54355: 'Compute' button is absent for 'Number of the double nodes' value in 'Mesh...

[modules/smesh.git] / src / StdMeshers / StdMeshers_QuadFromMedialAxis_1D2D.cxx

diff --git a/src/StdMeshers/StdMeshers_QuadFromMedialAxis_1D2D.cxx b/src/StdMeshers/StdMeshers_QuadFromMedialAxis_1D2D.cxx
index 2043f1ea7df1e96c198611b04af88afa1392d201..0b9005bcaa07fadefbd9c679a0774c0900a7bf3c 100644 (file)
--- a/src/StdMeshers/StdMeshers_QuadFromMedialAxis_1D2D.cxx
+++ b/src/StdMeshers/StdMeshers_QuadFromMedialAxis_1D2D.cxx
@@ -1154,6 +1154,8 @@ namespace
       bool isShortPrev[2], isShortNext[2], isPrevCloser[2];
       TMAPar2NPoints::iterator u2NPPrev = u2NP, u2NPNext = u2NP;
       --u2NPPrev; ++u2NPNext;
+      if ( u2NPNext == thePointsOnE.end() )
+        u2NPNext = thePointsOnE.begin(); // hope theSinuFace.IsRing()
       for ( int iS = 0; iS < 2; ++iS ) // side with Vertex and side with Nodes
       {
         NodePoint np     = get( u2NP->second,     iS );