{
  "width": 1200,
  "height": 900,
  "sample_scale": 2,
  "camera": {
    "type": "orthographic",
    "target": [
      4,
      0,
      -2.8
    ],
    "direction": [
      -0.6,
      1.8,
      1.3
    ],
    "distance": 140,
    "vertical_span": 24,
    "up": [
      0,
      0,
      1
    ]
  },
  "hidden_objects": [
    "fbx-1524956416"
  ],
  "clipping": [],
  "clip_intersection": true,
  "state_note": "run_004 原位局部辅助视图：观察方向和上方向沿用 run_003 主图，只改变局部取景中心与正交跨度，所有对象世界变换不变。继承隐藏独立上盖和原电机剖切（去掉 y>0 或 z>0.4），继承下壳前壁教学窗口 x[-17.5,-2.5] 与 x[2.5,10.5], y>=7, z[-7.93,-0.3]。窗口不是原件已有孔，截面仍归原源 ID。仅在本辅助图中，auxiliary.context_objects 指定的实测遮挡源对象取消实体填充，改用真实几何定位轮廓；中央孔座另按明确源面区提取轮廓。run_003 主图及其完整下壳、孔座、安装结构保持原结果不变。",
  "style": {
    "background": "#f5f3ed",
    "outline": "#343c3e",
    "outline_width": 0.65,
    "light_direction": [
      -0.4,
      0.5,
      1
    ],
    "shade_levels": [
      0.45,
      0.62,
      0.78,
      0.94,
      1.08
    ],
    "cut_factor": 1.12,
    "cut_outline_width": 0.7
  },
  "geometry_cuts": [
    {
      "name": "motor-front-upper-section",
      "objects": [
        "fbx-1530273456",
        "fbx-1520831824",
        "fbx-1530298080"
      ],
      "planes": [
        {
          "normal": [
            0,
            1,
            0
          ],
          "constant": 0
        },
        {
          "normal": [
            0,
            0,
            1
          ],
          "constant": -0.4
        }
      ],
      "remove_mode": "union"
    },
    {
      "name": "lower-gear-observation-window",
      "objects": [
        "fbx-1513163248"
      ],
      "volumes": [
        [
          {
            "normal": [
              1,
              0,
              0
            ],
            "constant": 17.5
          },
          {
            "normal": [
              -1,
              0,
              0
            ],
            "constant": -2.5
          },
          {
            "normal": [
              0,
              1,
              0
            ],
            "constant": -7
          },
          {
            "normal": [
              0,
              0,
              1
            ],
            "constant": 7.93
          },
          {
            "normal": [
              0,
              0,
              -1
            ],
            "constant": -0.3
          }
        ],
        [
          {
            "normal": [
              1,
              0,
              0
            ],
            "constant": -2.5
          },
          {
            "normal": [
              -1,
              0,
              0
            ],
            "constant": 10.5
          },
          {
            "normal": [
              0,
              1,
              0
            ],
            "constant": -7
          },
          {
            "normal": [
              0,
              0,
              1
            ],
            "constant": 7.93
          },
          {
            "normal": [
              0,
              0,
              -1
            ],
            "constant": -0.3
          }
        ]
      ],
      "protection_note": "保留 x[-2.5,2.5] 的整段原壳，包含截面核对确认位于 x=0,y=9.6 的前沿安装孔及其孔座；不将其下方掏空。"
    }
  ],
  "view_id": "aux004",
  "target_source_id": "fbx-1524944752",
  "parent_view": "output/run_003/view.json",
  "annotation": "局部辅助观察；部分遮挡件以轮廓示意，零件保持原位。",
  "auxiliary": {
    "context_objects": [
      {
        "source_id": "fbx-1524946048",
        "reason": "同方向、同局部相机的目标独立投影与实际深度采样相交，确认其实体面遮挡目标",
        "first_pass_covered_samples": 187132,
        "representation": "context-outline; solid fill disabled only in auxiliary",
        "contour": {
          "epsilon_svg": 1,
          "min_area_svg": 30,
          "outer_only": true,
          "max_paths": 2
        },
        "occlusion_stage": 1
      },
      {
        "source_id": "fbx-1513167456",
        "reason": "同方向、同局部相机的目标独立投影与实际深度采样相交，确认其实体面遮挡目标",
        "first_pass_covered_samples": 143820,
        "representation": "context-outline; solid fill disabled only in auxiliary",
