mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-12-27 01:40:33 +05:00
39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
# 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
|