[Qgis-developer] Fwd: [SoC] OSGeo Google Summer of Code 2014 - ideas needed!
regis.haubourg at eau-adour-garonne.fr
Tue Feb 11 04:52:20 PST 2014
Thanks for your lights Martin.
Is there any way for me to help you go further? From my point of view, I can write user requirements, but hardly help you on a technical implementation.
> -----Message d'origine-----
> De : Martin Dobias [mailto:wonder.sk at gmail.com]
> Envoyé : mardi 11 février 2014 10:33
> À : HAUBOURG
> Cc : qgis-dev
> Objet : Re: [Qgis-developer] Fwd: [SoC] OSGeo Google Summer of Code
> 2014 - ideas needed!
> On Fri, Feb 7, 2014 at 4:33 PM, Régis Haubourg <regis.haubourg at eau-adour-
> garonne.fr> wrote:
> > Hi,
> > qgis is still very weak concerning pure cartographic uses cases with
> > size varying symbols, and have no working legend for this, and more
> > generally for all data defined symbology.
> > I've already shared my ideas with Martin Dobias who seems to have
> > legend refactoring in mind.
> > Since this is critic for a cartographic tool, and since data defined
> > symbologies can't be guessed before real data is rendered, we have
> > something that needs some deep investigations.
> > Putting this in a developpement contract seems dangerous in such early
> > stage. It be could either be a topic for the next hackfest, or a GsoC.
> > Martin, any opinion on this? Others?
> It could be a GSoC project if we knew what do we want to implement.
> Currently we just have a use case in the mind ("generate nice legend for
> symbols with data-defined scale"). But we have not yet elaborated the
> concept how this would be done. The mentioned use case is probably not
> the only scenario where it would be nice to have customized legend. So we
> need to think more about other possible use cases (what to do if there are
> combinations, e.g. data-defined scale, data-defined color, data-define
> rotation, categories) and how the user would define their requirements.
> Without a good design, we can end up with a poor solution that satisfies just
> the simplest use case, but fails with all others. I do not feel confident
> proposing such project without having a clear idea as that may lead to high
> risk of failure.
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