Re: [Geotools-devel] UOM support for GeoTools rendering

[Andrea A. <aa...@op...>]

Milton Jonathan ha scritto:
> Hello folks
> 
> I've been reading some messages in the GeoServer list 
> (http://old.nabble.com/SLD:-define-stroke-width-in-meter-td27132716.html) 
> that discuss the dificulties of creating a style with a line width given 
> in meters.
> 
> Well, we've recently added this functionality to the GeoTools renderer 
> down here, and it really wasn't that hard. In short, we basically use a 
> "UomRescaleStyleVisitor" to rescale Symbolizers as needed when building 
> a Style2D in SLDStyleFactory (more or less like the one we sent back in 
> http://www.mail-archive.com/geo...@li.../msg18539.html)
> 
> We haven't sent this yet to you guys because we have to first figure out 
> the issues with our contribution for vector rendering. Andrea, I haven't 
> been able to work on that last week, will hopefully be able to do it 
> this week!
> 
> Anyways, all I wanted to say is that I feel that adding sizes in meters 
> is (hopefully) not so far away as some people are thinking.

On the GeoServer ml I said it was hard to make it the right way.

I guess what you've done falls in the category of "hacked SLD 1.0"?
"As for supporting a hacked SLD 1.0 with a notion of units, that
could take less time, but still far away from stuff doable in
spare time"

Or you've modified the parser to actually read SE 1.1?

Cheers
Andrea

-- 
Andrea Aime
OpenGeo - http://opengeo.org
Expert service straight from the developers.