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I am trying to do rotation of point symbols in QGIS. I am working with rule-based renderer. In other types of classification there is a button advanced (for example in categorized renderer), where I can choose rotation field. But in rule-based renderer this button is missing.
Do you know how to make this rotation of point symbols otherwise?
Example in categorized renderer
In rule-based renderer advanced(and rotation field) is missing
I figured out how to do it manually. Not so ellegant, but works.
In *.qml style, I can edit part with
< prop k="angle" v="0"/ >
and instead of it write
< prop k="angle_expression" v="ROT"/ > ,
where ROT is my field with rotation.
Edit: In version 2.10 there is a new field in rule-based renderer- "change angle".
You can find the Advanced options if you click on a rule you made and select Refine current rules > Add categories to rule or Add ranges to rule > Advanced > Rotation field:
Hope this helps!
