Channels

[RonM]

Hi, Affinity doesn't have channels to choose from and you also cannot like in Photoshop calculate these channels. The tutorials all are using flat curves to enhance an image while form lays into the RGB channels. Think if you like to be on top like Photoshop is at the moment these choises could be very important.

The embedded RAW converter I've been told is like the one Aperture is using, is this correct?. If so this would be a killer too for other RAW conversion softwares 'cause I think Aperture has the best RAW conversion and natural colour behive of all. This with bringing in channels and calculation and maybe selective colour of RGB and CMYK can be very important.

As an old scan-operator I do think that there's a lack of knowledge is being gone when digital photography took over but I can see the potential of Affinity.

Thanks,

 

Ron Maarschalkerweerd

[anon1]

Affinity actually does have channels

If they´re not in the bottom left where I think they´re by default, go to View > Studio > Channels

You can turn them on and off and create greyscale layers from them which you can then use with "Layer > rasterize to mask" to use them as a mask (obviously). Or you can make selections from them and save selections to spare channels or to external files (Select > Save Selection > ....). And you can also load spare channels back into the selection, add, subtract, intersect them.

 

And you can also use curves to target specific R/G/B Alpha channels and thus also make suddle adjustments (even non destructively on masks).

And you can even use a curve adjustment in CMYK mode although your document is in RGB mode. So you don´t have to convert it into CMYK, make an adjustment, reconvert it, you can just do it all in your main format whereas Affinity of course also supports CMYK next to RGB and LAB as document color modes.

 

In the develop assistant you can choose to use the Serif RAW engine or the Apple (Core Image RAW) RAW engine.

 

Someone also used AP for developing old film negatives and was pleased with the results so I don´t think Affinity only suits digital photographers.

 

Hope this helps a bit, if you already bought AP or if you´re using the trial you can also look at the extensive build in help to get further information on channels and adjustments and and and....

[anon1]

Multiple Colour Formats

https://vimeo.com/149265352

 

 

Global Cloning (and subtle adjustments)

https://vimeo.com/149628411

[Asha]

I was exploring the channels a bit today. One thing I would have liked is the ability to directly copy the contents of a channel and paste them into a layer or a new blank channel. In other words, it would be more intuitive if the channels had behavior a bit more like layers. I was able to work around, but it was a bit tedious.

[rui_mac]

I have been asking for this type of behavior for a long time.
Professional compositors, color calibrators, photo retouchers, use channels A LOT !
So, we need ways to deal with channels in a more flexible and powerful way.
I was told that it will come to it. Can't wait :D