Porting to OCCT 7.8.0: modify test to workaround Netgen instability.

diff --git a/test/ex_MakePolyLine.py b/test/ex_MakePolyLine.py
index a7fb6a7e7dcf9f6c6ed55ee3146da0414154c036..46115fccf6108121240ebd2e10ec87418f798143 100644 (file)
--- a/test/ex_MakePolyLine.py
+++ b/test/ex_MakePolyLine.py
@@ -25,12 +25,21 @@ if not isDone:
 # define arguments for MakePolyLine
 
 segments = []
+
 # between nodes 20 and 1, default plane
 segments.append( SMESH.PolySegment( 20, 0, SMESH.PointStruct(-1, -1, -1), 1, 0, SMESH.PointStruct(-1, -1, -1), smesh.MakeDirStruct(0,0,0) ))
+
 # between nodes 1 and 100, default plane
 segments.append( SMESH.PolySegment( 1, 0, SMESH.PointStruct(-1, -1, -1), 200, 0, SMESH.PointStruct(-1, -1, -1), smesh.MakeDirStruct(0,0,0) ))
-# between nodes 200 and edge (578, 577), plane includes vector (1,1,1)
-segments.append( SMESH.PolySegment( 200, 0, SMESH.PointStruct(-1, -1, -1), 578, 577, SMESH.PointStruct(-1, -1, -1), smesh.MakeDirStruct(1,1,1) ))
+
+# between node 200 and edge (578, 577), plane includes vector (1,1,1)
+#segments.append( SMESH.PolySegment( 200, 0, SMESH.PointStruct(-1, -1, -1), 578, 577, SMESH.PointStruct(-1, -1, -1), smesh.MakeDirStruct(1,1,1) ))
+# nodes 578 and 577 are not always neighbour, so, use another approach
+
+# between node 200 and an edge, close to point (200, 90, 70), plane includes vector (1,1,1)
+elems = Mesh_1.FindElementsByPoint(200, 90, 70, SMESH.FACE)
+nodes = Mesh_1.GetElemNodes(elems[0])
+segments.append( SMESH.PolySegment( 200, 0, SMESH.PointStruct(-1, -1, -1), nodes[0], nodes[1], SMESH.PointStruct(-1, -1, -1), smesh.MakeDirStruct(1,1,1) ))
 
 Mesh_1.MakePolyLine( segments, "1D group")