[gdal-dev] Reprojecting a tiled dataset

[Frank Warmerdam]

Stephen Woodbridge wrote:
> Hi Frank,
> 
> Does this generate one 60GB output file or can it generate a new 
> gdalwarp set of tiles with .vrt as output? This would be very cool!

Steve,

No, it produces one big internally tiled GeoTIFF file.

> So what would the gdalwarp command look like? something like:
> 
> gdalwarp -t_srs EPSG:900913 -co TILED=YES -of GTiff -srcnodata 0 
> -dstnodata 0 input.vrt outdir/output.vrt

Yes, something like that, though the nodata stuff likely isn't needed
if the source files are abutting tiles.  also, the output is just a .tif.

Best regards,
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