[general]
name=Relative Elevation Model (REM)
qgisMinimumVersion=3.16
description=Generates a Relative Elevation Model (REM): a raster showing how high each cell sits above the nearest river channel, revealing floodplain features such as levees, palaeochannels and terraces. Includes a semi-automatic river line extractor.
version=1.0.0
author=Ishiba RO
email=ishiba.iro@gmail.com

about=This plugin adds two Processing tools under "REM Tools":

    1. Create River Line from DEM (semi-automatic): extracts a river/channel network from a DEM using fill sinks, flow accumulation, thresholding and thinning. The result is meant to be inspected and cleaned by hand before use. For very flat areas (e.g. the Sudd) a hand-drawn line is recommended instead.

    2. Generate Relative Elevation Model (REM): samples DEM elevation along the river line, interpolates a smooth river surface (IDW), and subtracts it from the DEM to produce the REM.

    IMPORTANT: the DEM and the river line MUST share the same projected (metre-based) coordinate reference system. Geographic (degree-based) data will not work correctly.

    The output REM is loaded with a bundled 0-10 m colour ramp suited to floodplain mapping.

tracker=https://github.com/ishibaro/rem-plugin/issues
repository=https://github.com/ishibaro/rem-plugin
hasProcessingProvider=yes

changelog=Version 1.0.0
    Initial release.
    Two tools: 'Create River Line from DEM' (semi-automatic extractor) and 'Generate Relative Elevation Model (REM)'.
    Output REM is styled automatically with a bundled 0-10 m colour ramp.
    Requires the DEM and river line to share the same projected CRS.

tags=dem, elevation, river, hydrology, raster, relative elevation model, REM, floodplain, archaeology, geomorphology
homepage=https://github.com/ishibaro/rem-plugin
category=Raster
icon=remtool_v.png
experimental=False
deprecated=False
server=False
