Greg Koerper writes:

> 
> I'm looking for advice on how to selectively display selected areas of vector
> layers.  I tried using v.extract (a contrib, mind you) with a list of desired
> areas to include in a new vector map, but it dumped core.  I tried using
> v.reclass, but the remaining areas remained part of the output vector, and
> were simply untagged.  
>

Both programs have worked fine on my system for the past two years, and 
the dissolve common boundaries option works as well. You didn't 
accidentally forget something obvious like running v.support on the 
vector map?

> I also was unable to find an approach that would use the facilities of p.map
> or ps.map.

Start programming, I would say, because these kind of utilities have been 
missing too long. There is a program called d.vect.cat in src.contrib/CAST
that does that kind of trick with your screen display.

Philip Verhagen

-- 


			S t i c h t i n g  R A A P


		Regionaal Archeologisch Archiverings Projekt

adress: 	Plantage Muidergracht 14
	        1018 TV Amsterdam
	       	THE NETHERLANDS
phone:          (31) 20 525 5835
fax:		(31) 20 525 5834
e-mail:		motte@hacktic.nl

