Sign In Start Free Trial
Account

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying ArcPy and ArcGIS: Geospatial Analysis with Python
  • Table Of Contents Toc
  • Feedback & Rating feedback
ArcPy and ArcGIS: Geospatial Analysis with Python

ArcPy and ArcGIS: Geospatial Analysis with Python

By : Silas Toms
3.9 (11)
close
close
ArcPy and ArcGIS: Geospatial Analysis with Python

ArcPy and ArcGIS: Geospatial Analysis with Python

3.9 (11)
By: Silas Toms

Overview of this book

If you are a GIS student or professional who needs an understanding of how to use ArcPy to reduce repetitive tasks and perform analysis faster, this book is for you. It is also a valuable book for Python programmers who want to understand how to automate geospatial analyses.
Table of Contents (14 chapters)
close
close
13
Index

The data access module

Introduced with the release of ArcGIS 10.1, the new data access module known as arcpy.da has made data interaction easier, and faster, than allowed by previous data cursors. By allowing for direct access to the shape field in a variety of forms (shape object, X values, Y values, centroid, area, length, and more), and a variety of formats (JavaScript Object Notation (JSON), Keyhole Markup Language (KML), Well Known Binary (WKB), Well-Known Text (WKT)), the data access module greatly increases the ability of a GIS analyst to extract and control shape field data.

The data access cursors accept a number of required and optional parameters. The required parameters are the path to the feature class as a string (or a variable representing the path) and the fields to be returned. If all fields are desired, using the asterisk notation and provide a list with an asterisk as a string as the field's parameter ( [ * ] ). If only a few fields are required, provide those fields...

Unlock full access

Continue reading for free

A Packt free trial gives you instant online access to our library of over 7000 practical eBooks and videos, constantly updated with the latest in tech
bookmark search playlist font-size

Change the font size

margin-width

Change margin width

day-mode

Change background colour

Close icon Search
Country selected

Close icon Your notes and bookmarks

Delete Bookmark

Modal Close icon
Are you sure you want to delete it?
Cancel
Yes, Delete

Confirmation

Modal Close icon
claim successful

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY