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GIS Data Models and Spatial Data Structure Lecture 2 Objectives

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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

GIS Data Models and Spatial Data Structure Lecture 2 Objectives

Choose a study mode

Podcast

Questions and Answers

What is a GIS data model?

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

What is the purpose of a GIS data model?

What distinguishes raster and vector GIS data models?

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

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