proportionate lines

[Moritz Lennert]

Radim Blazek <Radim.Blazek at dhv.cz> wrote:
> Moritz Lennert wrote:
> > 
> > Hello !
> > 
> > Is it possible to create lines whose width is proportionate to a
> given
> > value ? Not only of different widths but really proportionate ?
> > 
> > I am trying to create maps of human migrations and would like to
> > symbolize the flows with proportionate lines.
> > 
> > Moritz
> 
> Yes, you can use ps.map.new with vector options cwidth,
> coffset and ref. See man page.
> 
> Radim
Thanks, works great !

I only have one problem: in the .ps output file there are lines across
the entire map that are not in the original vector file. Any idea of
what could be the cause ?

Moritz