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Unit 3: GIS - Coggle Diagram
Unit 3: GIS
INTRODUCTION
Definition
Geographical Internation System
Visualize geospatial information for people to make better decisions
Usage
Retailers
Pinpoint best locations
Analyze customers needs
Utilities
Report data
Police Officer
Plan operations more strategically
Agriculture
Analyze soil data
Develop more efficient harvesting methods
Irrigation water management
Transportation
Improve road optimization
Locate new rail routes
Accident Analysis
Prevent potential danger
Estimate natural disaster's damage
Taxation
Maximize governor's income
TYPES OF DATA
Spatial
Where it is
Absolute or relative location
Attribute
What there are
Characteristics
Functions
Search
Spatial Query
Attribute Query
Overlay
Combine the characteristics of several datasets into one
Buffer
Measuring distance outward in directions from an object
Point
Line
Area
Route Analysis
Finding the quickest, shortest, or even the most scenic route based on your preference
Terrain
Analysis and interpretation of topographic features
Slope
Elevation
Contour Lines
Flow
Viewshed
Find the area that is visible form a specific location