Hi,
I had a look at the issue, and it is related to EnvFunction not getting
correctly filled with environment variables when rendering involveves more
threads.
I tried a quick fix transforming the related ThreadLocal in EnvFunction in
a InheritableThreadLocal, but that broke some geotools unit tests, so I
don't think that's an option.
Regards,
Mauro
2016-06-16 16:31 GMT+02:00 Andrea Aime <[email protected]>:
> On Thu, Jun 16, 2016 at 4:16 PM, Victor.Sinceac <
> [email protected]> wrote:
>
>> I think many people uses multiple RasterSymbolyzer rules in one SLD:
>> there are many discussions on the forums about GetLegend results for such
>> an SLD.
>>
>>
>>
>
> Thinking about it... this scenario basically disables the fast raster
> rendering path just like having two layers,
> and you end up working with the generic one, which is the one where
> variables do not work.
> So the fix Mauro is making for the two layers case will also work for this
> case, but mind, but using
> this kind of styles you're setting yourself for limited performance and
> scalability.
>
> It would be possible to recognize that the other rules are not going to
> trigger and keep on using
> the fast raster rendering code, but of course that would require some
> extra work.
> In case you are interested in contributing code improvements I'òò show you
> were that would have to be done:
>
> https://github.com/geoserver/geoserver/blob/master/src/wms/src/main/java/org/geoserver/wms/map/RenderedImageMapOutputFormat.java#L880
>
> Cheers
> Andrea
>
>
>
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