Water supply (AEP) tools: DEM download, network elevations with reliability classes, CSV export and elevation-based splitting
Extracts elevations for water supply network layers from a local or automatically downloaded DEM (Copernicus GLO-30, SRTM, NASADEM, AW3D30, CopDEM). Each vertex gets a reliability class derived from local DEM slope, with optional GPS calibration (IDW). Workflow: DEM download, CSV export, elevations, splitting by elevation difference, elevation attribute. Author: Kouidri Sofiane.
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