Feature request #21280

[Expression] Add z_min and z_max functions to extract those values from a geometry

Added by Harrissou Santanna almost 6 years ago.

Status:Open
Priority:Normal
Assignee:-
Category:Expressions
Pull Request or Patch supplied:No Resolution:
Easy fix?:No Copied to github as #:29098

Description

QGIS provides x_min, x_max as well as y_min and y_max functions to extract those coordinates from a geometry (particularly, lines and polygons).
It could be nice to have a way to also easily extract z min and max coordinates from geometries, without resorting to processing and aggregates expressions.

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