On 6/26/07, Olivier Ertz <[EMAIL PROTECTED]> wrote:
Dear Geotools addicts,
in the context of a project dedicated to web thematic mapping
(http://geosysin.iict.ch/trac/wiki/GOWS), we are leading some
experimentations with SLD. One of these concerns the configuration of a
SLD for the creation of a thematic map with proportionnal circles. We
use Geoserver to run our tests (while Geoserver uses Geotools, therefore
I send this post here).
So, here is the SLD :
http://geosysin.iict.ch/svn/gows/sld/symb_prop_OUI_EEE_92_ONU_02.sld
There a screenshot of the map result :
http://geosysin.iict.ch/svn/gows/overlapping_stack_rendering.png
We're faced to a common problem of rendering engines when drawing
location-based graphical objects (like circles) upon a map. One way to
solve this is to force to manage centroids in a separate layer of
points. Another way concerns the rendering engine itself, by doing the
rendering of all features (yellow polygons in the example), then all
objects (all orange circles) and finaly merging all.
What are your opinions about that ?
This looks like you have found a bug in the renderer. Each rule should be
completely rendered before the next one is started. My initial though was
that you had two symbolizers in one rule which would give this output but
you don't so I'm going for bug.
I'm not sure which renderer geoserver uses so I'm not sure how to proceed
with reporting this, Andrea do you know?
Ian
--
Ian Turton
http://www.geotools.org
http://pennspace.blogspot.com/
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