SysTutorials Posts

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…

gda-config-tool-3.0 – Tool for managing libgda configuration file. Synopsisgda-config-tool-3.0 [OPTIONS] DescriptionThe gda-config-tool-3.0 program can be used create/edit/remove a libgda provider. It can be used both as a command line program and an interactive program. OptionsThe following options are supported: -?, –help Displays command line options. –usage Display brief usage message. –l, –list-providers Lists installed providers….

GCstar – Personal collection manager Synopsisgcstar [-u UPDATE-OPTIONS] [-x EXECUTE-OPTIONS] [FILENAME] DescriptionGCstar is a Gtk2 program used to manage personal collections. OptionsWithout any option, it will open FILENAME if specified or the previously opened file. There are also two groups of options. Update-Options-u, –update Tell GCstar to look for available updates -a, –all Update all…

gcrystal – light model visualizer for crystal structures Synopsis gcrystal [OPTION(S)…] [FILE…]Descriptiongcrystal is a light model visualizer for crystal structures, based on the GNOME Chemistry Utils, that displays models of all sorts of crystal microscopic structures using OpenGL. OptionsThe following options are accepted: -?, –help Show application help options. –help-all, –help-* Print all or just…

gcov – coverage testing tool Synopsisgcov [-v|–version] [-h|–help]   [-a|–all-blocks]   [-b|–branch-probabilities]   [-c|–branch-counts]   [-n|–no-output]   [-l|–long-file-names]   [-p|–preserve-paths]   [-f|–function-summaries]   [-o|–object-directory directory|file] sourcefiles   [-u|–unconditional-branches] Descriptiongcov is a test coverage program. Use it in concert with GCC to analyze your programs to help create more efficient, faster running code and to discover untested parts of your program. You can use gcov as a…

gcov2perl – convert gcov files to Devel::Cover databases Versionversion 1.03 Synopsis gcov2perl -h -i -v -db database gcov_filesDescriptionConvert gcov files to Devel::Cover databases. OptionsThe following command line options are supported: -db database – specify the database to use -h -help – show help -i -info – show documentation -v -version – show versionDetailsTo obtain coverage…

gcov – coverage testing tool Synopsisgcov [-v|–version] [-h|–help]      [-a|–all-blocks]      [-b|–branch-probabilities]      [-c|–branch-counts]      [-d|–display-progress]      [-f|–function-summaries]      [-j|–json-format]      [-H|–human-readable]      [-k|–use-colors]      [-l|–long-file-names]      [-m|–demangled-names]      [-n|–no-output]      [-o|–object-directory directory|file]      [-p|–preserve-paths]      [-q|–use-hotness-colors]      [-r|–relative-only]      [-s|–source-prefix directory]      [-t|–stdout]      [-u|–unconditional-branches]      [-x|–hash-filenames]      files Descriptiongcov is a test coverage program. Use it in concert with GCC to analyze your programs to help create more efficient, faster running code and to discover…