[mapserver-users] Raster Display Performance

[Siki Zoltan]

Dear Zsolt,

You sould make pyramid and tiles.
Divide the original images into smaller pieces. You can use 
gdal_translate. (I usually use approx 10 MB or smaller image size)
Use gdaladdo to create pyramid.

Regards
Zoltan

On Sun, 7 Mar 2010, Medve Zsolt wrote:

> Hy all!
>
> I would like to ask for a help. I have a dataset. 30 pieces of Tif file, 
> aproximately 240 MB each.
> I make a layer in the map file:
>
>        LAYER
>            NAME "something"
>            STATUS ON
>            TILEINDEX "sh.shp"
>            TILEITEM "Location"
>            TYPE RASTER
>
>            METADATA
>                "DESCRIPTION"   "Something too"
>                "ows_title"     "dem"
>            END
>        END
>
> I use this in the pmapper framework.(But its doing the same thing in ka-map 
> either) But its apeaars very slowly and when i panning its reload all and its 
> very slowly too.. i would like to tune up the performance somwhow.
> I am looking the gdaladdo program, because mapserver documentation suggest 
> it. But when i tried the given examples (http://www.gdal.org/gdaladdo.html) 
> it wont work, or i dont know what to see, Its just do nothing i think..
>
> Can anybody help me on this? Or any method to make a better performance? 
> please!
>
> thanks,
> Zsolt
>
>
>
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