def insert_knot(self, direction, parameter, count=1):
if direction == SvNurbsSurface.U:
uv = [parameter, None]
counts = [count, 0]
elif direction == SvNurbsSurface.V:
uv = [None, parameter]
counts = [0, count]
surface = operations.insert_knot(self.surface, uv, counts)
return SvGeomdlSurface(surface)
def insert_knot(self, u, count=1):
curve = operations.insert_knot(self.curve, [u], [count])
return SvGeomdlCurve(curve)
# Set degrees
surf03.degree_u = 1
surf03.degree_v = 1
# Get the control points from the generated grid
surf03.ctrlpts2d = sg03.grid
# Set knot vectors
surf03.knotvector_u = utilities.generate_knot_vector(surf03.degree_u,
surf03.ctrlpts_size_u)
surf03.knotvector_v = utilities.generate_knot_vector(surf03.degree_v,
surf03.ctrlpts_size_v)
# Construct the parametric volume with a uniform knot vector
pvolume = construct.construct_volume('w', surf01, surf02, surf03, degree=1)
# Visualize volume
pvolume.vis = vis.VisVolume(vis.VisConfig(ctrlpts=True, evalpts=False))
pvolume.render()
# Insert knots
operations.insert_knot(pvolume, [None, None, 0.25], [0, 0, 1])
operations.insert_knot(pvolume, [None, None, 0.75], [0, 0, 1])
# Visualize volume after knot insertions
pvolume.render()
# Good to have something here to put a breakpoint
pass
def insert_knot(self, u, count=1, if_possible=False):
curve = self.copy()
curve = operations.insert_knot(curve.curve, [u], [count])
r = SvGeomdlCurve(curve)
r.u_bounds = self.u_bounds
return r
surf03 = BSpline.Surface()
# Set degrees
surf03.degree_u = 2
surf03.degree_v = 1
# Get the control points from the generated grid
surf03.ctrlpts2d = sg03.grid
# Set knot vectors
surf03.knotvector_u = utilities.generate_knot_vector(surf03.degree_u,
surf03.ctrlpts_size_u)
surf03.knotvector_v = utilities.generate_knot_vector(surf03.degree_v,
surf03.ctrlpts_size_v)
# Construct the parametric volume with a uniform knot vector
pvolume = construct.construct_volume('w', surf01, surf02, surf03, degree=1)
# Visualize volume
pvolume.vis = vis.VisVolume(vis.VisConfig(ctrlpts=True, evalpts=False))
pvolume.render()
# Insert knots
operations.insert_knot(pvolume, [0.9, 0.1, None], [2, 1, 0])
# Visualize volume after knot insertions
pvolume.render()
# Good to have something here to put a breakpoint
pass