antialias lines

[Stephen Woodbridge]

thomas bonfort wrote:
> another solution is to wait a few days for 5.0 to be released, which
> supports antialiasing natively using the agg rendering backend.
> 
> cartoline symbols are likely to be deprecated in a future release by
> the way, as all of their functionality (and more) is supported by AGG.
> 
> tb

And AGG is much faster rendering than cartoline.

-Steve W