def curve(self):
"""
:return: The underlying curve of the edge.
:rtype: afem.geometry.entities.Curve
"""
geom_curve, _, _ = BRep_Tool.Curve_(self.object, 0., 0.)
return Curve.wrap(geom_curve)
def update_shape(self, change=None):
d = self.declaration
child = self.get_first_child()
if hasattr(child, 'curve'):
curve = child.curve
else:
curve = BRep_Tool.Curve_(child.shape, 0, 1)[0]
trimmed_curve = self.curve = Geom_TrimmedCurve(curve, d.u, d.v)
self.shape = self.make_edge(trimmed_curve)
def curve_of_edge(edge):
"""
Get the curve of the edge.
:param OCCT.TopoDS.TopoDS_Edge edge: The edge.
:return: Underlying curve of edge.
:rtype: OCCT.Geom.Geom_Curve
"""
return BRep_Tool.Curve_(edge, 0., 0.)