pix2xy

Find pixel cartesian face coordinates

Contents

Syntax

xy = pix2xy(nSide,nPix)

Input Arguments

nSide     HEALPix resolution parameter
nPix      nested indexing pixel numbers to find coordinates of

Return Arguments

xy        size(nPix) cell array of pixel coordinates on face

Example

nPix = reshape(1:24,[4,3,2]);
xy = pix2xy(2,nPix)
xy(:,:,1) = 

    [2x1 double]    [2x1 double]    [2x1 double]
    [2x1 double]    [2x1 double]    [2x1 double]
    [2x1 double]    [2x1 double]    [2x1 double]
    [2x1 double]    [2x1 double]    [2x1 double]


xy(:,:,2) = 

    [2x1 double]    [2x1 double]    [2x1 double]
    [2x1 double]    [2x1 double]    [2x1 double]
    [2x1 double]    [2x1 double]    [2x1 double]
    [2x1 double]    [2x1 double]    [2x1 double]

Copyright 2010-2011 Lee Samuel Finn. Terms of Use.