GDAL-RASTER-SLOPE(1) GDAL GDAL-RASTER-SLOPE(1) (NAME) gdal-raster-slope - (Slope Map) 3.11 . (SYNOPSIS) Usage: gdal raster slope [OPTIONS] (Positional arguments): -i, --input [] [ ] -o, --output [] [ ] (Common Options): -h, --help --json-usage JSON --config = [] -q, --quiet ( ) [ ] (Options): -f, --of, --format, --output-format ( "GDALG") [ ] --co, --creation-option = [] [ ] --overwrite [ ] --append --append [ ] --overwrite -b, --band ( ) (: ) --unit . UNIT=degree|percent (: degree) --xscale X --yscale Y --gradient-alg . GRADIENT-ALG=Horn|ZevenbergenThorne (: Horn) --no-edges nodata (Advanced Options): --if, --input-format [] [ ] --oo, --open-option = [] [ ] (DESCRIPTION) gdal raster slope (DEM) GDAL . gdal raster pipeline . (32-bit float) . : (degrees) (percent slope). . -9999 nodata . nodata nodata x . nodata x --no-edges nodata . x y z . --xscale --yscale CRS CRS CRS ( GDALRasterBand::GetUnitType() ) . CRS gdal raster reproject . x (-) y (-) z () --xscale --yscale . CRS (z) scale=370400 ( ) scale=111120 ( ) . --xscale --yscale . GDALG ( / ) JSON GDALG . GDALG: GDAL Streamed Algorithm / . (PROGRAM-SPECIFIC OPTIONS) -b, --band ( ) . --gradient-alg Horn|ZevenbergenThorne . Horn . Zevenbergen & Thorne Horn . --no-edges nodata. --unit degree|percent . degree () . --xscale X. DEM ( Lat/Long WGS84) scale=111120 ( scale=370400). --xscale --yscale CRS CRS gdal raster slope CRS ( GDALRasterBand::GetUnitType() ) . CRS . --xscale --yscale . --yscale Y. DEM ( Lat/Long WGS84) scale=111120 ( scale=370400). --xscale --yscale CRS CRS gdal raster slope CRS ( GDALRasterBand::GetUnitType() ) . CRS . --yscale --xscale . (STANDARD OPTIONS) --append . GTiff -- GeoTIFF File Format GPKG -- GeoPackage raster. . --co, --creation-option = . GeoTIFF . . . --formats . Raster drivers . . --if, --input-format / () . . . . . . --oo, --open-option = ( ). . -f, --of, --format, --output-format . : gdal --formats | grep raster | grep rw | sort --overwrite . gdal . (RETURN STATUS CODE) 0 ( ). (EXAMPLES) : DTED0 $ gdal raster slope n43.dt0 out.tif --overwrite (AUTHOR) Even Rouault (COPYRIGHT) 1998-2026 August 18, 2026 GDAL-RASTER-SLOPE(1)