Yue rules

basic unit X(m)*X(m)*X(m) cube all over the site

N cubes with no day light access and no direct access to the street is object 1(color 1)

N cubes with one-side day light access and no direct access to the street is object 2A(color 2A)
N cubes with one-side day light access and direct access to the street is object 2B(color 2B)

N cubes with two-side day light access and no direct access to the street is object 3A(color 3A)
N cubes with two-side day light access and direct access to the street is object 3B(color 3B)

N cubes with three-side day light access and no direct access to the street is object 3A(color 3A)
N cubes with three-side day light access and direct access to the street is object 3B(color 3B)

N cubes with four-side day light access and no direct access to the street is object 4A(color 4A)
N cubes with four-side day light access and direct access to the street is object 4B(color 4B)

N cubes with five-side day light access and no direct access to the street is object 5A(color 5A)
N cubes with five-side day light access and direct access to the street is object 5B(color 5B)

(N can be different for every object, just stand for the number of the cubes)

then combinate these cubes, move around the objects within the aspern site and change values of the objects in the condition of the different cubes to achieve different densities