Author: Linux Manual

gdalbuildvrt – gdalbuildvrt Builds a VRT from a list of datasets. (compiled by default since GDAL 1.6.1) Synopsisgdalbuildvrt [-tileindex field_name] [-resolution {highest|lowest|average|user}] [-te xmin ymin xmax ymax] [-tr xres yres] [-tap] [-separate] [-b band] [-sd subdataset] [-allow_projection_difference] [-q] [-addalpha] [-hidenodata] [-srcnodata "value [value…]"] [-vrtnodata "value [value…]"] [-a_srs srs_def] [-input_file_list my_liste.txt] [-overwrite] output.vrt [gdalfile]*DescriptionThis program builds…

gdaladdo – gdaladdo builds or rebuilds overview images Synopsisgdaladdo [-r {nearest,average,gauss,cubic,average_mp,average_magphase,mode}] [-b band] [-ro] [-clean] [–help-general] filename levelsDescriptionThe gdaladdo utility can be used to build or rebuild overview images for most supported file formats with one of several downsampling algorithms. -r {nearest (default),average,gauss,cubic,average_mp,average_magphase,mode}: Select a resampling algorithm. -b band: (available from GDAL 1.10) Select an…

gdal_utilities – GDAL Utilities The following utility programs are distributed with GDAL. • gdalinfo – report information about a file. • gdal_translate – Copy a raster file, with control of output format. • gdaladdo – Add overviews to a file. • gdalwarp – Warp an image into a new coordinate system. • gdaltindex – Build…

gdal_translate – gdal_translate converts raster data between different formats Synopsisgdal_translate [–help-general] [-ot {Byte/Int16/UInt16/UInt32/Int32/Float32/Float64/ CInt16/CInt32/CFloat32/CFloat64}] [-strict] [-of format] [-b band] [-mask band] [-expand {gray|rgb|rgba}] [-outsize xsize[%] ysize[%]] [-unscale] [-scale[_bn] [src_min src_max [dst_min dst_max]]]* [-exponent[_bn] exp_val]* [-srcwin xoff yoff xsize ysize] [-projwin ulx uly lrx lry] [-epo] [-eco] [-a_srs srs_def] [-a_ullr ulx uly lrx lry] [-a_nodata value]…

gdal_sieve – gdal_sieve.py removes small raster polygons Synopsisgdal_sieve.py [-q] [-st threshold] [-4] [-8] [-o name=value] srcfile [-nomask] [-mask filename] [-of format] [dstfile]DescriptionThe gdal_sieve.py script removes raster polygons smaller than a provided threshold size (in pixels) and replaces replaces them with the pixel value of the largest neighbour polygon. The result can be written back to…

gdal_retile – gdal_retile.py gdal_retile.py retiles a set of tiles and/or build tiled pyramid levels Synopsisgdal_retile.py [-v] [-co NAME=VALUE]* [-of out_format] [-ps pixelWidth pixelHeight] [-ot {Byte/Int16/UInt16/UInt32/Int32/Float32/Float64/ CInt16/CInt32/CFloat32/CFloat64}]’ [ -tileIndex tileIndexName [-tileIndexField tileIndexFieldName]] [ -csv fileName [-csvDelim delimiter]] [-s_srs srs_def] [-pyramidOnly] [-r {near/bilinear/cubic/cubicspline/lanczos}] -levels numberoflevels [-useDirForEachRow] -targetDir TileDirectory input_files.fiDescriptionThis utility will retile a set of input tile(s)….

gdal_rasterize – gdal_rasterize burns vector geometries into a raster SynopsisUsage: gdal_rasterize [-b band]* [-i] [-at] [-burn value]* | [-a attribute_name] [-3d] [-l layername]* [-where expression] [-sql select_statement] [-of format] [-a_srs srs_def] [-co "NAME=VALUE"]* [-a_nodata value] [-init value]* [-te xmin ymin xmax ymax] [-tr xres yres] [-tap] [-ts width height] [-ot {Byte/Int16/UInt16/UInt32/Int32/Float32/Float64/ CInt16/CInt32/CFloat32/CFloat64}] [-q] <src_datasource> <dst_filename>DescriptionThis…

gdal_proximity – gdal_proximity.py produces a raster proximity map Synopsisgdal_proximity.py srcfile dstfile [-srcband n] [-dstband n] [-of format] [-co name=value]* [-ot Byte/Int16/Int32/Float32/etc] [-values n,n,n] [-distunits PIXEL/GEO] [-maxdist n] [-nodata n] [-fixed-buf-val n]DescriptionThe gdal_proximity.py script generates a raster proximity map indicating the distance from the center of each pixel to the center of the nearest pixel identified…

gdal_polygonize – gdal_polygonize.py produces a polygon feature layer from a raster Synopsisgdal_polygonize.py [-8] [-nomask] [-mask filename] raster_file [-b band] [-q] [-f ogr_format] out_file [layer] [fieldname]DescriptionThis utility creates vector polygons for all connected regions of pixels in the raster sharing a common pixel value. Each polygon is created with an attribute indicating the pixel value of…

gdal_merge – gdal_merge.py mosaics a set of images Synopsisgdal_merge.py [-o out_filename] [-of out_format] [-co NAME=VALUE]* [-ps pixelsize_x pixelsize_y] [-tap] [-separate] [-v] [-pct] [-ul_lr ulx uly lrx lry] [-n nodata_value] [-init "value [value…]"] [-ot datatype] [-createonly] input_filesDescriptionThis utility will automatically mosaic a set of images. All the images must be in the same coordinate system and…

