QGIS User Guide Release 2.6 QGIS Project
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QGIS User Guide Release 2.6 QGIS Project 22.05.2015 Sisältö 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............................................. 11 5 What’s new in QGIS 2.6 13 5.1 Application and Project Options................................... 13 5.2 Data Providers............................................ 13 5.3 Map Composer............................................ 13 5.4 QGIS Server............................................. 14 5.5 Symbology.............................................. 14 5.6 User Interface............................................ 14 6 Getting Started 15 6.1 Asennus............................................... 15 6.2 Sample Data............................................. 15 6.3 Sample Session............................................ 16 6.4 Starting and Stopping QGIS..................................... 17 6.5 Command Line Options....................................... 17 6.6 Projects................................................ 19 6.7 Output................................................ 19 7 QGIS GUI 21 7.1 Menu Bar............................................... 22 7.2 Toolbar................................................ 27 7.3 Map Legend............................................. 27 7.4 Map View.............................................. 30 7.5 Status Bar............................................... 30 i 8 General Tools 31 8.1 Keyboard shortcuts.......................................... 31 8.2 Context help............................................. 31 8.3 Rendering.............................................. 31 8.4 Measuring.............................................. 33 8.5 Identify features........................................... 35 8.6 Decorations.............................................. 36 8.7 Annotation Tools........................................... 38 8.8 Spatial Bookmarks.......................................... 39 8.9 Nesting Projects........................................... 41 9 QGIS Configuration 43 9.1 Panels and Toolbars......................................... 43 9.2 Project Properties........................................... 44 9.3 Options................................................ 44 9.4 Customization............................................ 52 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 Työskentely vektoridatalla 63 12.1 Tuetut datan formaatit........................................ 63 12.2 The Symbol Library......................................... 75 12.3 The Vector Properties Dialog.................................... 79 12.4 Expressions.............................................. 105 12.5 Editing................................................ 112 12.6 Query Builder............................................ 129 12.7 Field Calculator........................................... 130 13 Working with Raster Data 133 13.1 Working with Raster Data...................................... 133 13.2 Raster Properties Dialog....................................... 134 13.3 Raster Calculator........................................... 142 14 Working with OGC Data 145 14.1 QGIS as OGC Data Client...................................... 145 14.2 QGIS as OGC Data Server...................................... 154 15 Working with GPS Data 159 15.1 GPS Plugin.............................................. 159 15.2 Live GPS tracking.......................................... 163 16 GRASS GIS Integration 169 16.1 Starting the GRASS plugin..................................... 169 16.2 Loading GRASS raster and vector layers.............................. 170 16.3 GRASS LOCATION and MAPSET................................. 170 16.4 Importing data into a GRASS LOCATION............................. 172 16.5 The GRASS vector data model................................... 173 16.6 Creating a new GRASS vector layer................................. 174 16.7 Digitizing and editing a GRASS vector layer............................ 174 16.8 The GRASS region tool....................................... 177 16.9 The GRASS Toolbox......................................... 177 ii 17 QGIS processing framework 187 17.1 Introduction............................................. 187 17.2 The toolbox.............................................. 188 17.3 The graphical modeler........................................ 197 17.4 The batch processing interface.................................... 203 17.5 Using processing algorithms from the console........................... 205 17.6 The history manager......................................... 210 17.7 Writing new Processing algorithms as python scripts........................ 211 17.8 Handing data produced by the algorithm.............................. 213 17.9 Communicating with the user.................................... 213 17.10 Documenting your scripts...................................... 213 17.11 Example scripts........................................... 214 17.12 Best practices for writing script algorithms............................. 214 17.13 Pre- and post-execution script hooks................................. 214 17.14 Configuring external applications.................................. 214 17.15 The QGIS Commander........................................ 221 18 Processing providers and algorithms 223 18.1 GDAL algorithm provider...................................... 223 18.2 LAStools............................................... 256 18.3 Modeler Tools............................................ 281 18.4 OrfeoToolbox algorithm provider.................................. 283 18.5 QGIS algorithm provider....................................... 358 18.6 R algorithm provider......................................... 412 18.7 SAGA algorithm provider...................................... 422 18.8 TauDEM algorithm provider..................................... 593 19 Print Composer 625 19.1 First steps............................................... 626 19.2 Rendering mode........................................... 630 19.3 Composer Items........................................... 631 19.4 Manage items............................................. 653 19.5 Revert and Restore tools....................................... 654 19.6 Atlas generation........................................... 656 19.7 Creating Output........................................... 658 19.8 Manage the Composer........................................ 659 20 Plugins 661 20.1 QGIS Plugins............................................. 661 20.2 Using QGIS Core Plugins...................................... 665 20.3 Coordinate Capture Plugin...................................... 665 20.4 DB Manager Plugin......................................... 666 20.5 Dxf2Shp Converter Plugin...................................... 667 20.6 eVis Plugin.............................................. 668 20.7 fTools Plugin............................................. 678 20.8 GDAL Tools Plugin......................................... 681 20.9 Georeferencer Plugin......................................... 684 20.10 Interpolointiliitännäinen....................................... 688 20.11 Offline Editing Plugin........................................ 689 20.12 Oracle Spatial GeoRaster Plugin................................... 690 20.13 Raster Terrain Analysis Plugin.................................... 692 20.14 Heatmap Plugin........................................... 693 20.15 MetaSearch Catalogue Client.................................... 696 20.16 Road Graph Plugin.......................................... 700 20.17 Spatial Query Plugin......................................... 701 20.18 SPIT Plugin............................................. 702 20.19 SQL Anywhere Plugin........................................ 703 20.20 Topology Checker Plugin...................................... 703 20.21 Zonal Statistics Plugin........................................ 707 iii 21 Help and Support 709 21.1 Mailing lists............................................. 709 21.2 IRC.................................................. 710 21.3 BugTracker.............................................. 710 21.4 Blog................................................. 711 21.5 Plugins................................................ 711 21.6 Wiki................................................. 711 22 Appendix 713 22.1 GNU General Public License.................................... 713 22.2 GNU Free Documentation License................................