healpy.dist2holes

healpy.dist2holes(m, maxdist=3.141592653589793)

Computes the distance (in radians) from pixel center to center of closest invalid pixel up to a maximal distance.

Parameters:
marray-like, shape (Npix,)

The input mask.

maxdistfloat

The maximal distance in radians. Pixel farther from this distance are not taken into account (default: pi).

Returns:
distancesout map of distances (in radians) in RING scheme as numpy arrays