{
  "saved_at_utc": "2026-06-27T19:46:25.401237+00:00",
  "stage": "stage_2_view_selection",
  "provider": "openrouter",
  "model": "qwen/qwen3-vl-30b-a3b-instruct",
  "llm_data": {
    "assembly_info": {
      "title": "Sluice Gate",
      "description": "A large sluice gate designed for controlling water flow, featuring a robust frame with multiple support structures and a series of bolted connections for assembly and maintenance.",
      "material": "Steel"
    },
    "selected_views": [
      {
        "type": "Front",
        "reason": "The Front view clearly shows the overall height and the vertical arrangement of the support beams and bolt patterns, which are critical for understanding the gate's structural integrity and alignment."
      },
      {
        "type": "Top",
        "reason": "The Top view reveals the plan layout, including the circular bolt patterns and the spacing between the vertical supports, essential for fabrication and installation."
      },
      {
        "type": "Right",
        "reason": "The Right view provides a side perspective that highlights the depth of the gate and the internal framing, helping to visualize the three-dimensional structure."
      },
      {
        "type": "Isometric",
        "reason": "The Isometric view offers a comprehensive 3D perspective, making it easier to understand the spatial relationships between all components of the gate."
      }
    ],
    "section_views": [
      {
        "symbol": "A",
        "normal": [
          0,
          1,
          0
        ],
        "origin": [
          0.0,
          0.0,
          0.0
        ],
        "reason": "This section cut reveals the internal wall thickness and the arrangement of the support beams, which are not visible in the orthographic views."
      }
    ],
    "detail_views": [
      {
        "reference": "B",
        "base_view": "Front",
        "anchor": [
          -132.243,
          843.0,
          -2615.0
        ],
        "radius": 20,
        "reason": "This detail magnifies a small bolt pattern, providing a clear view of the hole dimensions and spacing for accurate drilling and assembly."
      }
    ],
    "dimensions": {
      "Front": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 5000,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -132.243,
            843.0,
            -2615.0
          ],
          "value_approx": 9.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            132.243,
            843.0,
            -2615.0
          ],
          "value_approx": 9.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 2
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -112.274,
            799.0,
            -2615.0
          ],
          "value_approx": 22.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 3
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            112.274,
            799.0,
            -2615.0
          ],
          "value_approx": 22.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 4
        }
      ],
      "Top": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 363,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -58.0,
            2060.0,
            -3.0
          ],
          "value_approx": 24.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -3.0,
            -650.0,
            -3.0
          ],
          "value_approx": 80.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 2
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -3.0,
            650.0,
            -3.0
          ],
          "value_approx": 80.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 3
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -3.0,
            650.0,
            1750.0
          ],
          "value_approx": 55.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 4
        }
      ],
      "Right": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 5000,
          "placement": "left",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            112.5,
            -722.5,
            881.0
          ],
          "value_approx": 5.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -112.5,
            722.5,
            881.0
          ],
          "value_approx": 5.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 2
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            112.5,
            722.5,
            881.0
          ],
          "value_approx": 5.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 3
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -112.5,
            -722.5,
            881.0
          ],
          "value_approx": 5.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 4
        }
      ],
      "Isometric": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 363,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 5000,
          "placement": "left",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Section A-A": [
        {
          "type": "wall_thickness",
          "dim_type": "Distance",
          "match_strategy": "nearest_parallel_edges",
          "location_3d": [
            0.0,
            0.0,
            0.0
          ],
          "value_approx": 10.0,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -3.0,
            0.0,
            -2678.5
          ],
          "value_approx": 80.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -3.0,
            0.0,
            2678.5
          ],
          "value_approx": 80.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 2
        }
      ],
      "Detail B": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -132.243,
            843.0,
            -2615.0
          ],
          "value_approx": 9.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "center_distance",
          "dim_type": "Distance",
          "match_strategy": "between_circles",
          "circle_a": {
            "location_3d": [
              -132.243,
              843.0,
              -2615.0
            ],
            "radius_approx": 4.5
          },
          "circle_b": {
            "location_3d": [
              -112.274,
              799.0,
              -2615.0
            ],
            "radius_approx": 11.0
          },
          "value_approx": 20.0,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        }
      ]
    }
  }
}