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What is a  G eographic  I nformation S ystem?
A GIS is any manual or computer based system designed to store and manipulate spatially referenced data
A GIS or  Geographic Information System  is a system designed for storing, analyzing, and displaying spatial data.  Manage Data Manipulate Data Analyze Data
Typical questions include: ,[object Object],[object Object],[object Object],[object Object],[object Object]
GIS ~ CAPABILITIES AND USES  Digitizing Address Matching Event Mapping Thematic Mapping Join and Merge Tables Tabular and Spatial Queries Thematic Mapping
The ultimate purpose of a GIS is to answer spatial questions... ...NOT necessarily to  make  ‘PRETTY’ maps!
What Makes up a GIS?
A GIS consists of Data Layers or Themes . . . . . . . . + + Species locations Land cover type Roads GIS
Data Vector Data vs. Raster Data
Vector Data Points Lines Polygons Raster Data Cells or Pixels
Vector Data Raster Data
What makes up spatial data? Where each feature is located What each feature represents Relationships among features Physical shape of the feature Coordinates Attributes Topology Shape
Who makes spatial data? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
An important thing to remember… the questions must be asked before the data are developed !
A GIS can be  VERY FRUSTRATING! So have patience .... We’re here to help!!!
What is ArcGIS?  An integrated collection of GIS software products for building a complete GIS.  The ArcGIS framework enables you to deploy GIS functionality—in desktops, servers (including the Web), or mobile devices. Who is ESRI ?  Environmental Systems Research Institute, Redlands, CA http://www.esri.com
What’s the difference between: ArcGIS? ArcView?  ArcInfo?  Versions 1.0 – 3.3 Originally developed for non-GIS specialists - Biologist, Managers, Planners .  GUI.  User-friendly.  Proprietary Programming Language  - Avenue. Reads Shape files and Coverages. Versions 1.0 – 8.0  High end developers tool – High geek factor. Hosted on a Unix, IBM mainframe. Command line – Arc. Proprietary Programming Language  - AML. Not user-friendly  or for the casual user! A  collection of GIS  products - Desktop, Server, Embedded, Mobile. Based  on Visual Basic. Designed for the Individual or a large Corporation.  Versions 9.0 – 9.2
ArcMap  ArcCatalog  ArcToolbox View GIS data (graphically or in tables) & create maps. Manage & organize GIS files Convert  GIS file formats (re-project & transform)
Familiarizing with the software Start software Add data layers Zoom around Assign symbols Save project

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What is GIS?

  • 1. What is a G eographic I nformation S ystem?
  • 2. A GIS is any manual or computer based system designed to store and manipulate spatially referenced data
  • 3. A GIS or Geographic Information System is a system designed for storing, analyzing, and displaying spatial data. Manage Data Manipulate Data Analyze Data
  • 4.
  • 5. GIS ~ CAPABILITIES AND USES Digitizing Address Matching Event Mapping Thematic Mapping Join and Merge Tables Tabular and Spatial Queries Thematic Mapping
  • 6. The ultimate purpose of a GIS is to answer spatial questions... ...NOT necessarily to make ‘PRETTY’ maps!
  • 7. What Makes up a GIS?
  • 8. A GIS consists of Data Layers or Themes . . . . . . . . + + Species locations Land cover type Roads GIS
  • 9. Data Vector Data vs. Raster Data
  • 10. Vector Data Points Lines Polygons Raster Data Cells or Pixels
  • 12. What makes up spatial data? Where each feature is located What each feature represents Relationships among features Physical shape of the feature Coordinates Attributes Topology Shape
  • 13.
  • 14. An important thing to remember… the questions must be asked before the data are developed !
  • 15. A GIS can be VERY FRUSTRATING! So have patience .... We’re here to help!!!
  • 16. What is ArcGIS? An integrated collection of GIS software products for building a complete GIS. The ArcGIS framework enables you to deploy GIS functionality—in desktops, servers (including the Web), or mobile devices. Who is ESRI ? Environmental Systems Research Institute, Redlands, CA http://www.esri.com
  • 17. What’s the difference between: ArcGIS? ArcView? ArcInfo? Versions 1.0 – 3.3 Originally developed for non-GIS specialists - Biologist, Managers, Planners . GUI. User-friendly. Proprietary Programming Language - Avenue. Reads Shape files and Coverages. Versions 1.0 – 8.0 High end developers tool – High geek factor. Hosted on a Unix, IBM mainframe. Command line – Arc. Proprietary Programming Language - AML. Not user-friendly or for the casual user! A collection of GIS products - Desktop, Server, Embedded, Mobile. Based on Visual Basic. Designed for the Individual or a large Corporation. Versions 9.0 – 9.2
  • 18. ArcMap ArcCatalog ArcToolbox View GIS data (graphically or in tables) & create maps. Manage & organize GIS files Convert GIS file formats (re-project & transform)
  • 19. Familiarizing with the software Start software Add data layers Zoom around Assign symbols Save project