[gdal-dev] GSoC GDAL2Tiles: MapTiler.org, Google Maps Projection Web, Source Code

Guillaume Sueur guillaume.sueur at neogeo-online.net
Tue Aug 19 05:29:10 EDT 2008

Klokan Petr Přidal a écrit :
> Hi,
>> I'm talking about 10 to 100 GigaBytes datasets, with which it doesn't
>> seem reasonnable to generate a single merged file !
> In case you use -of VRT it should not be problem. VRT is just an XML
> file telling where is each file placed and what processing is
> necessary - so in fact there is not big logical difference between
> gdal_vrtmerge's VRT and gdaltindex result (one is using XML another
> shape file for storing the same kind of link to raster data).

ok, sounds interesting

> In case you anyway have WMS server for raster data, you can use
> TileCache.org or GeoWebCache.org to cache the tiles.
> Advantage of GDAL2Tiles over TileCache is practically zero
> configuration of any server software. The result from the user point
> of view is almost equal.

that's what I use for now. Both products are quite equivalent. Tell me
if I'm wrong when I imagine that :
gdal2tiles has a fixed grid and zoom levels for tiles, based on google ones
gdal2tiles must populate the whole cache at once.



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