[Qgis-user] data defined style with $scale

[Ziegler Stefan]

Sorry, forgot to mention I'm on master.

Regards
Stefan 

> -----Ursprüngliche Nachricht-----
> Von: qgis-user-bounces at lists.osgeo.org [mailto:qgis-user-bounces at lists.osgeo.org] Im
> Auftrag von Ziegler Stefan
> Gesendet: Dienstag, 19. November 2013 07:51
> An: qgis-user at lists.osgeo.org
> Betreff: [Qgis-user] data defined style with $scale
> 
> Hi
> 
> I have a question regarding data defined styling. I'm using the $scale parameter to
> define the line width:
> 
> CASE
> WHEN $scale <= 500.0 THEN 1
> WHEN ($scale > 500 AND $scale <= 1000) THEN 0.5 END
> 
> I would expect that the line is not drawn with a scale larger than 1000. But it seems
> the line is still drawn. It even draws the line with an ELSE-statement:
> 
> CASE
> WHEN $scale <= 500.0 THEN 1
> WHEN ($scale > 500 AND $scale <= 1000) THEN 0.5 ELSE 0.0 END
> 
> It seems that I get my expected result when I use an ELSE value near zero (e.g.
> 0.0000001).
> 
> Is this on purpose? Or is there an error in my statement?
> 
> 
> regards
> Stefan
> 
> Freundliche Grüsse
> Stefan Ziegler
> Kantonsgeometer
> 
> Amt für Geoinformation
> Amtliche Vermessung
> Rötistrasse 4
> 4500 Solothurn
> 
> Telefon +41 32 627 75 96
> Telefax +41 32 627 75 98
> stefan.ziegler at bd.so.ch
> http://www.so.ch
> 
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