GDAL-RASTER-TRI(1) GDAL GDAL-RASTER-TRI(1) >>> (NAME) gdal-raster-tri - >>>>> >>>> >>>> >>>>>>>> >>>> (TRI) >> >>>> 3.11 >>>>> >>. >>>>> >>>>> (SYNOPSIS) Usage: gdal raster tri [OPTIONS] Generate a Terrain Ruggedness Index (TRI) map Positional arguments: -i, --input Input raster datasets [required] [not available in pipelines] -o, --output Output raster dataset [required] [not available in pipelines] Common Options: -h, --help Display help message and exit --json-usage Display usage as JSON document and exit --config = Configuration option [may be repeated] -q, --quiet Quiet mode (no progress bar or warning message) [not available in pipelines] Options: -f, --of, --format, --output-format Output format ("GDALG" allowed) [not available in pipelines] --co, --creation-option = Creation option [may be repeated] [not available in pipelines] --overwrite Whether overwriting existing output dataset is allowed [not available in pipelines] Mutually exclusive with --append --append Append as a subdataset to existing output [not available in pipelines] Mutually exclusive with --overwrite -b, --band Input band (1-based index) (default: 1) --algorithm Algorithm to compute TRI. ALGORITHM=Riley|Wilson (default: Riley) --no-edges Do not try to interpolate values at dataset edges or close to nodata values Advanced Options: --if, --input-format Input formats [may be repeated] [not available in pipelines] --oo, --open-option = Open options [may be repeated] [not available in pipelines] >>>>>>> (DESCRIPTION) >>>>> gdal raster tri >> >>>> >>>>>>> >> >>>>>> >>>>>>>>>> >> >>>>>> >>>>> >>>>>>. TRI >>>> Terrain Ruggedness Index (>>>> >>>>>>>> >>>>) >>> >> >>>>> >>> >> >>>>> >>>>> > >>>>>>>> >>>>> >> >> >>>>>>>. >>> >>>>>>>> >>>>>> >> >>>>> >> >>>>> >>>>>> >> gdal raster pipeline >> >>>>> >>>. >>>>> -9999 >> >>>>> >>>>> nodata >>>>>>> >>>>>>. >>> >>>>> >> >>>>> >> >>>>> nodata >> >>>>> 3x3 >>>>>> >> >> >>>>> >>>> >>>> >>>> >> >>>>> nodata >>> >> >>>>>>>>>>> >>>> >>>> >>>>> >>. >>>>>> >>>>>>>> >>>>>>>> >>>>>> >> >> >>>>>>> >>>>> >> >> >>>> >>>>> >>>>> nodata >> >>>>> 3x3> >> >>>>>>>>> >>>>>> >>>>>>> >>>>>> >>>>>>> >>> >>>>> --no-edges >>>> >>> >>>>> >> >> >>> >>>> >> >>>>> > >>>>>> >> >>>>> >>>>> >> >>>>> nodata >>>>> >>>>>>. >>>>> GDALG (>>>>>>>>>>> >> >>>> / >>>>) (GDALG OUTPUT (ON-THE-FLY / STREAMED DATASET)) >>> >>>>>> >> >>>>>>>>>>> >> >>>>> >> >>>> >> >>>> JSON >> >>>>>>> >> >>>> >>>>> GDALG >>>>>>>> >>>>>>. >>> >>>> >>>> >>>>>>>> >> >>>>>>> >> >>>>>> GDALG: GDAL Streamed Algorithm >> >>>>> >> >>>>>>>>>>> >>>> >>> >>> > >> >>>> (pipeline) >>>>>>>> >> >> >>>> >>>>>>> / >>>> (streamed) >>>>> >>>. >>>>>>>>> >>>> >>>>>> (PROGRAM-SPECIFIC OPTIONS) --algorithm Riley|Wilson >>>>>> >>>>>>>> >>>> >>>>>>>: o Riley> >>>> >>>>>>>> >> >>> >>>>> >>>>>> >>>>>> >>> >> >>>>> >>>>> > >>>>>>>> >>>>> >> >>>>>>> >>>>>>. >>> >>> >>>> >>>>>>>>> >>>> > >>>>> >>>>> >>>>> >>>>>>. >>> >>>>>>>> >> >>>> >>>> >>> >>>>>>>>>> >>> >>>: