[Qgis-user] Understanding the rule-based renderer

Andreas Neumann a.neumann at carto.net
Fri Apr 8 02:36:26 PDT 2011


 Hi,

 I am trying to better understand the rule based renderer.

 Which version is correct?

 a) QGIS is rendering all features of the first rule, then the second 
 rule, etc, Features of the first rule are rendered first, features of 
 the second rule on top of features from the first rule
 b) QGIS is rendering each feature on by one and decides which rule 
 applies.

 I hope it is not version b), I hoped it behaves like version a) but it 
 behaves a bit odd with my data. For my data it seems like the order of 
 the rule has no influence on the rendering order ;-(

 Thank you for some more insight on how the rule-based renderer works.

 Andreas

-- 
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 Andreas Neumann
 Böschacherstrasse 10A
 8624 Grüt (Gossau ZH)
 Switzerland



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