Eric, I would do it with ogr2ogr. Find attached a small shell script doing that job.
cheers Markus On Tue, Apr 22, 2008 at 2:59 AM, Eric Gaba <[EMAIL PROTECTED]> wrote: > > > Good night. > As newbie I'm creating a map of the Falkland Islands using the NASA's SWBD > shapefiles with GRASS 6.3RC6. After importing the ten tiles into GRASS in > Lat/Lon, I merge them two by two using 'v.overlay' in order to have only one > vector map. Isn't there a better way to merge several pieces of map in one > big in one operation ? Should I use 'v.patch' ? When I try to use this last > I've got an error message box 'couldn't execute "v.patch":invalid argument'. > When I display this merged map, the sea areas are well displayed but I loose > most of the lakes (the ones which weren't filled with any color in the > separate tiles. > When I create a new project in UTM and re-project my map with 'v.proj', the > module tells me that there are many (200) incorrect boundaries, as well as > centroids outside area and areas without centroids, and when I display the > map, several sea areas are white, showing me clearly that something didn't > run fine. Can somebody tell me what is wrong ? Could it have something to do > with the categories as I read in some threads ? > > Thanks for your answers. > Eric > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user > > -- Open Source Geospatial Foundation http://www.osgeo.org/ http://www.grassbook.org/
ogr_shape_merge.sh
Description: Bourne shell script
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