Table 1 Pre-set cellular spatial attributes of the CA model

E—elevation

Dv—shortest distance to the river

A—area of the arable land within the cultivating radius

S—slope

Dr—shortest distance to main roads

Dc—shortest distance to canals

Dp—shortest distance to ponds

Dmj—the average distance between a new nodal building and two nearest pre-existing nodal buildings

Dnj—the nearest distance between a new nodal building and a pre-existing ordinary building

Dmc—the average distance between a new ordinary building and two nearest pre-existing nodal buildings

Dnc—the nearest distance between a new ordinary building and a pre-existing ordinary building