X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FStdMeshers%2FStdMeshers_RadialQuadrangle_1D2D.cxx;h=8d165c8e5f836ed11efaeb23afc630987a1a860e;hp=9de37716ab05d67e9576ea955c663e139c6be4e9;hb=30628bd54b2932ebfaae2ae2c24af7f173c4970e;hpb=5504d02a2237b17b8459bcd3b1fb2a89468598cd

diff --git a/src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx b/src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx
index 9de37716a..8d165c8e5 100644
--- a/src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx
+++ b/src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx
@@ -208,7 +208,8 @@ namespace
                   SMESH_Mesh*             aMesh,
                   StdMeshers_FaceSidePtr& aCircSide,
                   StdMeshers_FaceSidePtr& aLinSide1,
-                  StdMeshers_FaceSidePtr& aLinSide2)
+                  StdMeshers_FaceSidePtr& aLinSide2,
+                  SMESH_MesherHelper*     helper)
   {
     const TopoDS_Face& face = TopoDS::Face( aShape );
     aCircSide.reset(); aLinSide1.reset(); aLinSide2.reset();
@@ -259,7 +260,7 @@ namespace
       StdMeshers_FaceSidePtr side;
       if ( aMesh ) 
         side = StdMeshers_FaceSide::New( face, sideEdges, aMesh,
-                                         /*isFwd=*/true, /*skipMedium=*/ true );
+                                         /*isFwd=*/true, /*skipMedium=*/ true, helper );
       sides.push_back( side );
     }
 
@@ -306,6 +307,24 @@ namespace
       }
       deviation2sideInd.insert( make_pair( devia, iS ));
     }
+    double maxDevi = deviation2sideInd.rbegin()->first;
+    if ( maxDevi < 1e-7 && sides.size() == 3 )
+    {
+      // a triangle FACE; use a side with the most outstanding length as an elliptic one
+      deviation2sideInd.clear();
+      multimap< double, int > len2sideInd;
+      for ( size_t iS = 0; iS < sides.size(); ++iS )
+        len2sideInd.insert( make_pair( sides[iS]->Length(), iS ));
+
+      multimap< double, int >::iterator l2i = len2sideInd.begin();
+      double len0 = l2i->first;
+      double len1 = (++l2i)->first;
+      double len2 = (++l2i)->first;
+      if ( len1 - len0 > len2 - len1 )
+        deviation2sideInd.insert( make_pair( 0., len2sideInd.begin()->second ));
+      else
+        deviation2sideInd.insert( make_pair( 0., len2sideInd.rbegin()->second ));
+    }
 
     int iCirc = deviation2sideInd.rbegin()->second; 
     aCircSide = sides[ iCirc ];
@@ -339,7 +358,7 @@ namespace
           edges.push_back( aCircSide->Edge( iE % aCircSide->NbEdges() ));
 
         aCircSide = StdMeshers_FaceSide::New( face, edges, aMesh,
-                                              /*isFwd=*/true, /*skipMedium=*/ true );
+                                              /*isFwd=*/true, /*skipMedium=*/ true, helper );
       }
     }
 
@@ -582,7 +601,7 @@ namespace
     {
       if ( meshDS->FindEdge( nodes[i].node, nodes[i-1].node )) continue;
 
-      const SMDS_MeshElement* seg = meshDS->AddEdge( nodes[i].node, nodes[i-1].node );
+      const SMDS_MeshElement* seg = helper->AddEdge( nodes[i].node, nodes[i-1].node );
 
       double normParam = 0.5 * ( nodes[i].normParam + nodes[i-1].normParam );
       edgeID = linSide->EdgeID( linSide->EdgeIndex( normParam ));
@@ -650,7 +669,7 @@ public:
     return true;
   }
   // -----------------------------------------------------------------------------
-  //! Make mesh on an adge using assigned 1d hyp or defaut nb of segments
+  //! Make mesh on an edge using assigned 1d hyp or default nb of segments
   bool ComputeCircularEdge( SMESH_Mesh&                   aMesh,
                             const StdMeshers_FaceSidePtr& aSide )
   {
@@ -678,7 +697,7 @@ public:
     return ok;
   }
   // -----------------------------------------------------------------------------
-  //! Make mesh on an adge using assigned 1d hyp or defaut nb of segments
+  //! Make mesh on an edge using assigned 1d hyp or default nb of segments
   bool EvaluateCircularEdge(SMESH_Mesh&                  aMesh,
                             const StdMeshers_FaceSidePtr aSide,
                             MapShapeNbElems&             aResMap)
@@ -755,8 +774,11 @@ bool StdMeshers_RadialQuadrangle_1D2D::Compute(SMESH_Mesh&         aMesh,
   StdMeshers_Quadrangle_2D::myCheckOri   = false;
   StdMeshers_Quadrangle_2D::myQuadList.clear();
 
