Hi all,
We've been trying to get an SLD with the Interpolate function to work on a
Postgres layer on our GeoServer v.2.11.3.
The SLD was very similar to the one in the docs:
http://docs.geoserver.org/stable/en/user/styling/sld/tipstricks/transformation-func.html#id2
However we were getting the following error:
org.geoserver.platform.ServiceException: Rendering process failed
On further inspection it appears that the problem was that the target column (a
numeric column) had some NULL values in. If we excluded the null values the
function worked perfectly.
Our end solution was to create SLD filter functions to catch the NULL values
and style separately.
Just wondering if this behaviour is expected or is a bug?
Many thanks,
Rob
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