[mapserver-dev] RFC 101: Content Dependant Legend Rendering

[Worth Lutz]

Thomas,

This looks like something I need! One question though.

If I have a layer with one class and the style defined by attributes
selected by my DATA statement query, will this create all those legend
icons?

Example:

 CLASS
    #NAME "AaA"
    #EXPRESSION "AaA"
    STYLE
      COLOR [color] 
      OUTLINECOLOR [outlinecolor]
    END
    INCLUDE "layers/soil_label.inc"
  END

I do see the one problem. You cannot use an attribute for the NAME which is
what shows up in the legend. 

Where this would be helpful is where I have many different classes but only
several (5-10) may show up on one zoomed in view. I can select the colors
from a small palette and assign them in my query. I just cannot figure out
how to get a legend.

I hope this makes sense and my spark an idea for a solution.

Thanks,

Worth Lutz







-----Original Message-----
From: mapserver-dev-bounces at lists.osgeo.org
[mailto:mapserver-dev-bounces at lists.osgeo.org] On Behalf Of thomas bonfort
Sent: Friday, July 19, 2013 9:50 AM
To: MapServer Dev Mailing List
Subject: [mapserver-dev] RFC 101: Content Dependant Legend Rendering

Devs,
Please find RFC 101 which proposes an extension to GetLegendRequest
image results to only include legend icons for features that are
actually present in a given map view

https://github.com/mapserver/docs/blob/5398e449f6307419e2557a5a5ca0404bab827
728/en/development/rfc/ms-rfc-101.txt

and soon at: http://mapserver.org/development/rfc/ms-rfc-101.html

I'll be calling for vote on it next week, in time for our upcoming 6.4
feature-freeze.

Best regards,
Thomas
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