[gdal-dev] Re: How to divide a raster layer into a set of tiles?

Jukka Rahkonen jukka.rahkonen at mmmtike.fi
Mon Mar 22 15:29:50 EDT 2010

Gilles Bassière <gbassiere <at> gmail.com> writes:

> Hi,
> I'm trying to reproject an aerial imagery dataset with GDAL.
> The initial dataset is composed of ECW tiles in EPSG:27572 and my goal
> is to compute a new set set of ECW tiles projected in EPSG:2154.

> My current workflow consists in the following steps:
> 1) create a single GDAL layer from all initial tiles with gdalbuildvrt
> 2) reproject this virtual raster with gdalwarp (outputs a new .vrt)

I would perhaps calculate the extents I want the output tiles to have and run
gdalwarp for each tile with -te option.

-Jukka Rahkonen-

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