Some example worlds with screenshots. Note that screenshots were taken from whatever angle I could find that best captured the scene. Your output doesn't have to look exactly like this, but the following elements should match:
{ "width" : 6, "depth" : 6, "sunlight" : [ 0, 1, 0 ], "altitude" : [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, ] }
{ "width" : 4, "depth" : 4, "sunlight" : [ -1, 0, 0 ], "altitude" : [ 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 3, 0 ] }
{ "width" : 4, "depth" : 4, "sunlight" : [ -1, 1, 0 ], "altitude" : [ 0, 0, 3, 3, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0 ], "trees" : [ { "x" : 0.5, "z" : 0.5 }, { "x" : 1.5, "z" : 0.5 }, { "x" : 1.5, "z" : 1.5 }, { "x" : 2.5, "z" : 0.5 }, { "x" : 2.5, "z" : 1.5 }, { "x" : 2.5, "z" : 2.5 }, ] }
{ "width" : 4, "depth" : 4, "sunlight" : [ -1, 1, 0 ], "altitude" : [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], "roads" : [ { "width" : 1, "spine" : [ 0, 0.5, 3, 0.5, 3, 2.5, 0, 2.5 ] } ] }
{ "width" : 6, "depth" : 6, "sunlight" : [ -1, 1, 0 ], "altitude" : [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ], "roads" : [ { "width" : 0.5, "spine" : [ 1, 1.5, 2, 1.5, 3, 1.5, 4, 1.5 ] }, { "width" : 0.3, "spine" : [ 1, 4.5, 2, 4.5, 3, 4.5, 4, 4.5 ] } ] }
{ "width" : 8, "depth" : 8, "sunlight" : [ -1, 1, 0 ], "altitude" : [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ], "roads" : [ { "width" : 1, "spine" : [ 0, 0.5, 7, 0.5, 7, 3.5, 4, 3.5, 0, 3.5, 0, 6.5, 4, 6.5 ] } ] }