{
  "source": "05_壳体与盖件/0501_箱体壳体/050199_通用壳体/Alternator Housing.solidworks_evidence_v2.json",
  "part_id": "Alternator-Housing",
  "source_status": "hybrid_semantic_surfaceir_pending",
  "source_self_validation": {
    "schema": "solidworks.cad_evidence.self_validation.v1",
    "passed": false,
    "meaning": "complete reusable extraction; not a claim of backend feature support or 1:1 rebuild",
    "counts": {
      "features": 21,
      "opaque_exact_geometry_features": 4,
      "typed_body_features": 0,
      "direct_semantic_features": 0,
      "typed_features_requiring_history": 0,
      "complete_history_features": 0,
      "spline_segments": 0,
      "incomplete_splines": 0,
      "exact_bcurves": 0,
      "incomplete_bcurves": 0,
      "exact_bsurfaces": 0,
      "incomplete_bsurfaces": 0,
      "exact_trimmed_faces": 0,
      "incomplete_trimmed_faces": 0,
      "missing_exact_geometry_catalog_references": 0,
      "incomplete_topology_records": 0,
      "skipped_getter_signatures": 0
    },
    "feature_contracts": [
      {
        "feature": "输入1",
        "family": "opaque_exact_geometry",
        "passed": false,
        "blockers": [
          "opaque/imported feature geometry capture is incomplete",
          "only 0/344 owned faces were captured"
        ]
      },
      {
        "feature": "输入2",
        "family": "opaque_exact_geometry",
        "passed": false,
        "blockers": [
          "opaque/imported feature geometry capture is incomplete",
          "only 0/4 owned faces were captured"
        ]
      },
      {
        "feature": "输入3",
        "family": "opaque_exact_geometry",
        "passed": false,
        "blockers": [
          "opaque/imported feature geometry capture is incomplete",
          "only 0/4 owned faces were captured"
        ]
      },
      {
        "feature": "输入4",
        "family": "opaque_exact_geometry",
        "passed": false,
        "blockers": [
          "opaque/imported feature geometry capture is incomplete",
          "only 0/4 owned faces were captured"
        ]
      }
    ],
    "blockers": [
      "输入1: opaque/imported feature geometry capture is incomplete",
      "输入1: only 0/344 owned faces were captured",
      "输入2: opaque/imported feature geometry capture is incomplete",
      "输入2: only 0/4 owned faces were captured",
      "输入3: opaque/imported feature geometry capture is incomplete",
      "输入3: only 0/4 owned faces were captured",
      "输入4: opaque/imported feature geometry capture is incomplete",
      "输入4: only 0/4 owned faces were captured"
    ]
  },
  "step_inference": {
    "available": true,
    "face_count": 448,
    "surface_counts": {
      "bspline": 157,
      "cylinder": 212,
      "plane": 79
    },
    "axis_count": 212,
    "repeat_spacings_mm": [
      {
        "spacing_mm": 31.0069,
        "pair_count": 5
      },
      {
        "spacing_mm": 51.2445,
        "pair_count": 5
      },
      {
        "spacing_mm": 4.4,
        "pair_count": 5
      },
      {
        "spacing_mm": 7.5,
        "pair_count": 4
      },
      {
        "spacing_mm": 44.6181,
        "pair_count": 4
      },
      {
        "spacing_mm": 68.9475,
        "pair_count": 4
      },
      {
        "spacing_mm": 49.0295,
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      },
      {
        "spacing_mm": 53.4065,
        "pair_count": 4
      },
      {
        "spacing_mm": 57.4543,
        "pair_count": 4
      },
      {
        "spacing_mm": 6.5,
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      },
      {
        "spacing_mm": 44.7747,
        "pair_count": 4
      },
      {
        "spacing_mm": 15.4862,
        "pair_count": 4
      }
    ],
    "metrics": {
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        -2.0000001,
        54.938571096,
        50.0000001,
        35.000000175
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      "volume_mm3": 24920.159562968,
      "surface_area_mm2": 41224.398313812,
      "solid_count": 4,
      "face_count": 448,
      "edge_count": 1097,
      "vertex_count": 662
    },
    "error": null,
    "truth_comparison": {
      "expected_from_evidence": {
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          54.939240719,
          50.000915179,
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        "volume_mm3": 24905.510314823,
        "surface_area_mm2": 41223.200429793,
        "solid_count": 4,
        "face_count": 356,
        "edge_count": 831,
        "vertex_count": 477
      },
      "comparisons": {
        "volume_mm3": {
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          "actual": 24920.159562968,
          "absolute_delta": 14.649248145000456,
          "within_tolerance": false
        },
        "surface_area_mm2": {
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          "absolute_delta": 1.197884018998593,
          "within_tolerance": true
        },
        "bounding_box_mm": {
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          "actual": [
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            35.000000175
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          "max_absolute_delta": 1.5020583460000054,
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        },
        "solid_count": {
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          "actual": 4,
          "matches": true
        },
        "face_count": {
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          "actual": 448,
          "matches": false
        },
        "edge_count": {
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          "matches": false
        },
        "vertex_count": {
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          "actual": 662,
          "matches": false
        }
      },
      "numeric_geometry_match": false,
      "topology_counts_match": false
    }
  },
  "features": [
    {
      "feature_id": "f_001",
      "source_name": "前视基准面",
      "atomic_id": "reference_plane",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_002",
      "source_name": "上视基准面",
      "atomic_id": "reference_plane",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_003",
      "source_name": "右视基准面",
      "atomic_id": "reference_plane",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
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  ],
  "semantic_validation": {
    "schema_version": "1.1.0",
    "feature_count": 3,
    "sketch_count": 1,
    "deferred_feature_ids": [
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      "f_002",
      "f_003"
    ],
    "unresolved": [],
    "future_rebuild_ready": true
  }
}