+  myHelper->SetSubShape( aShape );
+  myHelper->SetElementsOnShape( true );
+
   StdMeshers_FaceSidePtr circSide, linSide1, linSide2;
-  int nbSides = analyseFace( aShape, &aMesh, circSide, linSide1, linSide2 );
+  int nbSides = analyseFace( aShape, &aMesh, circSide, linSide1, linSide2, myHelper );
   if( nbSides > 3 || nbSides < 1 )
     return error("The face must be a full ellipse or a part of ellipse (i.e. the number "
                  "of edges is less or equal to 3 and one of them is an ellipse curve)");
@@ -779,7 +801,6 @@ bool StdMeshers_RadialQuadrangle_1D2D::Compute(SMESH_Mesh&         aMesh,
   Handle(Geom_Surface) S = BRep_Tool::Surface(F);
 
   myHelper->IsQuadraticSubMesh( aShape );
-  myHelper->SetElementsOnShape( true );
 
   vector< double > layerPositions; // [0,1]
 
@@ -793,7 +814,7 @@ bool StdMeshers_RadialQuadrangle_1D2D::Compute(SMESH_Mesh&         aMesh,
     TopoDS_Edge linEdge = makeEdgeToCenter( circSide, F, circNode );
 
     StdMeshers_FaceSidePtr tmpSide =
-      StdMeshers_FaceSide::New( F, linEdge, &aMesh, /*isFrw=*/true, /*skipMedium=*/true );
+      StdMeshers_FaceSide::New( F, linEdge, &aMesh, /*isFrw=*/true, /*skipMedium=*/true, myHelper );
 
     if ( !computeLayerPositions( tmpSide, layerPositions ))
       return false;
@@ -837,7 +858,7 @@ bool StdMeshers_RadialQuadrangle_1D2D::Compute(SMESH_Mesh&         aMesh,
       isVIn0Shared = vIn0.IsSame( circSide->FirstVertex( iE ));
 
     linSide1 = StdMeshers_FaceSide::New( F, edges, &aMesh,
-                                         /*isFrw=*/isVIn0Shared, /*skipMedium=*/true );
+                                         /*isFrw=*/isVIn0Shared, /*skipMedium=*/true, myHelper );
 
     int nbMeshedEdges;
     if ( !computeLayerPositions( linSide1, layerPositions, &nbMeshedEdges ))
@@ -1087,7 +1108,7 @@ bool StdMeshers_RadialQuadrangle_1D2D::Evaluate(SMESH_Mesh&         aMesh,
   TNodeDistributor* algo1d = TNodeDistributor::GetDistributor(aMesh);
 
   StdMeshers_FaceSidePtr circSide, linSide1, linSide2;
-  int nbSides = analyseFace( aShape, &aMesh, circSide, linSide1, linSide2 );
+  int nbSides = analyseFace( aShape, &aMesh, circSide, linSide1, linSide2, myHelper );
   if( nbSides > 3 || nbSides < 1 )
     return false;
 
@@ -1105,7 +1126,7 @@ bool StdMeshers_RadialQuadrangle_1D2D::Evaluate(SMESH_Mesh&         aMesh,
     TopoDS_Edge linEdge = makeEdgeToCenter( circSide, F, circNode );
 
     StdMeshers_FaceSidePtr tmpSide =
-      StdMeshers_FaceSide::New( F, linEdge, &aMesh, /*isFrw=*/true, /*skipMedium=*/true );
+      StdMeshers_FaceSide::New( F, linEdge, &aMesh, /*isFrw=*/true, /*skipMedium=*/true, myHelper );
 
     if ( !computeLayerPositions( tmpSide, layerPositions ))
       return false;
@@ -1202,7 +1223,7 @@ bool StdMeshers_RadialQuadrangle_1D2D::IsApplicable( const TopoDS_Shape & aShape
   for (TopExp_Explorer exp( aShape, TopAbs_FACE ); exp.More(); exp.Next(), ++nbFoundFaces )
   {
     StdMeshers_FaceSidePtr circSide, linSide1, linSide2;
-    int nbSides = analyseFace( aShape, NULL, circSide, linSide1, linSide2 );
+    int nbSides = analyseFace( exp.Current(), NULL, circSide, linSide1, linSide2, NULL );
     bool ok = ( 0 < nbSides && nbSides <= 3 &&
                 isCornerInsideCircle( circSide, linSide1, linSide2 ));
     if( toCheckAll  && !ok ) return false;