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PRESENTATION. Presented by-SALAMAN KHAN. Geographical I nformation System. A GIS is a particular form of information system applied to geographical data. An Information System is a set of processes executed on row data to produce information which will be useful when making decisions .

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presentation

PRESENTATION

Presentedby-SALAMAN KHAN

geographical i nformation system
Geographical Information System
  • A GIS is a particular form of information system applied to geographical data.
  • An Information System is a set of processes executed on row data to produce information which will be useful when making decisions.
use of gis
USE OF GIS
  • In a geographic information system, information is characterized spatially.
  • In a GIS the common purpose is decision making to manage:
    • Land
    • Resources
    • Transportation
    • Retailing
    • OR any other spatially distributed activity
gis system

Images

ImageProcessingSystem

StatisticalReports

Maps

Map DigitizingSystem

Statistical Analysis System

AttributeDataBase

SpatialDataBase

DatabaseManagementSystem

Geographic Analysis System

StatisticsTabular Data

CartographicDisplay System

Maps

GIS System
gis layers
GIS Layers
  • Three types of
  • GIS layers-
  • User Interface
  • Data Visualization
  • Base maps
evolution of gis
Evolution of GIS

Evolved from different fields in which development has led to the GIS as we now know it.

  • Cartography (high quality drafting)
  • CAD / computer graphics
  • Surveying
  • Remote sensing
  • Computer technology (made it affordable)
item in gis are classified into separate components
Item in GIS are classified into separate components
  • Degree of hardness or tangibility
  • Position in the data flow
hardware
Hardware
  • Micro pc - at least a 486DX with minimum 16 megabytes ram, 1 GB hard disk with color monitor (at least 256 colors)
  • Scanner and /or digitizer
  • Inkjet printer and/or plotter
  • Any large data storage device
software
Software
  • IDRISI
  • ILWIS
  • ARCVIEW
  • PC ARCINFO
  • MAPINFO
  • OZ-GIS
  • ER MAPPER
  • GRASS
  • ATLAS
orgware
Orgware
  • Organization about the use of hardware and software
  • Man, their methods and organization
  • “Education and training” of staff at all levels.
technology involved
Technology Involved
  • The Possibilities are unlimited…..
    • Environmental impact assessment
    • Resource management
    • Land use planning
    • Tax Mapping
    • Water and Sanitation Mapping
    • Transportation routing and more
development of gis
Development of GIS
  • Before any GIS application is developed, it is important to keep in mind the target users and their need
  • Too much information should not be packed in one application
  • Care should be taken to make the application focused and user-friendly
  • Need for development would usually arise by regular interactions with the data users over a period of time.
application area of gis
Application area of GIS
  • Population
  • Bio-Diversity
  • Global-Warming
  • Urbanization
  • Pollution
  • Conservation
  • Land-use
  • Oceans
  • Defense/Security
  • Business Efficiency
  • Water
  • Development
  • Crime
  • Health
  • Education
  • Logistics
  • Energy
  • Government
  • Globalization
  • Agriculture/Food
gis works as
GIS works as
  • GIS data has a
  • spatial/geographic reference-
  • This might be a reference that describes
  • A feature on the earth using:
  • A latitude & longitude
  • A national coordinate system
  • An address
  • A district
  • A wetland identifier
  • A road name
slide20

Thank you……

For your attention, for your interest, and your time…..

Good day…..

Group :- Salaman khan(Team Leader)

Krishna Negi

Himansh Tiwari

Abhijeet Singh Tomar