23081: [CEA 1496] Control merge nodes behaviour: set fixed nodes

[modules/smesh.git] / doc / salome / examples / transforming_meshes_ex05.py

diff --git a/doc/salome/examples/transforming_meshes_ex05.py b/doc/salome/examples/transforming_meshes_ex05.py
index f99d50b6a97cc551004bbdd475db9c7996c46eb2..deba1c407c5e6c6827c5ed38635f8076a66113ee 100644 (file)
--- a/doc/salome/examples/transforming_meshes_ex05.py
+++ b/doc/salome/examples/transforming_meshes_ex05.py
@@ -1,10 +1,14 @@
 # Merging Nodes
 
-import SMESH_mechanic
+import SMESH_mechanic, SMESH
 mesh = SMESH_mechanic.mesh
 
 # merge nodes
-Tolerance = 25.0
+Tolerance = 4.0
+
+# prevent nodes located on geom edges from removal during merge:
+# create a group including all nodes on edges
+allSegs = mesh.MakeGroup( "all segments", SMESH.EDGE, SMESH.FT_ElemGeomType,'=', SMESH.Geom_EDGE )
 
 GroupsOfNodes =  mesh.FindCoincidentNodes(Tolerance)
-mesh.MergeNodes(GroupsOfNodes)  
+mesh.MergeNodes(GroupsOfNodes, NodesToKeep=allSegs)