File size: 2,754 Bytes
77731f3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | #!/usr/bin/env python3
from __future__ import annotations
import argparse
import hashlib
from pathlib import Path
from _common import ensure_dir, read_json, write_json, write_jsonl, write_npy_f4, write_solid_png
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser(description="Materialize selected-view render artifacts.")
parser.add_argument("--selected", type=Path, required=True, help="selected_viewpoints.json.")
parser.add_argument("--output-dir", type=Path, default=Path("outputs/tiny"), help="Run output directory.")
parser.add_argument("--tiny", action="store_true", help="Write deterministic placeholder render artifacts.")
parser.add_argument("--width", type=int, default=64)
parser.add_argument("--height", type=int, default=32)
return parser.parse_args()
def color_from_id(candidate_id: str) -> tuple[int, int, int]:
digest = hashlib.sha256(candidate_id.encode("utf-8")).digest()
return tuple(48 + int(digest[i]) % 176 for i in range(3))
def rel(path: Path, base: Path) -> str:
try:
return str(path.relative_to(base))
except ValueError:
return str(path)
def main() -> None:
args = parse_args()
if not args.tiny:
raise SystemExit("Real rendering is handled by pipelines/run_full_pipeline.py. Use --tiny for smoke-test artifacts.")
selected_doc = read_json(args.selected)
render_dir = ensure_dir(args.output_dir / "renders")
rows = []
for item in selected_doc.get("selected_viewpoints", []):
cid = str(item["candidate_id"])
stem = f"{int(item['rank']):03d}_{cid}"
rgb_path = render_dir / f"{stem}_rgb.png"
depth_path = render_dir / f"{stem}_depth.npy"
pose_path = render_dir / f"{stem}_pose.json"
write_solid_png(rgb_path, args.width, args.height, color_from_id(cid))
write_npy_f4(depth_path, args.height, args.width, 1.0 + 0.05 * int(item["rank"]))
write_json(
pose_path,
{
"candidate_id": cid,
"position": item.get("position", [0.0, 0.0, 0.0]),
"yaw_deg": item.get("yaw_deg", 0.0),
"coordinate_frame": "right-handed, x-right, y-up, z-forward",
},
)
rows.append(
{
"candidate_id": cid,
"rgb": rel(rgb_path, args.output_dir),
"depth": rel(depth_path, args.output_dir),
"pose": rel(pose_path, args.output_dir),
"valid": True,
"invalid_reason": "",
}
)
write_jsonl(render_dir / "validity.jsonl", rows)
print(f"Wrote {len(rows)} tiny render records to {render_dir}")
if __name__ == "__main__":
main()
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