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Mon Apr 23 16:15:14 2018

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QGIS Planet

Best practices for writing Python QGIS Expression Functions

Recently there have been some questions and discussions about python based expression functions and how parameters like [crayon-5ad87cf3805af144422829-i/]  need to be used. So I thought I’d quickly write down how this works. There is some intelligence If the geometry or a

QGIS Expressions Engine: Performance boost

Expressions in QGIS are more and more widely used for all kinds of purposes. For example the recently introduced geometry generators allow drawing awesome effects with modified feature geometries on the fly. The last days at the QGIS developer meeting

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