def UpdateClippingPlane(self, direction):
tmp_plane = gp_Pln(self.myCenter, direction)
equation = Graphic3d_ClipPlane(tmp_plane).GetEquation()
self.myClippingPlane.SetEquation(equation)
self.myGeomClippingPlane.SetPln(self.myClippingPlane.ToPlane())
self.myAIS_ClippingPlane.SetComponent(self.myGeomClippingPlane)
self.myContext.Redisplay(self.myAIS_ClippingPlane, True)
self.myContext.UpdateCurrentViewer()
def InitClippingPlane(self):
# clip plane number one, by default xOy
clip_plane = Graphic3d_ClipPlane(
gp_Pln(self.myCenter, gp_Dir(1., 0., 0.)))
# set hatch on
clip_plane.SetCapping(True)
clip_plane.SetCappingHatch(True)
# off by default, user will have to enable it
clip_plane.SetOn(True)
# set clip plane color
aMat = clip_plane.CappingMaterial()
aColor = Quantity_Color(0.5, 0.6, 0.7, Quantity_TOC_RGB)
aMat.SetAmbientColor(aColor)
aMat.SetDiffuseColor(aColor)
clip_plane.SetCappingMaterial(aMat)
self.myClippingPlane = clip_plane
self.myGeomClippingPlane = Geom_Plane(self.myClippingPlane.ToPlane())
self.myAIS_ClippingPlane = AIS_Plane(self.myGeomClippingPlane)
settings = ifcopenshell.geom.settings()
# tells ifcopenshell to use pythonocc
settings.set(settings.USE_PYTHON_OPENCASCADE, True)
# read the ifc file
print("Loading ifc file ...", end="")
ifc_filename = "./assets/ifc_models/A_IFC_model.ifc"
assert os.path.isfile(ifc_filename)
ifc_file = ifcopenshell.open(ifc_filename)
print("done.")
# the clip plane
# clip plane number one, by default xOy
clip_plane_1 = Graphic3d_ClipPlane()
# set hatch on
clip_plane_1.SetCapping(True)
clip_plane_1.SetCappingHatch(True)
# off by default, user will have to enable it
clip_plane_1.SetOn(False)
# set clip plane color
aMat = clip_plane_1.CappingMaterial()
aColor = Quantity_Color(0.5, 0.6, 0.7, Quantity_TOC_RGB)
aMat.SetAmbientColor(aColor)
aMat.SetDiffuseColor(aColor)
clip_plane_1.SetCappingMaterial(aMat)