SALOME documentation central

Advanced Geometrical Objects


Creation of an Edge

import geompy
import salome
gg = salome.ImportComponentGUI("GEOM")

# create vertices
p0   = geompy.MakeVertex(0.  , 0.  , 0.  )
pxyz = geompy.MakeVertex(100., 100., 100.)

# create an edge
edge = geompy.MakeEdge(p0, pxyz)

# add object in the study
id_edge = geompy.addToStudy(edge,"Edge")

# display an edge
gg.createAndDisplayGO(id_edge) 


Creation of a Wire

import geompy
import salome
gg = salome.ImportComponentGUI("GEOM")

# create vertices
px   = geompy.MakeVertex(100., 0.  , 0.  )
py   = geompy.MakeVertex(0.  , 100., 0.  )
pz   = geompy.MakeVertex(0.  , 0.  , 100.)

# create a vector from two points
vxy = geompy.MakeVector(px, py)

# create an arc from three points
arc = geompy.MakeArc(py, pz, px)

# create a wire
wire = geompy.MakeWire([vxy, arc])

# add an object in the study
id_wire = geompy.addToStudy(wire,"Wire")

# display the wire
gg.createAndDisplayGO(id_wire) 


Creation of a Face

import geompy
import salome
gg = salome.ImportComponentGUI("GEOM")

# create vertices
p0   = geompy.MakeVertex(0.  , 0.  , 0.  )
px   = geompy.MakeVertex(100., 0.  , 0.  )
py   = geompy.MakeVertex(0.  , 100., 0.  )
pz   = geompy.MakeVertex(0.  , 0.  , 100.)
pxyz = geompy.MakeVertex(100., 100., 100.)

# create a vector from two points
vxy = geompy.MakeVector(px, py)

# create an arc from three points
arc = geompy.MakeArc(py, pz, px)

# create a wire
wire = geompy.MakeWire([vxy, arc])

# create sketchers
sketcher1 = geompy.MakeSketcher("Sketcher:F -100 -100:TT 250 -100:R 0:C 100 150:R 0:L 300:WW",
                                [100,0,0, 1,1,1, -1,1,0])
sketcher2 = geompy.MakeSketcher("Sketcher:F 0 0:TT 70 0:TT 70 70:TT 0 70:WW")
sketcher3 = geompy.MakeSketcher("Sketcher:F 20 20:TT 50 20:TT 50 50:TT 20 50:WW")
isPlanarFace = 1

# create a face from the wire
face1 = geompy.MakeFace(wire, isPlanarFace)

# create faces from two wires
face2 = geompy.MakeFaceWires([wire, sketcher1],isPlanarFace)
face3 = geompy.MakeFaces([sketcher2, sketcher3],isPlanarFace)

# add objects in the study
id_face1 = geompy.addToStudy(face1,"Face1")
id_face2 = geompy.addToStudy(face2,"Face2")
id_face3 = geompy.addToStudy(face3,"Face3")

# display the faces
gg.createAndDisplayGO(id_face1)
gg.setDisplayMode(id_face1,1)
gg.setTransparency(id_face1,0.2)
gg.createAndDisplayGO(id_face2)
gg.setDisplayMode(id_face2,1)
gg.setTransparency(id_face2,0.2)
gg.createAndDisplayGO(id_face3)
gg.setDisplayMode(id_face3,1)
gg.setTransparency(id_face3,0.2) 


Creation of a Shell

import geompy
import salome
gg = salome.ImportComponentGUI("GEOM")

#create vertices
p0   = geompy.MakeVertex( 0.,  0.,  0.)
pxyz = geompy.MakeVertex( 5.,  5., 40.)

# create sketchers
sketcher1 = geompy.MakeSketcher("Sketcher:F 0 0:TT 70 0:TT 70 70:TT 0 70:WW")
sketcher2 = geompy.MakeSketcher("Sketcher:F 20 20:TT 50 20:TT 50 50:TT 20 50:WW")
isPlanarFace = 1

# create a face from two wires
face = geompy.MakeFaces([sketcher1, sketcher2],isPlanarFace)

# create a prism
prism = geompy.MakePrism(face, p0, pxyz)

# explode the prism into faces
prism_faces = geompy.SubShapeAllSorted(prism, geompy.ShapeType["FACE"])

# create a shell from a set of faces
shell = geompy.MakeShell([prism_faces[0], prism_faces[2], prism_faces[3],
                          prism_faces[7], prism_faces[9]])

# add objects in the study
id_shell = geompy.addToStudy(shell,"Shell")

# display the shell
gg.createAndDisplayGO(id_shell)
gg.setDisplayMode(id_shell,1) 


Creation of a Solid

import geompy
import salome
gg = salome.ImportComponentGUI("GEOM")

#create vertices
p0 = geompy.MakeVertex( 0.,  0.,  0.)
pz = geompy.MakeVertex( 0.,  0., 40.)

# create sketchers
sketcher = geompy.MakeSketcher("Sketcher:F -50 -50:TT 100 -50:R 0:C 50 70:R 0:L 100:WW")

# create faces from two wires
face = geompy.MakeFace(sketcher,1)

# create a prism
prism = geompy.MakePrism(face, p0, pz)

# explode the prism into faces
prism_faces = geompy.SubShapeAllSorted(prism, geompy.ShapeType["FACE"])

# create a shell from a set of faces
shell = geompy.MakeShell([prism_faces[0], prism_faces[1],
                          prism_faces[3], prism_faces[4],
                          prism_faces[5], prism_faces[2]])

# create a solid, bounded by the given shells
solid = geompy.MakeSolid([shell])

# add objects in the study
id_solid = geompy.addToStudy(solid,"Solid")

# display the solid
gg.createAndDisplayGO(id_solid)
gg.setDisplayMode(id_solid,1) 


Creation of a Compound

import geompy
import salome
gg = salome.ImportComponentGUI("GEOM")

# create a vertex and a vector
p1 = geompy.MakeVertex(  -30.,  -30.,  50.)
p2 = geompy.MakeVertex(  -60.,  -60.,  30.)
p3 = geompy.MakeVertex(  -30.,  -30.,  10.)

# create an arc from three points
arc = geompy.MakeArc(p1, p2, p3)
ShapeListCompound = []
i = 0
while i <= 3 :
    S = geompy.MakeTranslation(arc, i * 50., 0., 0.)
    ShapeListCompound.append(S)
    i = i + 1

# create a compund of the given shapes
compound = geompy.MakeCompound(ShapeListCompound)

# add object in the study
id_compound = geompy.addToStudy(compound,"Compound")

# display the compound
gg.createAndDisplayGO(id_compound) 

Copyright © 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
Copyright © 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS