TRD 05: Data Presentation techniques (Mapping) Quantum GIS ...

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8.7 Creating new vectors Figure 16: Module generated through parsing the XML-file like to assign attributes to your digitized object. Go to the table tab inside the digitize window. • If you plan to create to polygon layer, consider setting the mode to No category. Then start digitizing the boundaries which actually do not need an entry in the attribute table. If you have done this, change back to Next not used and start digitizing the centroids, which hold the attribute information of a polygon. QGIS 0.8 User Guide 61
9. Map Composer The map composer is a feature that provides improved layout and printing capabilities. The composer allows you to add elements such as the QGIS map canvas, legend, scalebar, images, and text. You can size and position each item and adjust the properties to create your layout. The result can be printed, exported as an image, or exported to SVG. To access the map composer, click on the Print button in the toolbar or choose Print from the File menu. 9.1. Using Map Composer To use the map composer, first add the layers you want to print to QGIS. The layers should be rendered and symbolized to your liking prior to composing the map. Opening the map composer provides you with a blank canvas to which you can add the current map view, legend, scalebar, and text. Figure 17 shows the initial view of the map composer before any elements are added. The map composer has two tabs: General and Item. The General tab allows you to set the paper size, orientation, and resolution for the map. The Item tab displays the properties for the currently selected map element. By selecting an element on the map (eg. legend, scalebar, text, etc.) and clicking on the Item tab, you can customize the settings. You can add multiple elements to the composer. This allows you to have more than one map view and legend in the composer. Each element has its own properties and in the case of the map, its own extent. 9.1.1. Adding a Map to the Composer To add the QGIS map canvas to the map composer, click on the Add a new map button in toolbar. Drag a rectangle on the composer canvas to add the map. You can resize the map later by clicking on the Select/move item button, clicking on the map, and dragging one of the handles in the corner of the map. With the map selected, you can also resize the map by specifying the width and height on the Item properties tab. The map is linked to the QGIS map canvas. If you change the view on the map canvas by zooming or panning, you can update the map composer view by selecting the map in composer and clicking on the Set Extent button. You can also change the composer view by specifying a map scale. To set the view to a specific scale: QGIS 0.8 User Guide 62
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THE REGIONAL TRAINING WORKSHOP ON L
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Contents Contents Title Table of Co
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Contents 6. Working with OGC Data 4
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Contents E. Dependencies 95 E.1. Pr
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List of Tables List of Tables 1. Po
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1.2 Whats New in 0.8 9. Label featu
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2.1 Why is all this so new? 2.1. Wh
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3. Getting Started This chapter giv
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3.4 QGIS GUI 3.4. QGIS GUI When QGI
Page 19 and 20: 3.4 QGIS GUI - Add a PostGIS Layer
Page 21 and 22: 3.5 Rendering overview have been se
Page 23 and 24: 3.6 Measuring features are read fro
Page 25 and 26: 3.9 Spatial Bookmarks $HOME/.config
Page 27 and 28: 4. Working with Vector Data QGIS su
Page 29 and 30: 4.1 ESRI Shapefiles Figure 4: QGIS
Page 31 and 32: 4.2 PostGIS Layers Name Host Databa
Page 33 and 34: 4.2 PostGIS Layers SPIT Plugin QGIS
Page 35 and 36: 4.3 The Vector Properties Dialog Gr
Page 37 and 38: 4.5 Editing 4.4.2. Using Actions Ac
Page 39 and 40: 4.5 Editing Tip 12 CONCURRENT EDITS
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Page 43 and 44: 4.6 Query Builder To complete the c
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Page 47 and 48: 5.4 Raster Properties • Collapse
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Page 55 and 56: 6.2 WMS Client Each WMS Layer can b
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Page 75 and 76: 10. Using Plugins 10.1. An Introduc
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Page 95 and 96: B. GNU Public License GNU GENERAL P
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Page 101 and 102: C. Installation The described proce
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Page 105 and 106: E.2 GEOS E.2. GEOS Note: As of vers
Page 107 and 108: E.4 PostGIS psql test select versio
Page 109 and 110: E.7 GRASS 5. Build and install GDAL
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Page 113 and 114: F.2 Configuring QGIS the right way
Page 115 and 116: Literature Web-References [1] GEOS.
Page 117 and 118: Index measure, 14 measure:areas, 14
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