geom/doc/salome/examples/center_of_mass.py
2021-08-12 08:45:03 +02:00

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Python

# Center of masses
import salome
salome.salome_init_without_session()
import GEOM
from salome.geom import geomBuilder
geompy = geomBuilder.New()
import math
# create a box
box = geompy.MakeBoxDXDYDZ(100,30,100)
cm = geompy.MakeCDG(box)
if cm is None:
raise RuntimeError("MakeCDG(box) failed")
else:
print("\nCentre of gravity of box has been successfully obtained:")
coords = geompy.PointCoordinates(cm)
print("(", coords[0], ", ", coords[1], ", ", coords[2], ")")
dx = math.sqrt((coords[0] - 50)*(coords[0] - 50))
dy = math.sqrt((coords[1] - 15)*(coords[1] - 15))
dz = math.sqrt((coords[2] - 50)*(coords[2] - 50))
if dx > 1e-7 or dy > 1e-7 or dz > 1e-7:
print("But must be (50, 15, 50)")