[daip] Re: ds9 and aips

[Farhad Zadeh]

Thanks for the response. I somehow knew that it would not work
but I now know why.
Farhad

On Fri, 9 Sep 2005, Eric Greisen wrote:

> Farhad Zadeh writes:
>
> > More and more people are using ds9 tool to look at
> > pictures, though aips display is still better for
> > making publishable quality images with coordinates.
> > I was wondering if there is a way that one could  upload an
> > aips image inside aips into ds9 from outside aips.
> > This would save me time to write an aips file into the
> > disk every-time
> > I want to use ds9. I am not sure how hard it would be to do this.
> > I assume it is harder to launch ds9 from inside aips but would work
> > a lot better if you know what I mean. It is a shame that
> > so many images I have inside aips have to be written into a
> > fits disk before I can use ds9 which is quite versatile for
> > X-ray, radio comparison.
>
> An interesting thought, but almost impossible to implement.  AIPS uses
> an internal binary format for images that is similar to FITS logically
> but not similar in binary form.  I do not know what ds9 uses, but
> would not be surprised if it reads FITS files natively (with CFITSIO
> probably).  Therefore it needs us to turn the AIPS image into FITS format
> anyway.  AIPS currently does not depend on any external packages and
> we will probably keep it that way.  We may start using WCSLIB but will
> provide our own copy of it with aips if we do.
>
> Eric Greisen
>
>