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Posted

I have a macro which makes a Lab Light layer. Convert to Lab 16 bit select the Light channel and make a grayscale layer then convert back to RGB 16 bit. Run it a few of times and delete the layers run it a few of times and delete the layers. Memory use goes way up, from 2.78 GB to over a dozen GB and it stays there until I close the file. This makes the program very unresponsive to the point of being unusable.

Mac Pro (Late 2013) Mac OS 12.7.6 
Affinity Designer 2.6.0 | Affinity Photo 2.6.0 | Affinity Publisher 2.6.0 | Beta versions as they appear.

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

Posted

Seems like a bug... but have to note there is simplier way to get Lab-Light layer: just use "Apply Image" filter -> Equations in Lab mode and set "SL" for all channels
You`ll get lightness in white and black much faster

  • 2 months later...
Posted
4 hours ago, MEB said:

Hi Old Bruce,
This is expected/by design as all the steps are being stored/going into the undo history.

Obvious when I think about your explaination. 

Mac Pro (Late 2013) Mac OS 12.7.6 
Affinity Designer 2.6.0 | Affinity Photo 2.6.0 | Affinity Publisher 2.6.0 | Beta versions as they appear.

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

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