John E. Harmon, Steven J. Anderson0471204889, 9780471204886
Table of contents :
@Team LiB……Page 1
Cover……Page 2
CONTENTS……Page 7
ACKNOWLEDGMENTS……Page 10
Who Should Read This Book……Page 11
What Is a Geographic Information System?……Page 12
Corporate or Enterprise Geographic
Information Systems……Page 14
The GIS Strategic Plan……Page 19
Organizational Involvement……Page 23
Need for Education, Support, and
Commitment of Management—Corporate
Implementation Takes Time……Page 25
Assessing the Current Users……Page 27
Categorizing Users……Page 28
Other Factors with Users……Page 30
Applications……Page 31
Evaluating Existing Data……Page 34
Completeness……Page 43
Maintenance……Page 45
Software Selection……Page 46
Technical Environment……Page 47
Assessing Costs and Benefits……Page 48
Pulling the Needs Together……Page 51
Elements of a Schema……Page 57
Data Dictionary……Page 58
Tables and Relationships……Page 61
Metadata……Page 70
Choosing the Appropriate
Mix of Data Models……Page 79
Choosing a Subset of Reality……Page 82
The Two Principal Data Models……Page 83
Layers and Objects……Page 88
Representing Geographic Features……Page 94
Topologic Relationships……Page 95
Types of Spatial Objects……Page 101
Issues around the Third Dimension……Page 108
Accuracy, Precision, and Completeness……Page 113
Accuracy Concerns—Global Positioning
Systems……Page 117
Differential Processing……Page 119
Accuracy across Layers……Page 120
Choosing a Coordinate System and
Map Projection……Page 121
Decimal Longitude and Latitude or
Projected Data……Page 123
Characteristics of Map Projections……Page 125
Spanning Existing Map Projection Zones……Page 126
Selection of Projection for Large Areas……Page 127
Spatial Indexing……Page 131
Conclusions……Page 134
CHAPTER
5 Design Issues for
Attribute Data……Page 137
General Principles: Fields in Both
D and G Tables……Page 139
Specific Principles for G Tables……Page 141
Principles for Fields in D Tables……Page 143
Designing Input Elements……Page 147
Design of Output Elements……Page 148
Application Design……Page 150
CHAPTER
6 Remotely Sensed Data
as Background Layers
and Data Sources……Page 157
Aerial Photography as Backdrop
Information……Page 158
Capture Data as Well?……Page 165
Dealing with the Images……Page 167
Integrating Remotely Sensed Information
with GIS……Page 171
Questions to Ask……Page 176
System Configuration and Product
Architecture Plan……Page 179
Data Development and Conversion Plan……Page 181
Capturing Digital Data……Page 185
Optical Character Recognition……Page 187
Selecting a Vendor……Page 188
Perform a Pilot Project……Page 190
Software Considerations……Page 193
Evaluating Software……Page 196
How to Select Your Software
Evaluation Team……Page 200
Hardware Concerns……Page 203
Networking Issues……Page 205
Types of Networks……Page 206
The Capacity of the Network……Page 209
Ownership of Geographic Information……Page 211
User Roles……Page 212
Staffing the Design and Implementation
Process……Page 216
Where to Put the GIS……Page 218
Designing the Data Flow……Page 224
CHAPTER
10 Early Management
Concerns: Interacting
with the System……Page 227
User Roles……Page 229
Managing User Roles……Page 234
Managing Desktop Interfaces……Page 236
Managing World Wide Web-Based
Interfaces……Page 238
GIS Interaction and the Organization……Page 240
A New Committee……Page 241
Evaluation……Page 242
Access Controls……Page 244
Controlling Public Access……Page 246
Managing the System—The Maintenance
Plan……Page 248
Data Dissemination……Page 252
GIS Data Distribution through the
World Wide Web……Page 255
Summary……Page 261
INDEX……Page 263
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