def unclamp():
"""(Un)Clamp the curve N"""
global N, C, dialog
if N.isClamped():
N = N.unclamp()
else:
N = N.clamp()
print(N)
drawNurbs(N, color=red, linewidth=3, clear=False)
def removeAllKnots():
"""Remove all removable knots."""
global N, dialog
dialog.acceptData()
res = dialog.results
tol = res['tol']
N = N.removeAllKnots(tol=tol)
print(N)
drawNurbs(N, color=blue)
zoomAll()
def insertKnot():
"""Insert a knot in the knot vector of Nurbs curve N."""
global N, dialog
dialog.acceptData()
res = dialog.results
u = eval('[%s]' % res['u'])
N = N.insertKnots(u)
print(N)
drawNurbs(N, color=red, knotsize=5)
zoomAll()
def removeKnot():
"""Remove a knot from the knot vector of Nurbs curve N."""
global N, dialog
dialog.acceptData()
res = dialog.results
ur = res['ur']
m = res['m']
tol = res['tol']
N = N.removeKnot(ur, m, tol)
print(N)
drawNurbs(N, color=blue, knotsize=5)
zoomAll()
def decompose():
"""Decompose Nurbs curve N"""
global N, C, dialog
N1 = N.decompose()
print(N1)
drawNurbs(N1, color=black, knotsize=10, knot_values=False)
zoomAll()
C = BezierSpline(control=N1.coords.toCoords(), degree=N1.degree)
#draw(C, color=blue)
for i, Ci in enumerate(C.split()):
print(Ci)
Ci.setProp(i)
draw(Ci, color=i, linewidth=5)
def showCurve(reverse=False):
"""Select and show a Nurbs curve."""
global N, dialog
if dialog:
dialog.acceptData()
res = dialog.results
curv = res['curv']
else:
curv = ''
N = createNurbs(curv)
if reverse:
N = N.reverse()
print(N)
drawNurbs(N, color=blue, knotsize=5)