- const SMDS_MeshNode* node = ite->next();
- // check if node is medium
- bool IsMedium = false;
- SMDS_ElemIteratorPtr itn = node->GetInverseElementIterator();
- while (itn->more()) {
- const SMDS_MeshElement* elem = itn->next();
- if ( elem->GetType() != SMDSAbs_Edge )
- continue;
- if(elem->IsMediumNode(node)) {
- IsMedium = true;
- break;
- }
- }
- if(IsMedium)
- continue;
- const SMDS_EdgePosition* epos =
- static_cast<const SMDS_EdgePosition*>(node->GetPosition().get());
- double param = epos->GetUParameter();
- params[param] = node;
+ if( nr>nl ) {
+ // we have to shift quad on 1
+ nb = aNbNodes[3];
+ nr = aNbNodes[0];
+ nt = aNbNodes[1];
+ nl = aNbNodes[2];
+ }
+ else {
+ // we have to shift quad on 3
+ nb = aNbNodes[1];
+ nr = aNbNodes[2];
+ nt = aNbNodes[3];
+ nl = aNbNodes[0];
}
}
- if (nbPoints != params.size()) {
- MESSAGE( "BAD NODE ON EDGE POSITIONS" );
- return 0;
- }
- UVPtStruct* uvslf = new UVPtStruct[nbPoints + 2];
-
- double f, l;
- Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
+ dh = abs(nb-nt);
+ dv = abs(nr-nl);
+ int nbh = Max(nb,nt);
+ int nbv = Max(nr,nl);
+ int addh = 0;
+ int addv = 0;
- bool isForward = (((l - f) * (last - first)) > 0);
- double paramin = 0;
- double paramax = 0;
- if (isForward)
- {
- paramin = f;
- paramax = l;
- gp_Pnt2d p = C2d->Value(f); // first point = Vertex Forward
- uvslf[0].x = p.X();
- uvslf[0].y = p.Y();
- uvslf[0].param = f;
- uvslf[0].node = idFirst;
- //MESSAGE("__ f "<<f<<" "<<uvslf[0].x <<" "<<uvslf[0].y);
- map < double, const SMDS_MeshNode* >::iterator itp = params.begin();
- for (int i = 1; i <= nbPoints; i++) // nbPoints internal
- {
- double param = (*itp).first;
- gp_Pnt2d p = C2d->Value(param);
- uvslf[i].x = p.X();
- uvslf[i].y = p.Y();
- uvslf[i].param = param;
- uvslf[i].node = (*itp).second;
- //MESSAGE("__ "<<i<<" "<<param<<" "<<uvslf[i].x <<" "<<uvslf[i].y);
- itp++;
- }
- p = C2d->Value(l); // last point = Vertex Reversed
- uvslf[nbPoints + 1].x = p.X();
- uvslf[nbPoints + 1].y = p.Y();
- uvslf[nbPoints + 1].param = l;
- uvslf[nbPoints + 1].node = idLast;
- //MESSAGE("__ l "<<l<<" "<<uvslf[nbPoints+1].x <<" "<<uvslf[nbPoints+1].y);
- } else
- {
- paramin = l;
- paramax = f;
- gp_Pnt2d p = C2d->Value(l); // first point = Vertex Reversed
- uvslf[0].x = p.X();
- uvslf[0].y = p.Y();
- uvslf[0].param = l;
- uvslf[0].node = idLast;
- //MESSAGE("__ l "<<l<<" "<<uvslf[0].x <<" "<<uvslf[0].y);
- map < double, const SMDS_MeshNode* >::reverse_iterator itp = params.rbegin();
-
- for (int j = nbPoints; j >= 1; j--) // nbPoints internal
- {
- double param = (*itp).first;
- int i = nbPoints + 1 - j;
- gp_Pnt2d p = C2d->Value(param);
- uvslf[i].x = p.X();
- uvslf[i].y = p.Y();
- uvslf[i].param = param;
- uvslf[i].node = (*itp).second;
- //MESSAGE("__ "<<i<<" "<<param<<" "<<uvslf[i].x <<" "<<uvslf[i].y);
- itp++;
- }
- p = C2d->Value(f); // last point = Vertex Forward
- uvslf[nbPoints + 1].x = p.X();
