{
  "schemaVersion": 1,
  "title": "From Rain to River — animated documentary explainer",
  "createdAt": "2026-10-14T16:08:08.561Z",
  "reviewedAt": "2026-10-14",
  "provenance": "Original first-party editorial demonstration. A prepared script and storyboard were submitted through Donatello production project storage, billing and workers. Images, character references, narration, music where enabled, Quality scene animation and final rendering were generated in that product workflow. This is not a browser-onboarding or autonomous-scriptwriting test.",
  "input": {
    "style": "documentary",
    "language": "en",
    "aspectRatio": "16:9",
    "narration": "A rain shower reaches the forest floor. Each drop begins a journey shaped by the land.\n\nSome water soaks into the soil. Some remains at the surface and begins to flow.\n\nThis movement over land is called surface runoff. Gravity carries it downhill.\n\nSmall channels feed streams. Streams can join rivers, carrying water through the landscape.\n\nWater can continue toward lakes and oceans. This is only one part of the water cycle.\n\nThese scenes are AI illustrations, not recorded field footage. The explanation follows USGS educational sources.",
    "voice": "Arthur",
    "voiceSpeed": 0.95,
    "musicEnabled": false,
    "musicPrompt": "",
    "subtitlePreset": "classic",
    "subtitleSize": 48
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  "characters": [],
  "scenes": [
    {
      "index": 1,
      "chapter": "Rain reaches the ground",
      "narration": "A rain shower reaches the forest floor. Each drop begins a journey shaped by the land.",
      "visualPrompt": "Low close view of a woodland floor during gentle rainfall, wet fallen leaves and small dark stones. Fine rain falls vertically, small ripples in a shallow puddle, soft ferns in the background. Locked observational camera, clear ground plane, no animals or people. Observational nature-documentary image, plausible real water physics, temperate woodland after rain, natural color and soft daylight, no invented scientific diagrams, no labels, no visible text, no logos or watermarks. Illustrative location, not a claimed real site.",
      "submittedImagePrompt": "Low close view of a woodland floor during gentle rainfall, wet fallen leaves and small dark stones. Fine rain falls vertically, small ripples in a shallow puddle, soft ferns in the background. Locked observational camera, clear ground plane, no animals or people. Observational nature-documentary image, plausible real water physics, temperate woodland after rain, natural color and soft daylight, no invented scientific diagrams, no labels, no visible text, no logos or watermarks. Illustrative location, not a claimed real site.\nRealistic documentary reconstruction, period-appropriate details, natural lighting.\nSetting and objects only. No people, animals or story characters.\nNo captions, text overlays or watermarks.",
      "image": "/gallery/full-video/style-proof-20261014/documentary/scene-1.png",
      "animation": "/gallery/full-video/style-proof-20261014/documentary/animation-1.mp4",
      "animationMode": "Quality (LTX)",
      "sourceDurationSeconds": 5.042,
      "sourceWidth": 1280,
      "sourceHeight": 704,
      "playbackRate": 0.8045213297872341,
      "startSeconds": 0,
      "durationSeconds": 6.266666666666667,
      "narrationDurationSeconds": 6.266666666666667
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    {
      "index": 2,
      "chapter": "Different paths",
      "narration": "Some water soaks into the soil. Some remains at the surface and begins to flow.",
      "visualPrompt": "Nature-documentary macro photograph of saturated dark forest soil immediately after rainfall. A clearly visible narrow ribbon of clear liquid rainwater, about two centimeters wide, runs through one shallow groove from the higher upper background down toward the lower foreground. The water surface glints with small bright daylight reflections and tiny ripples. Wet small pebbles sit fixed at the edge. Dark moist soil and green moss on both sides. The central trickle must be plainly visible, not a dry ditch. Natural soft daylight and shallow depth of field. No diagram, no text, no arrows, no people, no logo. Illustrative woodland location.",
      "submittedImagePrompt": "Nature-documentary macro photograph of saturated dark forest soil immediately after rainfall. A clearly visible narrow ribbon of clear liquid rainwater, about two centimeters wide, runs through one shallow groove from the higher upper background down toward the lower foreground. The water surface glints with small bright daylight reflections and tiny ripples. Wet small pebbles sit fixed at the edge. Dark moist soil and green moss on both sides. The central trickle must be plainly visible, not a dry ditch. Natural soft daylight and shallow depth of field. No diagram, no text, no arrows, no people, no logo. Illustrative woodland location.\nRealistic documentary reconstruction, period-appropriate details, natural lighting.\nSetting and objects only. No people, animals or story characters.\nNo captions, text overlays or watermarks.",
      "image": "/gallery/full-video/style-proof-20261014/documentary/scene-2.png",
      "animation": "/gallery/full-video/style-proof-20261014/documentary/animation-2.mp4",
      "animationMode": "Quality (LTX)",
