input_map*
Arguments appearing in italic are optional.call input_map*( filename, map, npixtot, nmaps[, fmissval, header, units, extno] )
Reads into map the content of the FITS file 'map.fits'. If there are missing pixels in the input file (ie, having value NaN (Not of Number),Infinity or matching the FITS keyword BAD_DATA) they will take on output the value provided in optional fmissval (here 0, which also is its default value).
Version 3.30, 2015-10-08