R: Re: [GRASS-user] Input raster map is outside current region
micha at arava.co.il
Thu Mar 11 08:47:32 EST 2010
On 03/11/2010 03:34 PM, ciccpaol at libero.it wrote:
> Hi ,
> thanks Micha for your help! I tried the steps you suggested me, but they didnt
> work properly; after trying that, i found an article about that
> that is more or less the same you suggested me.
> Working those steps, I finally got the right region extent. In fact when I'm
> inside the target location and I'm displaying the reprojected raster map, the
> coordinates values shown on the bottom of the page are right, but I can't see
> the map! The page is all blank.
I guess it's time to ask for more information: Can you post the outputs
for *both locations* of:
v.info -g <src vector region as below>
r.info -g <original raster>
v.info -g <projected vector region>
r.info -g <final projected raster which doesn't appear>
>> What you do here is:
>> - go back to the source location and run
>> v.in.region out=src_region
>> This creates a vector polygon of the bounds of the current region.
>> - now switch to the new, target region and do
>> v.proj location=<src_location> mapset=<src_mapset> in=src_region
>> to reproject that rectangular polygon to the target region . Next run
>> g.region vect=tar_region
>> And the region in your target location should match where the raster
>> wants to be.
>> - Now try your r.proj comand
>> Micha Silver
>> Arava Development Co. +972-52-3665918
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