23. QGIS processing framework

• 23.1. Introduction
• 23.2. Configuring the Processing Framework
• 23.3. The Toolbox
  • 23.3.1. The algorithm dialog
  • 23.3.2. Data objects generated by algorithms
• 23.4. The history manager
  • 23.4.1. The processing history
  • 23.4.2. The processing log
• 23.5. The graphical modeler
  • 23.5.1. Definition of inputs
  • 23.5.2. Definition of the workflow
  • 23.5.3. Definition of Model Variables
  • 23.5.4. Interacting with the canvas and elements
  • 23.5.5. Saving and loading models
  • 23.5.6. Editing a model
  • 23.5.7. Editing model help files and meta-information
  • 23.5.8. Exporting a model as a Python script
  • 23.5.9. About available algorithms
• 23.6. The batch processing interface
  • 23.6.1. Introduction
  • 23.6.2. The parameters table
  • 23.6.3. Filling the parameters table
  • 23.6.4. Executing the batch process
• 23.7. Using processing algorithms from the console
  • 23.7.1. Calling algorithms from the Python console
  • 23.7.2. Creating scripts and running them from the toolbox
  • 23.7.3. Pre- and post-execution script hooks
• 23.8. Using processing from the command line
• 23.9. Writing new Processing algorithms as Python scripts
  • 23.9.1. Extending QgsProcessingAlgorithm
  • 23.9.2. The @alg decorator
  • 23.9.3. Input and output types for Processing Algorithms
  • 23.9.4. Handing algorithm output
  • 23.9.5. Communicating with the user
  • 23.9.6. Documenting your scripts
  • 23.9.7. Flags
  • 23.9.8. Best practices for writing script algorithms
• 23.10. Configuring external applications
  • 23.10.1. A note for Windows users
  • 23.10.2. A note on file formats
  • 23.10.3. A note on vector layer selections
  • 23.10.4. SAGA
  • 23.10.5. R scripts
  • 23.10.6. R libraries
  • 23.10.7. GRASS
  • 23.10.8. LAStools
  • 23.10.9. OTB Applications