Hi and thanks for the swift response!

It seems very clear to me that if this feature is to be implemented is
has to be done in cooperation with the Geoserver community, as there are
a lot of options for implementing this.

It is anyways good to hear that this is 

a) a feature that is most likely welcome
b) a feature that seems absolutely possible to implement

Regarding quotes I understand that this is not done in public, and I
will follow this up in appropriate channels if I consider this route.


  Atle Frenvik Sveen

On Tue, Sep 20, 2016, at 01:56 PM, Andrea Aime wrote:
> On Tue, Sep 20, 2016 at 1:00 PM, Atle Frenvik Sveen
> <a...@frenviksveen.net>
> wrote:
> > When it comes to implementation my java skills are severly lacking and I
> > am not familiar with the Geoserver codebase, but given some pointers and
> > guidance I guess I could try.
> The simplest approach is probably to:
>    - Add the bbox, srs to the GetLegendGraphic request object as a
> https://github.com/geoserver/geoserver/blob/master/src/wms/src/main/java/org/geoserver/wms/GetLegendGraphicRequest.java
>    (the scale denominator is already an existing parameter, and
>    width/height
>    have a different meaning by spec, so I'm not sure about adding a
>    different
>    set of width/height, some consideration should be done about pros/cons
>    of
>    each choice)
>    - Modify
> https://github.com/geoserver/geoserver/blob/master/src/wms/src/main/java/org/geoserver/wms/legendgraphic/BufferedImageLegendGraphicBuilder.java
>    to count how many features match a rule own filter along with the
>    correct
>    bbox one (which has to be expressed in the source CRS, and take into
>    account eventual map wrapping), if the count is zero, discard the rule
> The changes need to be packaged as a pull request, following these rules:
> https://github.com/geoserver/geoserver/blob/master/CONTRIBUTING.md
> You can also check this guide, but given the mail, you might have already
> read it:
> https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer
> > Another option I'm considering is
> > sponsoring the development of this, but in order to justify this I need
> > some (guess/est)imates on time/complexity of the task, and of course I
> > need someone (with knowledge of WMS in Geoserver) to take on the task.
> > Please not that I am just asking for some ballpark figures, and if this
> > is something that (if funded) would be considered added to Geoserver.
> >
> I believe this is something that would be quite welcomed. Sponsoring
> wise,
> we normally do
> not provide quotes in public, but you can ask directly to any of these
> companies:
> http://geoserver.org/support/
> Cheers
> Andrea
> -- 
> ==
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> ==
> Ing. Andrea Aime
> @geowolf
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