geom/doc/salome/examples/basic_geom_objs_ex04.py

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# Creation of an Ellipse
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 vertices
p0 = geompy.MakeVertex(0., 0., 0.)
p1 = geompy.MakeVertex(50., 50., 50.)
p2 = geompy.MakeVertex(0., 50., 0.)
# create a normal vector from two points
normal = geompy.MakeVector(p0, p1)
# create a major axis vector from two points
major = geompy.MakeVector(p0, p2)
# create an ellipse from a point, a vector and radiuses
ellipse1 = geompy.MakeEllipse(p1, normal, 50, 25)
# create an ellipse from a point, a normal vector, radiuses and a major axis vector
ellipse2 = geompy.MakeEllipse(p1, normal, 50, 25, major)
# add objects in the study
id_normal = geompy.addToStudy(normal, "Normal")
id_major = geompy.addToStudy(major, "Major Axis")
id_ellipse1 = geompy.addToStudy(ellipse1, "Ellipse 1")
id_ellipse2 = geompy.addToStudy(ellipse2, "Ellipse 2")
# display the ellipse and its normal vector
gg.createAndDisplayGO(id_normal)
gg.createAndDisplayGO(id_major)
gg.createAndDisplayGO(id_ellipse1)
gg.createAndDisplayGO(id_ellipse2)