On Thu, Jul 12, 2012 at 1:51 AM, Michael Romero <[email protected]>wrote:
> I have an SLD that uses the gs:Contour function in a Transformation
> element. When I make a tiled request there are gaps in the contour lines at
> the tile boundaries (see attached screen shot). I can minimize the problem
> by added the *buffer *WMS parameter but this only helps with lower zoom
> levels. When I zoom in on the map the gaps come back because they are now
> bigger than the buffer size. Is there a way to deal with the buffer size
> based on the zoom level?
>
> Also the documentation mentions automatically computing the buffer value
> based on the style. This doesn't seem to be happening and my SLD is not
> using feature attribute values for sizes and does not have external
> graphics. Could this be because this logic does not work when the
> Transformation is involved?
>
> I am using a 2.2-SNAPSHOT and the SLD is attached.
>
This is one of the known issue with the contour algorithm implemented in
jaitools
(another one is inability to deal with flat areas).
Patches welcomed.
Cheers
Andrea
--
Ing. Andrea Aime
GeoSolutions S.A.S.
Tech lead
Via Poggio alle Viti 1187
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Italy
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