bos #29171 Refactor testing procedure

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

diff --git a/doc/examples/modifying_meshes_cut_triangles.py b/doc/examples/modifying_meshes_cut_triangles.py
new file mode 100644 (file)
index 0000000..f45cc19
--- /dev/null
+++ b/doc/examples/modifying_meshes_cut_triangles.py
@@ -0,0 +1,38 @@
+# Cutting Triangles
+
+import salome
+salome.salome_init_without_session()
+
+from salome.smesh import smeshBuilder
+
+smesh_builder = smeshBuilder.New()
+
+# create 3 triangles and 1 segment all sharing edge 1-2
+mesh = smesh_builder.Mesh()
+n1 = mesh.AddNode( 0, 0, 0)
+n2 = mesh.AddNode( 0, 0, -10)
+n3 = mesh.AddNode( 10, 0, 0)
+n4 = mesh.AddNode( 0, 10, 0)
+n5 = mesh.AddNode( 0, -10, 0)
+mesh.AddFace([ n1, n2, n3])
+mesh.AddFace([ n1, n2, n4])
+mesh.AddFace([ n1, n2, n5])
+mesh.AddEdge([ n1, n2] )
+
+# ===========================================================================
+# cut all the triangles and the segment by setting a new node on the segment
+# ===========================================================================
+
+mesh.AddNodeOnSegment( n1, n2, 0.6 )
+assert mesh.NbNodes() == 6     # one new node created
+assert mesh.NbTriangles() == 6 # each of the 3 triangles is split into two
+assert mesh.NbEdges() == 2     # a segment is split into two
+
+# ===============================================================
+# cut a triangle into three by adding a new node on the triangle
+# ===============================================================
+
+triangleID = 1
+mesh.AddNodeOnFace( triangleID, 2, 0, -6 )
+assert mesh.NbNodes() == 7     # one new node created
+assert mesh.NbTriangles() == 8 # the triangles is split into three