In honor of Ed's imminent retirement from the Mapserver Support Group, I've put together
"Ed's List for the Best Raster Performance":
#1. Pyramid the data
- use MAXSCALE and MINSCALE in the LAYER object.
#2. Tile the data (and merge your upper levels of the pyramid for fewer files).
- see the TILEINDEX object
#3. Don't compress your data
- avoid jpg, ecw, and mrsid formats.
#4. Don't re-project your data on-the-fly.
#5. Get the fastest disks you can afford.
(Ed, feel free to edit...)
Brent Fraser
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