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
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ogr_shape_merge.sh
Description: Bourne shell script
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