// 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
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
//
//
// Module : SMESH
// $Header$
-using namespace std;
#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 <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;
+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;
//=============================================================================
/*!
{
MESSAGE("StdMeshers_Quadrangle_2D::StdMeshers_Quadrangle_2D");
_name = "Quadrangle_2D";
- // _shapeType = TopAbs_FACE;
_shapeType = (1 << TopAbs_FACE);
+ _compatibleHypothesis.push_back("QuadranglePreference");
+ myTool = 0;
}
//=============================================================================
//=============================================================================
bool StdMeshers_Quadrangle_2D::CheckHypothesis
- (SMESH_Mesh& aMesh,
- const TopoDS_Shape& aShape,
+ (SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
SMESH_Hypothesis::Hypothesis_Status& aStatus)
{
- //MESSAGE("StdMeshers_Quadrangle_2D::CheckHypothesis");
-
bool isOk = true;
aStatus = SMESH_Hypothesis::HYP_OK;
- // nothing to check
+ // there is only one compatible Hypothesis so far
+ 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);
- FaceQuadStruct *quad = CheckAnd2Dcompute(aMesh, aShape);
+ SMESH_MesherHelper helper(aMesh);
+ myTool = &helper;
+
+ _quadraticMesh = myTool->IsQuadraticSubMesh(aShape);
+
+ 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->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);
+ return ok;
+ }
+ }
+
+ // set normalized grid on unit square in parametric domain
+
+ 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];
-// bool isDownOut = (nbdown > nbup);
-// bool isUpOut = (nbdown < nbup);
+ int nbdown = quad->side[0]->NbPoints();
+ int nbup = quad->side[2]->NbPoints();
- int nbright = quad->nbPts[1];
- int nbleft = quad->nbPts[3];
-// bool isRightOut = (nbright > nbleft);
-// bool isLeftOut = (nbright < nbleft);
+ int nbright = quad->side[1]->NbPoints();
+ int nbleft = quad->side[3]->NbPoints();
int nbhoriz = Min(nbdown, nbup);
int nbvertic = Min(nbright, nbleft);
Handle(Geom_Surface) S = BRep_Tool::Surface(F);
// internal mesh nodes
- int i, j;
+ int i, j, geomFaceID = meshDS->ShapeToIndex( F );
for (i = 1; i < nbhoriz - 1; i++) {
for (j = 1; j < nbvertic - 1; j++) {
int ij = j * nbhoriz + i;
double v = quad->uv_grid[ij].v;
gp_Pnt P = S->Value(u, v);
SMDS_MeshNode * node = meshDS->AddNode(P.X(), P.Y(), P.Z());
- meshDS->SetNodeOnFace(node, F);
+ meshDS->SetNodeOnFace(node, geomFaceID, u, v);
quad->uv_grid[ij].node = node;
- SMDS_FacePosition* fpos =
- dynamic_cast<SMDS_FacePosition*>(node->GetPosition().get());
- fpos->SetUParameter(u);
- fpos->SetVParameter(v);
}
}
-
+
// mesh faces
// [2]
// 0 > > > > > > > > nbhoriz
// i
// [0]
-
+
i = 0;
int ilow = 0;
int iup = nbhoriz - 1;
if (quad->isEdgeOut[3]) { ilow++; } else { if (quad->isEdgeOut[1]) iup--; }
-
+
int jlow = 0;
int jup = nbvertic - 1;
if (quad->isEdgeOut[0]) { jlow++; } else { if (quad->isEdgeOut[2]) jup--; }
-
+
// regular quadrangles
- // bool isQuadForward = ( faceIsForward == quad->isEdgeForward[0]);
for (i = ilow; i < iup; i++) {
for (j = jlow; j < jup; j++) {
const SMDS_MeshNode *a, *b, *c, *d;
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;
- // if (isQuadForward) faceId = meshDS->AddFace(a,b,c,d);
- // else faceId = meshDS->AddFace(a,d,c,b);
- SMDS_MeshFace * face = meshDS->AddFace(a, b, c, d);
- meshDS->SetMeshElementOnShape(face, F);
+ 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();
// Boundary quadrangles
-
+
if (quad->isEdgeOut[0]) {
// Down edge is out
//
// . . . . . . . . . __ down edge nodes
//
// >->->->->->->->->->->->-> -- direction of processing
-
+
int g = 0; // number of last processed node in the regular grid
-
+
// number of last node of the down edge to be processed
int stop = nbdown - 1;
// if right edge is out, we will stop at a node, previous to the last one
if (quad->isEdgeOut[1]) stop--;
-
+
// for each node of the down edge find nearest node
// in the first row of the regular grid and link them
for (i = 0; i < stop; i++) {
a = uv_e0[i].node;
b = uv_e0[i + 1].node;
