hats.pixel_math.pixel_margins

Utilities for find the pixels of higher orders that surround a given healpixel.

Functions

get_margin(order, pixel, delta_order)

Get all the pixels at order order+delta_order bordering pixel pixel.

Module Contents

get_margin(order, pixel, delta_order)

Get all the pixels at order order+delta_order bordering pixel pixel.

Parameters:

orderint

the healpix order of pixel.

pixelint

the healpix pixel to find margin pixels of.

delta_orderint

the change in order that we wish to find the margins for.

Returns:

list[int]

one-dimensional numpy array of integers, filled with the healpix pixels at order order+delta_order that border pixel.