        "contour": {
          "epsilon_svg": 1,
          "min_area_svg": 30,
          "outer_only": true,
          "max_paths": 2
        },
        "occlusion_stage": 1
      },
      {
        "source_id": "fbx-1513163248",
        "reason": "同方向、同局部相机的目标独立投影与实际深度采样相交，确认其实体面遮挡目标",
        "first_pass_covered_samples": 142547,
        "representation": "context-outline; solid fill disabled only in auxiliary",
        "contour": {
          "epsilon_svg": 1,
          "min_area_svg": 30,
          "outer_only": true,
          "max_paths": 2
        },
        "occlusion_stage": 1
      },
      {
        "source_id": "fbx-1524959008",
        "reason": "同方向、同局部相机的目标独立投影与实际深度采样相交，确认其实体面遮挡目标",
        "first_pass_covered_samples": 28480,
        "representation": "context-outline; solid fill disabled only in auxiliary",
        "contour": {
          "epsilon_svg": 1,
          "min_area_svg": 30,
          "outer_only": true,
          "max_paths": 2
        },
        "occlusion_stage": 1
      },
      {
        "source_id": "fbx-1572489808",
        "reason": "同方向、同局部相机的目标独立投影与实际深度采样相交，确认其实体面遮挡目标",
        "first_pass_covered_samples": 6838,
        "representation": "context-outline; solid fill disabled only in auxiliary",
        "contour": {
          "epsilon_svg": 1,
          "min_area_svg": 30,
          "outer_only": true,
          "max_paths": 2
        },
        "occlusion_stage": 1
      },
      {
        "source_id": "fbx-1524953824",
        "reason": "去除第一层遮挡后，在同一相机目标覆盖中实测为下一层遮挡；仅辅助图取消实体填充",
        "occlusion_stage": 2,
        "second_pass_covered_samples": 45374,
        "representation": "context-outline",
        "contour": {
          "epsilon_svg": 1,
          "min_area_svg": 30,
          "outer_only": true,
          "max_paths": 2
        }
      },
      {
        "source_id": "fbx-1572492400",
        "reason": "去除第一层遮挡后，在同一相机目标覆盖中实测为下一层遮挡；仅辅助图取消实体填充",
        "occlusion_stage": 2,
        "second_pass_covered_samples": 3680,
        "representation": "context-outline",
        "contour": {
          "epsilon_svg": 1,
          "min_area_svg": 30,
          "outer_only": true,
          "max_paths": 2
        }
      },
      {
        "source_id": "fbx-1524414944",
        "reason": "去除第一层遮挡后，在同一相机目标覆盖中实测为下一层遮挡；仅辅助图取消实体填充",
        "occlusion_stage": 2,
        "second_pass_covered_samples": 2441,
        "representation": "context-outline",
        "contour": {
          "epsilon_svg": 1,
          "min_area_svg": 30,
          "outer_only": true,
          "max_paths": 2
        }
      }
    ],
    "context_regions": [
      {
        "id": "front-mounting-pillar",
        "source_id": "fbx-1513163248",
        "bounds": {
          "x": [
            -2.5,
            2.5
          ],
          "y": [
            7,
            12
          ],
          "z": [
            -10.85,
            1.35
          ]
        },
        "reason": "按 run_003 已确认保护范围选择原壳中央孔座面区；仅提取定位轮廓，不新增实体面",
        "representation": "context-outline"
      }
    ],
    "target_probe": true,
    "context_style": {
      "stroke": "#84908b",
      "stroke_width": 1.1,
      "dasharray": "5 5",
      "opacity": 0.9,
      "layer": "behind-solid-geometry",
      "interpretation": "定位轮廓，不表示实体可见面或移动位置"
    },
    "solid_objects_policy": "保留其余几何的实际深度遮挡，不按源组/颜色统一隐藏",
    "view_relation": "与主图 direction/up 完全一致；只改变正交相机 target 与 vertical_span，全部对象 world_transform 不变",
    "callouts": [
      {
        "sample": "context_fbx-1524946048",
        "source_id": "fbx-1524946048",
        "text": "上层源对象（轮廓，候选）",
        "label": [
          385,
          35
        ],
        "anchor_near": [
          600,
          65
        ]
      },
      {
        "sample": "region_front-mounting-pillar",
        "source_id": "fbx-1513163248",
        "text": "中央孔座原位轮廓",
        "label": [
          820,
          820
        ],
        "anchor_near": [
          711,
          760
        ]
      }
    ]
  },
  "annotation_footer_height": 90
}