Good catch, Andrea. A couple more comments below:
On Sun, Jan 27, 2013 at 2:11 AM, Andrea Aime
<[email protected]>wrote:
>
> I've noticed the results vary wildly by changing the scale, which is a
> weighting
> factor used as follows (so, not linear, but exponential on the ratio
> between
> the distance and the scale)
>
Yes, choosing the scale value for Barnes seems to be a bit of a guessing
game. I wasn't able to find any references which gave a good strategy for
it.
> One final thing I've noticed is that the transformation does not seem to
> be
> working at all in tiled mode, in the 3x3 metatile blocks used by GeoServer
> only one of the tiles is filled, the others are black, despite the generous
> query buffer used in the SLD.
>
> Yes, tiled mode doesn't currently work (well? At all?) for this RT. This
may be partly due to a bug in the rendering stack which is not providing
appropriate parameters for the tiles (as we discussed back in DC last
May). There may be other issues as well - the code was not tested very
much with tiling.
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