      "sourceDurationSeconds": 5.042,
      "sourceWidth": 1280,
      "sourceHeight": 704,
      "playbackRate": 0.8845029824561403,
      "startSeconds": 6.266666666666667,
      "durationSeconds": 5.7,
      "narrationDurationSeconds": 5.7
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    {
      "index": 3,
      "chapter": "Surface runoff",
      "narration": "This movement over land is called surface runoff. Gravity carries it downhill.",
      "visualPrompt": "Medium low-angle view along a gently sloping woodland path. A narrow rivulet runs around fixed pebbles toward a small natural drainage channel in the foreground. Realistic small-scale moving water; the background is visibly higher than the foreground. No flood, no people. Observational nature-documentary image, plausible real water physics, temperate woodland after rain, natural color and soft daylight, no invented scientific diagrams, no labels, no visible text, no logos or watermarks. Illustrative location, not a claimed real site.",
      "submittedImagePrompt": "Medium low-angle view along a gently sloping woodland path. A narrow rivulet runs around fixed pebbles toward a small natural drainage channel in the foreground. Realistic small-scale moving water; the background is visibly higher than the foreground. No flood, no people. Observational nature-documentary image, plausible real water physics, temperate woodland after rain, natural color and soft daylight, no invented scientific diagrams, no labels, no visible text, no logos or watermarks. Illustrative location, not a claimed real site.\nRealistic documentary reconstruction, period-appropriate details, natural lighting.\nSetting and objects only. No people, animals or story characters.\nNo captions, text overlays or watermarks.",
      "image": "/gallery/full-video/style-proof-20261014/documentary/scene-3.png",
      "animation": "/gallery/full-video/style-proof-20261014/documentary/animation-3.mp4",
      "animationMode": "Quality (LTX)",
      "sourceDurationSeconds": 5.042,
      "sourceWidth": 1280,
      "sourceHeight": 704,
      "playbackRate": 0.8497191573033709,
      "startSeconds": 11.966666666666667,
      "durationSeconds": 5.933333333333334,
      "narrationDurationSeconds": 5.933333333333334
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    {
      "index": 4,
      "chapter": "Streams come together",
      "narration": "Small channels feed streams. Streams can join rivers, carrying water through the landscape.",
      "visualPrompt": "High oblique observational view of two modest woodland streams joining into one larger stream downstream. Stable stony banks, small ripples, natural green vegetation. A clearly readable Y-shaped confluence, water traveling from the two upper arms toward the lower central outlet. No roads or buildings. Observational nature-documentary image, plausible real water physics, temperate woodland after rain, natural color and soft daylight, no invented scientific diagrams, no labels, no visible text, no logos or watermarks. Illustrative location, not a claimed real site.",
      "submittedImagePrompt": "High oblique observational view of two modest woodland streams joining into one larger stream downstream. Stable stony banks, small ripples, natural green vegetation. A clearly readable Y-shaped confluence, water traveling from the two upper arms toward the lower central outlet. No roads or buildings. Observational nature-documentary image, plausible real water physics, temperate woodland after rain, natural color and soft daylight, no invented scientific diagrams, no labels, no visible text, no logos or watermarks. Illustrative location, not a claimed real site.\nRealistic documentary reconstruction, period-appropriate details, natural lighting.\nSetting and objects only. No people, animals or story characters.\nNo captions, text overlays or watermarks.",
      "image": "/gallery/full-video/style-proof-20261014/documentary/scene-4.png",
      "animation": "/gallery/full-video/style-proof-20261014/documentary/animation-4.mp4",
      "animationMode": "Quality (LTX)",
      "sourceDurationSeconds": 5.042,
      "sourceWidth": 1280,
      "sourceHeight": 704,
      "playbackRate": 0.7306763768115943,
      "startSeconds": 17.9,
      "durationSeconds": 6.9,
      "narrationDurationSeconds": 6.9
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    {
      "index": 5,
      "chapter": "Part of a larger cycle",
      "narration": "Water can continue toward lakes and oceans. This is only one part of the water cycle.",
      "visualPrompt": "Wide landscape of a modest river entering a calm freshwater lake, viewed from a wooded hillside in soft post-rain daylight. Distant low mountains, restrained ripples and thin mist; no identifiable real landmark, no waterfalls, no oversized waves. Slow gentle camera drift only. Observational nature-documentary image, plausible real water physics, temperate woodland after rain, natural color and soft daylight, no invented scientific diagrams, no labels, no visible text, no logos or watermarks. Illustrative location, not a claimed real site.",
