Feature request #6776
Allow multiple parallel classifications for different visual variables
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It would be nice if one could do multiple parallel classifications for controlling different visual variables.
The classification of on attribute controls the fill color, the classification of a different attribute controls the stroke color, and the classification of a third attribute controls the stroke-width.
The advantage would be that one has to deal with fewer classes when comparing the the traditional rule-based renderer or when combining all attribute combinations into a single attribute.
The legend would have to be revised though, as to show only the aspects the attribute is controlling.
#2 Updated by Andreas Neumann about 4 years ago
- Target version set to Future Release - High Priority
The rule-based renderer, the data-defined symbology and expressions certainly help to cover these cases. But it is still very time-consuming, esp. when a lot of classes are involved. For QGIS >2.0 we should discuss a better UI that help to deal with classifications involving two or more fields.