Hugo,
Instead of a Tiled WMS, can you use a cached layer (e.g. TMS or WMTS) instead? 
A typical tiling engine such as GeoWebCache allow you to create a larger 
meta-tile that is cut into 256*256 pixel tiles afterwards. This reduces the 
number of labels not being placed. They're still cut off at the tile edge, but 
continue on the neighbouring tile!
HTH,
Edward

Date: Fri, 27 Sep 2013 11:28:38 +0100
From: [email protected]
To: [email protected]
Subject: [Geoserver-users] SLD Point Labelling

Hello all,
This is rather a simple and dumb question :) I've been playing a lot with SLD 
but one thing i haven't been able to solve yet is the correct display of labels 
(in points) in a tiled WMS request. I think this is related with the tile - if 
the label crosses the margin of the tile then it is not displayed. So, in my 
case, some points are showing labels and some others are not. Is there any way 
to force label drawing? Something that would place the label in the opposite 
side if label is crossing the tile margin?

Thanks in advance.Cheers,
-- 
Hugo Martins



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