no idea of the problem, only suggestions : * I would try to resample categories (v.category, option=del, then v.category option=add) before processing v.to.db
* Could it be a db driver issue. In this case, you could try e.g. driver sqlite. * test on a subset of your lidar source file *... Hang in there ! Vincent. Le mercredi 23 mars 2011 à 11:35 -0700, TimNorwey a écrit : > > > Your point cloud was imported in 3d vector mode but not yet connected to > > an attribute table. Do this this way : > > v.db.addtable map=lidar columns='cat integer,x double precision,y double > > precision, z double precision' > > > > --> worked fine > > > > > To that point a table is connected to your vector and necessary fields > > were added to the table. So you can upload x,y,z values to the table : > > v.to.db map=lidar type=point option=coor columns=x,y,z > > > > --> Unfortunately, this executed with an error. Only in the first row of the > attribute table the coordinates are added. > It is said that there are 43 categories that have "more elements" and so the > coordinates are not loaded (see below) > > http://osgeo-org.1803224.n2.nabble.com/file/n6201431/errorNew.png > > Thank you very much for your assistance! > > Tim > > > -- > View this message in context: > http://osgeo-org.1803224.n2.nabble.com/How-to-extract-z-coordiante-and-write-it-into-attribute-table-tp6199821p6201431.html > Sent from the Grass - Users mailing list archive at Nabble.com. > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