gp_Pnt pb (b->X(), b->Y(), b->Z());
-
+
// find node c in the regular grid, which will be linked with node b
int near = g;
if (i == stop - 1) {
// right bound reached, link with the rightmost node
near = iup;
c = quad->uv_grid[nbhoriz + iup].node;
- } else {
+ }
+ else {
// find in the grid node c, nearest to the b
double mind = RealLast();
for (int k = g; k <= iup; k++) {
-
+
const SMDS_MeshNode *nk;
if (k < ilow) // this can be, if left edge is out
nk = uv_e3[1].node; // get node from the left edge
}
if (near == g) { // make triangle
- SMDS_MeshFace* face = meshDS->AddFace(a, b, c);
- meshDS->SetMeshElementOnShape(face, F);
- } else { // make quadrangle
+ //SMDS_MeshFace* face = meshDS->AddFace(a, b, c);
+ SMDS_MeshFace* face = myTool->AddFace(a, b, c);
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
+ }
+ else { // make quadrangle
if (near - 1 < ilow)
d = uv_e3[1].node;
else
d = quad->uv_grid[nbhoriz + near - 1].node;
- SMDS_MeshFace* face = meshDS->AddFace(a, b, c, d);
- meshDS->SetMeshElementOnShape(face, F);
+ //SMDS_MeshFace* face = meshDS->AddFace(a, b, c, d);
+ SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
// 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);
- meshDS->SetMeshElementOnShape(face, F);
+ //SMDS_MeshFace* face = meshDS->AddFace(a, c, d);
+ SMDS_MeshFace* face = myTool->AddFace(a, c, d);
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
}
}
g = near;
}
if (near == g) { // make triangle
- SMDS_MeshFace* face = meshDS->AddFace(a, b, c);
- meshDS->SetMeshElementOnShape(face, F);
- } else { // make quadrangle
+ //SMDS_MeshFace* face = meshDS->AddFace(a, b, c);
+ SMDS_MeshFace* face = myTool->AddFace(a, b, c);
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
+ }
+ else { // make quadrangle
if (near + 1 > iup)
d = uv_e1[nbright - 2].node;
else
d = quad->uv_grid[nbhoriz*(nbvertic - 2) + near + 1].node;
- SMDS_MeshFace* face = meshDS->AddFace(a, b, c, d);
- meshDS->SetMeshElementOnShape(face, F);
+ //SMDS_MeshFace* face = meshDS->AddFace(a, b, c, d);
+ SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
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);
- meshDS->SetMeshElementOnShape(face, F);
+ //SMDS_MeshFace* face = meshDS->AddFace(a, c, d);
+ SMDS_MeshFace* face = myTool->AddFace(a, c, d);
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
}
}
g = near;
}
if (near == g) { // make triangle
- SMDS_MeshFace* face = meshDS->AddFace(a, b, c);
- meshDS->SetMeshElementOnShape(face, F);
- } else { // make quadrangle
+ //SMDS_MeshFace* face = meshDS->AddFace(a, b, c);
+ SMDS_MeshFace* face = myTool->AddFace(a, b, c);
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
+ }
+ else { // make quadrangle
if (near - 1 < jlow)
d = uv_e0[nbdown - 2].node;
else
d = quad->uv_grid[nbhoriz*near - 2].node;
- SMDS_MeshFace* face = meshDS->AddFace(a, b, c, d);
- meshDS->SetMeshElementOnShape(face, F);
+ //SMDS_MeshFace* face = meshDS->AddFace(a, b, c, d);
+ SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
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);
- meshDS->SetMeshElementOnShape(face, F);
+ //SMDS_MeshFace* face = meshDS->AddFace(a, c, d);
+ SMDS_MeshFace* face = myTool->AddFace(a, c, d);
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
}
}
g = near;
}
if (near == g) { // make triangle
- SMDS_MeshFace* face = meshDS->AddFace(a, b, c);
- meshDS->SetMeshElementOnShape(face, F);
- } else { // make quadrangle
+ //SMDS_MeshFace* face = meshDS->AddFace(a, b, c);
+ SMDS_MeshFace* face = myTool->AddFace(a, b, c);
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
+ }
+ else { // make quadrangle
if (near + 1 > jup)
d = uv_e2[1].node;
else
d = quad->uv_grid[nbhoriz*(near + 1) + 1].node;
- SMDS_MeshFace* face = meshDS->AddFace(a, b, c, d);
- meshDS->SetMeshElementOnShape(face, F);
+ //SMDS_MeshFace* face = meshDS->AddFace(a, b, c, d);
+ SMDS_MeshFace* face = myTool->AddFace(a, b, c, d);
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
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);
- meshDS->SetMeshElementOnShape(face, F);
+ //SMDS_MeshFace* face = meshDS->AddFace(a, c, d);
+ SMDS_MeshFace* face = myTool->AddFace(a, c, d);
