Hi Hamish, Le dimanche 03 mars 2013 à 13:22 -0800, Hamish a écrit : > Vincent wrote: > > maybe among you some people deplore the absence of easy > > solution in ps.map for line-end symbology, e.g. adding arrow > > heads to lines.
my poor knowledge of C dissuaded me to investigate in this way... > another self-hack possibility is to extract the start/end nodes > to a points file, then, maybe with the help of v.generalize, > find the trend direction (azimuth) at those two ends, and use > vpoints or point instruction there with appropriate rotation > angle. in a way (except recourse to v.generalize), this is what is performed in my stack of commands. > You'll probably need to make your own symbol, but that's > pretty easy. > Here again it points to the power of ps.map. With a couple of postscript lines you can do nearly whatever you want. Yours, Vincent _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
