[daip] FRING ignoring input models?

[Eric Greisen]

Andrew Biggs wrote:
> Hi there. I'm trying to run FRING using an input model for the source made
> with IMAGR. FRING appears to be ignoring this, no matter what inputs I
> use. I've tried to provoke errors by entering IN2SEQ, INVER, NMAP, etc.,
> that don't actually make sense, but that doesn't have any effect. If I
> look in the history file, the map file is there, but NMAP is given as zero
> - maybe that is significant. My inputs seem completely standard:
> 
> AIPS 1: IN2NAME    'J0132+4325'               Cleaned map name (name)
> AIPS 1: IN2CLASS   'ICL001'                   Cleaned map name (class)
> AIPS 1: IN2SEQ        4                       Cleaned map name (seq. #)
> AIPS 1: IN2DISK       1                       Cleaned map disk unit #
> AIPS 1: INVERS        0                    CC file version #.
> AIPS 1: NCOMP      *all 0                  # comps to use for model.
> AIPS 1:                                    1 value per field
> AIPS 1: FLUX          0                    Lowest CC component used.
> AIPS 1: NMAPS         1                    No. Clean map files
> AIPS 1: CMETHOD    ' '                     Modeling method:
> AIPS 1:                                    'DFT','GRID','    '
> AIPS 1: CMODEL     ' '                     Model type: 'COMP','IMAG'
> AIPS 1:                                    'SUBI' (see HELP re images)
> AIPS 1: SMODEL     *all 0                  Source model, 1=flux,2=x,3=y
> AIPS 1:                                    See HELP SMODEL for models.
> AIPS 1:
> 
> The map was selected using GET2N and does definitely exist. CALIB is
> working fine in this regard.

Is SMODEL not zero?  Looking at the history writing routine I see an 
error.  It writes the IN2NAME etc when SMODEL(1) is not zero rather than 
when it is zero.  I am fixing that.  It seems that it sets NMAPS to a 
minimum of 1 in the task and I do not see how it could become zero.

Eric Greisen