Main functions of geographic information system

Data acquisition and processing, spatial data analysis, etc.

1. data collection and processing: GIS obtains geospatial data in various ways, using global positioning system (GPS), remote sensing technology, geographic survey, etc. The collected data can be processed, integrated and cleaned to ensure the accuracy and consistency of the data.

2. Spatial data analysis: GIS has powerful spatial analysis function, which can query, count, measure, simulate and predict geospatial data.