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Building Mapping Applications with QGIS.
Annotation
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Packt Publishing,
2014.
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| Colección: | Community Experienced 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; About QGIS; Installing and running QGIS; Understanding QGIS concepts; Linking QGIS and Python; Exploring the Python Console; Examining a Python plugin; Writing an external application; Summary; Chapter 2: The QGIS Python Console; Using the console; Working with geospatial data in the console; Scripting the QGIS user interface; The status bar; The message bar; Progress indicators; QGIS logging; Custom dialogs and windows; Summary.
- Chapter 3: Learning the QGIS Python APIAbout the QGIS Python APIs; Deciphering the C++ documentation; Organization of the QGIS Python libraries; The qgis.core package; Maps and map layers; Coordinate reference systems; Vector layers; Raster layers; Other useful qgis.core classes; The qgis.gui package; The QgisInterface class; The QgsMapCanvas class; The QgsMapCanvasItem class; The QgsMapTool class; Other useful qgis.gui classes; Using the PyQGIS library; Analyzing raster data; Manipulating vector data and saving it to a shapefile; Using different symbols for different features within a map.
- Calculating the distance between two user-defined pointsSummary; Chapter 4: Creating QGIS Plugins; Getting ready; Understanding the QGIS plugin architecture; Creating a simple plugin; The plugin development process; Using the Plugin Builder; Automating the build process; Plugin help files; Unit testing; Distributing your plugin; Writing a useful plugin; Plugin possibilities and limitations; Summary; Chapter 5: Using QGIS in an External Application; Introducing Lex; Getting the data; Designing the application; Creating the application's framework; Adding the user interface.
- Connecting the actionsCreating the map canvas; Labeling the points; Filtering the landmarks; Implementing the zoom tool; Implementing the pan tool; Implementing the explore mode; Further improvements and enhancements; Summary; Chapter 6: Mastering the QGIS Python API; Working with symbol layers; Combining symbol layers; Implementing symbol layers in Python; Implementing renderers in Python; Working with custom map layers; Creating custom map canvas items; Using memory-based layers; Summary; Chapter 7: Selecting and Editing Features in a PyQGIS Application; Working with selections.
- Using the layer editing modeAdding Points; Editing Points; Deleting Points and other features; Adding lines and polygons; Editing lines and polygons; Summary; Chapter 8: Building a Complete Mapping Application using Python and QGIS; Introducing ForestTrails; Designing the ForestTrails application; Creating the application; Laying out the application; Defining the toolbar icons; The constants.py module; The forestTrails.py module; The mapTools.py module; The ui_mainWindow.py module; Running the application; Obtaining the basemap; Defining the map layers; Defining the map renderers.