[Qgis-developer] option to set a global padding for layer labeling

G. Allegri giohappy at gmail.com
Thu Apr 27 14:56:06 PDT 2017

This requirement stems from the concept of "metabuffer" in tile caching, a
mechanism commonly user to mitigate label artifacts around tiles' margins.

I suppose that adding such opton would be as simple as reducing the bbox
set inside QgsLabelingEngine::run by the required amount, and obviously
adding the setting to the layers' labeling settings UI.

What's your opinion?
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