{
    "image_size": {
      "width": 512,
      "height": 512
    },
    "coordinate_system": {
      "origin": "top_left",
      "x_axis": "to_right",
      "y_axis": "downward"
    },
    "objects": [
      {
        "id": "red_ball",
        "category": "circle",
        "color_rgb": [240, 78, 67],
        "position": {
          "center_x": 49.02,
          "center_y": 123.35
        },
        "bbox": {
          "x_min": 32,
          "y_min": 104,
          "x_max": 69,
          "y_max": 143,
          "width": 38,
          "height": 40
        },
        "size": {
          "area_pixels": 1164,
          "radius_pixels": 19.25
        }
      },
      {
        "id": "black_ball_1",
        "category": "circle",
        "color_rgb": [0, 0, 0],
        "position": {
          "center_x": 204.26,
          "center_y": 229.96
        },
        "bbox": {
          "x_min": 194,
          "y_min": 220,
          "x_max": 214,
          "y_max": 240,
          "width": 21,
          "height": 21
        },
        "size": {
          "area_pixels": 342,
          "radius_pixels": 10.43
        }
      },
      {
        "id": "black_ball_2",
        "category": "circle",
        "color_rgb": [0, 0, 0],
        "position": {
          "center_x": 254.87,
          "center_y": 258.79
        },
        "bbox": {
          "x_min": 245,
          "y_min": 249,
          "x_max": 265,
          "y_max": 269,
          "width": 21,
          "height": 21
        },
        "size": {
          "area_pixels": 344,
          "radius_pixels": 10.46
        }
      },
      {
        "id": "black_ball_3",
        "category": "circle",
        "color_rgb": [0, 0, 0],
        "position": {
          "center_x": 314.11,
          "center_y": 280.04
        },
        "bbox": {
          "x_min": 304,
          "y_min": 270,
          "x_max": 324,
          "y_max": 290,
          "width": 21,
          "height": 21
        },
        "size": {
          "area_pixels": 347,
          "radius_pixels": 10.51
        }
      },
      {
        "id": "black_ball_4",
        "category": "circle",
        "color_rgb": [0, 0, 0],
        "position": {
          "center_x": 415.02,
          "center_y": 297.98
        },
        "bbox": {
          "x_min": 405,
          "y_min": 288,
          "x_max": 425,
          "y_max": 308,
          "width": 21,
          "height": 21
        },
        "size": {
          "area_pixels": 348,
          "radius_pixels": 10.52
        }
      },
      {
        "id": "black_bar",
        "category": "line_segment",
        "color_rgb": [0, 0, 0],
        "position": {
          "center_x": 73.52,
          "center_y": 460.36
        },
        "bbox": {
          "x_min": 0,
          "y_min": 422,
          "x_max": 149,
          "y_max": 498,
          "width": 150,
          "height": 77
        },
        "size": {
          "area_pixels": 1684,
          "length_pixels": 163.97,
          "thickness_pixels": 10.27
        },
        "orientation": {
          "angle_deg": -24.58,
          "definition": "angle from +x axis, counter-clockwise"
        }
      },
      {
        "id": "horizontal_gray_bar",
        "category": "line_segment",
        "color_rgb": [189, 201, 209],
        "position": {
          "center_x": 176.99,
          "center_y": 308.19
        },
        "bbox": {
          "x_min": 80,
          "y_min": 297,
          "x_max": 275,
          "y_max": 318,
          "width": 196,
          "height": 22
        },
        "size": {
          "area_pixels": 1524,
          "length_pixels": 195.17,
          "thickness_pixels": 7.81
        },
        "orientation": {
          "angle_deg": 1.19,
          "definition": "angle from +x axis, counter-clockwise"
        }
      },
      {
        "id": "tilted_gray_bar",
        "category": "line_segment",
        "color_rgb": [189, 201, 208],
        "position": {
          "center_x": 187.06,
          "center_y": 306.73
        },
        "bbox": {
          "x_min": 88,
          "y_min": 249,
          "x_max": 265,
          "y_max": 359,
          "width": 178,
          "height": 111
        },
        "size": {
          "area_pixels": 1606,
          "length_pixels": 202.48,
          "thickness_pixels": 7.93
        },
        "orientation": {
          "angle_deg": 26.13,
          "definition": "angle from +x axis, counter-clockwise"
        }
      },
      {
        "id": "vertical_pillar_left",
        "category": "rectangle_bar",
        "color_rgb": [185, 200, 209],
        "position": {
          "center_x": 229.5,
          "center_y": 433.5
        },
        "bbox": {
          "x_min": 224,
          "y_min": 356,
          "x_max": 235,
          "y_max": 511,
          "width": 12,
          "height": 156
        },
        "size": {
          "area_pixels": 1546,
          "length_pixels": 156.0,
          "thickness_pixels": 12.0
        },
        "orientation": {
          "angle_deg": 90.0,
          "definition": "angle from +x axis, counter-clockwise"
        }
      },
      {
        "id": "vertical_pillar_middle",
        "category": "rectangle_bar",
        "color_rgb": [184, 200, 209],
        "position": {
          "center_x": 307.5,
          "center_y": 447.5
        },
        "bbox": {
          "x_min": 302,
          "y_min": 384,
          "x_max": 313,
          "y_max": 511,
          "width": 12,
          "height": 128
        },
        "size": {
          "area_pixels": 1536,
          "length_pixels": 128.0,
          "thickness_pixels": 12.0
        },
        "orientation": {
          "angle_deg": 90.0,
          "definition": "angle from +x axis, counter-clockwise"
        }
      },
      {
        "id": "vertical_pillar_right",
        "category": "rectangle_bar",
        "color_rgb": [185, 200, 209],
        "position": {
          "center_x": 383.0,
          "center_y": 459.0
        },
        "bbox": {
          "x_min": 377,
          "y_min": 408,
          "x_max": 391,
          "y_max": 511,
          "width": 15,
          "height": 104
        },
        "size": {
          "area_pixels": 1241,
          "length_pixels": 104.0,
          "thickness_pixels": 15.0
        },
        "orientation": {
          "angle_deg": 90.0,
          "definition": "angle from +x axis, counter-clockwise"
        }
      }
    ]
  }