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Learning QGIS.
This book is great for users, developers, and consultants who know the basic functions and processes of GIS but want to learn to use QGIS to analyze geospatial data and create rich mapping applications. If you want to take advantage of the wide range of functionalities that QGIS offers, then this is...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Birmingham :
Packt Publishing,
2014.
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| Edición: | 2nd ed. |
| Colección: | Community experience distilled.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- 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 progressDeveloping 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.