[Qgis-user] data defined style with $scale

[Bernhard Ströbl]

Hi Stefan,

neither a solution nor an answer but a workaround:
I always use the rule based renderer and set the scale for the rule (I 
_think_ this may also be faster)

Bernhard

Am 19.11.2013 07:50, schrieb Ziegler Stefan:
> 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
>
> _______________________________________________
> Qgis-user mailing list
> Qgis-user at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/qgis-user
>
>
> __________ Information from ESET Mail Security, version of virus signature database 9065 (20131118) __________
>
> The message was checked by ESET Mail Security.
> http://www.eset.com
>
>



__________ Information from ESET Mail Security, version of virus signature database 9065 (20131118) __________

The message was checked by ESET Mail Security.
http://www.eset.com