[daip] Re: AIPS related ..

[Dharam Vir Lal]

On Sun, 4 May 2003, Eric Greisen wrote:

> Dharam Vir Lal writes:
>  > 
>  > dear Eric,
>  >  could you please inform me,
>  >  how to determine flux density inside a circular box ?
>  >  say this box is of radius 10 pixels and is centered
>  >  at 1024 1024.
>  >  IMEAN or IMSTAT seems to give some strange numbers;
>  >  including number of pixels, over which it is finding
>  >  the flux density, does not match the actual area.
>  > please reply back.
>  > regards, Dharam.
> 
> I am just back from vacation.  Mail to daip at nrao.edu reaches the full
> group and would prehaps have been answered more quickly.  Neither
> IMSTAT nor IMEAN currently do circular apertures.  They do rectangular 
> ones. TVSTAT will allow you to mark the region you want.
> 
> I suppose I should add circular windows (as in IMAGR) to IMEAN and
> IMSTAT.
> 
> Eric Greisen

Meanwhile, I was told to use IRING by one of you (daip at nrao).
But it would be NICE if the circular windows get added to the
IMEAN and IMSTAT as well.

Also please inform us, once it is incorporated.

With best regards,
Dharam.