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 __init__(self, crv, pln, direction=None, keep_param=True):
super(ProjectCurveToPlane, self).__init__()
direction = CheckGeom.to_direction(direction)
if not CheckGeom.is_direction(direction):
direction = pln.object.Pln().Axis().Direction()
# OCC projection
hcrv = GeomProjLib.ProjectOnPlane_(crv.object, pln.object, direction,
keep_param)
self._crv = Curve(hcrv)
def __init__(self, srf1, srf2, itol=1.0e-7, approx=True):
super(IntersectSurfaceSurface, self).__init__()
# OCC intersect
ssi = GeomInt_IntSS(srf1.object, srf2.object, itol,
approx, False, False)
# Build curves
ncrvs = ssi.NbLines()
crvs = []
for i in range(1, ncrvs + 1):
hcrv = ssi.Line(i)
crvs.append(Curve(hcrv))
self._crvs = crvs
self._tol3d = ssi.TolReached3d()
def curve(self):
"""
:return: The curve formed by concatenating all the underlying curves
of the edges.
:rtype: afem.geometry.entities.NurbsCurve
"""
geom_convert = GeomConvert_CompCurveToBSplineCurve()
exp = BRepTools_WireExplorer(self.object)
tol = self.tol_max
while exp.More():
e = TopoDS.Edge_(exp.Current())
exp.Next()
adp_crv = BRepAdaptor_Curve(e)
geom_convert.Add(adp_crv.BSpline(), tol)
geom_curve = geom_convert.BSplineCurve()
return Curve.wrap(geom_curve)
def __init__(self, crv, srf):
super(ProjectCurveToSurface, self).__init__()
# OCC projection
hcrv = GeomProjLib.Project_(crv.object, srf.object)
self._crv = Curve(hcrv)