[gdal-dev] raster resize

[Giacomo Piva]

  Thank you Even, this solve my problem.

On 10/15/2010 10:49 AM, Even Rouault wrote:
> Selon Giacomo Piva<piva at meeo.it>:
>
> Giacomo,
>
> gdal_translate doesn't do the hard work itself and lets other part of GDAL do
> it. To be more precise, the resizing of the raster in the context of
> gdal_translate is done through the VRT driver (frmts/vrt/vrtsources.cpp). But if
> you want to do it yourself with GDAL API, the best is to use the GDALRasterIO()
> function directly by specifying dimensions of output buffer that are different
> than the dimensions of the source window (this will do nearest neighbour
> resampling).
>
>
>>    Hi all,
>> I would like to resize the dimension of a raster like the gdal_translate
>> tool with "-outsize" option.
>> I took a look into the gdal_translate.cpp source file but I didn't
>> understand how it works, I can't find the resize operation lines.
>> Does someone can help me to understand it?
>>
>> Thank you.
>>
>> --
>> Giacomo
>>
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>> gdal-dev mailing list
>> gdal-dev at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/gdal-dev
>>
>
>
>


-- 
Giacomo Piva

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