Hi,
I have a style which does different things depending on the map scale. At
certain scales it uses gs.heatmap but that often takes a long time to render
and in some cases will fail.
I have two basic questions really:
1) Is there any way to effectively fine tune an SLD?*
2) Are there any tips that might help me speed things up?
*I pretty much mean is there a way to run a test command against an SLD (tile
request) and then have it report back the timings for each FeatureTypeStyle. So
if an SLD has six FeatureTypeStyles I might run a test and get back FTS1 = d0.0
r0.0, FTS2 = d0.1 r2.5, etc... where d = data read time and r = rendering time.
This would make it easier to debug which bit of a style is inefficient and may
also open up ways to test the effect of load. So for example, the rendering may
increase as the dataset size increases. Splitting out the data (or database)
read from the rendering will then help to identify whether the bottleneck is
the style or the data provider.
Finally, I noticed that there is a setting for the Geometry property name set
to the_geom as default. Would I be correct to assume that should be the field
name of the Geometry within the dataset and doesn't refer to a calculated
result (or parameter)?
Cheers,
Paul
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