GIS Data Models and Spatial Data Structure Lecture 2 Objectives
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Questions and Answers

What is a GIS data model?

  • A type of satellite used to collect geographic data
  • An abstract representation of the real world in various forms (correct)
  • A mathematical equation to estimate population distribution
  • A set of tools used in GIS software

    • Which of the following is a characteristic of the object-based model in GIS data models?

  • Spatial objects are always represented as continuous surfaces
  • Spatial objects represent discrete features with identifiable boundaries (correct)
  • Spatial objects do not have any specific spatial location
  • Spatial objects cannot have attributes associated with them

    • What is the purpose of a GIS data model?

  • To categorize different species of birds
  • To predict future weather patterns
  • To analyze and describe real-world features in GIS (correct)
  • To create virtual reality simulations

    • What distinguishes raster and vector GIS data models?

    <p>Representation as points, lines, and polygons vs. continuous grid cells</p> Signup and view all the answers

    In GIS, what do topology, topological, and non-topological data structures refer to?

    <p>How spatial relationships between features are defined</p> Signup and view all the answers

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