[OpenLayers-Users] Thematic map and legend
Salvaro
asufsc at gmail.com
Fri Jan 23 05:46:25 EST 2009
Hehehe, the second class of Thematic Cartography on Geography course "you
never should create a map without legend" =P.
I used the lib Ext to create a window with the legend.
Regards.
goliah wrote:
>
> Dear list,
>
> here is the question:
> I'd like to have a thematic map in Openlayers, e.g. a map where the
> style of features is based on a classification of some attribute.
>
> For doing this it would be necessary to define a mapping between the
> attribute value and desired classes (1 class -> 1 attribute value
> range), and associate a color palette to classes (1 class -> 1 color)
> Moreover, it would be nice to have a legend showing the meaning of
> colors in terms of the original attribute value.
>
> Anyone has some experience related to this with OpenLayers? Is anyone
> interested in helping me with developement?
> I think this kind of feature would be very useful.
>
> Thanks for your time and help
> Mauro
>
>
> --
> Mauro Bianchi
> bianchimro at gmail.com
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>
>
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