This is the command HPXcvt that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
HPXcvt - Reorganise HEALPix data into a 2-D FITS image
SYNOPSIS
HPXcvt [-C<col>] [-c<sys>] [-n|-r] [-q<quad>] [-x<n|s>]
DESCRIPTION
[<infile> [<outfile>]]
HPXcvt reorganises HEALPix data into a 2-D FITS image with HPX coordinate system. The
input data may be stored in a FITS file as a primary image or image extension, or as a
binary table extension. Both NESTED and RING pixel indices are supported. The input and
output files may be omitted or specified as "-" to indicate stdin and stdout respectively.
OPTIONS
-C<col>
Binary table column number from which to read data, default 1 (n.b. WMAP exclusion
masks are in column 2).
-c<sys>
Specify the coordinate system to be used to label the output map if the COORDSYS
keyword is absent from the input FITS header. Recognised values are g (galactic),
e (ecliptic) or q (equatorial).
-n|-r Assume n(ested) or r(ing) organization if the ORDERING keyword is absent from the
input FITS header.
-q<quad>
Recentre longitude at quad(mod 4) x 90 degrees, where quad(rant) is an integer.
-x<n|s>
Use a north-polar or south-polar layout.
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