gdal_grid – gdal_grid creates regular grid from the scattered data Synopsisgdal_grid [-ot {Byte/Int16/UInt16/UInt32/Int32/Float32/Float64/ CInt16/CInt32/CFloat32/CFloat64}] [-of format] [-co "NAME=VALUE"] [-zfield field_name] [-z_increase increase_value] [-z_multiply multiply_value] [-a_srs srs_def] [-spat xmin ymin xmax ymax] [-clipsrc <xmin ymin xmax ymax>|WKT|datasource|spat_extent] [-clipsrcsql sql_statement] [-clipsrclayer layer] [-clipsrcwhere expression] [-l layername]* [-where expression] [-sql select_statement] [-txe xmin xmax] [-tye ymin ymax] [-outsize…

gdal_fillnodata – gdal_fillnodata.py fill raster regions by interpolation from edges Synopsisgdal_fillnodata.py [-q] [-md max_distance] [-si smooth_iterations] [-o name=value] [-b band] srcfile [-nomask] [-mask filename] [-of format] [dstfile]DescriptionThe gdal_fillnodata.py script fills selection regions (usually nodata areas) by interpolating from valid pixels around the edges of the area. Additional details on the algorithm are available in the…

gdal_edit – gdal_edit.py Edit in place various information of an existing GDAL dataset Synopsisgdal_edit [–help-general] [-ro] [-a_srs srs_def] [-a_ullr ulx uly lrx lry] [-tr xres yres] [-unsetgt] [-a_nodata value] [-gcp pixel line easting northing [elevation]]* [-mo "META-TAG=VALUE"]* datasetnameDescriptionThe gdal_edit.py script can be used to allows to edit in place various information of an existing GDAL…

gdal_contour – gdal_contour builds vector contour lines from a raster elevation model SynopsisUsage: gdal_contour [-b <band>] [-a <attribute_name>] [-3d] [-inodata] [-snodata n] [-i <interval>] [-f <formatname>] [[-dsco NAME=VALUE] …] [[-lco NAME=VALUE] …] [-off <offset>] [-fl <level> <level>…] [-nln <outlayername>] <src_filename> <dst_filename> DescriptionThis program generates a vector contour file from the input raster elevation model (DEM)….

gdal_calc – gdal_calc.py Command line raster calculator with numpy syntax Synopsisgdal_calc.py [-A <filename>] [–A_band] [-B…-Z filename] [other_options] Options: -h, –help show this help message and exit –calc=CALC calculation in gdalnumeric syntax using +-/* or any numpy array functions (i.e. logical_and()) -A A input gdal raster file, note you can use any letter A-Z –A_band=A_BAND number…

gdal2tiles – gdal2tiles.py generates directory with TMS tiles, KMLs and simple web viewers Synopsisgdal2tiles.py [-p profile] [-r resampling] [-s srs] [-z zoom] [-e] [-a nodata] [-v] [-h] [-k] [-n] [-u url] [-w webviewer] [-t title] [-c copyright] [-g googlekey] [-b bingkey] input_file [output_dir]DescriptionThis utility generates a directory with small tiles and metadata, following the OSGeo…

gdal-config – gdal-config determines various information about a GDAL installation Synopsisgdal-config [OPTIONS] Options: [–prefix[=DIR]] [–libs] [–cflags] [–version] [–ogr-enabled] [–formats]DescriptionThis utility script (available on Unix systems) can be used to determine various information about a GDAL installation. It is normally just used by configure scripts for applications using GDAL but can be queried by an end…

gda-sql – an SQL console based on Libgda Synopsisgda-sql [–help] [-v] [–version] [-o] [–output-file <filename>] [-C] [–command] [-f] [–commands-file <filename>] [-i] [–interactive] [-l] [–list-dsn] [-L] [–list-providers] [-s] [–http-port <port>] [-t] [–http-token <token phrase>] [–data-files-list] [–data-files-purge <criteria>] [connection’s spec] [connection’s spec…] Descriptiongda-sql is an SQL console based on the Libgda library. It enables you to type…

gda-sql – an SQL console based on Libgda Synopsisgda-sql [–help] [-v] [–version] [-o] [–output-file <filename>] [-C] [–command] [-f] [–commands-file <filename>] [-i] [–interactive] [-l] [–list-dsn] [-L] [–list-providers] [-s] [–http-port <port>] [-t] [–http-token <token phrase>] [–data-files-list] [–data-files-purge <criteria>] [connection’s spec] [connection’s spec…] Descriptiongda-sql is an SQL console based on the Libgda library. It enables you to type…

gda-sql – an SQL console based on Libgda Synopsisgda-sql [–help] [-v] [–version] [-o] [–output-file <filename>] [-C] [–command] [-f] [–commands-file <filename>] [-i] [–interactive] [-l] [–list-dsn] [-L] [–list-providers] [-s] [–http-port <port>] [-t] [–http-token <token phrase>] [–data-files-list] [–data-files-purge <criteria>] [connection’s spec] [connection’s spec…] Descriptiongda-sql is an SQL console based on the Libgda library. It enables you to type…