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How to generate a sinus curve in the Adjustments>Curves menu?

Community Beginner ,
Oct 08, 2019 Oct 08, 2019

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Hi everyone,

 

I'm trying to recreate a tutorial and the guy is showing his RBG Curves like this:

rgb.PNG

I have no idea how I can imitate that and I asked in some Discord Severes, which yieled no results. 

 

If you have any idea how do to this, please let me know! 

 

Thank you so much!

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correct answers 1 Correct answer

Adobe Community Professional , Oct 08, 2019 Oct 08, 2019
For each of the color channels, add a series of control points, with the Input values evenly spaced, and the Output alternating between high and low values. You may want to add some extra points near Inputs of zero and 255. You can see the diference here, where a point has been added near 255, but not zero: For clarity, here's a view without any control points shown:

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Adobe Community Professional ,
Oct 08, 2019 Oct 08, 2019

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For each of the color channels, add a series of control points, with the Input values evenly spaced, and the Output alternating between high and low values. You may want to add some extra points near Inputs of zero and 255. You can see the diference here, where a point has been added near 255, but not zero:

clipboard_image_0.png

 

For clarity, here's a view without any control points shown:

clipboard_image_0.png

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Community Beginner ,
Oct 08, 2019 Oct 08, 2019

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Thanks so much, that did the trick!

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Adobe Community Professional ,
Jul 17, 2021 Jul 17, 2021

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If that's a correct answer you may mark it so 🙂

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Adobe Community Professional ,
Jul 17, 2021 Jul 17, 2021

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I doubt re-opening a two year old thread and asking the poster to mark the answer correct will achieve anything. I've marked Semaphoric's answer correct on the OP's behalf.

Dave

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Adobe Community Professional ,
Jul 17, 2021 Jul 17, 2021

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You're right. But that was unintended, I mean I finished up here browsing the forum to get some answers and by the occasion I found there's a possible unmarked correct answer, so I mentioned about it 😉

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Adobe Community Professional ,
Jul 17, 2021 Jul 17, 2021

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No worries 🙂

Dave

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Adobe Community Professional ,
Jul 17, 2021 Jul 17, 2021

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Share the link to that tutorial to let better understand the problem 😉

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