[mapserver-users] Feature wish: Internal mapfile variables

[Daniel Morissette]

I agree that this is a request that comes up often. As usual we'd just 
need someone to lead the effort.

On 11-10-03 12:12 AM, Rahkonen Jukka wrote:
> Hi,
>
> Inspired by the Thomas Bonfort's rendering chain I have been thinking if we could have a native support for using  internal mapfile variables.  Now Thomas is setting for example a bunch of colours in a definition file which is converted into a real mapfile with python script and c preprocessor.
> http://mapserver-utils.googlecode.com/svn/trunk/README
> http://mapserver-utils.googlecode.com/svn/trunk/generate_style.py
>
> I would like to see a simple way for setting the variables directly in the mapfile, somehow like
> MAP
> SET "pedestrian_clr"  "#fafaf5"
> SET "forest_clr" "#dcdcb4"
> SET "industrial_clr" "#ebe5d9"
> ....
>
> And then later in the layers use
> LAYER
> .....
> COLOR %pedestrian_clr%
>
> The internal variables could be interpreted only from the mapfile and they could not be altered by the web users.
>
> Internal variable would help in maintaining big mapfiles with repeating styles like in the OpenStreetMap rendering case.  Another use case is when the same layers are re-used for several customers who like to have a bit different styling for the same source data.
>
> -Jukka Rahkonen-
>
>
> -Jukka Rahkonen-
>
>
>
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-- 
Daniel Morissette
http://www.mapgears.com/
Provider of Professional MapServer Support since 2000