[Qgis-user] [RESOLU] GDAL : extracting a part of a raster

[denisq at free.fr]

Hi Micha,

Well, I do this (projection Lambert II, south of France)...
gdal_translate -projwin 813320.0 1930956.0 858796.0 1907053.0 -of GTiff "ASTGTM2_N44E005/ASTGTM2_N44E005_dem_L2e.tif" "DEM_Ouveze.tif"

...and it works.

Thanks.

----- Mail original -----
De: "Micha Silver" <micha at arava.co.il>
À: denisq at free.fr
Cc: Qgis-user at lists.osgeo.org
Envoyé: Mardi 27 Mars 2012 12:39:38
Objet: Re: [Qgis-user] GDAL : extracting a part of a raster

On 03/27/2012 12:19 PM, denisq at free.fr wrote: 

Hi,

I tried to cut a part of a raster (from ASTER G-DEM) in GeoTiff format, to get a DEM fitting my project. I tried to cut this raster by different means, i.e : 
- setting the coordinates of the area of interest -> I get "Computed -srcwin falls outside raster size of 4000x4000.", 
The -srcwin parameter refers to pixels in the image. Try the -projwin parameter instead with "real world" coordinates. 



- using a layer as a mask (with a couple of errors pop up windows regarding Python issues), I get a "wrong parameters"

Thanks for your help 

QGIS 1.7.3 / GDAL 1.8.1

Denis
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