6. Creating Custom Geoprocessing Tools
by Eric Pimpler
Programming ArcGIS with Python Cookbook - Second Edition
- Programming ArcGIS with Python Cookbook Second Edition
- Table of Contents
- Programming ArcGIS with Python Cookbook Second Edition
- Credits
- About the Author
- About the Reviewers
- www.PacktPub.com
- Preface
- 1. Fundamentals of the Python Language for ArcGIS
- 2. Managing Map Documents and Layers
- Introduction
- Referencing the current map document
- Referencing map documents on a disk
- Getting a list of layers in a map document
- Restricting the list of layers
- Zooming in to selected features
- Changing the map extent
- Adding layers to a map document
- Inserting layers into a map document
- Updating layer symbology
- Updating layer properties
- Working with time-enabled layers in a data frame
- 3. Finding and Fixing Broken Data Links
- Introduction
- Finding broken data sources in your map document and layer files
- Fixing broken data sources with MapDocument.findAndReplaceWorkspacePaths()
- Fixing broken data sources with MapDocument.replaceWorkspaces()
- Fixing individual layer and table objects with replaceDataSource()
- Finding broken data sources in all map documents in a folder
- 4. Automating Map Production and Printing
- Introduction
- Creating a list of layout elements
- Assigning a unique name to layout elements
- Restricting the layout elements returned by ListLayoutElements()
- Updating the properties of layout elements
- Getting a list of available printers
- Printing maps with PrintMap()
- Exporting a map to a PDF file
- Exporting a map to an image file
- Exporting a report
- Building a map book with Data Driven Pages and ArcPy mapping
- Publishing a map document to an ArcGIS Server service
- 5. Executing Geoprocessing Tools from Scripts
- 6. Creating Custom Geoprocessing Tools
- 7. Querying and Selecting Data
- 8. Using the ArcPy Data Access Module with Feature Classes and Tables
- Introduction
- Retrieving features from a feature class with SearchCursor
- Filtering records with a where clause
- Improving cursor performance with geometry tokens
- Inserting rows with InsertCursor
- Updating rows with UpdateCursor
- Deleting rows with UpdateCursor
- Inserting and updating rows inside an edit session
- Reading geometry from a feature class
- Using Walk() to navigate directories
- 9. Listing and Describing GIS Data
- 10. Customizing the ArcGIS Interface with Add-ins
- 11. Error Handling and Troubleshooting
- 12. Using Python for Advanced ArcGIS
- Introduction
- Getting started with the ArcGIS REST API
- Making HTTP requests and parsing the response with Python
- Getting layer information with the ArcGIS REST API and Python
- Exporting a map with the ArcGIS REST API and Python
- Querying a map service with the ArcGIS REST API and Python
- Geocoding with the Esri World Geocoding Service
- Using FieldMap and FieldMappings
- Using a ValueTable to provide multivalue input to a tool
- 13. Using Python with ArcGIS Pro
- A. Automating Python Scripts
- B. Five Python Recipes Every GIS Programmer Should Know
- Index
In this chapter, we will cover the following recipes:
- Creating a custom geoprocessing tool
- Creating a Python toolbox
In addition to accessing the system tools provided by ArcGIS, you can also create your own custom tools. These tools work in the same way as system tools and can be used in ModelBuilder, a Python window, or standalone Python scripts. Many organizations build their own library of tools that perform geoprocessing operations specific to their data.
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