GIS #3

Here is some more vocabulary for you to learn:

Geographic information system (GIS) - a computer system for capturing, storing, querying, analyzing, and displaying geographically referenced data

Topology - a subfield of mathematics that is applied in GIS to ensure that the spatial relationships between features are expressed explicitly

Spatial interpolation - a process of using points with know values to estimate values at other points

Vector data model - a spatial data model that uses points and their x, y coordinates to construct spatial features of points, lines, and areas

Raster data model - a spatial data model that uses a grid and cells to represent the spatial variation of a feature

Go and play Purpose Games GIS#3 to learn and study this vocabulary