Thorsten

> 
> > (Even if this works fine, please do not commit yet, I am not 100% sure
> > that I didn't create an instability somewhere).
> 
> Turns out I broke at least the visibility interpolation - to restore it,
> uncomment line 726 in Nasal/local_weather/local_weather.nas
> 
> if (vis > 0.0) {setprop(lwi~"visibility-m",vis);} # a redundancy check
> 
> (there's a better way to deal with this, but for the time being that seems
to
> solve the problem).
> 

I have tested using only the test tile so far. The time spent in events is
dramatically reduced to around 70ms vice 210ms. There remains some odd
cyclical frames coming in, but the results are broadly in line with Basic
Weather. The details are here:

http://dl.dropbox.com/u/57645542/Adv-Weather-data.png

I tried some airborne tests using the test tile, and the visual results are
satisfactory, again comparable to Basic Weather. The spikes in framerate can
be measured, but are not too visually intrusive. Like you, I have been
unable to identify the source so far.

I extended the test by setting all settimer loops to 0.0. There was little
measurable change in either frame rate or stability.

I'm now going to test with more representative weather.

Vivian






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