Hi Andrea:
I could not find any good documentation on how to get a hold of the scale for
use in one of these functions; think we need to ask for more help or look at
the code.
--
Jody Garnett
On Wednesday, 27 April 2011 at 8:11 PM, Jody Garnett wrote:
> I don't think I have code examples of these yet myself (so if you create some
> please send them my way).
>
> One thing you can do for examples is download the SE 1.1 specification; and
> the javadocs are also pretty good.
> -
> http://docs.geotools.org/latest/javadocs/org/geotools/filter/function/RecodeFunction.html
> -
> http://docs.geotools.org/latest/javadocs/org/geotools/filter/function/InterpolateFunction.html
> -
> http://docs.geotools.org/latest/javadocs/org/geotools/filter/function/CategorizeFunction.html
>
> Here is a CQL example from an old email:
>
> stroke-width:
> - categorize( attribute, 1, 5000, 2, 15000, 3, 40000, 4,750000, 5 );
>
> fill-color:
> - interpolation( attribute, 0.0, '#005500', 3300.0, 'AA1100', 5000.0,
> #FFFFFF, "linear", "color", )
>
> The only thing I am not sure about is how the env function works to access
> scale? Need to look at some of aaime's blog posts for that :(
>
> I would expect something like the following:
>
> size:
>
> - categorize( env("scaleDenominator"), 5, 5000, 8, 10000, 10 )
>
> --
> Jody Garnett
>
> On Wednesday, 27 April 2011 at 7:15 PM, andrea antonello wrote:
> > Hi Jody, thanks for the reply.
> >
> > > You should also be able to define the size as an expression; and choose
> > > one
> > > of the Categorize function based on scale (think scale is available as an
> > > env function?)
> > > The three functions from se 1.1 should cut down on 90% of the use of
> > > Rules:
> > > - Categorize
> > > - Interpolate
> > > - Recode
> >
> > I guess I understand what you mean, but I sure do not know how to
> > achive this. I can't find any reference on the geotools doc. Guess
> > this is because it is one of the new parts?
> > I would like to add that also to the uDig styler, so if you have
> > examples or reference docs, let me know.
> >
> > Thanks,
> > Andrea
> >
> >
> > >
> > > --
> > > Jody Garnett
> > >
> > > On Wednesday, 27 April 2011 at 5:54 PM, andrea antonello wrote:
> > >
> > > Hi all,
> > > I am trying to understand if it is possible through sld in geotools to
> > > define a label size at fix scale, i.e. say: size 10 at 1:10000.
> > >
> > > From the sld tests and implementations I have done so far for uDig,
> > >
> > > the only possibility I came across is to create different rules with
> > > different sizes to mimic that behaviour (geoserver cookbook).
> > >
> > > Is there right now any way to achieve this?
> > >
> > > Thanks,
> > > Andrea
> > >
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