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2024-06-19 Generic Texture Update #198

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merged 29 commits into from
Jul 17, 2024
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@AstroChara AstroChara commented Jun 19, 2024

Added 2 textures:

  • neptunelike.jpg: For giant planets, jovians and neptunians, with surface temperature between 30-100 K (in practice, anything less than 100 K uses this)
  • icy.jpg: For terrestrial planets with surface temperature between 0-150 K, including trans-Neptunian dwarf planets. Color is calibrated to A=0.8.

Updated 6 textures:

  • exo-class1, 2, 3, 4, and 4-night.
  • asteroid.jpg, now calibrated to A=0.4.

Recalibrated Color for objects that use it in 4 files: dwarfplanets, minormoons, outersys, and solarsys.

exo-class1: Class I Extrasolar Giant Planet (EGP), with haze
exo-class2: Class II EGP, with haze
exo-class3: Class III EGP, with haze
exo-class4: Class IV EGP
icy: For terrestrial planets with temperature of 0-150 K (water sublimation temperature), including trans-Neptunian dwarf planets. Needs to be albedo corrected later.
neptunelike: For giant planets (neptunian AND jovian) with temperature of 30-100 K (lower bound from dangerous_safety on Discord)
The color is now calibrated to albedo of 0.4
Rationale comes from https://ui.adsabs.harvard.edu/abs/2019A%26A...626A..87S/abstract which implies upper limit for geometric albedo for asteroids that translates to spherical albedo of 0.4.
Original texture: https://celestiaproject.space/forum/viewtopic.php?f=23&t=24371
This allows it to work for every untextured icy planet except Eris.
asteroid.jpg: A=0.4
icy.jpg: A=0.8
realy cant give a shit anymore
@ajtribick ajtribick requested a review from 375gnu July 16, 2024 19:56
@ajtribick ajtribick merged commit 9f85700 into CelestiaProject:master Jul 17, 2024
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3 participants