+ meshDS->SetMeshElementOnShape(face, geomFaceID);
}
}
g = near;
}
}
- QuadDelete(quad);
bool isOk = true;
return isOk;
}
*/
//=============================================================================
-FaceQuadStruct *StdMeshers_Quadrangle_2D::CheckAnd2Dcompute
- (SMESH_Mesh & aMesh, const TopoDS_Shape & aShape) throw(SALOME_Exception)
+FaceQuadStruct* StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh & aMesh,
+ const TopoDS_Shape & aShape)
+ //throw(SALOME_Exception)
{
- Unexpect aCatch(SalomeException);
-
- //SMESH_subMesh *theSubMesh = aMesh.GetSubMesh(aShape);
-
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;
+ FaceQuadStruct* quad = new FaceQuadStruct;
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;
- 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());
+ }
+ 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;
}
- // set normalized grid on unit square in parametric domain
+ return quad;
+}
+
+//=============================================================================
+/*!
+ * CheckAnd2Dcompute
+ */
+//=============================================================================
+
+FaceQuadStruct *StdMeshers_Quadrangle_2D::CheckAnd2Dcompute
+ (SMESH_Mesh & aMesh,
+ const TopoDS_Shape & aShape,
+ const bool CreateQuadratic) //throw(SALOME_Exception)
+{
+ _quadraticMesh = CreateQuadratic;
+
+ FaceQuadStruct *quad = CheckNbEdges(aMesh, aShape);
- SetNormalizedGrid(aMesh, F, quad);
+ if(!quad) return 0;
+
+ // set normalized grid on unit square in parametric domain
+ 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->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->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]);
+ UVPtStruct *uv_grid = quad->uv_grid = new UVPtStruct[nbvertic * nbhoriz];
- quad->uv_grid = new UVPtStruct[nbvertic * nbhoriz];
+ 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 );
- 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];
+ 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);
-
- 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;
}
-//=============================================================================
-/*!
- * 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");
+//=======================================================================
+//function : ShiftQuad
+//purpose : auxilary function for ComputeQuadPref
+//=======================================================================
- //SMDS_Mesh* meshDS = aMesh.GetMeshDS();
+static void ShiftQuad(FaceQuadStruct* quad, const int num, bool)
+{
+ 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 ];
+ }
+}
- // --- IDNodes of first and last Vertex
+//=======================================================================
+//function : CalcUV
+//purpose : auxilary function for ComputeQuadPref
+//=======================================================================
- TopoDS_Vertex VFirst, VLast;
- TopExp::Vertices(E, VFirst, VLast); // corresponds to f and l
+static gp_UV CalcUV(double x0, double x1, double y0, double y1,
+ 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);
- 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();
+ double x = (x0 + y0 * (x1 - x0)) / (1 - (y1 - y0) * (x1 - x0));
+ double y = y0 + x * (y1 - y0);
- 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();
+ 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);
- // --- edge internal IDNodes (relies on good order storage, not checked)
+ 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();
- map<double, const SMDS_MeshNode *> params;
- SMDS_NodeIteratorPtr ite = aMesh.GetSubMesh(E)->GetSubMeshDS()->GetNodes();
+ gp_UV uv = p0 * (1 - y) + p1 * x + p2 * y + p3 * (1 - x);
- 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;
- }
+ uv -= (1 - x) * (1 - y) * a0 + x * (1 - y) * a1 + x * y * a2 + (1 - x) * y * a3;
- int nbPoints = aMesh.GetSubMesh(E)->GetSubMeshDS()->NbNodes();
- if (nbPoints != params.size())
- {
- MESSAGE( "BAD NODE ON EDGE POSITIONS" );
- return 0;
- }
- UVPtStruct* uvslf = new UVPtStruct[nbPoints + 2];
+ return uv;
+}
- double f, l;
- Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
+//=======================================================================
+/*!
