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Cellular Automata
Cellular automata (CA) are systems consisting of the following:
- A cellular space or otherwise discrete division of the world into independent entities; usually in GIS, this is assumed to be the cells of a raster grid plus the properties of the boundaries of the space.
- An exhaustive set of states into which each of the cells falls, such as urban/nonurban, or land use classes.
- An initial or starting configuration of the states over the space, often a map of a spatial distribution at some initial time period.
- A neighborhood for a cell, most commonly the cell's immediate neighboring cells.
- A set of rules that determines how states behave during a single time step.
Time in the system then takes the form of an ongoing series of steps. The model begins with ...
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