GIS and remote sensing human geography

Terms in this set (9)

GIS
computer based, data processing system for gathering, manipulating and analyzing geographic information
Features
geographic objects such as county boundary, city, transportation line
Surfaces
a single, continuous expanse that changes from one location to another according to a certain variable (elevation)
Polygon(countries, lakes, land areas)
Line(rivers, roads, pipeline)
Point(cities, schools)
what shapes do geographic objects have?
Spatial relationships
what type of relationship do features have?
Surfaces
overall this type of data is called raster data
_____ have numeric values rather than shapes
Feature
has shapes, called vector data
Surface
numeric values, raster data
Remote sensing
the science of aquiring information about the earths surface without being in physical contact with it
can detect change detection
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