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()
SPL1_c = SPL1.GetObject()
# 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()
SPL2_c = SPL2.GetObject()
# Fill with StretchStyle
aGeomFill1 = GeomFill_BSplineCurves(SPL1, SPL2, GeomFill_StretchStyle)
SPL3 = Handle_Geom_BSplineCurve_DownCast(
SPL1_c.Translated(gp_Vec(10, 0, 0)))
SPL4 = Handle_Geom_BSplineCurve_DownCast(
SPL2_c.Translated(gp_Vec(10, 0, 0)))
# Fill with CoonsStyle
aGeomFill2 = GeomFill_BSplineCurves(SPL3, SPL4, GeomFill_CoonsStyle)
SPL5 = Handle_Geom_BSplineCurve_DownCast(
SPL1_c.Translated(gp_Vec(20, 0, 0)))
SPL6 = Handle_Geom_BSplineCurve_DownCast(
SPL2_c.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 make_coons(edges):
if len(edges) == 4:
spl1, spl2, spl3, spl4 = edges
srf = GeomFill_BSplineCurves(spl1, spl2, spl3, spl4,
GeomFill_StretchStyle)
elif len(edges) == 3:
spl1, spl2, spl3 = edges
srf = GeomFill_BSplineCurves(spl1, spl2, spl3, GeomFill_StretchStyle)
elif len(edges) == 2:
spl1, spl2 = edges
srf = GeomFill_BSplineCurves(spl1, spl2, GeomFill_StretchStyle)
else:
raise ValueError('give 2,3 or 4 curves')
return srf.Surface()
def make_coons(edges):
from OCC.GeomFill import GeomFill_BSplineCurves, GeomFill_StretchStyle
bt = BRep_Tool()
if len(edges) == 4:
spl1, spl2, spl3, spl4 = edges #[curve_to_bspline(bt.Curve(i)[0]) for i in edges]
srf = GeomFill_BSplineCurves(spl1, spl2, spl3, spl4,
GeomFill_StretchStyle)
elif len(edges) == 3:
spl1, spl2, spl3 = edges #[curve_to_bspline(bt.Curve(i)[0]) for i in edges]
srf = GeomFill_BSplineCurves(spl1, spl2, spl3, GeomFill_StretchStyle)
elif len(edges) == 2:
spl1, spl2 = edges #[curve_to_bspline(bt.Curve(i)[0]) for i in edges]
srf = GeomFill_BSplineCurves(spl1, spl2, GeomFill_StretchStyle)
else:
raise ValueError('give 2,3 or 4 curves')
return srf.Surface()