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Using Image Trace to reference an alpha channel to make a silhouette

Adobe Community Professional ,
Nov 05, 2021 Nov 05, 2021

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Ihave a PSD file that with transparency. The background has been cleany erased. How do I use Image Trace to reference that alpha channel and give me an outline of the silhouette?

 

I know there is a way to accomplish it in InDesign using Clipping Mask Options, then reference the alpha channel, and then convert the clipping mask to a frame.

 

But how can I accomplish this in Illustrator? I am using the Silhouette preset for Image trace, but where there are white areas in the source image, they get traced. I want to somehow specify all non-transparent areas are referenced as black. This happens even if I change the threshold amount to 100px.

 

Sometimes the whiteareas are inside the black areas (like as with a shiny face), but othertimes, the white area is outside the face (like a baby wearing a white hair bow).

 

Screen Shot 2021-11-04 at 11.44.19 AM.pngScreen Shot 2021-11-05 at 11.43.21 AM.png

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New Here ,
Nov 05, 2021 Nov 05, 2021

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Those white areas you are asking about are sometimes hidden; actually they are not hidden. Those layers are grouped and you have to ungroup from edit navigation, simply. After that, I hope you will be able to see that area. 

If you still think, it will not goin to work. Please do lemme know!
Thanks

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Adobe Community Professional ,
Nov 08, 2021 Nov 08, 2021

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Screen Shot 2021-11-08 at 1.29.37 PM.pngScreen Shot 2021-11-08 at 1.30.00 PM.pngSo I added a blue background so you can see how, even with the Threshold moved almost all the way up, part of the white box is still getting clipped out.

 

So I'm still wondering if it's possible for Illustrator to recognize an alpha channel is a plced PSD. 

 

InDesign has this ability, and I can use it as a clipping mask, then convert the clipping mask to a frame.

 

Does Illustrator have the ability to do recognize the alpha channel when using Image Trace?

 

 

 

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Adobe Community Professional ,
Nov 12, 2021 Nov 12, 2021

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Can anyone tell me if Image Trace is able to reference an Alpha Channel in a Photoshop image?

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Adobe Community Professional ,
Nov 12, 2021 Nov 12, 2021

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If you are referring to tracing just the alpha channel and not the rest of the image: then no.

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Adobe Community Professional ,
Nov 12, 2021 Nov 12, 2021

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No, you cannot use an alpha channel in a .psd in Illustrator

 

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