[gdal-dev] Combining multiple rasters using GDAL Warp API
even.rouault at spatialys.com
Mon Jul 25 10:47:33 PDT 2016
> VRT looks a possibility. The VRT format tutorial shows how to do this
If you use GDAL 2.1, you can also use GDALBuildVRT() :
Or GDALWarp() :
Regarding the low level warp API, the multi input dataset support is basically
done by calling it as many times as you have source datasets.
> On 25 July 2016 at 16:28, Daniele Romagnoli <
> daniele.romagnoli at geo-solutions.it> wrote:
> > Hi Damian,
> > I'm probably going off-topic but, did you consider setting up an
> > intermediate VRT built on top of your sources?
> > Cheers,
> > Daniele
> > On Mon, Jul 25, 2016 at 4:53 PM, Damian Dixon <damian.dixon at gmail.com>
> > wrote:
> >> Hi,
> >> I would like to combine multiple adjacent or overlapping rasters.
> >> They will all be in the same projection, image format and the output
> >> projection will be the same as the source data.
> >> I believe that this is possible using the command line utility gdalwarp
> >> as it can take multiple source files.
> >> I am wondering how to do this through the GDAL Warp API as you can only
> >> specify a single source file:
> >> psWarpOptions->hSrcDS
> >> <http://www.gdal.org/structGDALWarpOptions.html#a65f68e1cf7ca641c5d0a9376
> >> 2d0416d5> = hSrcDS;
> >> according to the tutorial.
> >> Any hints or suggestions on how to pass multiple files to the Warp API
> >> would be very helpful.
> >> Thanks
> >> Damian
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