{
    "image_size": {
      "width": 512,
      "height": 512
    },
    "coordinate_system": {
      "origin": "top_left",
      "x_axis": "to_right",
      "y_axis": "downward"
    },
    "objects": [
      {
        "id": "gray_ball_small",
        "category": "circle",
        "color_rgb": [186, 201, 209],
        "position": {
          "center_x": 166.35,
          "center_y": 139.83
        },
        "bbox": {
          "x_min": 148,
          "y_min": 121,
          "x_max": 185,
          "y_max": 159,
          "width": 38,
          "height": 39
        },
        "size": {
          "area_pixels": 1202,
          "radius_pixels": 19.68
        }
      },
      {
        "id": "tilted_u_shape",
        "category": "u_shape",
        "color_rgb": [198, 209, 216],
        "position": {
          "center_x": 201.85,
          "center_y": 208.94
        },
        "bbox": {
          "x_min": 146,
          "y_min": 120,
          "x_max": 273,
          "y_max": 271,
          "width": 128,
          "height": 152
        },
        "size": {
          "area_pixels": 3287,
          "stroke_thickness_pixels": 9.99,
          "width_pixels": 128,
          "height_pixels": 152
        },
        "orientation": {
          "angle_deg": 29.4,
          "definition": "angle from +x axis, counter-clockwise"
        }
      },
      {
        "id": "gray_ball_large",
        "category": "circle",
        "color_rgb": [188, 202, 211],
        "position": {
          "center_x": 291.55,
          "center_y": 226.7
        },
        "bbox": {
          "x_min": 260,
          "y_min": 197,
          "x_max": 322,
          "y_max": 256,
          "width": 63,
          "height": 60
        },
        "size": {
          "area_pixels": 2854,
          "radius_pixels": 33.02
        }
      },
      {
        "id": "red_ball",
        "category": "circle",
        "color_rgb": [238, 80, 70],
        "position": {
          "center_x": 221.48,
          "center_y": 297.5
        },
        "bbox": {
          "x_min": 200,
          "y_min": 276,
          "x_max": 243,
          "y_max": 319,
          "width": 44,
          "height": 44
        },
        "size": {
          "area_pixels": 1530,
          "radius_pixels": 22.19
        }
      },
      {
        "id": "vertical_pillar_1",
        "category": "rectangle_bar",
        "color_rgb": [184, 200, 210],
        "position": {
          "center_x": 140.5,
          "center_y": 460.5
        },
        "bbox": {
          "x_min": 136,
          "y_min": 410,
          "x_max": 145,
          "y_max": 511,
          "width": 10,
          "height": 102
        },
        "size": {
          "area_pixels": 1020,
          "length_pixels": 102.0,
          "thickness_pixels": 10.0
        },
        "orientation": {
          "angle_deg": 90.0,
          "definition": "angle from +x axis, counter-clockwise"
        }
      },
      {
        "id": "vertical_pillar_2",
        "category": "rectangle_bar",
        "color_rgb": [195, 209, 216],
        "position": {
          "center_x": 217.5,
          "center_y": 447.5
        },
        "bbox": {
          "x_min": 212,
          "y_min": 384,
          "x_max": 223,
          "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_3",
        "category": "rectangle_bar",
        "color_rgb": [184, 201, 208],
        "position": {
          "center_x": 294.49,
          "center_y": 434.35
        },
        "bbox": {
          "x_min": 288,
          "y_min": 358,
          "x_max": 299,
          "y_max": 511,
          "width": 12,
          "height": 154
        },
        "size": {
          "area_pixels": 1543,
          "length_pixels": 154.0,
          "thickness_pixels": 12.0
        },
        "orientation": {
          "angle_deg": 90.0,
          "definition": "angle from +x axis, counter-clockwise"
        }
      },
      {
        "id": "vertical_pillar_4",
        "category": "rectangle_bar",
        "color_rgb": [190, 205, 212],
        "position": {
          "center_x": 371.49,
          "center_y": 421.87
        },
        "bbox": {
          "x_min": 366,
          "y_min": 332,
          "x_max": 378,
          "y_max": 511,
          "width": 13,
          "height": 180
        },
        "size": {
          "area_pixels": 2151,
          "length_pixels": 180.0,
          "thickness_pixels": 13.0
        },
        "orientation": {
          "angle_deg": 90.0,
          "definition": "angle from +x axis, counter-clockwise"
        }
      }
    ]
  }