Hi Manog.
Unfortunately GetLegendGraphic doesn't support dynamic symbolizers in
ExternalGraphic hrefs.
The reason is quite simple: the legend builder doesn't have access to the
Feature data, so it wouldn't be possible for it to get a concrete value for
Ikon attribute to build an existing url for the image.
Your alternative SLD allows the legend to be drawn, because you are using
static urls.
Maybe for dynamic symbolizers we should support pre-rendered images, as
asked in http://jira.codehaus.org/browse/GEOS-3747.
Mauro Bartolomeoli
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--
==
Our support, Your Success! Visit http://opensdi.geo-solutions.it for more
information.
==
Dott. Mauro Bartolomeoli
@mauro_bart
Senior Software Engineer
GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
http://www.geo-solutions.it
http://twitter.com/geosolutions_it
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