GDAL/OGRGDAL/OGR

GDAL/OGRGDAL/OGR

GDAL/OGR : Frank WarmerdamGDAL/OGR : Frank Warmerdam

Tools for reading, writing, and processingTools for reading, writing, and processing GDAL - Geospatial Data Abstraction LibraryGDAL - Geospatial Data Abstraction Library

RasterRaster OGR - OpenGIS Simple Features ReferenceOGR - OpenGIS Simple Features Reference

VectorVector

GDAL/OGRGDAL/OGR

Started in 1998 by Frank Warmerdam as a sole Started in 1998 by Frank Warmerdam as a sole developerdeveloper

Now a project under OSGeo's umbrellaNow a project under OSGeo's umbrella

Has ~20 contributing developersHas ~20 contributing developers

A Workhorse for a lot of GIS's!A Workhorse for a lot of GIS's!

Used by many FOSS and proprietary software packagesUsed by many FOSS and proprietary software packages

http://trac.osgeo.org/gdal/wiki/SoftwareUsingGdal

QGIS QGIS ArcGIS ArcGIS

GRASS GISGRASS GIS FMEFME

MapServerMapServer ISRISIISRISI

MapGuideMapGuide GoogleGoogle

OSSIMOSSIM ERDASERDAS

OpenEV OpenEV gvSIGgvSIG

A Workhorse for a lot of GIS's!A Workhorse for a lot of GIS's!

A Workhorse for a lot of A Workhorse for a lot of GIS's!GIS's!

Also available as command line utilities via:Also available as command line utilities via: OsGeoOsGeo FWTools – Frank Warmerdam toolsFWTools – Frank Warmerdam tools

Corporate SponsorsCorporate Sponsors

OGROGRTools for manipulating Tools for manipulating vector datavector data

Over 40 vector data Over 40 vector data formats supportedformats supported

Commandline UtilitiesCommandline Utilitiesogrinfoogrinfo - Lists information about - Lists information about an OGR supported data source an OGR supported data source ogr2ogrogr2ogr - Converts simple - Converts simple features data between file features data between file formats formats ogrtindexogrtindex - Creates a tileindex - Creates a tileindex

OGR Vector Formats

Format Name Code Creation

Arc/Info .E00 (ASCII) Coverage

AVCE00 No

AutoCAD DXF DXF Yes

Comma Separated Value (.csv)

CSV Yes

ESRI Personal GeoDatabase

PGeo No

ESRI ArcSDE SDE No

ESRI Shapefile ESRI Shapefile Yes

GeoRSS GeoRSS Yes

GML GML Yes

GPX GPX Yes

GRASS GRASS No

KML KML Yes

Mapinfo File MapInfo File Yes

Microstation DGN DGN Yes

MySQL MySQL No

Oracle Spatial OCI Yes

EPIInfo .REC REC No

SDTS SDTS No

U.S. Census TIGER/Line TIGER No

GDALGDALTools for manipulating Tools for manipulating raster dataraster data

Over 100 raster data Over 100 raster data formats supportedformats supported

GDAL Raster Formats

Long Format Name Code Creation Georeferencing

Arc/Info ASCII Grid AAIGrid Yes Yes

Microsoft Windows Device Independent Bitmap (.bmp) BMP Yes Yes

ERMapper Compressed Wavelets (.ecw) ECW Yes Yes

Erdas Imagine Raw EIR No Yes

ENVI .hdr Labelled Raster ENVI Yes Yes

Graphics Interchange Format (.gif) GIF Yes NoGRASS Rasters GRASS No Yes

Erdas Imagine (.img) HFA Yes YesJPEG JFIF (.jpg) JPEG Yes Yes

JPEG2000 (.jp2, .j2k) JPEG2000 Yes Yes

JPEG2000 (.jp2, .j2k) JP2MrSID Yes YesPortable Network Graphics (.png) PNG Yes NoArcSDE Raster SDE No Yes

USGS ASCII DEM (.dem) USGSDEM Yes YesGDAL Virtual (.vrt) VRT Yes Yes

OGC Web Coverage Server WCS No Yes

WKTRaster WKTRaster No Yes

OGC Web Map Server WMS No Yes

GDAL Command Line UtilitiesGDAL Command Line Utilities

gdalinfogdalinfo - report information about a file. - report information about a file. gdal_translategdal_translate - Copy a raster file, with control of output - Copy a raster file, with control of output format. format. gdaladdogdaladdo - Add overviews to a file…pyramids - Add overviews to a file…pyramidsgdalwarpgdalwarp - Warp an image into a new coordinate system. - Warp an image into a new coordinate system. gdal_contourgdal_contour - Contours from DEM. - Contours from DEM. gdaldemgdaldem - Tools to analyze and visualize DEMs. - Tools to analyze and visualize DEMs. rgb2pct.pyrgb2pct.py - Convert a 24bit RGB image to 8bit paletted. - Convert a 24bit RGB image to 8bit paletted. pct2rgb.pypct2rgb.py - Convert an 8bit paletted image to 24bit RGB. - Convert an 8bit paletted image to 24bit RGB.

GDAL Command Line UtilitiesGDAL Command Line Utilities

gdal_merge.pygdal_merge.py - Build a quick mosaic from a set of images. - Build a quick mosaic from a set of images. gdal_rasterizegdal_rasterize - Rasterize vectors into raster file. - Rasterize vectors into raster file. gdaltransformgdaltransform - Transform coordinates. - Transform coordinates. nearblacknearblack - Convert nearly black/white borders to exact - Convert nearly black/white borders to exact value. value. gdal_gridgdal_grid - Create raster from the scattered data. - Create raster from the scattered data. gdal_polygonize.pygdal_polygonize.py - Generate polygons from raster. - Generate polygons from raster. gdal_sieve.pygdal_sieve.py - Raster Sieve filter. - Raster Sieve filter. gdal_fillnodata.pygdal_fillnodata.py - Interpolate in nodata regions. - Interpolate in nodata regions. gdal-configgdal-config - Get options required to build software using - Get options required to build software using GDAL. GDAL.

GDAL / OGR UtilitiesGDAL / OGR Utilities

Often used programmaticallyOften used programmatically Batch geoprocessing scriptsBatch geoprocessing scripts Background processing for web mapping appsBackground processing for web mapping apps Incorporated into scripts for larger workflowsIncorporated into scripts for larger workflows

AvailabilityAvailabilityPackagesPackages

FWToolsFWTools

OSGeo4WOSGeo4W

DesktopsDesktops

Used by QGIS, GRASS, etc.Used by QGIS, GRASS, etc.

Operating SystemsOperating Systems

Windows (32 & 64 bit), MAX OS X, LinuxWindows (32 & 64 bit), MAX OS X, Linux

Support/Support/HelpHelp

ListserveListserve

WikiWiki

Code SnippetsCode Snippets

Support/Support/HelpHelp

Utility Utility DocumentationDocumentation

In Class GDAL/OGR ExerciseIn Class GDAL/OGR Exercise