      "submittedImagePrompt": "Wide landscape of a modest river entering a calm freshwater lake, viewed from a wooded hillside in soft post-rain daylight. Distant low mountains, restrained ripples and thin mist; no identifiable real landmark, no waterfalls, no oversized waves. Slow gentle camera drift only. Observational nature-documentary image, plausible real water physics, temperate woodland after rain, natural color and soft daylight, no invented scientific diagrams, no labels, no visible text, no logos or watermarks. Illustrative location, not a claimed real site.\nRealistic documentary reconstruction, period-appropriate details, natural lighting.\nSetting and objects only. No people, animals or story characters.\nNo captions, text overlays or watermarks.",
      "image": "/gallery/full-video/style-proof-20261014/documentary/scene-5.png",
      "animation": "/gallery/full-video/style-proof-20261014/documentary/animation-5.mp4",
      "animationMode": "Quality (LTX)",
      "sourceDurationSeconds": 5.042,
      "sourceWidth": 1280,
      "sourceHeight": 704,
      "playbackRate": 0.8175676216216216,
      "startSeconds": 24.799999999999997,
      "durationSeconds": 6.166666666666667,
      "narrationDurationSeconds": 6.166666666666667
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    {
      "index": 6,
      "chapter": "Illustration, not field footage",
      "narration": "These scenes are AI illustrations, not recorded field footage. The explanation follows USGS educational sources.",
      "visualPrompt": "Quiet wide shot of the same kind of calm woodland lake after rain, soft light breaking through clouds and delicate reflections. Natural restrained colors, peaceful stable horizon, no characters, buildings, titles or lettering. Leave the lower quarter visually simple for captions. Observational nature-documentary image, plausible real water physics, temperate woodland after rain, natural color and soft daylight, no invented scientific diagrams, no labels, no visible text, no logos or watermarks. Illustrative location, not a claimed real site.",
      "submittedImagePrompt": "Quiet wide shot of the same kind of calm woodland lake after rain, soft light breaking through clouds and delicate reflections. Natural restrained colors, peaceful stable horizon, no characters, buildings, titles or lettering. Leave the lower quarter visually simple for captions. Observational nature-documentary image, plausible real water physics, temperate woodland after rain, natural color and soft daylight, no invented scientific diagrams, no labels, no visible text, no logos or watermarks. Illustrative location, not a claimed real site.\nRealistic documentary reconstruction, period-appropriate details, natural lighting.\nSetting and objects only. No people, animals or story characters.\nNo captions, text overlays or watermarks.",
      "image": "/gallery/full-video/style-proof-20261014/documentary/scene-6.png",
      "animation": "/gallery/full-video/style-proof-20261014/documentary/animation-6.mp4",
      "animationMode": "Quality (LTX)",
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      "sourceWidth": 1280,
      "sourceHeight": 704,
      "playbackRate": 0.5460289169675091,
      "startSeconds": 30.966666666666665,
      "durationSeconds": 11.233333333333333,
      "narrationDurationSeconds": 9.233333333333333
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  "review": {
    "imageRegenerations": 1,
    "notes": [
      "Replaced scene 2 because the first image looked like a dry ditch rather than visible runoff.",
      "Checked the six illustrated water scenes against the supplied narration. These are generated reconstructions, not observations of a real site.",
      "Re-exported through Donatello with subtitle size 48 instead of 32 for readability. Existing images, clips, voice and music were reused; the export revision charged zero additional credits."
    ],
    "visualSampling": "Every final still, ten sequential frames per source animation, and scene frames in the final export were visually inspected. Full files were decoded; browser playback was checked to completion. This is first-party QA, not an independent quality rating.",
    "audioScope": "Audio streams decoded fully; loudness and peak levels measured. No claim of independent listening review or sample-perfect forced alignment.",
    "subtitleTiming": "Phrase timings are distributed within measured narration clips, not word-level forced alignment."
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    "allReservationsClosed": true,
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    "scope": "This editorial project, including its revisions. Recorded amounts combine provider-reported, calculated and estimated ledger entries; they are not a reconciled invoice or an allocation of subscription and infrastructure costs.",
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  "sources": [
    {
      "label": "Source: USGS — Surface runoff",
      "url": "https://www.usgs.gov/water-science-school/science/runoff-surface-and-overland-water-runoff"
    },
    {
      "label": "Source: USGS — The water cycle",
      "url": "https://www.usgs.gov/water-science-school/water-cycle"
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  "limitations": "Curated short demonstration, not a guarantee of identical results, an unedited first attempt, continuous character acting, lip-sync, a 20-minute stress test or a Relax eligibility/waiting-time test. Animation source clips are retimed to narration by the product renderer. AI illustrations are not documentary field evidence.",
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