[Mapserver-users] Dataset with 120'000 tiles
Paul Ramsey
pramsey at refractions.net
Wed Jan 14 13:15:29 PST 2004
Probably the folks at Topozone have.
First, make sure you have a shapeindex file that provides a quick way
for mapserver to figure out what tiles are useful for a particular map.
Make sure you build an index file (.qix) for that shapeindex file.
Finally, formats like TIFF are way faster than formats like JPG/PNG/GIF.
This is because TIFF can be partially accessed (give me the top 20% of
the file) way faster than JPEG, which has to be completely decompressed
before it can be accessed.
Paul
Flavio Hendry wrote:
> hi list
>
> anybody worked with such a dataset (120'000 raster tiles) ?
> are there any performance issues ?
>
> thx.
>
> Mit freundlichem Gruss / Best Regards
> Flavio Hendry
>
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| Refractions Research
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