更新时间：2021-08-06 19:44:42
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Building Mapping Applications with QGIS
Credits
About the Author
About the Reviewers
www.PacktPub.com
Support files eBooks discount offers and more
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Chapter 1. Getting Started with QGIS
About QGIS
Linking QGIS and Python
Summary
Chapter 2. The QGIS Python Console
Using the console
Working with geospatial data in the console
Scripting the QGIS user interface
Chapter 3. Learning the QGIS Python API
About the QGIS Python APIs
Deciphering the C++ documentation
Organizing the QGIS Python libraries
Using the PyQGIS library
Chapter 4. Creating QGIS Plugins
Getting ready
Understanding the QGIS plugin architecture
Creating a simple plugin
The plugin development process
Writing a useful plugin
Possibilities and limitations of plugins
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 actions
Creating 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
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
Chapter 7. Selecting and Editing Features in a PyQGIS Application
Working with selections
Using the layer editing mode
Adding Points
Editing Points
Deleting Points and other features
Adding lines and polygons
Editing lines and polygons
Chapter 8. Building a Complete Mapping Application using Python and QGIS
Introducing ForestTrails
Designing the ForestTrails application
Creating the application
Obtaining the basemap
Defining the map layers
Defining the map renderers
The Pan Tool
Implementing the track editing mode
Chapter 9. Completing the ForestTrails Application
The Add Track map tool
Testing the application
Vertex snapping
The Edit Track map tool
The Delete Track map tool
The Get Info map tool
The Set Start Point and Set End Point actions
The Find Shortest Path action
Adjusting the toolbar actions
Suggested improvements
Index
