[GRASS-user] Input raster map is outside current region

Micha Silver micha at arava.co.il
Thu Mar 11 07:15:25 EST 2010

On 03/11/2010 11:32 AM, ciccpaol at libero.it wrote:
> Hi everybody,
> I imported a raster map in an UTM_ED50_32N location; i want to reproject it to
> a target location WGS84;
> once i'm in the target location i use r.proj command, what i get is:
> Input Projection Parameters:  +proj=utm +no_defs +zone=32 +a=6378388 +rf=297
> +towgs84=-87.000,-98.000,-121.000
> Input Unit Factor: 1
> Output Projection Parameters:  +proj=longlat +no_defs +a=6378137 +rf=298.
> 257223563 +towgs84=0.000,0.000,0.000
> Output Unit Factor: 1
> Input raster map is outside current region
> How can I fix it?
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

> I tried setting a new region in the target location ,but doesn't work.
> Thanks
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Micha Silver
Arava Development Co.  +972-52-3665918

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