healpix_convolution.angular_distances#
- healpix_convolution.angular_distances(neighbours, *, grid_info, axis=None)#
compute the angular great-circle distances between neighbours
- Parameters:
neighbours (array-like) – The input cell ids.
grid_info (
xdggs.HealpixInfo) – The grid parameters.axis (
int, optional) – The axis used for the neighbours. If not given, assume the last dimension.
- Returns:
distances (array-like) – The great-circle distances in radians.