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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
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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

Summary

In this chapter, we covered the use of layer definition queries, data frame extents and scales, and layer source replacement to ease the production of maps. By using definition queries, the layers can be modified to new extents, making it easier to zoom into the layer extent and to set the scale of the data frame. The definition queries also limit which members of a layer are displayed within the data frame. Layer source replacement was used as a cartographic control, allowing us to pre-generate the style of a layer and adjust the data that it represented dynamically.

In the next chapter, we will combine the lessons from the last three chapters, allowing us to create a script tool that will run analysis and produce spreadsheets and maps from the analysis results.

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