+ * Create only quandrangle faces
+ */
+//=======================================================================
- 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++;
+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 = 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;
+// WisF = FisF;
+ int i,j,geomFaceID = meshDS->ShapeToIndex( F );
+
+ 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);
+
+ if( dh>=dv ) {
+ if( nt>nb ) {
+ // it is a base case => not shift quad but me be replacement is need
+ ShiftQuad(quad,0,WisF);
}
- 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++;
+ else {
+ // we have to shift quad on 2
+ ShiftQuad(quad,2,WisF);
+ }
+ }
+ else {
+ if( nr>nl ) {
+ // we have to shift quad on 1
+ ShiftQuad(quad,1,WisF);
+ }
+ else {
+ // we have to shift quad on 3
+ ShiftQuad(quad,3,WisF);
}
- 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);
+ 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 nbv = Max(nr,nl);
+ int addh = 0;
+ int addv = 0;
+
+ // orientation of face and 3 main domain for future faces
+ // 0 top 1
+ // 1------------1
+ // | | | |
+ // | | | |
+ // | L | | R |
+ // left | | | | rigth
+ // | / \ |
+ // | / C \ |
+ // |/ \|
+ // 0------------0
+ // 0 bottom 1
+
+ if(dh>dv) {
+ addv = (dh-dv)/2;
+ nbv = nbv + addv;
+ }
+ else { // dv>=dh
+ addh = (dv-dh)/2;
+ nbh = nbh + addh;
}
- return uvslf;
-}
+ 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].normParam<<" npar="<<uv_eb[i].normParam;
+ //const SMDS_MeshNode* N = uv_eb[i].node;
+ //cout<<" node("<<N->X()<<","<<N->Y()<<","<<N->Z()<<")"<<endl;
+ }
+ for(i=0; i<nr; i++) {
+ npr.Append(uv_er[i].normParam);
+ }
+ for(i=0; i<nt; i++) {
+ npt.Append(uv_et[i].normParam);
+ }
+ for(i=0; i<nl; i++) {
+ npl.Append(uv_el[i].normParam);
+ }
-//=============================================================================
-/*!
- * 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);
+ // 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);
+ 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);
+ }
+ //cout<<"npb:";
+ //for(i=1; i<=npb.Length(); i++) {
+ // cout<<" "<<npb.Value(i);
+ //}
+ //cout<<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
+ // in the bottom part of central domain
+ // it's length must be == nbv-nnn-1
+ 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_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+1,1,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);
}
}
- catch (Standard_Failure) {
- return 0;
+ 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));
+ 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));
+ meshDS->SetMeshElementOnShape(F, geomFaceID);
+ }
+ }
}
}
- 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);
+ 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 ));
}
}
- 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++;
+ // 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 {
- 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++;
+ 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));
+ 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);
+ }
+ }
+ }
+ }
+ 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 ));
}
}
- return uvslf;
-}
-
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-ostream & StdMeshers_Quadrangle_2D::SaveTo(ostream & save)
-{
- return save;
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-istream & StdMeshers_Quadrangle_2D::LoadFrom(istream & load)
-{
- return load;
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
+ // 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
+ // 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_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());
+ NodesC.SetValue(i,nbv-nnn+j,N);
+ }
+ }
+ // 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);
+ }
+ 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);
+ }
+ }
+ }
-ostream & operator <<(ostream & save, StdMeshers_Quadrangle_2D & hyp)
-{
- return hyp.SaveTo( save );
+ bool isOk = true;
+ return isOk;
}
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-istream & operator >>(istream & load, StdMeshers_Quadrangle_2D & hyp)
-{
- return hyp.LoadFrom( load );
-}
