ArcGIS Web Development

250 Pages·2014·13.22 MB·English

Rene Rubalcava
M A N N I N G
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ArcGIS Web Development
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ii
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ArcGIS
Web Development
RENE RUBALCAVA
MANNING
SHELTER ISLAND
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ISBN: 9781617291616
Printed in the United States of America
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brief contents
PART 1 ARCGIS JAVASCRIPT FOUNDATION .............................. 1
1 ■ GIS as a tool 3
2 ■ Introducing core API concepts 17
3 ■ Working with the REST API 45
PART 2 SAMPLE USE CASE ..................................................... 65
4 ■ Building an application 67
5 ■ Developing a custom data-collection application 101
6 ■ Building a desktop browser application 135
7 ■ Advanced techniques 175
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vi
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contents
preface xi
acknowledgments xiii
about this book xiv
PART 1 ARCGIS JAVASCRIPT FOUNDATION .................. 1
1 GIS as a tool 3
1.1 GIS: here, there, everywhere 4
The GIS tools landscape 4 ■ Introducing the ArcGIS
platform 6 ■ Why care about spatial applications? 7
Trends in the GIS industry 8
1.2 Understanding the GIS bits 9
The what and the where of GIS data 10 ■ Serving GIS data:
ArcGIS Server and the REST API 11 ■ Choosing an ArcGIS
web API 12
1.3 Things to know 13
JavaScript, Dojo Toolkit, and Dijit 13 ■ Introducing a tad of
GIS 14 ■ Interacting with the ArcGIS REST API 15
1.4 Summary 15
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viii CONTENTS
2 Introducing core API concepts 17
2.1 From data to map 18
Parts of a basic map 19 ■ Specifying common map options 22
2.2 Understanding layers and accessing data 24
Layer types for raster-based data 25 ■ Layer types for vector-
based data 27 ■ Getting to know the GraphicsLayer 28
Creating graphics with the QueryTask 30
2.3 Working with the FeatureLayer 35
Advantages of a FeatureLayer 36 ■ Creating a
FeatureLayer 38 ■ Optimizing application performance 39
Selecting items in the FeatureLayer 42
2.4 Summary 44
3 Working with the REST API 45
3.1 Introducing the ArcGIS Server REST API 47
Exploring how the API works 47 ■ Interacting with ArcGIS
Server pages 49
3.2 Building your own widget 52
Building the legend root menu 52 ■ Retrieving legend
details 53 ■ Displaying details in the custom legend
widget 54 ■ Working with multiple symbols in a feature 55
3.3 Working with the geometry service 56
Buffer your heart out 56 ■ Buffer and select 59
Buffer and intersect 61
3.4 Summary 64
PART 2 SAMPLE USE CASE .......................................... 65
4 Building an application 67
4.1 What are you going to build? 68
Using a tablet or phone 69 ■ Collecting points 69
Performing disconnected editing 69
4.2 Working with ArcGIS Online 70
ArcGIS Online vs. ArcGIS Server 70 ■ Setting up an ArcGIS
Online account 71 ■ Defining a feature service 72
Accessing your ArcGIS Online feature service 77
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CONTENTS ix
4.3 Building a real-world application 77
Setting up Dojo and organizing modules 78 ■ Tying the
application together 83
4.4 Adding layers and using the renderer 87
Adding layers with a module 87 ■ Using the renderer 90
Applying the renderer 91 ■ Setting up the editing tools 92
Assigning an action to a button 95
4.5 Summary 99
5 Developing a custom data-collection application 101
5.1 Performing default web map editing 102
Finding feature service information 104 ■ Adding your feature
service to the map 105 ■ Adding the TemplatePicker and
default Editor widgets 109
5.2 Building a custom edit tool 113
Working with the custom edit functionality 114 ■ Refining the
custom edit tool 120
5.3 Enabling disconnected editing 125
Local storage 126 ■ Caveats 134 ■ Other storage
options 134
5.4 Summary 134
6 Building a desktop browser application 135
6.1 The project ahead 136
Goals of the RequestViewer 136 ■ Freedom of the desktop
browser 136
6.2 Setting up and configuring the RequestViewer 138
Creating index.html 138 ■ Configuring run.js 138
Starting the RequestViewer 139 ■ Defining map services 140
Setting up the application controller 140
6.3 Setting up authentication with OAuth 2.0 142
Using your developer account to create an application 142
Updating main.js 145 ■ Saving credentials 146
6.4 Building the user interface 152
Working with the Measurement widget 152 ■ Working with the
BasemapToggle widget 157
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