Hi List
Here's what I'm trying to do: I have a PostGIS view with hydrological runoff
measurements on four gauging stations. The view is structured as follows:
time (timestamp) | runoff (double) | the_geom (geometry)
My goal is to generate an animated KML file out of these data, which would show
the changes in runoff over a given period (for test purposes, the data I'm
using at the moment covers only one day). I already followed the instructions
in the documentation about the visualization of time series
(http://docs.geoserver.org/latest/en/user/googleearth/tutorials/time/time.html)
and I've also written an attribute-based SLD style that modifies the size of my
symbols in function of the measured value.
When I run the generated KML file on Google Earth (KMZ won't work here btw), I
get indeed a time slider covering the given period and I can see the symbols
for my stations. However, the symbols are only visible at the beginning and the
end of the animation, but they disappear in between. I first thought that the
KML file only contained two tuples for each station, but after checking the
code I can confirm that all the tuples of the PostGIS view are listed in it.
I'm not very familiar with KML and Google Earth, so does anyone have a clue
about why this is happening? Or can anyone tell me if I'm on the right track?
Thanks a lot!
BTW: I'm using Geoserver 2.1 RC1
Freundliche Grüsse
Matthias Speich
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BKW FMB Energie AG
Viktoriaplatz 2
3000 Bern 25
Tel. +41 31 330 53 45
[email protected]
www.bkw-fmb.ch
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