bos #29171 Refactor testing procedure

[modules/smesh.git] / doc / examples / grouping_elements_ex03.py

diff --git a/doc/examples/grouping_elements_ex03.py b/doc/examples/grouping_elements_ex03.py
new file mode 100644 (file)
index 0000000..2de59d7
--- /dev/null
+++ b/doc/examples/grouping_elements_ex03.py
@@ -0,0 +1,44 @@
+# Create a Group on Filter
+
+import salome
+salome.salome_init_without_session()
+
+import SMESH
+from salome.geom import geomBuilder
+from salome.smesh import smeshBuilder
+
+geom_builder = geomBuilder.New()
+smesh_builder = smeshBuilder.New()
+
+box = geom_builder.MakeBoxDXDYDZ(10,10,10)
+
+# make a mesh with quadrangles of different area in range [1,16]
+mesh = smesh_builder.Mesh(box,"Quad mesh")
+hyp1D = mesh.Segment().StartEndLength( 1, 4 )
+mesh.Quadrangle()
+mesh.Compute()
+
+# create a group on filter selecting faces of medium size
+critaria = [ \
+    smesh_builder.GetCriterion(SMESH.FACE, SMESH.FT_Area, ">", 1.1, BinaryOp=SMESH.FT_LogicalAND ),
+    smesh_builder.GetCriterion(SMESH.FACE, SMESH.FT_Area, "<", 15.0 )
+    ]
+filt = smesh_builder.GetFilterFromCriteria( critaria )
+filtGroup = mesh.GroupOnFilter( SMESH.FACE, "group on filter", filt )
+print("Group on filter contains %s elements" % filtGroup.Size())
+
+# group on filter is updated if the mesh is modified
+hyp1D.SetStartLength( 2.5 )
+hyp1D.SetEndLength( 2.5 )
+mesh.Compute()
+print("After mesh change, group on filter contains %s elements" % filtGroup.Size())
+
+# set a new filter defining the group
+filt2 = smesh_builder.GetFilter( SMESH.FACE, SMESH.FT_RangeOfIds, "1-50" )
+filtGroup.SetFilter( filt2 )
+print("With a new filter, group on filter contains %s elements" % filtGroup.Size())
+
+# group is updated at modification of the filter
+filt2.SetCriteria( [ smesh_builder.GetCriterion( SMESH.FACE, SMESH.FT_RangeOfIds, "1-70" )])
+filtIDs3 = filtGroup.GetIDs()
+print("After filter modification, group on filter contains %s elements" % filtGroup.Size())