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Building Web and Mobile ArcGIS Server Applications with JavaScript ??? Second Edition

You're reading from   Building Web and Mobile ArcGIS Server Applications with JavaScript ??? Second Edition Build exciting custom web and mobile GIS applications with the ArcGIS Server API for JavaScript

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Product type Paperback
Published in Oct 2017
Publisher Packt
ISBN-13 9781787280526
Length 324 pages
Edition 2nd Edition
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Authors (2):
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Eric Pimpler Eric Pimpler
Author Profile Icon Eric Pimpler
Eric Pimpler
Mark Lewin Mark Lewin
Author Profile Icon Mark Lewin
Mark Lewin
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Toc

Table of Contents (15) Chapters Close

Preface 1. Introduction to HTML, CSS, and JavaScript FREE CHAPTER 2. Creating Maps and Adding Layers 3. Adding Graphics to the Map 4. The Feature Layer 5. Using Widgets and Toolbars 6. Performing Spatial and Attribute Queries 7. Identifying and Finding Features 8. Turning Addresses into Points and Points into Addresses 9. Directions and Routing 10. Geoprocessing Tasks 11. Geometry Operations 12. Integration with ArcGIS Online 13. Creating Mobile Applications 14. Looking Ahead - Version 4 of the ArcGIS API for JavaScript

ServiceArea task


The ServiceArea task calculates how far around an input location you can expect to travel within a specified period of time. This is a particularly useful analysis when investigating possible locations for a new depot or similar facility where it is important to understand how wide an area your operatives can service.

The service area is defined in minutes and is a region that encompasses all accessible streets within that period:

The classes involved in service area operations include ServiceAreaParameters, ServiceAreaTask, and ServiceAreaSolveResults:

The ServiceAreaParameters object specifies the task's input parameters and includes properties for the default time period, the set of facilities involved, any barriers or other restrictions used in the analysis, and more.

To execute the task, you instantiate a ServiceAreaTask object and pass the ServiceAreaParameters object into its solve() method. Results are passed from ArcGIS Server back to the client in the form of a ServiceAreaSolveResults...

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