Overview of Geographical Information System

GIS (geographical information system) is a tool or system for collecting, analysing, manipulating and managing data. It helps to combine the different types of data which mean spatial and non-spatial data. GIS can able to show different kinds of information in a single map (building, street, vegetation, etc). It is more helpful for the people who need to know about the earth's spatial data. GIS maps can be used to exhibit data about numbers and density. GIS can be involved in different fields like meteorology, hydrology, utility, urban infrastructure, etc. 

Example for GIS Map:

In the corona period GIS is more helpful for comparing the patient from one region to other regions. Nowadays there are more GIS software is available. 

Applications of GIS:

• Agriculture
• Urban and Town Planning
• Oil Spill
• Disaster Management
• Reservoir and Dam Site location
• Deforestation and Vegetation Management
• GIS for Business, Marketing, and Sales