[Qgis-user] Scale based label rendering

[Bernhard Ströbl]

Hi,

not a solution but a workaround:
simply copy the layer and define a different visibility scale range.

Bernhard

Am 06.11.2013 16:54, schrieb McDonaldR:
> Hello list
>
> I want to vary the size of my labels on features both by attribute and map scale.  So, for example, I have a layer of towns and villages and I want towns labelled with a font size of 20 and villages with a font size of 10.  I can do this with in the label size expression builder:
>
> CASE WHEN "type" = 'town' THEN 20 ELSE 10 END
>
> Now, how can I vary the label size with scale?  When the scale is smaller than 1:100000 then towns must be size 15 and villages size 8.  I thought something like this would work:
>
> (CASE WHEN "type" = 'town' AND $scale<  100000 THEN 20 ELSE 10 END) OR (CASE WHEN "type" = 'town' AND $scale>  100000 THEN 15 ELSE 8 END)
>
> I tried with the $scale function under Record category but then the labels disappeared.
>
> Any suggestions?
>
> I am using QGIS 2.0.1-3 on Windows 7.
>
> Thanks
>
> Ross
>
> Ross McDonald | GIS Data Coordinator | Resources Department, IT Division | Angus Council, Angus House, Orchardbank Business Park, Forfar, DD8 1AT
> T: 01307 476419 | F: 01307 476401 | E: mcdonaldr at angus.gov.uk<mailto:mcdonaldr at angus.gov.uk>  | W: Angus Maps<http://www.angus.gov.uk/maps/map_home.cfm>
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