[daip] Fwd: Re: Multiscale clean

[Eric Greisen]

Lawrence Rudnick wrote:
>   Eric -  and some additional questions in my mind...   if you do, as 
> Frazer says, restore all components to all maps at all scales, I don't 
> understand how this works.   When/how is the convolution done of the 
> different scale clean components before they are restored? [You can't 
> for example, convolve a large-scale clean component  for the small-scale 
> map, but you could just add it in with its appropriate scale?].   

When components from facet I are added to facet J the component widths 
used are those of the fatter (larger product of BMAJ*BMIN) clean beam 
and the amplitude is adjusted down by the factor 
BMAJ(J)*BMIN(J)/BMAJ(f)*BMIN(f)
where f = I or J - the fatter one.

There is not some addition convolution...

Eric