[Qgis-developer] scale dependent visibility and fixed scales

[Marco Bernasocchi]

Mmmm since when is it fixed?

Marco Bernasocchi (mobile)
http://opengis.ch
On Aug 17, 2012 5:27 PM, "kimaidou" <kimaidou at gmail.com> wrote:

> Hi,
>
> Larry, you are right, I just tested Qgis 1.8 with one of my projects, and
> indeed now Qgis displays the layer between the two bounds *included*.
> I missed that !
>
> Thanks to the dev who corrected the old behaviour.
>
> Michael
>
> 2012/8/17 Larry Shaffer <larrys at dakotacarto.com>
>
>> On Thu, Aug 16, 2012 at 5:33 PM, Larry Shaffer <larrys at dakotacarto.com>
>> wrote:
>> > Hi,
>> >
>> > On Thu, Aug 16, 2012 at 7:40 AM, kimaidou <kimaidou at gmail.com> wrote:
>> >> Hi all
>> >>
>> >> I totally agree scale limits should be included. I usually need to set
>> 51000
>> >> or 49999 so that exact 50k is taken into account for respective max /
>> min
>> >> scales.
>> >> Including the bounds will be more logic in my opinion.
>> >
>> > I concur. Do you mean like this:
>> >
>> >
>> http://dl.dropbox.com/u/4058089/qgis/scale-boundaries-included_patch.diff
>> >
>> > Those were the first two I could find, there are probably others.
>>
>> On second look, QgsRuleBasedRendererV2::Rule::isScaleOK looks like
>> it's already including the boundaries. (removed it from the diff)
>>
>> > I believe this is how the PAL labeling engine [0] already handles
>> > this, and it's how my recent data defined scale-visibility for labels
>> > works [1].
>> >
>> > [0]
>> https://github.com/qgis/Quantum-GIS/blob/master/src/core/pal/layer.cpp#L132
>> > [1]
>> https://github.com/qgis/Quantum-GIS/blob/master/src/core/qgspallabeling.cpp#L516
>> >
>> > Regards,
>> >
>> > Larry
>> >
>> >> Cheers
>> >> Michael
>> >>
>> >> 2012/8/16 Marco Bernasocchi <marco at bernawebdesign.ch>
>> >>>
>> >>> Hi all, today I was plaing around with some swiss maps (LK25 and
>> LK50) I
>> >>> wanted to have LK50 (national map 1:50000) visible only from scale
>> >>> 1:50000 and if it is zoomed in then I want to see LK25.
>> >>>
>> >>> So I set the maps to be scale dependent visible as here:
>> >>> LK25 min:0 Max 50000
>> >>> LK50 min: 50000 Max 1000000000
>> >>>
>> >>> the concept works but there is a detail (matter of changing a < to <=
>> or
>> >>> so) that I think it is not super intuitive.
>> >>> If I select the fixed scale of 1:50000 then onlx LK25 is shown. I
>> would
>> >>> expect either both or only LK50 to be visible.
>> >>> what do think?
>> >>>
>> >>> ciao
>> >>> --
>> >>> Marco Bernasocchi
>> >>> http://opengis.ch
>> >>> _______________________________________________
>> >>> Qgis-developer mailing list
>> >>> Qgis-developer at lists.osgeo.org
>> >>> http://lists.osgeo.org/mailman/listinfo/qgis-developer
>> >>
>> >>
>> >>
>> >> _______________________________________________
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>> >>
>>
>
>
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