In order to test the success of the installation, one should run the test
script as outlined above (ie, make [-f make_file_name ] test). This proceeds as follows:
moves to test/ subdirectory
runs synfast (with parameter file syn.par) to produce the polarised sky map file test_map.fits and the corresponding alm coefficients test_alm.fits; one can then compare this to map.fits and alm.fits
(supplied)
runs map2gif to make the image test_map.gif; one can then compare this to map.gif (supplied)
runs smoothing (with parameter file smo.par) to make test_sm.fits; compare this to map_sm.fits (supplied)
runs map2gif to make the image test_sm.gif; compare this to map_sm.gif (supplied)
runs ud_grade (with parameter file udg.par) to degrade the map test.fits to
Nside=4. The output is test_LOres.fits; compare this to
map_LOres.fits (supplied)
runs map2gif to make the image test_LOres.gif; compare this to map_LOres.gif (supplied)
runs hotspot (with parameter file hot.par) to produce a map of the local extrema in test_LOres.fits. The outputs are test_ext.fits, test_min.asc and test_max.asc. Compare this to map_ext.fits, min.asc and max.asc (supplied)
runs map2gif to make the image test_ext.gif; compare this to map_ext.gif
(supplied)
runs anafast (with parameter file ana.par) to compute the power spectrum of the sky map test.fits. The output is test_cl.fits; compare this to cl_out.fits (supplied)
runs alteralm (with parameter file alt.par) to modify the alm coefficients read from alm.fits
into test_almdec.fits; compare this to almdec.fits (supplied)
runs median_filter (with parameter file med.par) to produce in test_mf.fits the median
filtered map of map.fits ; the former can be compared to map_mf.fits (supplied).
runs map2gif to make the image test_mf.gif; compare this to map_mf.gif
(supplied)
comes back to main HEALPix directory
The supplied data and parameter files are present in the /Healpix_2.00/test directory, and this is
also where the results files are created.
Note: the input power spectrum (in cl.fits) used to generate the test maps
is currently the WMAP 1yr best fit, in
K)2, and is therefore different from the one
included in previous releases (that can still be found in cl_old.fits).
See http://lambda.gsfc.nasa.gov/
for details on WMAP and its data products.
In order to test the new HEALPix profile set-up one can then attempt
to run any F90 facility from any directory on your system. Similarly,
IDL should be tested by invoking hidl or hidlde.
Eric Hivon
2005-08-31