Fix regression of Extrusion 3D caused by OCCT changes

[modules/smesh.git] / src / StdMeshers / StdMeshers_Regular_1D.cxx

diff --git a/src/StdMeshers/StdMeshers_Regular_1D.cxx b/src/StdMeshers/StdMeshers_Regular_1D.cxx
index d1aa0122d9c53fdaa32d895c8d8506c92ea23749..45e1c25b62b66b5ef6291b2e8a6b681c87c1defd 100644 (file)
--- a/src/StdMeshers/StdMeshers_Regular_1D.cxx
+++ b/src/StdMeshers/StdMeshers_Regular_1D.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2019  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
@@ -974,6 +974,8 @@ bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh &     theMesh,
       an = eltSize;
       eltSize *= q;
       ++nbParams;
+      if ( q < 1. && eltSize < 1e-100 )
+        return error("Too small common ratio causes too many segments");
     }
     if ( nbParams > 1 )
     {
@@ -1138,7 +1140,7 @@ bool StdMeshers_Regular_1D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & t
   if ( !nFirst || !nLast )
     return error( COMPERR_BAD_INPUT_MESH, "No node on vertex");
 
-  // remove elements created by e.g. patern mapping (PAL21999)
+  // remove elements created by e.g. pattern mapping (PAL21999)
   // CLEAN event is incorrectly ptopagated seemingly due to Propagation hyp
   // so TEMPORARY solution is to clean the submesh manually
   if (SMESHDS_SubMesh * subMeshDS = meshDS->MeshElements(theShape))