Release 2.2 QGIS Project
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QGIS User Guide Release 2.2 QGIS Project December 04, 2014 Contents 1 Preamble 3 2 Conventions 5 2.1 GUI Conventions...........................................5 2.2 Text or Keyboard Conventions....................................5 2.3 Platform-specific instructions....................................6 3 Foreword 7 4 Features 9 4.1 View data...............................................9 4.2 Explore data and compose maps...................................9 4.3 Create, edit, manage and export data................................. 10 4.4 Analyse data............................................. 10 4.5 Publish maps on the Internet..................................... 10 4.6 Extend QGIS functionality through plugins............................. 10 4.7 Python Console............................................ 11 4.8 Known Issues............................................. 12 5 What’s new in QGIS 2.2 13 5.1 Application and Project Options................................... 13 5.2 Data Providers............................................ 13 5.3 Digitising............................................... 13 5.4 General................................................ 14 5.5 Map Composer............................................ 14 5.6 QGIS Server............................................. 15 5.7 Symbology.............................................. 15 5.8 User Interface............................................ 16 6 Getting Started 17 6.1 Installation.............................................. 17 6.2 Sample Data............................................. 17 6.3 Sample Session............................................ 18 6.4 Starting and Stopping QGIS..................................... 19 6.5 Command Line Options....................................... 19 6.6 Projects................................................ 21 6.7 Output................................................ 21 7 QGIS GUI 23 7.1 Menu Bar............................................... 24 7.2 Toolbar................................................ 29 7.3 Map Legend............................................. 29 7.4 Map View.............................................. 32 i 7.5 Status Bar............................................... 32 8 General Tools 33 8.1 Keyboard shortcuts.......................................... 33 8.2 Context help............................................. 33 8.3 Rendering.............................................. 33 8.4 Measuring.............................................. 35 8.5 Identify features........................................... 36 8.6 Decorations.............................................. 38 8.7 Annotation Tools........................................... 40 8.8 Spatial Bookmarks.......................................... 41 8.9 Nesting Projects........................................... 42 9 QGIS Configuration 45 9.1 Panels and Toolbars......................................... 45 9.2 Project Properties........................................... 46 9.3 Options................................................ 47 9.4 Customization............................................ 54 10 Working with Projections 55 10.1 Overview of Projection Support................................... 55 10.2 Global Projection Specification................................... 55 10.3 Define On The Fly (OTF) Reprojection............................... 57 10.4 Custom Coordinate Reference System................................ 58 10.5 Default datum transformations.................................... 59 11 QGIS Browser 61 12 Working with Vector Data 63 12.1 Supported Data Formats....................................... 63 12.2 The Vector Properties Dialog.................................... 75 12.3 Editing................................................ 102 12.4 Query Builder............................................ 119 12.5 Field Calculator........................................... 121 13 Working with Raster Data 127 13.1 Working with Raster Data...................................... 127 13.2 Raster Properties Dialog....................................... 128 13.3 Raster Calculator........................................... 136 14 Working with OGC Data 139 14.1 QGIS as OGC Data Client...................................... 139 14.2 QGIS as OGC Data Server...................................... 148 15 Working with GPS Data 153 15.1 GPS Plugin.............................................. 153 15.2 Live GPS tracking.......................................... 157 16 GRASS GIS Integration 163 16.1 Starting the GRASS plugin..................................... 163 16.2 Loading GRASS raster and vector layers.............................. 164 16.3 GRASS LOCATION and MAPSET................................. 164 16.4 Importing data into a GRASS LOCATION............................. 166 16.5 The GRASS vector data model................................... 167 16.6 Creating a new GRASS vector layer................................. 168 16.7 Digitizing and editing a GRASS vector layer............................ 168 16.8 The GRASS region tool....................................... 171 16.9 The GRASS Toolbox......................................... 171 ii 17 QGIS processing framework 181 17.1 Introduction............................................. 181 17.2 The toolbox.............................................. 182 17.3 The graphical modeler........................................ 191 17.4 The batch processing interface.................................... 198 17.5 Using processing algorithms from the console........................... 200 17.6 The history manager......................................... 205 17.7 Configuring external applications.................................. 206 17.8 The SEXTANTE Commander.................................... 212 18 Print Composer 215 18.1 First steps............................................... 216 18.2 Rendering mode........................................... 219 18.3 Composer Items........................................... 220 18.4 Manage items............................................. 235 18.5 Revert and Restore tools....................................... 237 18.6 Atlas generation........................................... 237 18.7 Creating Output........................................... 239 18.8 Manage the Composer........................................ 240 19 Plugins 243 19.1 QGIS Plugins............................................. 243 19.2 Using QGIS Core Plugins...................................... 247 19.3 Coordinate Capture Plugin...................................... 247 19.4 DB Manager Plugin......................................... 248 19.5 Dxf2Shp Converter Plugin...................................... 249 19.6 eVis Plugin.............................................. 250 19.7 fTools Plugin............................................. 259 19.8 GDAL Tools Plugin......................................... 262 19.9 Georeferencer Plugin......................................... 265 19.10 Interpolation Plugin......................................... 269 19.11 Offline Editing Plugin........................................ 270 19.12 Oracle Spatial GeoRaster Plugin................................... 271 19.13 Raster Terrain Analysis Plugin.................................... 273 19.14 Heatmap Plugin........................................... 274 19.15 Road Graph Plugin.......................................... 277 19.16 Spatial Query Plugin......................................... 279 19.17 SPIT Plugin............................................. 281 19.18 SQL Anywhere Plugin........................................ 281 19.19 Topology Checker Plugin...................................... 282 19.20 Zonal Statistics Plugin........................................ 284 20 Help and Support 287 20.1 Mailing lists............................................. 287 20.2 IRC.................................................. 288 20.3 BugTracker.............................................. 288 20.4 Blog................................................. 289 20.5 Plugins................................................ 289 20.6 Wiki................................................. 289 21 Appendix 291 21.1 GNU General Public License.................................... 291 21.2 GNU Free Documentation License................................. 294 22 Literature and Web References 301 Index 303 iii iv QGIS User Guide, Release 2.2 . Contents 1 QGIS User Guide, Release 2.2 2 Contents CHAPTER 1 Preamble This document is the original user guide of the described software QGIS. The software and hardware described in this document are in most cases registered trademarks and are therefore subject to legal requirements. QGIS is subject to the GNU General Public License. Find more information on the QGIS homepage, http://www.qgis.org. The details, data, and results in this document have been written and verified to the best of the knowledge and responsibility of the authors and editors. Nevertheless, mistakes concerning the content are possible. Therefore, data are not liable to any duties or guarantees. The authors, editors and publishers do not take any responsibility or liability for failures and their consequences. You are always welcome to report possible mistakes. This document has been typeset with reStructuredText. It is available as reST source code via github and online as HTML and PDF via http://www.qgis.org/en/docs/. Translated versions of this document can be downloaded in several formats via the documentation area of the