Introduction to Geo-Informatics

Geoinformatics is the science and art of

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  • Measuring
  • Storing
  • Organizing
  • Analyzing
  • Visualizing

data related to phenomena occurring on or near the earth’s surface.

For analyzing information related to earth, Geo-informatics combines

  • Geo-Spatial analysis
  • Modeling
  • Geo-Spatial databases
  • Human-computer interaction
  • Both wired and wireless networking technologies

APPLICATIONS OF GEO-INFORMATICS

Many fields benefit from geoinformatics, few of them includes

  1. Urban planning and land use management
  2. Tourism
  3. Virtual globes
  4. Local and national gazetteer management
  5. Environmental modeling and analysis
  6. Military
  7. Transport network planning and management
  8. Agriculture
  9. Meteorology and climate change
  10. Telecommunications

 

BRANCHES OF GEO-INFORMATICS

  1. Cartography
  2. Geodesy
  3. Geographic Information Systems
  4. Global Navigation Satellite Systems
  5. Photogrammetry
  6. Remote Sensing
  7. Web Mapping

 

CARTOGRAPHY

Study and Practice of making maps

GEODESY

The scientific discipline that deals with the measurement and representation of the Earth

GEOGRAPHIC INFORMATION SYSTEMS(GIS)

A system that captures, stores, analyzes, manages and presents data with reference to geographic location data

GLOBAL NAVIGATION SATELLITE SYSTEMS

A system of satellites that provide autonomous geo-spatial positioning with global coverage

PHOTOGRAMMETRY

The practice of determining the geometric properties of objects from photographic images

REMOTE SENSING

The acquisition of information about an object or phenomenon, without making physical contact with the object

WEB MAPPING

The process of designing, implementing, generating and delivering maps on the World Wide Web

ArcGIS

It is a suite consisting of a group of Geographic Information Systems (GIS) software products produced by ESRI

ESRI (Environmental Systems Research Institute)

It is a software development and services company providing Geographic Information System (GIS) software and Geo-database management applications. The headquarters of ESRI is in Redlands, California. ESRI uses the name ArcGIS to refer to its suite of GIS software products, which operate on desktop, server, and mobile platforms

ArcGIS includes the following Windows desktop software:

  1. Arc Reader
  2. ArcGIS Desktop
  3. ArcView
  4. Arc Editor
  5. Arc Info

ArcGIS is also available on web as

http://www.arcgis.com/

Arc Reader

It is a software providing some basic tools for

  • Map viewing
  • Printing
  • Querying of spatial data

ArcView

It is a software providing some basic tools for

  • Map viewing
  • Printing
  • Querying
  • Editing of spatial data

Arc Editor & Arc Info

Arc Editor is used for midlevel editing of spatial data

Arc Info is for high-level editing

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