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 Post subject: 2018_VG18
PostPosted: Tue, 25-12-18, 23:23 GMT 
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Joined: Tue, 04-09-07, 21:55 GMT
Posts: 859
Location: N 42.38846 W 83.45456
this is a drop in spice addon for 2018VG18
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this fixes the normal map in the other thread and fixes the pink color
( i still like the redder color like the pole of Charon )

-- my Google-Drive --
-- a 19.8 Meg zip ( 4k textures )
https://drive.google.com/file/d/1GDR2k2 ... sp=sharing

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 Post subject: Re: 2018_VG18
PostPosted: Wed, 26-12-18, 20:35 GMT 
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Joined: Fri, 31-08-07, 7:01 GMT
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Location: Hamburg, Germany
John,

I think now this is a great texture for 2018VG18! Many thanks. As to the best shade of pink, I also agree with you: a little more pinkish would look even better.

Presumably an intrinsic difficulty is the large brightness difference between the bright crater-like spots and the much darker extended rock areas. This mismatch turns even bigger at low planetary illumination. I will experiment a bit using GIMP's 'Curves' and perhaps 'Sample Colorize' that can make such brightness islands more "coherent".

Cheers,
Fridger

PS: I did not notice a significant drop in illumination by going from SpecularPower >1 to ~0.3 (at least in celestia.Sci). Got to look at the code...

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