From: eap <eap@opencascade.com>
Date: Tue, 7 Sep 2010 06:35:44 +0000 (+0000)
Subject: use linked nodes to get an upward direction when defining orientation
X-Git-Tag: V5_1_5a1~61
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=b5eb9a6a034eb3818e8ce463178350cca0616e83;p=modules%2Fsmesh.git

use linked nodes to get an upward direction when defining orientation
---

diff --git a/src/SMDS/SMDS_VolumeTool.cxx b/src/SMDS/SMDS_VolumeTool.cxx
index 52633d610..2967928a1 100644
--- a/src/SMDS/SMDS_VolumeTool.cxx
+++ b/src/SMDS/SMDS_VolumeTool.cxx
@@ -518,8 +518,10 @@ bool SMDS_VolumeTool::Set (const SMDS_MeshElement* theVolume)
         // define volume orientation
         XYZ botNormal;
         GetFaceNormal( 0, botNormal.x, botNormal.y, botNormal.z );
-        const SMDS_MeshNode* topNode = myVolumeNodes[ myVolumeNbNodes - 1 ];
         const SMDS_MeshNode* botNode = myVolumeNodes[ 0 ];
+        int topNodeIndex = myVolume->NbCornerNodes() - 1;
+        while ( !IsLinked( 0, topNodeIndex )) --topNodeIndex;
+        const SMDS_MeshNode* topNode = myVolumeNodes[ topNodeIndex ];
         XYZ upDir (topNode->X() - botNode->X(),
                    topNode->Y() - botNode->Y(),
                    topNode->Z() - botNode->Z() );