[ { "r": [5, 0, 0], "label": "dot1" }, { "r": [-5, 0, 0], "label": "dot2" }, { "r": [0, 0, 0], "label": "line" }, { "r": [-5, 5, 0], "label": "triangle1" }, { "r": [0, 3.5, 0], "label": "triangle2" }, { "r": [-5, 5, 0.5], "label": "uprise1" }, { "r": [0, 3.5, 0.5], "label": "uprise2" } ]