====== QGIS Tips and Tricks ====== * Visualise 2.5D geometries: for coloring, annotation extraction etc of z-values in ''POINT/LIN/POLYGON25D'' geometries one can simpy use ''z( $geometry )'' for styling or computations in the field calculator. Tip via [[http://isticktoit.net/?p=1359]] {{tag> QGIS Visualising GIS spatial_data 3D}}