GEOGRAPHIC INFORMATION SYSTEMS
GIS CONCEPTS
SIMPLIFIED
RAJENDRA DAVECHAND
,R. Davechand 2020
, GIS is a computer system for capturing, storing, checking, and displaying data related to positions on
Earth's surface.
BREAKING IT DOWN
• Geographic – place on Earth, Spatial – Where something is on earth?
• Information – data (facts) put together(layering) to make sense e.g. the number of people using a road. Data
used in GIS can be the following: Maps, Remote sensing, Spatial resolution, Spectral resolution
• System – interrelated information – Using the data to make it mean something.
R. Davechand 2020
GIS CONCEPTS
SIMPLIFIED
RAJENDRA DAVECHAND
,R. Davechand 2020
, GIS is a computer system for capturing, storing, checking, and displaying data related to positions on
Earth's surface.
BREAKING IT DOWN
• Geographic – place on Earth, Spatial – Where something is on earth?
• Information – data (facts) put together(layering) to make sense e.g. the number of people using a road. Data
used in GIS can be the following: Maps, Remote sensing, Spatial resolution, Spectral resolution
• System – interrelated information – Using the data to make it mean something.
R. Davechand 2020