[Qgis-developer] General questions & multiple map canvases

humarco marco.hugentobler at karto.baug.ethz.ch
Tue May 9 02:18:20 EDT 2006


Hi Martin,

> Hi,
>
> I see one more possible direction which is the mix of the two you mention:
>
> 3. different views to the same project, but canvas can have different
> layer set, symbology, CRS and legend.

So in the project file, there would be something like a <view> tag?

> I think it would be wise to organize a poll in user community (on web
> or on mailing list) what handling of multiple map canvas they like at
> most and implement it based on their opinions.

+1

> > > Each canvas should have its own legend instance. We should swap out th
> > > elegend control with which ever canvase is currently in focus.

One legend per canvas is reasonable. Serialising and swapping legend settings 
would be to much overhead.
For third party apps, a legend interface would be good (as suggested by larsl 
on IRC).

Marco



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