Thanks - this subtlety is not obvious in the documentation (to me) - especially since the parameter to Recode is a Literal. So the next question is, is there a way to convert the Recode output into a Literal. I have tried wrapping the entire function invocation in a Literal block (doesn't work). Would it be possible to add a 'parseLiteral' function that converted data into the needed format, or is there already a way to do this?

On 2/27/2013 11:01 PM, Andrea Aime wrote:
On Thu, Feb 28, 2013 at 3:50 AM, Tom S <[email protected] <mailto:[email protected]>> wrote:

    I am seeing an odd behavior in GeoServer V2.2.2 with Style processing.


stroke-dasharray only works with literals, there is no support for freeform expressions. There is some interest in making it allow freeform expressions, but the change is
deep and can be done only on the development series:
https://jira.codehaus.org/browse/GEOT-3776
Right now I'm not clear if Tobias is trying to make a quick hack that is not likely be accepted by the community, or the full solution that takes time (but that would be accepted).

Cheers
Andrea


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