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1. GEOGRAPHICAL INFORMATION SYSTEM 2 AIM To apprise the house about GIS, historical background and recent developments. 3 Geographical Information System.

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Presentation on theme: "1. GEOGRAPHICAL INFORMATION SYSTEM 2 AIM To apprise the house about GIS, historical background and recent developments. 3 Geographical Information System."— Presentation transcript:

1 1

2 GEOGRAPHICAL INFORMATION SYSTEM 2

3 AIM To apprise the house about GIS, historical background and recent developments. 3 Geographical Information System

4 SEQUENCE  Introduction  System Description  Historical Background  Recent Developments  Recommendations  Conclusion  Q&A 4 Geographical Information System

5 INTRODUCTION What is GIS? Geographical Information System 5 Geographical Information System

6 INTRODUCTION  Information Management System 6 Geographical Information System Cont’d…

7 INTRODUCTION  Capture 7 Geographical Information System Cont’d…

8 INTRODUCTION  Analyze 8 Geographical Information System Cont’d…

9 INTRODUCTION  Spatial Information 9 Geographical Information System Cont’d…

10 INTRODUCTION  Spatial Information What is Where When! 10 Geographical Information System Cont’d…

11 INTRODUCTION  Better decisions using geography 11 Geographical Information System Cont’d…

12 INTRODUCTION  Utilities Organizations  Police Forces 12 Geographical Information System Cont’d…

13 SYSTEM DESCRIPITION  Geographic Data : Fuel for GIS 13 Geographical Information System

14 SYSTEM DESCRIPITION  Geographic Data  Analog 14 Geographical Information System Cont’d…

15 SYSTEM DESCRIPITION  Geographic Data  Digital 15 Geographical Information System Cont’d…

16 DATA CAPTURING TECHNIQUES  Map Scanning 16 Geographical Information System Cont’d…

17 DATA CAPTURING TECHNIQUES  Aerial Photography 17 Geographical Information System Cont’d…

18 TYPES OF DATA MODEL 18 Geographical Information System GIS Data ModelRaster ModelVector Model Cont’d…

19 HISTORY OF GIS 19 Geographical Information System

20 HISTORY OF GIS  1854  Dr John Snow  London Cholera Outbreak 20 Geographical Information System Cont’d…

21 HISTORY OF GIS  Early 20 th Century  Photozincography  Layered Maps 21 Geographical Information System Cont’d…

22 HISTORY OF GIS  1960  First GIS  Dr Roger Tomlinson  Canada Geographic Information System (CGIS) 22 Geographical Information System Cont’d…

23 HISTORY OF GIS  1964  Howard Fisher 23 Geographical Information System Cont’d…

24 HISTORY OF GIS  1964  Laboratory for Computer Graphics & Spatial Analysis 24 Geographical Information System Cont’d…

25 HISTORY OF GIS  1970s  SYMAP  GRID  ODYSSEY 25 Geographical Information System Cont’d…

26 HISTORY OF GIS  End of 20 th Century 26 Geographical Information System Cont’d…

27 HISTORY OF GIS  Early 20 th Century  Open Source GIS  Service based GIS 27 Geographical Information System Cont’d…

28 RECENT DEVELOPMENTS 28 Geographical Information System  Reduced GIS production time

29 RECENT DEVELOPMENTS 29 Geographical Information System  Field Data Collection Devices  Range  Azimuth  Inclination  Height Difference Cont’d…

30 RECENT DEVELOPMENTS 30 Geographical Information System  Field Data Collection Devices  Binoculars  Laser Rangefinder  Digital Compass  Inclinometer Cont’d…

31 RECENT DEVELOPMENTS 31 Geographical Information System  3D Scanning Cont’d…

32 RECOMMENDATIONS 32 Geographical Information System

33 CONCLUSION 33 Geographical Information System  Change in Emphasis Past Present / Future Analysis Attribute Tagging Data Conversion Analysis Attribute Tagging Data Conversion

34 CONCLUSION 34 Geographical Information System Cont’d…

35 CONCLUSION 35 Geographical Information System Man must rise above the earth to the top of the universe and beyond, for only then will he fully understand the world in which he lives… Socrates Cont’d…

36 36 Geographical Information System

37 37 Geographical Information System


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