[daip] reading wmap in aips

[Eric Greisen]

Farhad Zadeh wrote:
> Hi Eric,
> I am now trying to load the 7-yr WMAP maps and I am having the
> block size difficulty.
> 
> ownes> IMLOD1: Reading from disk file: 
> PWD:wmap_band_iqumap_r9_7yr_W_v4.fits
> townes> IMLOD1: Create IMLOD       .TEMP  .   1 (MA)  on disk  5  cno    1
> townes> IMLOD1: TAPIO: RECORD LENGTH   1475 INCONSISTENT WITH BLOCK SIZE 
> 2880
> townes> IMLOD1: Destroyed  1 extension files of type UK
> townes> IMLOD1: Destroyed  1 extension files of type HI
> townes> IMLOD1: Destroyed MA image file: catno=      1 disk= 5
> townes> IMLOD1: Purports to die of UNNATURAL causes
> townes> IMLOD1: townes 31DEC09 TST: Cpu=      0.1  Real=      1  
> IO=         2
> 
> Any advice would be greatly appreciated.

Look at your file on disk with ls -l and try dividing its length by 
2880.  It should be an integer and the above message suggests that it is 
not.  How it got tnhat way is of course unclear - one way would be an 
ftp where the word "binary" was not issued.  Some ftps will insert 
line-feed characters whenever they see and carriage-return character 
assuming that the whole file is characters which it is not.  This makes 
the file grow in size.  Alternatively, some copy failed or the FITS 
writer is defective.

Eric