Yes. In your CLASS for your line layer use SYMBOL "circle" which allows you to set the SIZE to whatever you want. CLASS COLOR 255 0 0 # to get thicker lines SYMBOL "circle" SIZE 2 END # class On Wed, 2003-07-02 at 12:29, Petur Kirke wrote: > Is it possible to set the width (thickness) of a line in the map file ? > and how do i do it ?