def project_vertex(self, pnt_or_vertex):
''' returns the closest orthogonal project on `pnt` on edge
'''
if isinstance(pnt_or_vertex, TopoDS_Vertex):
pnt_or_vertex = vertex2pnt(pnt_or_vertex)
poc = GeomAPI_ProjectPointOnCurve(pnt_or_vertex, self.curve_handle)
return poc.LowerDistanceParameter(), poc.NearestPoint()
def project_point_on_curve(crv, pnt):
if isinstance(crv, TopoDS_Shape):
# get the curve handle...
crv = adapt_edge_to_curve(crv).Curve().Curve()
else:
raise NotImplementedError('expected a TopoDS_Edge...')
rrr = GeomAPI_ProjectPointOnCurve(pnt, crv)
return rrr.LowerDistanceParameter(), rrr.NearestPoint()
def lower_distance_parameter(self, pnt):
"""Evalute parameter of curve's point that has
minimal distance to pnt"""
algo = GeomAPI_ProjectPointOnCurve(pnt.Pnt(), self.Curve())
return algo.LowerDistanceParameter()