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Four Issues To Consider

Four Issues To Consider . When Producing Fulldome Content for Wide Distribution. Brad Thompson – Lead Animator Spitz, Inc. Creative Media. Producing Fulldome Content For Wide Distribution. Nominal Camera Tilt Action and Text Safe Areas Gamma Star Decimation. Test Theaters.

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Four Issues To Consider

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  1. Four Issues To Consider When Producing Fulldome Content for Wide Distribution Brad Thompson – Lead Animator Spitz, Inc. Creative Media

  2. Producing Fulldome ContentFor Wide Distribution • Nominal Camera Tilt • Action and Text Safe Areas • Gamma • Star Decimation

  3. Test Theaters • Franklin Institute Fels Planetarium 4 Channels 1280x1024 Wavelet Compressed Video, Partial Dome, CRT Projectors, 0 degree tilt • Denver Museum of Nature & Science 11 Channels 1280x1024 Wavelet Compressed Video, DLP Projectors, 25 degree tilt • ElectricSkyII at Spitz, Inc. Single Lens Fisheye, 1536x1536 Uncompressed Video, 12 degree tilt • SciDome at Spitz, Inc. Single Lens Fisheye, 1024x1024 compressed Video, 10 degree tilt

  4. Nominal Camera Tilt • Visible Horizon • Non-Visible Horizon • Implied Horizon • Rolling Text Plane

  5. Nominal Camera Tilt • 00 Degree Tilt • 10 Degree Tilt • 20 Degree Tilt • 30 Degree Tilt

  6. Action & Text Safe Area

  7. Action & Text Safe Area

  8. Action & Text Safe Area Out of View Periphery

  9. Gamma/Color Consistency

  10. Gamma/Color Consistency • 2.2-2.5 Gamma • White Point - 6500 Kelvin

  11. Gamma/Color Consistency • Lack of understanding • Too many projectors to calibrate • Cost of calibration hardware • Adjustability of projectors • Image is percieved as less bright

  12. Star Decimation

  13. 3600x3600

  14. 2200x2200

  15. 1536x1536

  16. 1024x1024

  17. Bell

  18. Hermite

  19. Lanczos

  20. Mitchell

  21. Triangle

  22. Star Decimation • 4 pixel stars hold up well • Filtering methods yield comparable results on non-moving images. • Higher Magnitude (dimmer) stars vanish • If the starfield is the main subject of the show, more care should be taken.

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