# gdal_contour > Create contour lines and polygons from a digital elevation model. > More information: . - Create a vector dataset with contour lines spread over an 100-meter [i]nterval while [a]ttributing the elevation property as "ele": `gdal_contour -a {{ele}} -i {{100.0}} {{path/to/input.tif}} {{path/to/output.gpkg}}` - Create a vector dataset with [p]olygons spread over an 100-meter [i]nterval: `gdal_contour -i {{100.0}} -p {{path/to/input.tif}} {{path/to/output.gpkg}}`