X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSMESHUtils%2FSMESH_MAT2d.cxx;h=4ed2cb202b8ac89e29188b07a9dbd05426fa7b2c;hb=60f10166b89d3aa0f84a015ce3cd144de32eb063;hp=f925422c3fa6f62801183e815dbb46b1f32c8940;hpb=6d32f944a0a115b6419184c50b57bf7c4eef5786;p=modules%2Fsmesh.git

diff --git a/src/SMESHUtils/SMESH_MAT2d.cxx b/src/SMESHUtils/SMESH_MAT2d.cxx
index f925422c3..4ed2cb202 100644
--- a/src/SMESHUtils/SMESH_MAT2d.cxx
+++ b/src/SMESHUtils/SMESH_MAT2d.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2019  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2021  CEA/DEN, EDF R&D, OPEN CASCADE
 //
 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
@@ -420,6 +420,8 @@ namespace
 
   void bndSegsToMesh( const vector< vector< BndSeg > >& bndSegsPerEdge )
   {
+    if ( bndSegsPerEdge.empty() )
+      return;
 #ifdef _MYDEBUG_
     if ( !getenv("bndSegsToMesh")) return;
     map< const TVDVertex *, int > v2Node;
@@ -673,14 +675,12 @@ namespace
     // make 'scale' such that to have coordinates precise enough when converted to int
 
     gp_XY uvMin = uvBox.CornerMin(), uvMax = uvBox.CornerMax();
-    uvMin.ChangeCoord(1) = uvMin.X() * scale[0];
-    uvMin.ChangeCoord(2) = uvMin.Y() * scale[1];
-    uvMax.ChangeCoord(1) = uvMax.X() * scale[0];
-    uvMax.ChangeCoord(2) = uvMax.Y() * scale[1];
+    uvMin *= gp_XY( scale[0], scale[1] );
+    uvMax *= gp_XY( scale[0], scale[1] );
     double vMax[2] = { Max( Abs( uvMin.X() ), Abs( uvMax.X() )),
                        Max( Abs( uvMin.Y() ), Abs( uvMax.Y() )) };
     int iMax = ( vMax[0] > vMax[1] ) ? 0 : 1;
-    const double precision = Min( 1e-5, minSegLen * 1e-2 );
+    const double precision = Min( 1e-5, Min( minSegLen * 1e-2, vMax[iMax] * 1e-5 ));
     double preciScale = Min( vMax[iMax] / precision,
                              std::numeric_limits<int>::max() / vMax[iMax] );
     preciScale /= scale[iMax];
@@ -1079,6 +1079,11 @@ namespace
           }
         }
 
+        else // 2D_mesh_QuadranglePreference_00/A1, bos20144.brep
+        {
+          continue; // bndSegs.size() == 1
+        }
+
         bndSegs[i].setBranch( branchID, bndSegsPerEdge ); // set to i-th and to the opposite bndSeg
         if ( bndSegs[i].hasOppositeEdge() )
           branchEdges[ bndSegs[i].branchID() ].push_back( bndSegs[i]._edge );