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ArcPy and ArcGIS: Geospatial Analysis with Python

You're reading from   ArcPy and ArcGIS: Geospatial Analysis with Python Use the ArcPy module to automate the analysis and mapping of geospatial data in ArcGIS

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Product type Paperback
Published in Feb 2015
Publisher
ISBN-13 9781783988662
Length 224 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (14) Chapters Close

Preface 1. Introduction to Python for ArcGIS FREE CHAPTER 2. Configuring the Python Environment 3. Creating the First Python Script 4. Complex ArcPy Scripts and Generalizing Functions 5. ArcPy Cursors – Search, Insert, and Update 6. Working with ArcPy Geometry Objects 7. Creating a Script Tool 8. Introduction to ArcPy.Mapping 9. More ArcPy.Mapping Techniques 10. Advanced Geometry Object Methods 11. Network Analyst and Spatial Analyst with ArcPy 12. The End of the Beginning Index

Getting field information from feature classes

When creating script tools, or just running a script, there can be times that extracting field information from a feature class (or shapefile) is necessary. This information can include field names and aliases, field type and length, scale, domains, or subtypes. These are all properties available through the arcpy.ListFields method. We'll explore the many properties, how to extract them, and how to use them in a script.

By organizing the ArcPy methods into a function, the data is organized in a form that we prefer, instead of relying on the default organization used by the designers of ArcPy. It's important to remember that scripts you create should reflect your needs, and creating these function wrappers is one step forward towards polishing the raw ArcPy tools to work in your workflows.

Accessing the ListFields' properties

The List Fields tool is available as an ArcPy method. Arcpy.ListFields accepts only one parameter, a feature...

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