Book Image

Programming ArcGIS with Python Cookbook, Second Edition

By : Donald Eric Pimpler, Eric Pimpler
Book Image

Programming ArcGIS with Python Cookbook, Second Edition

By: Donald Eric Pimpler, Eric Pimpler

Overview of this book

Table of Contents (22 chapters)
Programming ArcGIS with Python Cookbook Second Edition
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Getting a list of fields in a feature class or table


Feature classes and tables contain one or more columns of attribute information. You can get a list of the fields in a feature class through the ListFields() function.

Getting ready

The ListFields() function returns a list containing individual Field objects for each field in a feature class or table. Some functions, such as ListFields() and ListIndexes(), require an input dataset to operate on. You can use a wildcard or field type to constrain the list that is returned. Each Field object contains various read-only properties including Name, AliasName, Type, Length, and others.

How to do it…

Follow these steps to learn how to return a list of fields in a feature class.

  1. Open IDLE and create a new script window.

  2. Save the script as C:\ArcpyBook\Ch9\ListOfFields.py.

  3. Import the arcpy module:

    import arcpy
  4. Set the workspace:

    arcpy.env.workspace = "C:/ArcpyBook/data/CityOfSanAntonio.gdb"
  5. Call the ListFields() method on the Burglary feature class inside a...