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Steven22363179cipe
Participant
February 28, 2022
Answered

layer affects changing when merging layers

  • February 28, 2022
  • 2 replies
  • 1231 views

Have a project working on - 7 layers, some of them have affects of various styles (some with bevel and emboss, some with texture as well) how do I lock in the affects so they do not change when merging the layers? No matter what I do, it changes the affects on some of the layers - I've tried rasterizing the layer, rasterizing the effects, converting to a smart object. Ugh, need help with this one, normally I can figure it out but this time I'm stumped.

    This topic has been closed for replies.
    Correct answer davescm

    Hi 

    The reason is that when zoomed out, pixels are averaged to the new size then blended. With fine noise that can change the blend.

    In addition, at zoom levels less than 66.7% only 8 bits per channel are used when creating the preview, even with 16 bit images. That can affect how gradients blend together. 

    The accurate preview is 100%  zoom.

     

    Dave

    2 replies

    c.pfaffenbichler
    Community Expert
    c.pfaffenbichlerCommunity Expert
    Community Expert
    February 28, 2022

    Could you please post screenshots taken at View > 100% with the pertinent Panels (Toolbar, Layers, Channels, Options Bar, …) visible before and after merging? 

      Stephen Marsh
      Community Expert
      Stephen MarshCommunity Expert
      Community Expert
      February 28, 2022

      Are you evaluating at 100% view?

        S
        Steven22363179cipeAuthor
        Participant
        February 28, 2022

        That remedied the visual change - I was viewing at 50% to be able to see entire image. Thank you, cant believe it was something so simple, but is odd tho that it only does that sometimes, not all the time.

        K
        kwatson08142023
        Participant
        February 28, 2023

        The effect becomes noticable only under certain circumstances, for example when editing particularly noisy images. 

        It is caused by Photoshop’s use of downsampled, cached »Stand-ins« for Layers to speed up the display. 

         

        At current it is unfortunately impossible to avoid it (other than View > 100%) because the Cache Level 1-bug has not been fixed so far. 

        https://community.adobe.com/t5/photoshop-ecosystem-bugs/p-impossible-to-set-cache-levels-to-1/idi-p/12248951


        One somewhat cumbersome way around this: If you've been editing a large image at a zoomed out view and you actually prefer the look of Adobe's stand in downsampled cached version of the effect, save a separate document and change the image size of the document to one that is small enough to be at 100 percent view but still the same size on your screen as the larger image was when zoomed out. Now, in that document, go to the layer with the effect you want to preserve. Drop the "Fill" to 0 percent and convert to a smart object. Now drag and drop that layer back over your original document. It will be much smaller, almost like a thumbnail image, but when you scale it back up to match the original size using free transform, it will match the effect you wanted and no longer change when you rasterize or flatten the image. After you line it up correctly, turn off the effect on the original layer, which will leave just the upscaled downsampled effect you dropped over it.     

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