Io Blog |
Io Blog |
Feb 26 2008, 08:50 AM
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Senior Member Group: Moderator Posts: 3233 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
Just let you all know about a new blog I've started called The Gish Bar Times located at http://gishbar.blogspot.com/ . I intend to use the blog to cover Io-related news like new papers or abstracts, developments with the flagship mission selection process, newly processed images, volcano news, or pretty photos taken of Io and Jupiter. I hope you all enjoy!
-------------------- &@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io |
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Aug 19 2010, 10:46 PM
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Senior Member Group: Moderator Posts: 3233 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
Well, I'm willing to give any correction factors you recommend based on your calculations.
-------------------- &@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io |
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Aug 19 2010, 11:27 PM
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Senior Member Group: Members Posts: 3648 Joined: 1-October 05 From: Croatia Member No.: 523 |
You prefer the contrast of a non gamma-correct display so I don't know if there's an easy way out. Take for example the color in the palette at right above. You can create that disk-averaged hue out of your composite by mixing R=0.9R+0.1B and B=0.65B+0.35G. It's completely unscientific and this does preserve grey areas as grey, but as you can see the disc as a whole will appear overly green. However, if you were to average the entire visible surface and brighten the resulting color you'd see it matches the above palette color. That's the side effect of greatly stretched contrast and color in that representation - many greatly different colors which when averaged still give a "correct" hue. There likely are other such combinations.
If you want to make it visually appear at least close to that yellow color, I think you'll have to actually change level balance at which point grey terrain will no longer remain grey, but you will retain the high contrast representation of surface features. -------------------- |
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