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ArcGIS for Desktop Cookbook

You're reading from   ArcGIS for Desktop Cookbook Over 60 hands-on recipes to help you become a more productive ArcGIS for Desktop user

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Product type Paperback
Published in Jan 2015
Publisher
ISBN-13 9781783559503
Length 372 pages
Edition 1st Edition
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Author (1):
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Daniela C Docan Daniela C Docan
Author Profile Icon Daniela C Docan
Daniela C Docan
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Toc

Table of Contents (13) Chapters Close

Preface 1. Designing Geodatabase FREE CHAPTER 2. Editing Data 3. Working with CRS 4. Geoprocessing 5. Working with Symbology 6. Building Better Maps 7. Exporting Your Maps 8. Working with Geocoding and Linear Referencing 9. Working with Spatial Analyst 10. Working with 3D Analyst 11. Working with Data Interoperability Index

Intervisibility


Intervisibility refers to the analysis of a sight line between an observer and a target feature through potential obstructions such as 3D surfaces or features.

Getting ready

We continue to plan the topographic survey campaign mentioned in Chapter 9, Working with Spatial Analyst, in the Analyzing surfaces and Analyzing the least-cost path recipes. In this recipe, you will analyze the visibility between three geodetic points and buildings (reservoirs and two churches).

TriangulationPoint3D has an attribute field named SurveyInstruments that stores the normal height (H) of the instrument calculated as the sum of the Height Black Sea'75 field and a constant value of 1.5 meters (height of the survey instrument).

Buildings3D has a field named H_Buildings that stores the height calculated as the sum of the Z_Mean, the normal height (H) field, and the approximate height of the building. The Z_Mean field has been calculated using the Add Z Informative tool.

The Buildings3D feature and...

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