def test_surface_from_curves(self):
'''Test: surfaces from curves'''
array = []
array.append(gp_Pnt(-4, 0, 2))
array.append(gp_Pnt(-7, 2, 2))
array.append(gp_Pnt(-6, 3, 1))
array.append(gp_Pnt(-4, 3, -1))
array.append(gp_Pnt(-3, 5, -2))
aaa = point_list_to_TColgp_Array1OfPnt(array)
SPL1 = GeomAPI_PointsToBSpline(aaa).Curve()
a2 = []
a2.append(gp_Pnt(-4, 0, 2))
a2.append(gp_Pnt(-2, 2, 0))
a2.append(gp_Pnt(2, 3, -1))
a2.append(gp_Pnt(3, 7, -2))
a2.append(gp_Pnt(4, 9, -1))
bbb = point_list_to_TColgp_Array1OfPnt(a2)
SPL2 = GeomAPI_PointsToBSpline(bbb).Curve()
aGeomFill1 = GeomFill_BSplineCurves(SPL1, SPL2, GeomFill_StretchStyle)
SPL3 = Geom_BSplineCurve.DownCast(SPL1.Translated(gp_Vec(10, 0, 0)))
SPL4 = Geom_BSplineCurve.DownCast(SPL2.Translated(gp_Vec(10, 0, 0)))
aGeomFill2 = GeomFill_BSplineCurves(SPL3, SPL4, GeomFill_CoonsStyle)
SPL5 = Geom_BSplineCurve.DownCast(SPL1.Translated(gp_Vec(20, 0, 0)))
SPL6 = Geom_BSplineCurve.DownCast(SPL2.Translated(gp_Vec(20, 0, 0)))
aGeomFill3 = GeomFill_BSplineCurves(SPL5, SPL6, GeomFill_CurvedStyle)
aBSplineSurface1 = aGeomFill1.Surface()
aBSplineSurface2 = aGeomFill2.Surface()
aBSplineSurface3 = aGeomFill3.Surface()
def surface_from_curves():
'''
@param display:
'''
# First spline
array = []
array.append(gp_Pnt(-4, 0, 2))
array.append(gp_Pnt(-7, 2, 2))
array.append(gp_Pnt(-6, 3, 1))
array.append(gp_Pnt(-4, 3, -1))
array.append(gp_Pnt(-3, 5, -2))
pt_list1 = point_list_to_TColgp_Array1OfPnt(array)
SPL1 = GeomAPI_PointsToBSpline(pt_list1).Curve()
# Second spline
a2 = []
a2.append(gp_Pnt(-4, 0, 2))
a2.append(gp_Pnt(-2, 2, 0))
a2.append(gp_Pnt(2, 3, -1))
a2.append(gp_Pnt(3, 7, -2))
a2.append(gp_Pnt(4, 9, -1))
pt_list2 = point_list_to_TColgp_Array1OfPnt(a2)
SPL2 = GeomAPI_PointsToBSpline(pt_list2).Curve()
# Fill with StretchStyle
aGeomFill1 = GeomFill_BSplineCurves(SPL1,
SPL2,
GeomFill_StretchStyle)
SPL3 = Geom_BSplineCurve.DownCast(SPL1.Translated(gp_Vec(10, 0, 0)))
SPL4 = Geom_BSplineCurve.DownCast(SPL2.Translated(gp_Vec(10, 0, 0)))
# Fill with CoonsStyle
aGeomFill2 = GeomFill_BSplineCurves(SPL3,
SPL4,
GeomFill_CoonsStyle)
SPL5 = Geom_BSplineCurve.DownCast(SPL1.Translated(gp_Vec(20, 0, 0)))
SPL6 = Geom_BSplineCurve.DownCast(SPL2.Translated(gp_Vec(20, 0, 0)))
# Fill with CurvedStyle
aGeomFill3 = GeomFill_BSplineCurves(SPL5,
SPL6,
GeomFill_CurvedStyle)
aBSplineSurface1 = aGeomFill1.Surface()
aBSplineSurface2 = aGeomFill2.Surface()
aBSplineSurface3 = aGeomFill3.Surface()
display.DisplayShape(make_face(aBSplineSurface1, 1e-6))
display.DisplayShape(make_face(aBSplineSurface2, 1e-6))
display.DisplayShape(make_face(aBSplineSurface3, 1e-6), update=True)
def test_downcast_curve(self) -> None:
"""Test if a GeomCurve can be DownCasted to a GeomLine"""
edge = BRepBuilderAPI_MakeEdge(gp_Pnt(0, 0, 0), gp_Pnt(1, 0, 0)).Edge()
curve, _, _ = BRep_Tool_Curve(edge)
self.assertTrue(isinstance(curve, Geom_Curve))
# The edge is internally a line, so we should be able to downcast it
line = Geom_Line.DownCast(curve)
self.assertTrue(isinstance(line, Geom_Curve))
# Hence, it should not be possible to downcast it as a B-Spline curve
bspline = Geom_BSplineCurve.DownCast(curve)
self.assertTrue(bspline is None)