[alma-config] Re: UV sampling metric

[Mark Holdaway]

> 
> OK maybe >5% of ALMA images will be dirty images, and its worth 
> thinking about this case, but then again I not so sure so  many will
> be made without deconvolution. 
> The problem is if you optimise your sidelobe to have maximum of 3%-5%,
> so you might think you can make 20:1 or 30:1 dynamic range dirty maps, but 
> this is just the response of a single point, once you comvolve with 
> many similar brightness points or have a resolved structure the
> achieveable dynamic range gets much less. 

To address an aspect of John's point here, could Leonia's algorithm
be adapted to minimize the sidelobes on many scales simultaneously
(ie, point responce sidelobe and a range of Gaussian sizes as
well)?

	-M