Add 'lonlat' option to functions in 'pixelfunc' #362
Merged
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This pull requests addresses #361 by adding an optional
lonlat
argument to allowtheta
andphi
to be provided as longitude and latitude (in degrees) rather than co-latitude and longitude (in radians). Thelonlat
argument was added forang2pix
,pix2ang
,ang2vec
,vec2ang
,get_interp_val
,get_interp_weights
, andget_all_neighbours
. Documentation and unit tests were added, along with the utility functionslonlat2thetaphi
andthetaphi2lonlat
.