Thankyou all for the responses...
I have evidentet these techniques:
- Slippy Maps (that is integreted in MapServer but i will show how it works)
- Zooming layering (show only some maps in some zooming levels)
- Tile Index ( i love it)
- Database optimisation (i have an experience with thousands ge
http://mapserver.org/optimization/index.html
http://mapserver.org/input/raster.html#raster-display-performance-tips
On 02/16/2013 06:35 PM, yllka baci wrote:
> Hello Pmapper users
> I'm going to write a paper on techniques that speed up data visualisation
> on Web GIS applications.
> Can any
Thanks!
Le 18/02/2013 11:19, Chris forum a écrit :
>>> Put the generated/temp files from Mapserver on a RAM disk (IMAGEPATH
>>> parameter of the mapfile).
>> Have you got doc for this point please?
> Here under how it is set up on my Debian server, for a 8GB directory on
> RAM:
>
> mkdir /data/dis
>> Put the generated/temp files from Mapserver on a RAM disk (IMAGEPATH
>> parameter of the mapfile).
> Have you got doc for this point please?
Here under how it is set up on my Debian server, for a 8GB directory on
RAM:
mkdir /data/disk_on_ram/
mount -o size=8G -t tmpfs tmpfs /data/disk_on_ram/
Le 18/02/2013 10:15, Chris forum a écrit :
> Hi,
>
> Yllka> Interesting topic! If possible, don't forget to show us your final
> results!
>
> Thomas> Thanx, very interesting tip! Should try it asap!
> (On your example, beware on the UNIQUE typo ; )
Oops!
>
> With a Shapefile, using an index fil
Hi,
Yllka> Interesting topic! If possible, don't forget to show us your final
results!
Thomas> Thanx, very interesting tip! Should try it asap!
(On your example, beware on the UNIQUE typo ; )
With a Shapefile, using an index file (QIX) speeds up data visualisation
for sure.
Tiling to speed up ac
Hi,
I've made a hack in pmapper few years ago. This one allows you to
specify 2 data sources for each layer:
LAYER
.
DATA "the_geom FROM your_heavy_view USING UNQIUE gid"
METADATA
PM_RESULT_DATASUBSTITION "the_geom FROM your_geo_table USING
UNQIUE gid"
...
