desc.geometry.FourierPlanarCurve.compute_curvature

FourierPlanarCurve.compute_curvature(center=None, normal=None, r_n=None, grid=None)[source]

Compute curvature using specified coefficients.

Parameters:

  • center (array-like, shape(3,)) – x,y,z coordinates of center of curve. If not given, defaults to self.center

  • normal (array-like, shape(3,)) – x,y,z components of normal vector to planar surface. If not given, defaults to self.normal

  • r_n (array-like) – fourier coefficients for radius from center as function of polar angle. If not given defaults to self.r_n

  • grid (Grid or array-like) – dependent coordinates to compute at. Defaults to self.grid If an integer, assumes that many linearly spaced points in (0,2pi)

Returns:

kappa (ndarray, shape(k,)) – curvature of the curve at specified grid locations in theta