[daip] Re: HORUS...

Eric Greisen egreisen at nrao.edu
Mon Jun 13 11:51:58 EDT 2005


Anthony Remijan writes:
 > Hello Eric and Mark,
 > 
 > I have re-calibrated the data and am at the process of once again making 
 > maps.  I can produce and first IF and second IF map of the CH0 data 
 > using imager.  However, I get the following error message when I try to 
 > make a dirty image cube of the LINE data in either the first or second IF:
 > 
 > ??????> IMAGR1: Task IMAGR  (release of 31DEC05) begins
 > ??????> IMAGR1: Create SGRB2(N)    .IMAGR .   1 (UV)  on disk  1  cno   16
 > ??????> IMAGR1: Beginning channel    1 through    1 with  1 IFs
 > ??????> IMAGR1: IMACPY: Copied   767909 visibilities to be imaged
 > ??????> IMAGR1: UVWAIT: begin finding uniform weights
 > ??????> IMAGR1: UVWAIT: Average grid weight  8.000E+01
 > ??????> IMAGR1: UVWAIT: Adding temperance S  1.600E+01
 > ??????> IMAGR1: UVWAIT: begin applying uniform or other weights
 > ??????> IMAGR1: UVWAIT: Sum of weights in  6.849E+04 and out  1.260E+05
 > ??????> IMAGR1: UVWAIT: Noise is increased by a factor 1.188 due to 
 > weighting
 > ??????> IMAGR1: UVWAIT: Average summed weight  8.002E+01 over     767909 vis
 > ??????> IMAGR1: EXISTING IMAGE AXIS  3 SIZE INCOMPATABLE   31    1
 > ??????> IMAGR1: IMGATT: ERROR WITH IMAGE BEAM image for CLEAN
 > ??????> IMAGR1: CLNOPN: ERROR OPENING CLEAN process object
 > ??????> IMAGR1: Deleting UV work file:
 > ??????> IMAGR1: Destroyed  1 extension files of type AN
 > ??????> IMAGR1: Destroyed  1 extension files of type FQ
 > ??????> IMAGR1: Destroyed UV image file: catno=     16 disk= 1
 > ??????> IMAGR1: Purports to die of UNNATURAL causes
 > ??????> IMAGR1: localhost    31DEC05 TST: Cpu=       6.7  Real=      58
 > 
 > Is this a simple fix?
 > 

Yes - you have specified the output file name completely.  And that
file is the continuum image you made before.  But now you are making a
line image and so the map is 31 pixels on the freq axis instead of 1.
Change OUTSEQ to 0 or OUTNAME.

Eric Greisen




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