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Known Participant
February 20, 2024
Answered

Levels of brightness undo themselves after merging or rasterizing layers

  • February 20, 2024
  • 3 replies
  • 2227 views

So I basically have a design that I want to put on clothes but the samples came out too dark so I wanna brighten them up. I did my thing and I'm now satisfied with the result, but the problem is that when I wanna merge the levels with the png layer they seem to undo themselves and the picture is dark again. I also have the feeling that when I undo the background layer which is a black background behind the png the levels also don't seem to work... Does anyone know how to fix this? Thanks in advance.

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Correct answer c.pfaffenbichler

I've tried it and now understand what you're saying, it works in some way, but the effect after exporting the file, makes it look weird with spaces of big black pixels. The design is indeed lighter, but the end result is not how it's supposed to be.

 

And about the transparency, it's barely impossible to post a design on a shirt with a black background without seeing the edges of the print. This makes it look squary and not how I want the design on the shirt. That's why I want it as an png cause the black of the shirt itself fills op places where there is no text. 

 

I'll try something else, thanks a lot for your time and effort.


What »big black pixels«? 

Could you please post screenshots with the pertinent Panels (Toolbar, Layers, Options Bar, …) visible? 

Please provide the resulting file you have produced. 

Edited: I had missed your last post. 

3 replies

c.pfaffenbichler
Community Expert
Community Expert
February 21, 2024

The easiest approach might be loading the Selection (ctrl-click the Channel’s icon in the Channels Panel) etc. 

Known Participant
February 21, 2024

I made it smaller cause the file size was first 700mb and now 40 or something so the quality is bad, but that is fine for you to check right? Thanks in advance.

c.pfaffenbichler
Community Expert
Community Expert
February 22, 2024

So the Layer »Layer 1« is purely white and the Adjustment »Levels 1« has no effect on white. 

 

I have presented a work-around by loading a Channel as Selection and using that as a Layer Mask. 

Have you tried that? 

 

As for the Blend If/Color Overlay approach I attach screenshots to clarify the settings and Layer structure (to split Blend If-handles alt-click-drag them); the merged Group maintains the appearance, but I would recommend keeping the fully layered image: 

 

What are the print service provider’s requirements? 

Like I said I am not active in textile printing but from my experience with other print processes it seems dubious that transparency can play any role. 

D Fosse
Community Expert
Community Expert
February 20, 2024

Yes. You need to view at 100% to get a correct preview.

 

Here's the background:

 

Whenever something seems to change when merging layers, it's because you are not viewing at 100%. The merged result is correct. The preview can be misleading and incorrect if you're not viewing at 100%.

100% has nothing to do with size. It means one image pixel is represented by exactly one physical screen pixel.

For performance reasons, all blending and adjustment previews are calculated on the on-screen version of the image. When you are zoomed out, that means a resampled and softened version of the image. Pixel levels are averaged out. You get a lot of intermediate values that aren't there in the full original data.

When you merge, commit an adjustment etc, the numbers are re-calculated on the full original data, pixel for pixel.

Viewing at 100% avoids all this and renders the whole issue moot. You see every pixel before and after, and so nothing changes.

Known Participant
February 20, 2024

Thanks for the fast response. I have the same issue though when clicking on View - 100%

 

 

c.pfaffenbichler
Community Expert
Community Expert
February 20, 2024

You need to flatten the image to maintain the effect. 

 

If you want to edit the transparency of Layer 1 an Adjustment Layer is the incorrect approach. 

c.pfaffenbichler
Community Expert
Community Expert
February 20, 2024

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

Known Participant
February 20, 2024

I just did. I also seem to have the problem that when I delete or unsee the black background and then unsee or delete the levels layer, it doesn't even have an effect on the design anymore (it stays the same brightness as it was in the picture I showed you). Maybe this is the actual problem instead of the merging thing?