desc.geometry.FourierRZCurve.compute_coordinates
- FourierRZCurve.compute_coordinates(R_n=None, Z_n=None, grid=None, dt=0, basis='rpz')[source]
Compute values using specified coefficients.
- Parameters:
R_n (array-like) – fourier coefficients for R, Z. Defaults to self.R_n, self.Z_n
Z_n (array-like) – fourier coefficients for R, Z. Defaults to self.R_n, self.Z_n
grid (Grid or array-like) – toroidal coordinates to compute at. Defaults to self.grid If an integer, assumes that many linearly spaced points in (0,2pi)
dt (int) – derivative order to compute
basis ({"rpz", "xyz"}) – coordinate system for returned points
- Returns:
values (ndarray, shape(k,3)) – R, phi, Z or x, y, z coordinates of the curve at specified grid locations in phi.