With gratitude,
Seve
We have some important news to share: the Pixelmator Team plans to join Apple. If you need product support please contact us here.
Learn moreHow to create and RGB Split Color Channel?
The Pixelmator Community has been archived and cannot accept new posts or comments.
2019-04-07 15:09:09
I am moderately familiar with Pixelmator but for the life of me cannot find a way to do this effect. Suggestion? I thank everyone who replies.
With gratitude,
Seve
With gratitude,
Seve
2019-04-08 12:27:16
Hi Steve.
(Instructions based on Pixelmator 3.8.2)
Pixelmator has a channel mixer. It’s in Effects Browser > Color Adjustments > Channels. It allows you to set the inputs to the RGB channels individually. There are other ways of doing this, but the channel mixer is my go-to.
To split a layer into RGB:
1. Create two additional copies of the layer.
2. Label the layers red, blue and green.
3. On the red layer, in Channels, leave the input to red as (100%, 0%, 0%, 0%) and set green and blue to (0%, 0%, 0%, 0%)
4. On green and blue, set them so that green gets 100% of its input from green and 0% elsewhere. Set blue to 100% blue.
5. In the layers panel, set the blend mode for each layer to Screen.
You will now have three separate layers which, together contain the RGB info of the original. It’s a little more cumbersome than a single command to split to three channnels but has a fair bit of flexibility should you want to do something other than a straight separation.
Hope this helps.
- Stef.
(Instructions based on Pixelmator 3.8.2)
Pixelmator has a channel mixer. It’s in Effects Browser > Color Adjustments > Channels. It allows you to set the inputs to the RGB channels individually. There are other ways of doing this, but the channel mixer is my go-to.
To split a layer into RGB:
1. Create two additional copies of the layer.
2. Label the layers red, blue and green.
3. On the red layer, in Channels, leave the input to red as (100%, 0%, 0%, 0%) and set green and blue to (0%, 0%, 0%, 0%)
4. On green and blue, set them so that green gets 100% of its input from green and 0% elsewhere. Set blue to 100% blue.
5. In the layers panel, set the blend mode for each layer to Screen.
You will now have three separate layers which, together contain the RGB info of the original. It’s a little more cumbersome than a single command to split to three channnels but has a fair bit of flexibility should you want to do something other than a straight separation.
Hope this helps.
- Stef.
2019-04-08 18:04:40
Yep, that's how I'd do it, too...
P.S. Just wanted to say I'm glad we've got you around, Stef! Always so darn helpful...
P.S. Just wanted to say I'm glad we've got you around, Stef! Always so darn helpful...
2019-04-11 16:28:52
Thank you Stef. I really appreciate the help. Andrius is correct, you are darn helpful.
2022-11-22 09:31:46
Hi St3f
I was just wondering if this technique could be used to make a complicated selection of a tree with green leaves and branches against a blue sky. I have a feeling it could be done but I get lost in the process.
Do you have any advice to get me started?
I was just wondering if this technique could be used to make a complicated selection of a tree with green leaves and branches against a blue sky. I have a feeling it could be done but I get lost in the process.
Do you have any advice to get me started?