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GIS

This Presentation is a short introduction to GIS

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GIS

  1. 1. G SThe World is Yours Created By Ahmed El Atari Geographical nformation System
  2. 2. Plan Introduction I. History of GIS II. What is GIS ? III. What is Geographical Data ? IV. GIS Process 1. Capture 2. Manage 3. Analyze 4. Present V. GIS Applications Conclusion
  3. 3. Introduction Big Bang Ancient Human Travel
  4. 4. Map
  5. 5. History of GIS 1832 deaths by cholera per 1,000 inhabitants Charles Picquet Color Gradient Map “ France ”
  6. 6. History of GIS John Snow “ London” Geographic methodology in epidemiology 1854
  7. 7. History of GIS Water Vegetation Elevation Structures
  8. 8. History of GIS Plastic film
  9. 9. History of GIS Roger Tomlinson 1960 Ottawa , Canada
  10. 10. Geographic information system ( G.I.S ) Geographic information system (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present all types of spatial or geographical data. The acronym GIS is sometimes used for geographical information science or geospatial information studies to refer to the academic discipline or career of working with geographic information systems and is a large domain within the broader academic discipline of Geoinformatics., Capture Analyze Manage Present Geographical data
  11. 11. Geographical data Generally speaking, spatial data represents the location, size and shape of an object on planet Earth. Spatial data may also include attributes that provide more information about the entity that is being represented. Geographic Information Systems (GIS) or other specialized software applications can be used to access, visualize, manipulate and analyze geospatial data.
  12. 12. Geographical data
  13. 13. Location / Position Height Size / Dimension Shape Geographical data
  14. 14. Floors / Rooms The Name of the residence Number of inhabitants Geographical data
  15. 15. GIS Process CAPTURE ANALYZE MANAGE PRESENT
  16. 16. Step 1 : Capture Global Positioning System (G.P.S)
  17. 17. Step 1 : Capture Digitalize & Georeferencing
  18. 18. Step 1 : Capture Remote Sensing Active Passive
  19. 19. Step 1 : Capture Photogrammetric Techniques
  20. 20. Step 2 : Analyze Slope and aspect Address geocoding
  21. 21. Step 2 : Analyze Examples : ArcGis Quantum GIS MapInfo
  22. 22. Step 3 : Manage DataBases
  23. 23. Step 3 : Manage Examples : PostGis MySql Oracle
  24. 24. Step 4 : Present Printed Maps Dynamic or Interactive Maps
  25. 25. GIS Applications
  26. 26. GIS Applications Crime mapping
  27. 27. GIS Applications Hydrology
  28. 28. GIS Applications Health Services
  29. 29. Conclusion
  30. 30. Thanks for Watching

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This Presentation is a short introduction to GIS

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