Learning QGIS use QGIS to create great maps and perform all the geoprocessing tasks you need
Cover; Copyright; Credits; About the Author; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Getting Started with QGIS; Installing QGIS; Installing QGIS on Windows; QGIS on Ubuntu; Running QGIS for the first time; Introducing the QGIS user interface; Summary; Chapter 2:...
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| Format: | UnknownFormat |
| Sprache: | eng |
| Veröffentlicht: |
Birmingham u.a.
Packt Publ.
2014
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| Ausgabe: | 2. ed. |
| Schriftenreihe: | Open source - community experience destilled
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Tag hinzufügen | Zusammenfassung: | Cover; Copyright; Credits; About the Author; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Getting Started with QGIS; Installing QGIS; Installing QGIS on Windows; QGIS on Ubuntu; Running QGIS for the first time; Introducing the QGIS user interface; Summary; Chapter 2: Viewing Spatial Data; Loading vector data from files; Dealing with coordinate reference systems; Loading raster files; Georeferencing raster maps; Loading data from databases; Loading data from OGC Web Services; Styling raster layers; Styling vector layers Creating point styles - an example of an airport styleCreating line styles - an example of river or road styles; Creating polygon styles - an example of a landmass style; Loading background maps; Summary; Chapter 3: Data Creation and Editing; Creating new vector layers; Working with feature selection tools; Editing vector geometries; Using the measuring tools; Editing attributes; Editing attributes in the attribute table; Editing attributes in the feature form; Calculating new attribute values; Reprojecting and converting vector and raster data; Joining tabular data; Summary Chapter 4: Spatial AnalysisClipping rasters; Analyzing elevation / terrain data; Raster calculator; Converting between rasters and vectors; Accessing the raster and vector layer statistics; Creating a heatmap from points; Vector geoprocessing using Processing; Identifying features in the proximity of others; Raster sampling at point locations; Mapping density with hexagonal grids; Calculating area shares within a region; Automated geoprocessing with the graphical modeler; Leveraging the power of spatial databases; Summary; Chapter 5: Creating Great Maps; Advanced vector styling Creating a graduated style with size scalingUsing categorized styles; Creating a rule-based style for road layers; Creating data-defined symbology; Labeling; Designing print maps; Creating a basic map; Adding advanced map items; Creating map series using the Atlas feature; Summary; Chapter 6: Extending QGIS with Python; Getting to know the Python console; Loading and exploring datasets; Styling layers; Filtering data; Creating a memory layer; Exporting map images; Creating custom geoprocessing scripts using Python; Writing our first processing script; Writing a script with vector layer output Visualizing the script progress; Developing your first plugin; Creating the plugin template with Plugin Builder; Customizing the plugin GUI; Implementing the plugin functionality; Creating a custom map tool; Summary; Index |
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| Beschreibung: | 156 S. |
| ISBN: | 9781784392031 978-1-78439-203-1 |