Dear users... I have this kind of problem to solve: 1)I have a point map (pointmap) 2)I have a vector river network (rivernetwork) of the main rivers of the region (each segment has a code)
3) I have a DEM (DEM) of the area I would like to assign to the pointmap the code of the firs river segment on which each point of the pointmap hydrologically drain... I need some suggestions on the process to create.... I can create a shell script ... but to do what?? I thougth to use r.drain into a shell script but I have two kind of problems: a) the elevations of the DEM are integer and r.drain stops when the flow arrives to the alluvial plain, also after r.fill.dir is executed more and more time... b) how can I find wich is the first segment of the rivernetwork wich is crossed by the r.drain output??? I hope you can give me some hints!!!!! thank you very much!!!!! Ivan -- Ti prego di cercare di non inviarmi files .doc, .xls, .ppt, .dwg. Preferisco formati liberi. Please try to avoid to send me .doc, .xls, .ppt, .dwg files. I prefer free formats. http://it.wikipedia.org/wiki/Formato_aperto http://en.wikipedia.org/wiki/Open_format Ivan Marchesini Department of Civil and Environmental Engineering University of Perugia Via G. Duranti 93/a 06125 Perugia (Italy) e-mail: [EMAIL PROTECTED] [EMAIL PROTECTED] tel: +39(0)755853760 fax (university): +39(0)755853756 fax (home): +39(0)5782830887 jabber: [EMAIL PROTECTED] _______________________________________________ grassuser mailing list [email protected] http://grass.itc.it/mailman/listinfo/grassuser

