{
 "film": "064-parabolas",
 "title": "Parabolas (etc.) \u2014 Curves With Different Causes",
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   "label": "HANGING (static outline, context): woman pegs a sheet on a clothesline; the lines run obliquely from the post (Health: Your Posture, 1953)",
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   "t_in": 7.6,
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   "label": "HANGING (closer, loaded): laundry strung between buildings; the line carries the garments (Story of a City: New York, 1946)",
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   "t_in": 12.6,
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   "label": "TRAJECTORY (tracked candidate): a diver runs off the board and enters the water; camera pans slightly (Industry on Parade: Sylacauga Saga, undated)",
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   "t_in": 14.8,
   "t_out": 18.4,
   "label": "TRAJECTORY seen by a following camera: a diver tumbles from a high platform; the camera keeps him near frame centre (Selected scenes of sport personalities, 1951)",
   "card": null,
   "layers": [
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   "t_in": 18.4,
   "t_out": 25.6,
   "label": "TRAJECTORY seen by a tilting camera, possibly slowed: high dive against clouds (Century of Progress Exposition, 1933)",
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  },
  {
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   "t_in": 25.6,
   "t_out": 27.7,
   "label": "JET (moving fluid, static shape): firefighters' hose stream (Structure Protection Strategies, 2003)",
   "card": null,
   "layers": [
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   "t_in": 27.7,
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   "label": "ARCH (built, static outline): train enters an arched station hall; camera moves forward (Berlin: Symphony of a Great City, 1927)",
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     "clip_in": 0.0,
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   "t_in": 31.45,
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   "label": "ARCH (built, static camera): a round-headed doorway at the end of a sculpture gallery (Miss Clark Introduces Panorama, 1960)",
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   "t_in": 34.45,
   "t_out": 36.45,
   "label": "REPLAY + GUIDE A (model overlay): diver hip positions, camera pan compensated; fitted x linear / y quadratic in t",
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     "clip_in": 2.6,
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     "film_time_in": 189.69,
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   "t_in": 36.45,
   "t_out": 42.85,
   "label": "REPLAY + GUIDE B (model overlay, departs): screen-space track of the high diver with the same model; camera tilt makes the fit fail",
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