healpy.projector.GnomonicProj.ij2xy¶
- GnomonicProj.ij2xy(i=None, j=None)¶
From image array indices to position in projection plane (Gnomonic).
- Input:
- if i and j are None, generate arrays of i and j as input
- i : if j is None, i[0], j[1] define array indices in Gnomonic image.
- j : if defined, i,j define array indices in image.
- projinfo : additional projection information.
- Return:
- x,y : position in projection plane.