0020108: EDF 852 SMESH : Add examples in projection algorithm doc

+\anchor tui_projection
+<h3>Projection algorithms</h3>
+
+\code
+ ...
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eap 2009-08-27 11:56:45 +00:00
parent 037d3f1a0c
commit a483ff55f4

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@ -386,9 +386,76 @@ n23_params = algo3D.Parameters()
tetraN.Compute()
\endcode
<br>
\anchor tui_projection
<h3>Projection algorithms</h3>
\code
# Project pentahedrons from one meshed box to another mesh on the same box
from smesh import *
# Prepare geometry
# Create a parallelepiped
box = geompy.MakeBoxDXDYDZ(200, 100, 70)
geompy.addToStudy( box, "box" )
# Get geom faces to mesh with triangles in the 1ts and 2nd meshes
faces = geompy.SubShapeAll(box, geompy.ShapeType["FACE"])
# 2 adjacent faces of the box
f1 = faces[2]
f2 = faces[0]
# face opposite to f2
f2opp = faces[1]
# Get vertices used to specify how to associate sides of faces at projection
[v1F1, v2F1] = geompy.SubShapeAll(f1, geompy.ShapeType["VERTEX"])[:2]
[v1F2, v2F2] = geompy.SubShapeAll(f2, geompy.ShapeType["VERTEX"])[:2]
geompy.addToStudyInFather( box, v1F1, "v1F1" )
geompy.addToStudyInFather( box, v2F1, "v2F1" )
geompy.addToStudyInFather( box, v1F2, "v1F2" )
geompy.addToStudyInFather( box, v2F2, "v2F2" )
# Make the source mesh with prisms
src_mesh = Mesh(box, "Source mesh")
src_mesh.Segment().NumberOfSegments(9,10)
src_mesh.Quadrangle()
src_mesh.Hexahedron()
src_mesh.Triangle(f1) # triangular sumbesh
src_mesh.Compute()
# Mesh the box using 2D and 3D projection algoritms
# Define the same global 1D and 2D hypotheses
tgt_mesh = Mesh(box, "Target mesh")
tgt_mesh.Segment().NumberOfSegments(9,10,UseExisting=True)
tgt_mesh.Quadrangle()
# Define hypotheses to project triangles from f1 face of the source mesh to
# f2 face in the target mesh. Vertices specify how to associate sides of faces
proj2D = tgt_mesh.Projection2D( f2 )
proj2D.SourceFace( f1, src_mesh, v1F1, v1F2, v2F1, v2F2 )
# Hypotheses to project triangles from f2 of target mesh to the face opposite to f2.
# Association of face sides is default
proj2D = tgt_mesh.Projection2D( f2opp )
proj2D.SourceFace( f2 )
# Hypotheses to project prisms from the source to the target mesh
proj3D = tgt_mesh.Projection3D()
proj3D.SourceShape3D( box, src_mesh, v1F1, v1F2, v2F1, v2F2 )
tgt_mesh.Compute()
# Move the source mesh to visualy compare the two meshes
src_mesh.TranslateObject( src_mesh, MakeDirStruct( 210, 0, 0 ), Copy=False)
\endcode
\n Other meshing algorithms:
<ul>
<li>\subpage tui_defining_blsurf_hypotheses_page</li>
</ul>
*/
*/