{
 "clusters": [
  {
   "bg_prompt_en": "",
   "cluster_id": "CL1",
   "member_shot_keys": [
    "S4_Shot1"
   ],
   "overlap_evidence_en": "This overview contains the complete rooftop plane, rooftop room, attached exterior stair, perimeter wall, and water tank, spatially anchoring every more restricted view family.",
   "parent_cluster_id": null,
   "rationale_ko": "확정 플레이트의 고부감 전경과 가장 직접적으로 일치하며, 옥상 바닥·옥탑방·외부 계단·담벼락·물탱크의 전체 배치를 한 화면에서 고정할 수 있어 루트로 지정했다.",
   "spatial_scope_en": "High oblique overview of the full rooftop level above the older multi-unit villa, including the rooftop room and surrounding roof perimeter.",
   "stable_visible_features_en": [
    "Weathered green-painted rooftop plane",
    "Compact rooftop room near the center of the roof",
    "Flat concrete roof slab with stained edges",
    "Attached exterior steel stair",
    "Blue cylindrical rooftop water tank",
    "Concrete perimeter wall around the rooftop",
    "Dense low-rise masonry neighborhood beyond the property"
   ],
   "view_axis_family_en": "Steep downward aerial axis toward the rooftop room and the roof plane surrounding it."
  },
  {
   "bg_prompt_en": "Photorealistic empty rooftop at night, viewed straight toward the exterior face of the same compact rooftop room. Preserve the weathered red-brick and aged off-white concrete surfaces established by the reference plates, a worn gray iron entrance door opening directly onto the green-painted roof, a separate barred rectangular window beside it, exposed utility pipes and meter fittings, stained concrete roof trim, and the blue cylindrical water tank farther along the rooftop. Keep the doorway and window geometry fixed, with clear open rooftop space in front; no people, no silhouettes, no animals.",
   "cluster_id": "CL2",
   "member_shot_keys": [
    "S10_Shot6",
    "S10_Shot7",
    "S11_Shot5"
   ],
   "overlap_evidence_en": "All three shots look directly at the same exterior wall plane of the rooftop room and concentrate on its two adjacent openings: the iron entrance door and the separate window. The door close view and the wider door approach share the identical threshold axis, while the window view retains the same frontal facade orientation.",
   "parent_cluster_id": "CL1",
   "rationale_ko": "세 쇼트 모두 옥탑방의 동일한 외벽 면을 정면 계열로 바라본다. 철문 틈 클로즈업과 옥상 너머 철문 정면은 같은 문턱 축을 공유하고, 창문 그림자 쇼트도 그 옆의 동일 외벽 면과 개구부 배열을 공유하므로 한 클러스터로 묶었다. 전체 옥탑방 외벽 위치는 루트 전경에서 가장 넓게 확인된다.",
   "spatial_scope_en": "Frontal exterior face of the rooftop room, covering the iron entrance threshold, the adjacent exterior window, and the immediate rooftop space before them.",
   "stable_visible_features_en": [
    "Weathered exterior wall of the compact rooftop room",
    "Worn gray iron entrance door opening onto the roof",
    "Separate barred rectangular exterior window",
    "Fixed relative spacing between the door and window",
    "Green-painted rooftop surface at the threshold",
    "Aged concrete trim and exposed utility fittings"
   ],
   "view_axis_family_en": "Near-perpendicular frontal axis toward the rooftop-room facade, ranging from ankle-height threshold detail to eye-level facade coverage."
  },
  {
   "bg_prompt_en": "Photorealistic empty exterior of the same older multi-unit villa at night, seen from face height along the added steel stair between the rear-yard side and the rooftop landing. Show narrow open metal treads, thin steel-plate stringers, support posts, and weathered pipe railings, all worn and lightly rusted, attached to aged red-brick walls with stained concrete bands, barred windows, exposed cables, and wall-mounted air-conditioning units. The green-painted rooftop landing and compact rooftop room should appear only where naturally visible above; no people or animals.",
   "cluster_id": "CL3",
   "member_shot_keys": [
    "S11_Shot4"
   ],
   "overlap_evidence_en": "The shot is physically centered on the added exterior stair and its pipe railing, with the stair flights, open drop, and attached villa wall forming the visible structural field. These elements are also located within the full rooftop-and-building overview.",
   "parent_cluster_id": "CL1",
   "rationale_ko": "이 쇼트의 구조적 중심은 인물이 아니라 중간 계단의 파이프 난간, 개방형 디딤판, 외벽 부착 방식과 아래로 떨어지는 계단 공간이다. 옥탑방 정면 개구부보다 계단 전체 위치와 건물 결합 관계를 보여 주는 루트 전경과 더 많이 겹치므로 루트의 자식으로 두었다.",
   "spatial_scope_en": "Middle and upper portions of the added exterior steel stair, including its railings, open treads, supporting frame, attached villa wall, and rooftop landing connection.",
   "stable_visible_features_en": [
    "Open steel stair treads",
    "Thin steel-plate stringers",
    "Weathered pipe railings",
    "Vertical steel support members",
    "Attachment to the aged masonry villa wall",
    "Open vertical drop beside the stair",
    "Upper connection to the green-painted rooftop landing"
   ],
   "view_axis_family_en": "Oblique axis along and slightly across the exterior stair flight from a position near the railing."
  },
  {
   "bg_prompt_en": "Photorealistic empty rooftop at dawn, viewed at parapet height parallel to the perimeter wall of the same older multi-unit villa. Show the long weather-stained concrete wall with a green-painted inner base, chipped edges, dark runoff marks, and the worn green rooftop plane running beside it. Maintain glimpses of the compact rooftop room, blue cylindrical water tank, utility lines, and dense low-rise masonry buildings only where the parallel wall angle permits. Leave clear open space beyond the wall edge; no people or animals.",
   "cluster_id": "CL4",
   "member_shot_keys": [
    "S17_Shot2"
   ],
   "overlap_evidence_en": "The shot runs broadside along the rooftop perimeter wall, using the wall cap and outer drop as its dominant fixed geometry. The same perimeter wall, rooftop plane, and exterior edge are clearly mapped in the high overview.",
   "parent_cluster_id": "CL1",
   "rationale_ko": "이 쇼트는 옥탑방 문이나 계단이 아니라 옥상 담벼락의 상단, 안쪽 옥상 바닥, 바깥 낙차를 평행 방향으로 보여 준다. 담 전체의 위치와 옥상 외곽선은 고부감 루트 전경에서 가장 명확히 연결되므로 별도 클러스터로 분리하고 루트에 직접 연결했다.",
   "spatial_scope_en": "Rooftop perimeter wall and the narrow adjoining strip of roof, including the wall cap, inner face, and exterior drop beyond it.",
   "stable_visible_features_en": [
    "Weather-stained concrete rooftop perimeter wall",
    "Continuous wall cap wide enough to define a crossing line",
    "Green-painted inner wall base",
    "Worn green rooftop surface beside the wall",
    "Open exterior drop beyond the parapet",
    "Dense low-rise urban surroundings outside the property"
   ],
   "view_axis_family_en": "Low broadside axis parallel to the rooftop perimeter wall at approximately wall-cap height."
  }
 ]
}