GDAL-RASTER-POLYGONIZE(1) GDAL GDAL-RASTER-POLYGONIZE(1) (NAME) gdal-raster-polygonize - 3.11. (SYNOPSIS) Usage: gdal raster polygonize [OPTIONS] . : -i, --input [] [ ] -o, --output [] [ ] : -h, --help --json-usage JSON --config = [] -q, --quiet ( ) [ ] : -f, --of, --format, --output-format ( "GDALG" ) [ ] --co, --creation-option = [] [ ] --lco, --layer-creation-option = [] [ ] --overwrite [ ] --update [ ] --overwrite-layer [ ] --append [ ] --output-layer -b, --band ( ) (: 1) --attribute-name (: DN) -c, --connect-diagonal-pixels : --if, --input-format [] [ ] --oo, --open-option = [] [ ] --output-oo, --output-open-option = [] [ ] (DESCRIPTION) gdal raster polygonize . . NoData (mask) . . :GDALPolygonize() . GDAL 3.12 gdal pipeline . [] x. . --connect-diagonal-pixels . 3.12. GDALG ( / ) (GDALG OUTPUT (ON-THE-FLY / STREAMED DATASET)) JSON GDALG . GDALG: GDAL Streamed Algorithm (on-the-fly) (streamed) . : . . (PROGRAM-SPECIFIC OPTIONS) --attribute-name (: "DN"). -b, --band . 1 . -c, --connect-diagonal-pixels ( ) . (4-connectivity) . (8-connectivity) . --nln, --output-layer . "polygonize" . (STANDARD OPTIONS) --append () . . --co, --creation-option = . GeoTIFF . . . --formats . (Raster drivers) . --if, --input-format / () . . . . . . --lco, --layer-creation-option = . GeoPackage (geometry) . . . --formats . (Vector drivers) . . -f, --of, --format, --output-format . : gdal --formats | grep vector | grep rw | sort --oo, --open-option = ( ). . --output-open-option, --output-oo = 3.12. ( ). . --overwrite . gdal . --overwrite-layer . --update . (EXIT STATUS) 0 ( ). (EXAMPLES) : shapefile GeoTIFF . gdal raster polygonize input.tif polygonize.shp (AUTHORS) Even Rouault (COPYRIGHT) 1998-2026 August 18, 2026 GDAL-RASTER-POLYGONIZE(1)