Observer Command
diffuse variable percentage

Makes each patch give 1/8 of percentage of variable to each neighboring patch.
Percentage should be expressed as a number between 0 and 1. Variable should be a patch variable. Note: diffuse must be run by the observer, even though it affects patches.

Examples:

diffuse food 20 causes each patch to give 1/8 of 20 percent of the variable food to each of its eight neighboring patches.

Related commands:
diffuse4 nsum nsum4