geom/doc/salome/examples/working_with_groups_ex01.py

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# Creation of a group
import salome
salome.salome_init()
import GEOM
from salome.geom import geomBuilder
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geompy = geomBuilder.New()
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gg = salome.ImportComponentGUI("GEOM")
# create two vertices
p0 = geompy.MakeVertex(0. , 0. , 0. )
p200 = geompy.MakeVertex(200., 200., 200.)
# create a box from two points
Box = geompy.MakeBoxTwoPnt(p0, p200)
# create a group from the faces of the box
group = geompy.CreateGroup(Box, geompy.ShapeType["FACE"])
# add objects to the group
SubFaceList = geompy.SubShapeAllSortedCentres(Box, geompy.ShapeType["FACE"])
for i in [0, 3, 5] :
FaceID = geompy.GetSubShapeID(Box, SubFaceList[i])
geompy.AddObject(group, FaceID)
# add all selected shapes from the list to the group
# (the program doesn't raise error, if some shapes are already included)
geompy.UnionList(group, [SubFaceList[0], SubFaceList[2], SubFaceList[5]])
# remove an object from the group
geompy.RemoveObject(group, FaceID)
# remove all selected shapes from the group
# (the program doesn't raise error, if some shapes are not included)
geompy.DifferenceList(group, [SubFaceList[2], SubFaceList[3], SubFaceList[4]])
id_group1 = geompy.addToStudy(group, "Group1")
# display the contents of the group
gg.createAndDisplayGO(id_group1)
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salome.sg.updateObjBrowser()