- uvslf[nbPoints + 1].y = p.Y();
- uvslf[nbPoints + 1].param = f;
- uvslf[nbPoints + 1].node = idFirst;
- //MESSAGE("__ f "<<f<<" "<<uvslf[nbPoints+1].x <<" "<<uvslf[nbPoints+1].y);
+ if(dh>dv) {
+ addv = (dh-dv)/2;
+ nbv = nbv + addv;
}
-
- ASSERT(paramin != paramax);
- for (int i = 0; i < nbPoints + 2; i++)
- {
- uvslf[i].normParam = (uvslf[i].param - paramin) / (paramax - paramin);
+ else { // dv>=dh
+ addh = (dv-dh)/2;
+ nbh = nbh + addh;
}
- return uvslf;
-}
+ int dl,dr;
+ if(OldVersion) {
+ // add some params to right and left after the first param
+ // insert to right
+ dr = nbv - nr;
+ // insert to left
+ dl = nbv - nl;
+ }
+
+ int nnn = Min(nr,nl);
-//=============================================================================
-/*!
- * MakeEdgePoints
- */
-//=============================================================================
-UVPtStruct* StdMeshers_Quadrangle_2D::MakeEdgePoints (SMESH_Mesh & aMesh,
- const TopoDS_Face& F,
- const TopoDS_Edge& E,
- double first, double last,
- int nb_segm)
-{
-// MESSAGE("StdMeshers_Quadrangle_2D::MakeEdgePoints");
-
- UVPtStruct* uvslf = new UVPtStruct[nb_segm + 1];
- list<double> params;
-
- // --- edge internal points
- double fi, li;
- Handle(Geom_Curve) Curve = BRep_Tool::Curve(E, fi, li);
- if (!Curve.IsNull()) {
- try {
- GeomAdaptor_Curve C3d (Curve);
- double length = EdgeLength(E);
- double eltSize = length / nb_segm;
- GCPnts_UniformAbscissa Discret (C3d, eltSize, fi, li);
- if (!Discret.IsDone()) return false;
- int NbPoints = Discret.NbPoints();
- for (int i = 1; i <= NbPoints; i++) {
- double param = Discret.Parameter(i);
- params.push_back(param);
- }
+ int nbNodes = 0;
+ int nbFaces = 0;
+ if(OldVersion) {
+ // step1: create faces for left domain
+ if(dl>0) {
+ nbNodes += dl*(nl-1);
+ nbFaces += dl*(nl-1);
}
- catch (Standard_Failure) {
- return 0;
+ // step2: create faces for right domain
+ if(dr>0) {
+ nbNodes += dr*(nr-1);
+ nbFaces += dr*(nr-1);
}
- }
- else
- {
- // Edge is a degenerated Edge
- BRep_Tool::Range(E, fi, li);
- double du = (li - fi) / nb_segm;
- for (int i = 1; i <= nb_segm + 1; i++)
- {
- double param = fi + (i - 1) * du;
- params.push_back(param);
+ // step3: create faces for central domain
+ nbNodes += (nb-2)*(nnn-1) + (nbv-nnn-1)*(nb-2);
+ nbFaces += (nb-1)*(nbv-1);
+ }
+ else { // New version (!OldVersion)
+ nbNodes += (nnn-2)*(nb-2);
+ nbFaces += (nnn-2)*(nb-1);
+ int drl = abs(nr-nl);
+ nbNodes += drl*(nb-1) + addv*nb;
+ nbFaces += (drl+addv)*(nb-1) + (nt-1);
+ } // end new version implementation
+
+ std::vector<int> aVec(SMDSEntity_Last);
+ for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i] = 0;
+ if(IsQuadratic) {
+ aVec[SMDSEntity_Quad_Quadrangle] = nbFaces;
+ aVec[SMDSEntity_Node] = nbNodes + nbFaces*4;
+ if( aNbNodes.size()==5 ) {
+ aVec[SMDSEntity_Quad_Triangle] = aNbNodes[3] - 1;
+ aVec[SMDSEntity_Quad_Quadrangle] = nbFaces - aNbNodes[3] + 1;
}
}
-
