[Cartoweb-users] Alternative layers

[Pierre GIRAUD]

Hello,

You should probably have a look at the "aggregate" parameter.

http://cartoweb.org/doc/cw3.1/xhtml/user.layers.html#user.layers.tree.layergroups

You can use it for example on your LayerGroup "streets".

Pierre GIRAUD

Giorgio Plazzotta wrote:

>I was searching in the cartoweb legend infos something that i could refer to
>as "alternative layers".
>The goal is to manage situations when there is a huge vector file that we
>decide to resample using the GIS desktop application into more layers
>representing the same elements (ex. streets) but with different quality. So
>let's say that i create 3 different shapefiles with streets with different
>quality. We set 3 different layes in the mapfile paying attention to set,
>for each of them, a visibility range that don't intersect the others.
>This can be managed by the mapfile, but what happens in the cartoweb legend?
>In this case the very useful "out of scale" function causes a problem
>because we will see all the 3 layers in the legend with all their classes
>while in this case we probably wanted to see only the visible layer and not
>the out of scale ones.
>Maybe this can be done someway with the settings that are already available
>(please tell!), otherwise it could be useful a parameter that disable for
>the out of scale layer such as  layers.streets.viewifoutofscale =  false
>
>Giorgio
>
>
>  
>
-- 

_________________________________________________________
Pierre GIRAUD
Géomaticien, Analyste

Camptocamp France SAS
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Mail : pierre.giraud at camptocamp.com
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