Growth cycle order | Growth type | Controlling parameter (s) | Summary description |
1 | Spontaneous | Dispersion | Randomly selects potential new growth cells. |
2 | New spreading | Breed | Growing urban centres from centre spontaneous growth. |
3 | Edge | Spread | Old or new urban centres spawn additional growth. |
4 | Road-influenced | Road gravity, dispersion, breed. | Newly urbanized cell spawns growth along transportation network |
Throughout | Slope resistance | Slope | Effect of slope on reducing probability of urbanisation. |
Throughout | Excluded layer | User-defined | User specifies areas resistant or excluded to development. |