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Add Elevation Controller for filtering vertical data in 2d maps (Request in QGIS)
Request for documentation
From pull request qgis/QGIS#56796 Author: @nyalldawson QGIS version: 3.38
Add Elevation Controller for filtering vertical data in 2d maps
PR Description:
This is the equivalent of the temporal controller, but for elevation z-range slicing of data in 2d maps. It's accessed through a new "Data Filtering" submenu in the View menu (in which I've also added Temporal Controller, since that was previously not accessible via menus).
The controller shows as a range slider on the left of the map. There's a configure action for setting the project's elevation range, which dictates the range available from the widget.
This works for all map layers which respect https://github.com/qgis/QGIS-Enhancement-Proposals/issues/201, which are currently point clouds and raster DEMs.
