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GTECH 361

GTECH 361. Lecture 02 Introduction to ArcGIS. Today’s Objectives. explore a map and get information about map features preview geographic data and metadata add data to a map describe the structure of a map explain how a GIS represents real-world objects

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GTECH 361

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  1. GTECH 361 Lecture 02Introduction to ArcGIS

  2. Today’s Objectives • explore a map and get information about map features • preview geographic data and metadata • add data to a map • describe the structure of a map • explain how a GIS represents real-world objects • change the way features are drawn on a map • access feature information in different ways • describe spatial relationships of map features • describe how GIS can be used to solve problems

  3. GIS Map Organization

  4. Representation • Point, line, and polygon features

  5. Geo-Relational Principle 1

  6. Geo-Relational Principle 2

  7. Scale

  8. The ArcGIS Suite

  9. System Architecture

  10. ArcMap

  11. Map Production

  12. ArcCatalog

  13. ArcCatalog Views

  14. ArcToolbox

  15. Metadata

  16. Metadata in ArcGIS

  17. Help

  18. GIS DataFormats

  19. Maneuvering ArcGIS

  20. Connecting to Folders

  21. Table of Contents

  22. Exploring a Map

  23. MakingAppearances

  24. Making Appearances part 2

  25. Localized Information

  26. Spatial Relationships 1 • Distance Which countries contain a lake completely within their borders? Which cities are located within 25 kilometers of a river?

  27. Spatial Relationships 2 • Intersection Which countries have a river that intersects their border?

  28. Spatial Relationships 3 • Adjacency Which countries share a border with Russia?

  29. Spatial Relationships 4 • Containment Which countries contain a lake completely within their borders?

  30. GIS as a Process 1 • Capture data • Store data • Query data • Analyze data • Display data • Present data

  31. GIS as a Process 2 • Ask a geographic question • Acquire geographic data • Explore geographic data • Analyze geographic information • Act on geographic knowledge

  32. Summary • A GIS organizes and stores information about the world as a collection of thematic layers. Each layer contains features with the same shape and attributes, all located within a common geographic area. • Each feature is assigned a unique numerical identifier and is characterized by a unique location in space and a corresponding record in a table. • Features can be stored in a GIS as three primary shapes: points, lines, or polygons. • Features have spatial relationships with other features, and with a GIS you can find features based on their spatial relationships. • The geographic inquiry process provides a framework for solving problems with GIS.

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