{ "street_nodes":{ "node1":[3.3,3.5], "node2":[10.3,3.5], "node3": [15.4,3.5], "node4":[17.9,3.5], "node5":[10.3,17.7], "node6":[14.95,17.7], "node7":[17.9,17.7], "node8":[10.3,-0.18], "node11":[18.8,3.5] }, "space_nodes":{ "A1":[15.4,7.5,"node3"], "B1":[14.85,13.7,"node6"] }, "roads":{ "road1":["node1","node2","node3","node4","node11"], "road2":["node8","node5","node2"], "road3":["node5","node6","node7"] } }