The Design and Implementation of Geographic Information Systems (PDF)

Acknowledgments. Chapter 1: Introduction. Who Should Read This Book. What Is a Geographic Information System? Corporate or Enterprise Geographic Information Systems. The GIS Strategic Plan. Chapter 2: Before Design: Needs Assessment and Requirements Analysis. Organizational Involvement. Need for Education, Support, and Commitment of Management ? Corporate Implementation Takes Time. Manage Users? Expectations ? No Unrealistic Promises. Needs Assessment/Requirements Analysis. Assessing the Current Users. Categorizing Users. Other Factors with Users. Applications. Evaluating Existing Data. Accuracy. Completeness. Maintenance. Software Selection. Technical Environment. Assessing Costs and Benefits. Pulling the Needs Together. Chapter 3: Designing the GIS Database Schema. Elements of a Schema. Data Dictionary. Tables and Relationships. Metadata. Chapter 4: Designing Spatial Data. Choosing the Appropriate M ix of Data Models. Choosing a Subset of Reality. The Two Principal Data Models. Layers and Objects. Representing Geographic Features. Topologic Relationships. Types of Spatial Objects. Issues around the Third Dimension. Accuracy, Precision, and Completeness. Accuracy Concerns ? Global Positioning Systems. Differential Processing. Accuracy across Layers. Choosing a Coordinate System and Map Projection. Decimal Longitude and Latitude or Projected Data. Characteristics of Map Projections. Spanning Existing Map Projection Zones. Selection of Projection for Large Areas. Spatial Indexing. Conclusions. Chapter 5: Design Issues for Attribute Data. General Principles: Fields in Both D and G Tables. Specific Principles for G Tables. Principles for Fields in D Tables. Designing Input Elements. Design of Output Elements. Application Design. Chapter 6: Remotely Sensed Data as Background Layers and Data Sources. Aerial Photography as Backdrop Information. Capture Data as Well? Dealing with the Images. Integrating Remotely Sensed Information with GIS. Questions to Ask. Chapter 7:

JOHN E. HARMON, PhD, is Professor of Geography at Central
Connecticut State University. He has been teaching GIS design for
more than ten years.

STEVEN J. ANDERSON is Director of Business Development and
Senior Project Manager at Applied Geographics, Inc., a leading GIS
consultancy based in Boston, Massachusetts.

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