// $Header$
#include "StdMeshers_Quadrangle_2D.hxx"
+
+#include "StdMeshers_FaceSide.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 <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)
using namespace std;
+typedef gp_XY gp_UV;
+typedef SMESH_Comment TComm;
+
//=============================================================================
/*!
*
StdMeshers_Quadrangle_2D::~StdMeshers_Quadrangle_2D()
{
MESSAGE("StdMeshers_Quadrangle_2D::~StdMeshers_Quadrangle_2D");
- if ( myTool )
- delete myTool;
}
//=============================================================================
aStatus = SMESH_Hypothesis::HYP_OK;
// there is only one compatible Hypothesis so far
- const list <const SMESHDS_Hypothesis * >&hyps = GetUsedHypothesis(aMesh, aShape);
+ const list <const SMESHDS_Hypothesis * >&hyps = GetUsedHypothesis(aMesh, aShape, false);
myQuadranglePreference = hyps.size() > 0;
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 SMESH_MesherHelper(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);
}
}
-
- 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();
}
}
- QuadDelete(quad);
- delete myTool; myTool = 0;
-
bool isOk = true;
return isOk;
}
-
//=============================================================================
/*!
*
*/
//=============================================================================
-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() == 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());
}
- else {
- int tmp = nb/2;
- quad->nbPts[nbEdges] = tmp + 2; // internal not medium points + 2 extrema
+ 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;
}
- nbEdges++;
}
-
- if (nbEdges != 4) {
- INFOS("face must have 4 edges /quadrangles");
- QuadDelete(quad);
- return 0;
+ if (nbSides != 4) {
+#ifdef _DEBUG_
+ cout << endl << "StdMeshers_Quadrangle_2D. Edge IDs of " << nbSides << " sides:";
+ for ( int i = 0; i < nbSides; ++i ) {
+ cout << " ( ";
+ for ( int e = 0; e < quad->side[i]->NbEdges(); ++e )
+ cout << myTool->GetMeshDS()->ShapeToIndex( quad->side[i]->Edge( e )) << " ";
+ cout << ")";
+ }
+ 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;
//=============================================================================
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++)
{
}
// 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++)
{
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);
+ 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();
- 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 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;
- 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();
-
- 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_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);
+ 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();
- 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 uv = p0 * (1 - y) + p1 * x + p2 * y + p3 * (1 - x);
- 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();
+ uv -= (1 - x) * (1 - y) * a0 + x * (1 - y) * a1 + x * y * a2 + (1 - x) * y * a3;
- //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;
-
- 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)
-{
- Unexpect aCatch(SalomeException);
+//=======================================================================
+bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh,
+ const TopoDS_Shape& aShape,
+ FaceQuadStruct* quad)
+{
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);
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
+ // add some params to right and left after the first param
// insert to right
int dr = nbv - nr;
double dpr = (npr.Value(2) - npr.Value(1))/(dr+1);
//}
//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
// step1: create faces for left domain
StdMeshers_Array2OfNode NodesL(1,dl+1,1,nl);
// add left nodes
- for(j=1; j<=nl; j++)
+ for(j=1; j<=nl; j++)
NodesL.SetValue(1,j,uv_el[j-1].node);
if(dl>0) {
// add top nodes
// 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_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());
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]);
+ 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());
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());
+ UVL.Append( gp_UV ( uv_el[i].u, uv_el[i].v ));
}
}
// 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_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());
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]);
+ 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());
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());
+ UVR.Append( gp_UV( uv_er[i].u, uv_er[i].v ));
}
}
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++) {
+ 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++) {
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_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());
}
}
- 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;
- }
- }
- 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(IsMedium)
- continue;
- const SMDS_EdgePosition* epos =
- static_cast<const SMDS_EdgePosition*>(node->GetPosition().get());
- double param = epos->GetUParameter();
- params[param] = node;
- }
- }
-
- 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);
- }
-
- ASSERT(paramin != paramax);
- for (int i = 0; i < nbPoints + 2; i++) {
- uvslf[i].normParam = (uvslf[i].param - paramin) / (paramax - paramin);
- }
-
- return uvslf;
-}
-
-
-//=============================================================================
-/*!
- * LoadEdgePoints
- */
-//=============================================================================
-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
-
- 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)
-
-// 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;
- }
- }
- 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 (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);
-
- 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);
- }
-
- ASSERT(paramin != paramax);
- for (int i = 0; i < nbPoints + 2; i++)
- {
- uvslf[i].normParam = (uvslf[i].param - paramin) / (paramax - paramin);
- }
-
- return uvslf;
-}
-
-//=============================================================================
-/*!
- * 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);
- }
- }
- catch (Standard_Failure) {
- return 0;
- }
- }
- 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);
- }
- }
-
- 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++;
- }
- }
-
- return uvslf;
-}
-
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-ostream & StdMeshers_Quadrangle_2D::SaveTo(ostream & save)
-{
- return save;
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-istream & StdMeshers_Quadrangle_2D::LoadFrom(istream & load)
-{
- return load;
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-ostream & operator <<(ostream & save, StdMeshers_Quadrangle_2D & hyp)
-{
- return hyp.SaveTo( save );
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-istream & operator >>(istream & load, StdMeshers_Quadrangle_2D & hyp)
-{
- return hyp.LoadFrom( load );
-}
