python - Gnomonic projection into 2-dim ndarray with healpy -
gnomview allows visualize gnomonic projection of spherical map. how can store projection in 2-dimensional numpy.ndarray? what's healpy's equivalent of map_out
option of idl's gnomview?
this not supported in healpy
, implemented it, can check development version of healpy
github repository, then:
in [14]: hp.gnomview(np.arange(12), return_projected_map=true) out[14]: masked_array(data = [[ 4. 4. 4. ..., 4. 4. 4.] [ 4. 4. 4. ..., 4. 4. 4.] [ 4. 4. 4. ..., 4. 4. 4.] ..., [ 4. 4. 4. ..., 4. 4. 4.] [ 4. 4. 4. ..., 4. 4. 4.] [ 4. 4. 4. ..., 4. 4. 4.]], mask = false, fill_value = -1.6375e+30)
the returned projected map 2d masked numpy array. available in next healpy
version.
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