Referencing the reference time in an SLD

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Referencing the reference time in an SLD

deveyre

Is there a way to get the reference time in a time-enabled layer to do math with inside an SLD style?


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Re: Referencing the reference time in an SLD

geowolf
On Fri, Dec 2, 2016 at 5:21 PM, Devin Eyre <[hidden email]> wrote:

Is there a way to get the reference time in a time-enabled layer to do math with inside an SLD style?


Nope, there is no way at the moment. Could be injected as an environment variable though, just like the bbox and some
other information is already injected:

The annoying bit I see is that the variables have to be valid for the whole GetMap, and one could contain
a mix non time enabled and time enabled layers, and those that are enabled have different reference values.
We'd have to switch the value of the variable when the layer being rendered changes, but the rendering subsystem
does not provide this kind of information... and it's also based on two different threads, which complicates matters
a bit more.

Does not sound trivial... unless one only focuses on simpler case, like only one layer, or all time enabled layers
having the same reference.

Cheers
Andrea


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