def split_run(self, num=5):
for i in range(num):
pnt = gp_Pnt(*np.random.rand(3) * 100)
vec = gp_Vec(*np.random.randn(3))
pln = gp_Pln(pnt, vec_to_dir(vec))
fce = make_face(pln, -10000, 10000, -10000, 10000)
self.splitter.AddTool(fce)
self.splitter.Perform()
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 extrude_closed_wire(wire: TopoDS_Wire, origin, normal,
height) -> TopoDS_Shape:
"""Extrude a closed wire into a solid"""
p1 = origin + normal * height
starting_point = gp_Pnt(origin[0], origin[1], origin[2])
end_point = gp_Pnt(*p1.tolist())
vec = gp_Vec(starting_point, end_point)
solid = make_extrusion(make_face(wire), height, vec)
return solid
def cross_sec_face(sec_profile: SectionProfile, placement: Placement,
solid_repre) -> Union[TopoDS_Face, TopoDS_Wire]:
inner_shape = None
if sec_profile.sec.type in SectionCat.tubular:
outer_shape = make_wire(
[make_circle(placement.origin, placement.zdir, sec_profile.sec.r)])
inner_shape = make_wire([
make_circle(placement.origin, placement.zdir,
sec_profile.sec.r - sec_profile.sec.wt)
])
elif sec_profile.sec.type in SectionCat.circular:
outer_shape = make_wire(
[make_circle(placement.origin, placement.zdir, sec_profile.sec.r)])
elif sec_profile.sec.type in SectionCat.general:
radius = np.sqrt(sec_profile.sec.properties.Ax / np.pi)
outer_shape = make_wire(
[make_circle(placement.origin, placement.zdir, radius)])
else:
if sec_profile.disconnected is False:
outer_curve = sec_profile.outer_curve
inner_curve = sec_profile.inner_curve
outer_curve.placement = placement
outer_shape = outer_curve.face
if inner_curve is not None:
inner_curve.placement = placement
inner_shape = inner_curve.wire
else:
outer_shape = []
for curve in sec_profile.outer_curve_disconnected:
curve.placement = placement
outer_shape.append(curve.wire)
if inner_shape is not None and solid_repre is True:
try:
face = make_face(outer_shape) if type(
outer_shape) is not TopoDS_Face else outer_shape
shape = make_face_w_cutout(face, inner_shape)
except TypeError as e:
raise TypeError(e)
except AssertionError as e:
raise AssertionError(e)
else:
shape = outer_shape
if shape is None:
raise ValueError("Shape cannot be None")
return shape
def build_geom_plate(edges):
bpSrf = GeomPlate_BuildPlateSurface(3, 9, 12)
# add curve constraints
for edg in edges:
c = BRepAdaptor_HCurve()
print('edge:', edg)
c.ChangeCurve().Initialize(edg)
constraint = BRepFill_CurveConstraint(c.GetHandle(), 0)
bpSrf.Add(constraint.GetHandle())
# add point constraint
try:
bpSrf.Perform()
except RuntimeError:
print('failed to build the geom plate surface ')
srf = bpSrf.Surface()
plate = GeomPlate_MakeApprox(srf, 0.01, 10, 5, 0.01, 0, GeomAbs_C0)
uMin, uMax, vMin, vMax = srf.GetObject().Bounds()
face = make_face(plate.Surface(), uMin, uMax, vMin, vMax, 1e-6)
return face
def MakeEllipsFace(self, Major: float, Minor: float) -> TopoDS_Face:
elip = gp_Elips( gp_XOY(), Major, Minor )
ed = make_edge( elip )
wire = make_wire( ed )
return make_face( wire )
def MakeCircleFace(self, Radius: float) -> TopoDS_Face:
circle = Geom_Circle( gp_XOY(), Radius )
ed = make_edge( circle )
wire = make_wire( ed )
return make_face( wire )
