Re: [GRASS-user] how to draw line with arrow mark to line top (tip)

Dear Vincent Thank you for useful information and advices ! I didnot know it. I wiil try it! Best Yasuo SHIMADA (japan weather associaton) --- Vincent Bain b...@toraval.frさん： Hello Yasuo, If you just need to display line directions with an arrow head on end-node, you can use the

[GRASS-user] add a centroid in the center of polygon

Dear all, I have a polygon vector, and need to add point in the center of mass of each one. I used v.centroid, but it adds just a centroid, but not in the central position of the polygon area. any hint are welcome! cheers -- Miltinho - m...@rc.unesp.br Laboratório de Ecologia Espacial e