[Gdal-dev] create 256x256 tiles for google maps

Markus Neteler neteler at itc.it
Fri Apr 6 03:54:39 EDT 2007


On Thu, Apr 05, 2007 at 09:43:57PM +0200, Mateusz Loskot wrote:
> Paul Van Deusen napisa?(a):
> > I am using imagemagick to crop a geotiff file into 256x256 gif files to
> > serve as tiles for google maps.
> > However, it starts to choke once the tiff file gets larger than  1/2
> > GB.   Can gdal_translate take
> > a tif file and split it into individual tile files of a specific size?
> 
> Paul,
> 
> AFAIK, GDAL won't help here out of the box.
> Users usually take gdal_translate.cpp program and customize it to do this
> job.
> Here you can find such utility called gdalsplit and posted to the list a
> longer while ago:
> 
> http://lists.maptools.org/pipermail/gdal-dev/2004-September/004135.html
> 
> May be it will work for you.

If anyone happens to haave an updated version of "gdalsplit"
I would be interested.
Maybe some mechanism to manage user contributions would be
good (like the GRASS Addons repository).

Markus

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ITC -> dall'1 marzo 2007 Fondazione Bruno Kessler
ITC -> since 1 March 2007 Fondazione Bruno Kessler
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