- double f, l;
- Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
- ASSERT(f != l);
-
- bool isForward = (((l - f) * (last - first)) > 0);
- if (isForward) {
- list<double>::iterator itU = params.begin();
- for (int i = 0; i <= nb_segm; i++) // nbPoints internal
- {
- double param = *itU;
- gp_Pnt2d p = C2d->Value(param);
- uvslf[i].x = p.X();
- uvslf[i].y = p.Y();
- uvslf[i].param = param;
- uvslf[i].normParam = (param - f) / (l - f);
- itU++;
- }
- } else {
- list<double>::reverse_iterator itU = params.rbegin();
- for (int j = nb_segm; j >= 0; j--) // nbPoints internal
- {
- double param = *itU;
- int i = nb_segm - j;
- gp_Pnt2d p = C2d->Value(param);
- uvslf[i].x = p.X();
- uvslf[i].y = p.Y();
- uvslf[i].param = param;
- uvslf[i].normParam = (param - l) / (f - l);
- itU++;
+ else {
+ aVec[SMDSEntity_Node] = nbNodes;
+ aVec[SMDSEntity_Quadrangle] = nbFaces;
+ if( aNbNodes.size()==5 ) {
+ aVec[SMDSEntity_Triangle] = aNbNodes[3] - 1;
+ aVec[SMDSEntity_Quadrangle] = nbFaces - aNbNodes[3] + 1;
}
}
+ SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
+ aResMap.insert(std::make_pair(sm,aVec));
- return uvslf;
+ return true;
}
//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-ostream & StdMeshers_Quadrangle_2D::SaveTo(ostream & save)
-{
- return save;
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-istream & StdMeshers_Quadrangle_2D::LoadFrom(istream & load)
-{
- return load;
-}
-
-//=============================================================================
-/*!
- *
+/*! Split quadrangle in to 2 triangles by smallest diagonal
+ *
*/
//=============================================================================
-
-ostream & operator <<(ostream & save, StdMeshers_Quadrangle_2D & hyp)
+void StdMeshers_Quadrangle_2D::SplitQuad(SMESHDS_Mesh *theMeshDS,
+ int theFaceID,
+ const SMDS_MeshNode* theNode1,
+ const SMDS_MeshNode* theNode2,
+ const SMDS_MeshNode* theNode3,
+ const SMDS_MeshNode* theNode4)
{
- return hyp.SaveTo( save );
+ gp_Pnt a(theNode1->X(),theNode1->Y(),theNode1->Z());
+ gp_Pnt b(theNode2->X(),theNode2->Y(),theNode2->Z());
+ gp_Pnt c(theNode3->X(),theNode3->Y(),theNode3->Z());
+ gp_Pnt d(theNode4->X(),theNode4->Y(),theNode4->Z());
+ SMDS_MeshFace* face;
+ if(a.Distance(c) > b.Distance(d)){
+ face = myTool->AddFace(theNode2, theNode4 , theNode1);
+ if(face) theMeshDS->SetMeshElementOnShape(face, theFaceID );
+ face = myTool->AddFace(theNode2, theNode3, theNode4);
+ if(face) theMeshDS->SetMeshElementOnShape(face, theFaceID );
+
+ }
+ else{
+ face = myTool->AddFace(theNode1, theNode2 ,theNode3);
+ if(face) theMeshDS->SetMeshElementOnShape(face, theFaceID );
+ face = myTool->AddFace(theNode1, theNode3, theNode4);
+ if(face) theMeshDS->SetMeshElementOnShape(face, theFaceID );
+ }
}
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-istream & operator >>(istream & load, StdMeshers_Quadrangle_2D & hyp)
-{
- return hyp.LoadFrom( load );
-}