MAP BASED ON EMPIRICAL EVIDENCE--REGION INTERIOR IS SHADED WHITE; LIGHTEST COLOR REPRESENTS FEWEST ACCEPTORS.  DARKER COLORS REPRESENT MORE ACCEPTORS
 
aa a A B C D E F G H I J K L M N
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Figure 1. Distribution of original acceptors of an innovation--after 1 year--based on empirical evidence. After Hagerstrand, p. 380.
 
 

aa a A B C D E F G H I J K L M N
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Figure 2. Actual distribution of acceptors after two years.

Simulated Diffusion pattern after 2 years, using the actual initial distribution and random number set 1.
 

aa a A B C D E F G H I J K L M N
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Figure 3.  First simulation of pattern after two years.
 

ANIMATED .GIF OF ACTUAL AND SIMULATED