GIS

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GIS Applications and Potentials
Using GIS as a Tool for Data Analysis,
Presentation and Display
Ain Shams University
Dr. Youhansen Eid Aug 2004
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• GIS is a tool used to assemble, store,
  retrieve, manipulate, analyze, and display
  information about objects and events on earth.
• GIS associates information from different
  sources by relating them according to location. 
• The data from these sources can be grouped
  into manageable and meaningful layers that can be
  combined to form a single map.
• GIS is a tool that gives a further spatial
  dimension to analysis and presentations

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Relevance of GIS in the Planning Process

• Planning is an ongoing, non-deterministic
  process that deals with numerous variables which
  change over time.
• Thus the purpose for GIS is to help decision
  support and planning support systems.
• GIS can be applied to identify problems,
  display data and information, manage facilities
  and services, monitor daily operations, selection
  of locations for plants and services. informed
  prediction all of which facilitate and enhance
  the planning process
• Planning decisions and predictions have to be
  informed and based on a plethora of information,
  and a set of alternatives which will facilitate
  and enhance the planning process

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Why GIS
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Display
Display and Map Data
Maps
Graphs
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GIS is used in Numerous Applications
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Display and Map Data
POINT FEATURE
EXAMPLES
Data Base
Select any POINT FEATURE
Selected Points
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Display and Map Data
POLYGON FEATURE
Database
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Displaying Demographic Data
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Education Levels in Egypt
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Commercial centers and merchandise
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Multiple attributes
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Example of Data Analysis and Display Using
GIS Model for Egypt Post Analysis Existing Post
Offices Selected Areas for Lower Egypt
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Service Area (r1km)
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Total Revenue
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Average expenditure/ person
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Type of services