X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=doc%2Fexamples%2Fmodifying_meshes_ex15.py;fp=doc%2Fexamples%2Fmodifying_meshes_ex15.py;h=cd058178a4ea6dc2787a35d06837a42a773ee79c;hp=0000000000000000000000000000000000000000;hb=4cf07a14111e98e8889620ee7e6371574c31a50c;hpb=d9f4b53e489dd5857db264ede6acded7b076c9f1

diff --git a/doc/examples/modifying_meshes_ex15.py b/doc/examples/modifying_meshes_ex15.py
new file mode 100644
index 000000000..cd058178a
--- /dev/null
+++ b/doc/examples/modifying_meshes_ex15.py
@@ -0,0 +1,49 @@
+# Moving Nodes
+
+import salome
+salome.salome_init_without_session()
+
+from salome.geom import geomBuilder
+from salome.smesh import smeshBuilder
+
+geom_builder = geomBuilder.New()
+smesh_builder = smeshBuilder.New()
+
+box = geom_builder.MakeBoxDXDYDZ(200, 200, 200)
+
+mesh = smesh_builder.Mesh( box )
+mesh.Segment().AutomaticLength(0.1)
+mesh.Quadrangle()
+mesh.Compute()
+
+# find node at (0,0,0) which is located on a geom vertex
+node000 = None
+for vId in geom_builder.SubShapeAllIDs( box, geom_builder.ShapeType["VERTEX"]):
+    if node000: break
+    nodeIds = mesh.GetSubMeshNodesId( vId, True )
+    for node in nodeIds:
+        xyz = mesh.GetNodeXYZ( node )
+        if xyz[0] == 0 and xyz[1] == 0 and xyz[2] == 0 :
+            node000 = node
+            pass
+        pass
+    pass
+
+if not node000:
+    raise Exception("node000 not found")
+
+# find node000 using a dedicated function 
+n = mesh.FindNodeClosestTo( -1,-1,-1 )
+if not n == node000:
+    raise Exception("FindNodeClosestTo() returns " + str( n ) + " != " + str( node000 ))
+
+# move node000 to a new location
+x,y,z = -10, -10, -10
+n = mesh.MoveNode( n,x,y,z )
+if not n:
+    raise Exception("MoveNode() returns " + n)
+
+# check the coordinates of the node000
+xyz = mesh.GetNodeXYZ( node000 )
+if not ( xyz[0] == x and xyz[1] == y and xyz[2] == z) :
+    raise Exception("Wrong coordinates: " + str( xyz ) + " != " + str( [x,y,z] ))