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AP: Gradient map, color stop transparency


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Click on the colour well (labeled Colore: in your top screenshot) and set it there in that popup dialog.

Mac Pro (Late 2013) Mac OS 12.7.4 
Affinity Designer 2.4.1 | Affinity Photo 2.4.1 | Affinity Publisher 2.4.1 | Beta versions as they appear.

I have never mastered color management, period, so I cannot help with that.

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My mistake, sorry for the wrong advice. I could have sworn that the Noise slider changed to an Opacity slider if clicked. This seems to be an oversight as a regular gradient can be manipulated like you want.

It is very roundabout to do this but you can make a document palette of swatches with the colour and transparency you want and then choose those to be the colours at the 80% etc positions.

 

Mac Pro (Late 2013) Mac OS 12.7.4 
Affinity Designer 2.4.1 | Affinity Photo 2.4.1 | Affinity Publisher 2.4.1 | Beta versions as they appear.

I have never mastered color management, period, so I cannot help with that.

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32 minutes ago, Old Bruce said:

My mistake, sorry for the wrong advice. I could have sworn that the Noise slider changed to an Opacity slider if clicked. This seems to be an oversight as a regular gradient can be manipulated like you want.

It is very roundabout to do this but you can make a document palette of swatches with the colour and transparency you want and then choose those to be the colours at the 80% etc positions.

 

Thanks, I tried to create a custom palette with the desired opacity for each color but the opacity is ignored by gradient tool...

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I could see the transparency (sic) in the edit window but it wasn't applied to the image, just the colour. I made some 0% transparency swatches and the original colour was applied.

Mac Pro (Late 2013) Mac OS 12.7.4 
Affinity Designer 2.4.1 | Affinity Photo 2.4.1 | Affinity Publisher 2.4.1 | Beta versions as they appear.

I have never mastered color management, period, so I cannot help with that.

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15 minutes ago, PixelPest said:

Have you tried this already:

NoiseTransparencyToggle.gif.ba1e0e79f9eeb9de60de0f1836704ebf.gif

Hi PixelPest, this works in the normal gradient editor. Ivanozzo is using the Gradient Map...the noise slider is fixed as noise, it does not change to opacity. Try using the gradient Map and you will see the problem.

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1 minute ago, PixelPest said:

You´re looking in the wrong place I guess:

TransparencyStops.gif.5b5325bb8f14a431fbe72c1f09ba9266.gif

Cheers

No we are looking in the correct place, the Gradient Map.

Try adding a Gradient Map adjustment layer. Then try editing the gradient. You do not get the normal gradient editor, a Gradient Map works by mapping the gradient colours to the tones of the image. It is completely different from a linear gradient

Screen Shot 2019-06-27 at 11.08.50.png

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6 minutes ago, PixelPest said:

You´re looking in the wrong place I guess:

TransparencyStops.gif.5b5325bb8f14a431fbe72c1f09ba9266.gif

Cheers

That is not the Gradient Map, which is an adjustment layer.

Affinity Photo 2.4..; Affinity Designer 2.4..; Affinity Publisher 2.4..; Affinity2 Beta versions. Affinity Photo,Designer 1.10.6.1605 Win10 Home Version:21H2, Build: 19044.1766: Intel(R) Core(TM) i7-5820K CPU @ 3.30GHz, 3301 Mhz, 6 Core(s), 12 Logical Processor(s);32GB Ram, Nvidia GTX 3070, 3-Internal HDD (1 Crucial MX5000 1TB, 1-Crucial MX5000 500GB, 1-WD 1 TB), 4 External HDD

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16 minutes ago, PixelPest said:

My bad - the image from Posted Sunday at 06:40 PM was cropped so I was on the wrong track.

Easily done :) Gradient Maps are very powerful tools for colour grading, I use an 8 stage heat map gradient to check the tonal ranges in some images, particularly useful with B&W images, when the tones are harder to identify, the bright colours of the gradient map make it much easier to see the balance between shadows, mids and highlights, when I have finished I just delete the gradient map layer or deselect it.

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10 minutes ago, ivanozzo said:

Thanks to all for the replies! :) But currently in the gradient tool (adjustment) the opacity option for color stops is missing. I will wait for the next updates! :)

Hi ivanozzo, I have added an improvement request for this to be added, I don’t remember it ever working. I have also requested that application palletes are also added, for some reason you can only use document or system ones:)

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5 hours ago, PixelPest said:

Nothing wrong with the feature request - just curious on how the transparent pixel should look up the values in the base image for manipulation?

 

Cheers

The left side of the gradient map works on the darkest tones, the right on the lightest. For an easy example, if the transparent stop is at 50% the tones in that range will be unaffected if the transparency is at 100%, they will start to be affected as the gradient moves towards a solid colour.

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