27 Messages
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1.1K Points
Fri, May 10, 2013 12:05 AM
27
Photoshop: Gradient editor needs a few improvements
It is almost impossible to use the gradient editor to simulate blending between lights, because it draws a straight line through RGB space. It would be good to be able to select HSL and LAB colour spaces for the gradient editor, and it would be even better if you could make bezier curves through RGB space, like the free tool at http://www.foddy.net/2010/10/gentle-g... is pretty frustrating that there was more flexibility in Deluxe Paint IV's gradient tool 23 years ago than there is in Photoshop's gradient tool now.
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8 months ago
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chris_cox_2148894
15.1K Messages
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195.8K Points
8 years ago
0
0
bennett_foddy
9 Messages
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386 Points
8 years ago
9
bennett_foddy_5538027
27 Messages
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1.1K Points
8 years ago
Here's photoshop's result:
And here's my tool's result (also: the desired result):
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bennett_foddy_5538027
27 Messages
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1.1K Points
8 years ago
0
0
bennett_foddy_5538027
27 Messages
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1.1K Points
8 years ago
8
axiomdesigns
111 Messages
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1.3K Points
8 years ago
Heck, I'd even like to use it.
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chris_cox_2148894
15.1K Messages
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195.8K Points
8 years ago
This is the mathematical result of interpolating those colors.
And for a physical simulation of blending light, you would need to use a gamma 1.0 colorspace, which looks like this:
Or with gray in the middle:
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bennett_foddy_5538027
27 Messages
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1.1K Points
8 years ago
Even if that was an acceptable workflow, the preview you get in the gradient tool window doesn't use the current colour space, which reduces this to a very slow, annoying process of trial-and-error.
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bennett_foddy_5538027
27 Messages
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1.1K Points
8 years ago
My workflow was: I defined the beginning and end colour, and placed a single bezier handle to tell the curve how to trace itself through RGB space. It took about 15 seconds.
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chris_cox_2148894
15.1K Messages
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195.8K Points
8 years ago
12
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chris_cox_2148894
15.1K Messages
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195.8K Points
8 years ago
1
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bennett_foddy_5538027
27 Messages
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1.1K Points
8 years ago
6
robert_danielson
2 Messages
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248 Points
8 years ago
1
troy_gilbert
2 Messages
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64 Points
8 years ago
Chris: you're being a horrible, defensive ass about all this. Please, please take a breather and ask for someone else to review this matter.
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david_jensen_2204855
129 Messages
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3.2K Points
8 years ago
Chris Cox's in white, Bennett Foddy's in Black. The duller shades are 2d projections.
(I realize perceptual color space isn't a cube, and there are probably profile issues, but this at least lets you see the smoothness of the gradients. There is some banding, of course)
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