[mapserver-dev] ms rfc 48: adding a type keyword to the styleblock

[thomas bonfort]

On Thu, Nov 6, 2008 at 21:49, Tamas Szekeres <szekerest at gmail.com> wrote:
> 2008/11/6 thomas bonfort <thomas.bonfort at gmail.com>:
>>
>> Why do you want to add the "geom" argument to the expressions ?
>>
>
> This is just a notation to denote the input geometry in the
> expression. It would probably be replaced with the actual feature of
> the layer when the expression is evaluated.
> However we might want to use here the same style as for the attribute
> binding, like:
>
> GEOMETRYEXPRESSION   "centroid([geom])"

in my understanding, the geometryexpression keyword already applies to
the geometry that mapserver is treating, i.e.
GEOMETRYEXPRESSION "centroid"
would be enough.

do you see a use-case where an argument would be passed eg. to centroid() ?

cheers,
thomas