Package openalea :: Package plantgl :: Package scenegraph :: Module nurbspatch_nd :: Class NurbsPatch3D

Class NurbsPatch3D

Instance Methods

__init__(self, points, udeg=3, vdeg=3, wdeg=3, uknots=None, vknots=None, wknots=None, ustride=30, vstride=30, wstride=30)

getParametrization(self, p)
return (u,v,t)

getPointAt(self, u, v, w)
Compute point at (u,v,w)

getUPatch(self, u)

getVPatch(self, v)

getWDerivativeAt(self, u, v, w)
Compute point at (u,v,w)

getWPatch(self, w)

isValid(self)
Test whether self is valid or not