antialiasing line features..

[Jeff de La Beaujardiere]

thomas bonfort wrote:
> antialias online works for lines 1 pixel thick
> however you can use the cartoline symbol, which is antialiased
> whatever the thickness.

I tried this out because I have been asked for thick, antialiased
country boundaries. Unfortunately, the performance seems very poor.
With ANTIALIAS FALSE, I get my map back in <1 sec.
With TRUE, it takes 30-40sec to generate my test-case map.

-Jeff DLB