Lightnings taking a ride

by ceinmart

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-6.173 is definitely not within the range 0 to 1. Am I doing something wrong? If not, what should I do with such a value? The values that are outside of the 0..1 range are values that are out of gamut of the target sRGB color space - i.e sRGB can't describe them. So even though -6.173 seems like a huge value to ditch, it needs to be clipped to zero. If ...


2

You are not clipping the intermediate RGB values. From the sRGB Wikipedia article you linked to, The intermediate parameters R, G and B for in-gamut colors are defined to be in the range [0,1], ... The linear RGB values are usually clipped to that range, with display white represented as (1,1,1) From the W3C sRGB spec you linked to, ... XYZ are ...


0

After some searching around I found the following information that a user posted after being frustrated that Capture One only supports ICC profiles but X-Rite creates DNG profiles: From robertharringtonstudios.wordpress.com: I discovered that if you are using Capture One, all you need to do is photograph the Munsell Color Target and use the Auto Color ...


-1

There is one piece of software that I know of that can handle it: BetterJPEG. I have downloaded the latest trial, and, as it says on its web page can do lossless full-image color and brightness correction. The tools are crude compared to what is available in Photoshop, just a couple color sliders (red/cyan and blue/yellow) and a brightness slider. And ...


1

You can pretty much ignore the baffles. Just duct tape a CTO gel sheet/s to the inside of the softbox between the two diffusers. Been meaning to play with this for a while and it works nicely. I used a white lit background, set a custom white balance to cancel out the CTO and the background turned a lovely, evenly lit blue. Also used a grid to keep the ...



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