{
  "description": "Sony's global tone curve with the Dynamic Range Optimizer (DRO) off, Standard creative style: knots of scene luminance (white-balanced camera RGB with baseline exposure, through the colour model) to display-linear luminance. The camera look of an ARW shot with DRO on is lowered to it wherever it is darker (crates/engine/src/camera_preview.rs, docs/camera-preview-colour.md, issue #244).",
  "derivation": "Each source raw was paired with its own embedded camera JPEG at the 96-pixel proxy of the per-photo fit (camera_preview::collect_pairs). The pairs of all 12 files were pooled as one model, as lightcraft-cli calibrate pools a camera profile: a colour matrix and hue/saturation table were fitted to the pool, and the tone curve was quantile-matched (camera_preview::fit_tone) between the pooled scene luminances through that colour model and the JPEG luminances. Knots rounded to 5 decimals. Aggregate statistics only, no image content.",
  "sources": [
    { "body": "ILCA-77M2", "url": "https://raw.pixls.us/data/Sony/ILCA-77M2/_DSC0244.ARW", "sha256": "f41ceff680b675460cc1fe258a24d8c8c01c52a300933f3ab6401d9a20b60dcc", "licence": "CC0" },
    { "body": "ILCE-3500", "url": "https://raw.pixls.us/data/Sony/ILCE-3500/DSC06923.ARW", "sha256": "04c4fe04425c3e6fff7c8af0f811923c35e750300373357bd54342150c5505d8", "licence": "CC0" },
    { "body": "ILCE-5000", "url": "https://raw.pixls.us/data/Sony/ILCE-5000/_DSC0793.ARW", "sha256": "a919c8535eed68577f1745fb9674ccf333962628ccdec6d48a6f635208467f6c", "licence": "CC0" },
    { "body": "ILCE-6600", "url": "https://raw.pixls.us/data/Sony/ILCE-6600/_DSC0268.ARW", "sha256": "041d71d70148ca77164f19d061e3582adb34399ea5a4baba32960f2956fb0362", "licence": "CC0" },
    { "body": "ILCE-7CR", "url": "https://raw.pixls.us/data/Sony/ILCE-7CR/DSC00798.ARW", "sha256": "f5096e8fbccf0842c8a57763cabd2836608f019eb7fd54f7b22260c2f5bc4da5", "licence": "CC0" },
    { "body": "ILCE-7M3", "url": "https://raw.pixls.us/data/Sony/ILCE-7M3/UNCOMPRESSED_14bit.ARW", "sha256": "ece80551abf64949dbe826985a80f1d9b265401ee4ea6b989e1829549616fdcd", "licence": "CC0" },
    { "body": "ILCE-7M3", "url": "https://raw.pixls.us/data/Sony/ILCE-7M3/_DSC0009.ARW", "sha256": "250784580ea527442c09004417bb0eead484f2bf3ee8f9121a776ac65bb50d0f", "licence": "CC0" },
    { "body": "ILCE-7M3", "url": "https://raw.pixls.us/data/Sony/ILCE-7M3/_DSC0010.ARW", "sha256": "3ae2ff75cfa7240d0b4458f662afd28665c5fd1e83d230ac73f5ad69d3df8592", "licence": "CC0" },
    { "body": "ILCE-7S", "url": "https://raw.pixls.us/data/Sony/ILCE-7S/DSC04125.ARW", "sha256": "7cc338a0abc8fdad32d61006f1f8f412297b93e040c7efba572eb2bd8f8e8be2", "licence": "CC0" },
    { "body": "ILCE-9M2", "url": "https://raw.pixls.us/data/Sony/ILCE-9M2/SONY_A9II_(ILCE-9M2)_-_compressed_(3:2)_14bit.ARW", "sha256": "161c2a9da2b5f1e50be6117a0b4da0ce249660b5d7de13568d301c4034716b97", "licence": "CC0" },
    { "body": "NEX-F3", "url": "https://raw.pixls.us/data/Sony/NEX-F3/_DSC4017.ARW", "sha256": "cfdc60d118b5ce2dce10d459dcb98ad63c6db3e609999932ca8964d86daf836b", "licence": "CC0" },
    { "body": "SLT-A57", "url": "https://raw.pixls.us/data/Sony/SLT-A57/a57-06125.arw", "sha256": "0e9064f369a3947f892c1d7b1971f75d3879f5673134932d5cc7a67bf4263ba4", "licence": "CC0" }
  ],
  "knots": [
    [0.01655, 0.01799],
    [0.01970, 0.02376],
    [0.02212, 0.03008],
    [0.02469, 0.03634],
    [0.02737, 0.04320],
    [0.03049, 0.05044],
    [0.03425, 0.05812],
    [0.03824, 0.06667],
    [0.04232, 0.07817],
    [0.04658, 0.09059],
    [0.05095, 0.10268],
    [0.05550, 0.11731],
    [0.05962, 0.13173],
    [0.06409, 0.14529],
    [0.06843, 0.15939],
    [0.07314, 0.17363],
    [0.07800, 0.18897],
    [0.08298, 0.20502],
    [0.08909, 0.22159],
    [0.09693, 0.23964],
    [0.10540, 0.26082],
    [0.11579, 0.28882],
    [0.12763, 0.31986],
    [0.14079, 0.35198],
    [0.15786, 0.39293],
    [0.17949, 0.44101],
    [0.20330, 0.49407],
    [0.23466, 0.54244],
    [0.27207, 0.60078],
    [0.31673, 0.66533],
    [0.38682, 0.74143],
    [0.52622, 0.80307]
  ]
}