See the section on expressions in the manual:
http://docs.geoserver.org/latest/en/user/styling/sld-reference/filters.html#filter-expressions
--
David Winslow
OpenGeo - http://opengeo.org/
On Mon, Dec 17, 2012 at 9:32 AM, Ákos Maróy <[email protected]> wrote:
> Hi,
>
> I wonder if it is possible to use expressions in SLD CSS parameters, and
> if so, how?
>
> I trying to create a <CssParameter> element, with a calculated value,
> for example:
>
> <CssParameter name="stroke-width">500000 * 0.0005</CssParameter>
>
> but I get an error saying:
>
> Caused by: java.lang.IllegalArgumentException: Unable to decode '500000
> * 0.0005' as a number
> at org.geotools.filter.Filters.number(Filters.java:534)
>
>
> I could try using an <ogc:Function name="multiply">...</ogc:Function>,
> but there is no OGC function that actually does multiplication (or it
> seems any of the basic math functions, add, substract, multiply, divide)
>
> my overall goal is to create stroke width, etc. parameters which are
> calculated based on the scale of the rendering, and I'd like to
> implement this by basing these values on basic calculcations of the
> wms_scale_denominator env attribute defined by GeoServer
>
>
>
> Akos
>
>
>
> ------------------------------------------------------------------------------
> LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial
> Remotely access PCs and mobile devices and provide instant support
> Improve your efficiency, and focus on delivering more value-add services
> Discover what IT Professionals Know. Rescue delivers
> http://p.sf.net/sfu/logmein_12329d2d
> _______________________________________________
> Geoserver-users mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/geoserver-users
>
------------------------------------------------------------------------------
LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial
Remotely access PCs and mobile devices and provide instant support
Improve your efficiency, and focus on delivering more value-add services
Discover what IT Professionals Know. Rescue delivers
http://p.sf.net/sfu/logmein_12329d2d
_______________________________________________
Geoserver-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/geoserver-users
