22. QGIS processing framework

• 22.1. Introduction
• 22.2. Configuring the Processing Framework
• 22.3. The Toolbox
  • 22.3.1. The algorithm dialog
  • 22.3.2. Data objects generated by algorithms
• 22.4. The history manager
  • 22.4.1. The processing history
  • 22.4.2. The processing log
• 22.5. The graphical modeler
  • 22.5.1. Definition of inputs
  • 22.5.2. Definition of the workflow
  • 22.5.3. Interacting with the canvas and elements
  • 22.5.4. Saving and loading models
  • 22.5.5. Editing a model
  • 22.5.6. Editing model help files and meta-information
  • 22.5.7. Exporting a model as a Python script
  • 22.5.8. About available algorithms
• 22.6. The batch processing interface
  • 22.6.1. Introduction
  • 22.6.2. The parameters table
  • 22.6.3. Filling the parameters table
  • 22.6.4. Executing the batch process
• 22.7. Using processing algorithms from the console
  • 22.7.1. Calling algorithms from the Python console
  • 22.7.2. Creating scripts and running them from the toolbox
  • 22.7.3. Pre- and post-execution script hooks
• 22.8. Writing new Processing algorithms as Python scripts
  • 22.8.1. Extending QgsProcessingAlgorithm
  • 22.8.2. The @alg decorator
  • 22.8.3. Input and output types for Processing Algorithms
  • 22.8.4. Handing algorithm output
  • 22.8.5. Communicating with the user
  • 22.8.6. Documenting your scripts
  • 22.8.7. Flags
  • 22.8.8. Best practices for writing script algorithms
• 22.9. Configuring external applications
  • 22.9.1. A note for Windows users
  • 22.9.2. A note on file formats
  • 22.9.3. A note on vector layer selections
  • 22.9.4. SAGA
  • 22.9.5. R scripts
  • 22.9.6. R libraries
  • 22.9.7. GRASS
  • 22.9.8. LAStools
  • 22.9.9. OTB Applications