From 14534b55573063b254a2c3a6108bb2e0ca85b9fd Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Tue, 15 Mar 2016 18:52:11 +0300
Subject: [PATCH] IPAL53053: Mesh compute with 3D Extrusion algo crashes SALOME

---
 src/StdMeshers/StdMeshers_Prism_3D.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/StdMeshers/StdMeshers_Prism_3D.cxx b/src/StdMeshers/StdMeshers_Prism_3D.cxx
index 225da4650..d2413b564 100644
--- a/src/StdMeshers/StdMeshers_Prism_3D.cxx
+++ b/src/StdMeshers/StdMeshers_Prism_3D.cxx
@@ -3298,6 +3298,9 @@ bool StdMeshers_PrismAsBlock::Init(SMESH_MesherHelper*         helper,
       if ( !myHelper->LoadNodeColumns( faceColumns, (*quad)->face, quadBot, meshDS ))
         return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
                      << "on a side face #" << MeshDS()->ShapeToIndex( (*quad)->face ));
+
+      if ( !faceColumns.empty() && (int)faceColumns.begin()->second.size() != VerticalSize() )
+        return error(COMPERR_BAD_INPUT_MESH, "Different 'vertical' discretization");
     }
     // edge columns
     int id = MeshDS()->ShapeToIndex( *edgeIt );
-- 
2.30.2