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  • Book Overview & Buying ArcPy and ArcGIS: Geospatial Analysis with Python
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ArcPy and ArcGIS: Geospatial Analysis with Python

ArcPy and ArcGIS: Geospatial Analysis with Python

By : Silas Toms
3.9 (11)
Buy this Book
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ArcPy and ArcGIS: Geospatial Analysis with Python

ArcPy and ArcGIS: Geospatial Analysis with Python

3.9 (11)
By: Silas Toms
Buy this Book

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)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
Free Chapter
1
1. Introduction to Python for ArcGIS
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1. Introduction to Python for ArcGIS
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Overview of Python
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Python as a programming language
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Important Python Modules for GIS Analysis
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Summary
2
2. Configuring the Python Environment
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2. Configuring the Python Environment
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What is a Python script?
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What is the Python interpreter?
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Make Python scripts executable when clicked on
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Integrated Development Environments (IDEs)
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Python folder structure
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The sys.path.append() method
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Summary
3
3. Creating the First Python Script
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3. Creating the First Python Script
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Prerequisites
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Creating a model and exporting to Python
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Exporting the model and adjusting the script
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File paths in Python
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Continuing the script analysis: the ArcPy tools
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Adjusting the Script
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Adding the CSV module to the script
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The final script
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Summary
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4. Complex ArcPy Scripts and Generalizing Functions
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4. Complex ArcPy Scripts and Generalizing Functions
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Python functions–Avoid repeating code
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Summary
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5. ArcPy Cursors – Search, Insert, and Update
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5. ArcPy Cursors – Search, Insert, and Update
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The data access module
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Inserting a polyline geometry
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Inserting a polygon geometry
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Summary
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6. Working with ArcPy Geometry Objects
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6. Working with ArcPy Geometry Objects
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ArcPy geometry object classes
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Summary
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7. Creating a Script Tool
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7. Creating a Script Tool
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Adding dynamic parameters to a script
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Creating a Script tool
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Inspecting the final script
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Summary
8
8. Introduction to ArcPy.Mapping
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8. Introduction to ArcPy.Mapping
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Using ArcPy with map documents
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Inspecting and replacing layer sources
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Automated map document adjustment
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Running the script in the Python Window
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Summary
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9. More ArcPy.Mapping Techniques
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9. More ArcPy.Mapping Techniques
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Using arcpy.mapping to control Layer objects
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Definition queries
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Controlling the data frame window extent and scale
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Summary
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10. Advanced Geometry Object Methods
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10. Advanced Geometry Object Methods
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Creating a Python module
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Adding advanced analysis components
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Summary
11
11. Network Analyst and Spatial Analyst with ArcPy
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11. Network Analyst and Spatial Analyst with ArcPy
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The Network Analyst extension
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Using Network Analyst
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The Network Analyst module
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Accessing the Spatial Analyst Extension
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The final result
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Summary
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12. The End of the Beginning
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12. The End of the Beginning
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Getting field information from feature classes
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Summary
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Index
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Index

Prerequisites

"Along with ArcGIS ModelBuilder, a data set and scripts are required."

For this chapter, the accompanying data and scripts should be downloaded from Packt Publishing's website. The completed scripts are available for comparison purposes and the data will be used for this chapter's analysis.

ModelBuilder

ArcGIS has been in development since the 1970s. During that time, it included a variety of programming languages and tools to help GIS analysts automate analyses and map production. These include the Avenue scripting language in the ArcGIS 3x series and the ARC Macro Language (AML) in the ARC/Info workstation days, as well as VBScript up until ArcGIS 10x when Python was introduced. Another useful tool introduced in ArcGIS 9x was ModelBuilder, a visual programming environment used for both modeling analysis and creating tools that can be used repeatedly with different input feature classes.

Another useful feature of ModelBuilder is an export function that allows...

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