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Practical GIS

You're reading from   Practical GIS Learn novice to advanced topics such as QGIS, Spatial data analysis, and more

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Product type Paperback
Published in Jun 2017
Publisher Packt
ISBN-13 9781787123328
Length 428 pages
Edition 1st Edition
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Author (1):
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G√°bor Farkas G√°bor Farkas
Author Profile Icon G√°bor Farkas
G√°bor Farkas
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Table of Contents (15) Chapters Close

Preface 1. Setting Up Your Environment FREE CHAPTER 2. Accessing GIS Data With QGIS 3. Using Vector Data Effectively 4. Creating Digital Maps 5. Exporting Your Data 6. Feeding a PostGIS Database 7. A PostGIS Overview 8. Spatial Analysis in QGIS 9. Spatial Analysis on Steroids - Using PostGIS 10. A Typical GIS Problem 11. Showcasing Your Data 12. Styling Your Data in GeoServer 13. Creating a Web Map Appendix

Preparing a map

In this example, we will create our first real map, a road map of our study area. We will start by a hybrid map like the one we can see in Google Maps by changing to satellite imagery. For this task, we will need the roads layer from the OSM dataset (gis.osm_roads_free_1), the rivers layer (gis.osm_waterways_free_1), the water bodies (gis.osm_water_a_free_1), and the land-use layer (gis.osm_landuse_a_free_1). We will also need the GeoNames and the administrative boundaries layer. First of all, to speed up our work, let's extract only the relevant features. We should do the following steps to every vector layer except the administrative boundaries. If some of your layers are not that large, you can skip these steps for those layers:

  1. Add the layer from the Browser Panel, or with the Add Vector Layer tool.
  2. Open the layer's Properties window, go to the General...
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