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Magic wand tolerance not working on simple black line art on of transparent/white background

New Here ,
Mar 16, 2023 Mar 16, 2023

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Hi, I'm trying to select a line art character with the magic wand tool.

 

The image is just a black line drawing on a transparent background.

You can view it in proper transparant PNG form here: image 

 

It was drawn with a sketch pen in an art program, so it isn't just simple block lines, but has faded edges and antialiasing:

 

roberts55964277_0-1679005879588.png

 

Here the general area (in blue) I want to select (contiguously). This is achieved by making a magic wand selection in the transparant area, then inversting the selection:

 

paintdotnet_Base.png_-_paint.net_4.3.12_2023-03-16_22-25-40.png

 

I want the initial magic wand selection to go on the INSIDE of the faded edges and aliasing.

 

This is so that when I invert the magic wand selection in order to achieve my desired general area (as described above), it will prevent the future colouring in of this character from spilling over the lines.

 

Here you can see this working perfectly with 78% tolerance in Paint.NET:

 

roberts55964277_1-1679006125436.png

 

Here you can see that the tolerance is necessary - on a lower setting it won't select as desired:

 

roberts55964277_2-1679006266302.png

 

My problem is - I cannot get the same result in Photoshop!

 

When using the magic wand, the selection is ALWAYS as follows - the exact same - on all tolerance levels from 1 (minmum) to 255 (inclusive)!

 

roberts55964277_3-1679006441865.png

 

What I want is - to make the perfect selection as shown in the 78% tolerance pic above in Paint.NET!


What I tried so far:

 

  • Adjusting the Sample Size and using it with every combination of tolerance level. This had no effect, except for higher levels making the wand act as if I had "Contiguous" unchecked.
  • Making a white colour background as a base layer and ticking "Sample all layers". No effect.
  • Adjusting eye dropper tool settings then re-trying the Wand. No effect.
  • Using the Quick Selection tool brush type thing - every selection I made disappeared and was really messy.
  • Ticking/unticking anti-alias: this only made some areas closer, but others were the same. Besides thats just a side effect result and not exactly what I want.
  • Unticking Contiguous: this just made it select inside the character too instead of wrapping the lines from the outside.
  • "Select subject" button - just selected nothing.
  • I am hitting enter on the Tolerance level text box after changing the value so it confirms it, and re-selecting. The new tolerance level appears to be set, but it doesn't change anything.

 

How can I achieve what I want (described above) in Photoshop? Surely I must be doing something gravely wrong that I can't reproduce the results of a free program in an expensive industry standard one. Please enlighten me.

 

Thanks in advance!

 

 

 

 

 

How I want it selected:

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New Here ,
Mar 16, 2023 Mar 16, 2023

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To clarify, the initial magic wand selection is like this 

roberts55964277_0-1679008283301.png

 

and images 3,4 and 5 in the original post (the annotated ones) are zoomed into this area:

 

roberts55964277_1-1679008355259.png

 

 

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Community Expert ,
Mar 16, 2023 Mar 16, 2023

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First of all, I am not sure I understand your request. If I can understand what you want then us Select and Mask workspace > Shift Edge in plus as shown on screenshot below. Enter Select and Mask after creating initial selection.

shift edges using select and mask.jpg

 

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Community Expert ,
Mar 17, 2023 Mar 17, 2023

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I would recommend simply using »Expand Selection« at 1px before inverting the Selection. 

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Community Expert ,
Mar 17, 2023 Mar 17, 2023

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You say you tried anti-alias, but your screenshot is very obviously anti-alias off. You need to enable it before clicking:

wand.png

 

Don't worry about the "marching ants" line. In Photoshop that's just a 50% selected marker, what you need to look at is the actual fill based on the selection.

 

And then, as the others say, there's Expand Selection or Select and Mask.

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