Riley, S.J., De Gloria, S.D., Elliot, R. (1999): A Terrain Ruggedness that Quantifies Topographic Heterogeneity. Intermountain Journal of Science, Vol.5, No.1-4, pp.23-27 o Wilson >> >>>>>>> >>>>>> >>> >> >>>>> >>>>> > >>>>>>>> >>>>> >> >>>>>>> >>>>>>. >>> >>> >>>> >>>>>>>>> >>>>>>>> (bathymetric) >>>>> >>>>>>. >>> >>>>>>>> >> >>>> >>>> >>> >>>>>>>>>> >>> >>>: Wilson et al. 2007, Marine Geodesy 30:3-35. -b, --band >>>>> >>>>> (>>>> >> >) >> TRI >>>> >>>> >> >>>>>> >>>. --no-edges >>>>> >>>> >>>>>>>>> >>>>>> >> >>>>>>> >>>>>>>>>>> >> >>>>> >> >>>>>> nodata >>>>> >>>>. >>>>>>>>> >>>>>>>>> (STANDARD OPTIONS) --append >>>>> >>>> >>>>> >> >>>>> >> >>>>>>>>>>>>>> >>>> >> >> >>>> >>>>> >>>>>. >>>> >> >>>>>>>>>> >>> >>>>>> >> >> >>>>>> >>>>>>>>>>>>>> >>>>>>>> >>>>>>>> >>>>> GTiff -- GeoTIFF File Format > GPKG -- GeoPackage raster. >>>>>> >>> >>>>>>>>>>> >>>>> >>>> >>>> >>>>>> >>>>> >> >> >>>>> >>>>>>. --co, --creation-option = >>>>>> >> >>>>>>> >> >> >>> >>>>> >>>> >>>>>>> >>>>> >> >>>>>>>>> >>>> >>>>> >>>>>> >>>> >>>>>>>> >>>>>>> >>>>. >>>> >>>>>> >>>>>> GeoTIFF >> >>>>>>>>> >>>> >>>> >>>>> >>>>>>>>>> > >>>>>>>>> (tiled) >>>> >>>> >>>>>>>> >>>>>>. >>>>>>>> >>>>> >>>. >>>>>>>>> >>>> >>>>> >>>> >> >>>>>> >>>> >>>>>> >>> > >>>> >> >>>>>>>> >>>> >>>>> >>> >>>>> >>>>> >>>>>>. >>>>>> >> >>>>>>>>> >>>>>>>>>>>> >>>> >> >>>> >> >>>>>>> >> >>>>> >> >>>>> --formats >>>>>> >>>> >>> >>>>>>> >>>>> >> >>>> >>>> >>>> >>>>> >>>>>>> >>>>>> >>>>>>>>> >>>> >>>>>> >>>. >>>> >>>>>>>>> >>>> >>>>> >>>> >> >>>>> >> >>>>>>> >>>>>>> >> >>>> >> Raster drivers >>>>>> >>>>. --if, --input-format >>> >>>>/>>>>>> >> >>>> >>>> >>> >>>> >>>>(>>>) >>>>> >>>> >>>. >>>>>> >>> >>>> >>>> >> >>>>>> >>>>> >>> >> >>>>>> >> >>>>> >>>>>> >>>>>> >> >>>>>> >>>>>> >>>>> >>>>>> >>>> >>>>>>>> >>>> >>>>>>> >> >>>>> >>>>>> >> >>> >>>. >>> >>>>> >>>>>>>> >>>>> >>> >>>> >>>>> >>>>> >>>>>> >>>>>> >>>>> >>>. >>>> >>>>> >>>>> >> >>> >>>>> >> >>>>>>>> >> >>>>> >> >>> >>>> >>>> >>>>>>>>>>> >>>>>>>> >>>>>>> >> >>>> >>>>>>>> >>>>>>>>>>>>> >>>> >>>>> >>>> >>>>>. >>>>>>>> >>>>> >>>. --oo, --open-option = >>>>> >>> >>>> >>>>>>>>>>> (>>>>> >> >>>>). >>>>>>>> >>>>> >>>. -f, --of, --format, --output-format >>>> >>>>>> >>>> >>>> >>>> >>>>> >>>>>>> >>>. >>>>>> >>>> >> >>>>>>> >> >>> >>>>> >> >>> >>>>: gdal --formats | grep raster | grep rw | sort --overwrite >>>>> >>>>>>>> >>>> >> >>>>>>>>>>> >>>> >>>>> >> >> >>>>>> >>>>>>. >> >>> >>> >>>>> >>>>>> >>>>>>>> >>> >>>> >> >>>>>>>>>>> >>>> >> >>> >>>> >>>>> >>>>> gdal >> >>> >>>>> >>>>>>. >>>>> >>>> (EXIT STATUS) >>>>>> >> >>>> >>>>>> >> >>>>> 0 > >> >>>> >>>> >>> >>>>>> >>> >>> >> >>>>>>>>>>> (>>>>>> >>>>>>>>>>>>> >> >> >>>> >>>>> >>>> >>>>>>> >> >>>>> >>>>> >>>> >> >>> >>>>> >>>>>>>). >>>>>>> (EXAMPLES) >>>> >: >>>>> >>>> >>>> >>>>>>>> >>>> (TRI) >> >> >>>> DTED0. $ gdal raster tri n43.dt0 out.tif --overwrite >>>>>>>>> (AUTHORS) Even Rouault >>>>>>>> > >>>>> (COPYRIGHT) 1998-2026 August 18, 2026 GDAL-RASTER-TRI(1)