Thanks Ian, this morning I tried using the <ColorMap> element in my sld
and that is working for me. With the <ColorMap> element, you can specify a
color for the “bottom” of the dataset, and another to specify a color for
the “top” of the dataset. This is working because I choose '0' as the
bottom and '300' for the top, so it is excluding my noData values which are
something like -3.4e+38. I haven't tested it yet on a non-panchromatic
raster.
On Thu, Apr 28, 2016 at 10:36 AM, Ian Turton <[email protected]> wrote:
> They are not implemented for 2.7.x (the give away is when you look in the
> 2,7 manual
> http://docs.geoserver.org/2.7.x/en/user/styling/sld-reference/rastersymbolizer.html
> )
>
> Ian
>
> On 28 April 2016 at 14:41, Thomas Gertin <[email protected]> wrote:
>
>> When I upload an raster with high nodata values, the way the raster is
>> displayed makes it so the main area is white and the borders are black.
>> Does anybody know how to fix this?
>>
>> I am using Geoserver 2.7.4.
>>
>> I looked into the SLDs a little bit. Normalize or histogram is not fixing
>> it. In the 2.8 Users manual for rastersymbolizer
>> <http://docs.geoserver.org/2.8.x/en/user/styling/sld-reference/rastersymbolizer.html>there
>> is more text that refer to supported algorithms such as
>> *StretchToMinimumMaximum* , this appears that it might work, but when I
>> try to use it does not validate my sld. I am thinking these algorithms are
>> not implemented in 2.7.x
>>
>> Thanks,
>>
>> Tom G
>>
>>
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>
>
> --
> Ian Turton
>
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