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Hey gang! This is Deke McClelland.

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Welcome to Deke's Techniques!

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This week we are going to take this portrait photograph and we are going to

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convert it into a high-contrast line drawing.

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Now, in part, it's a function of this filter called Photocopy, but you can see

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that's a far cry from what we ultimately end up with.

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It's largely a matter of helping the image draw itself. Here,

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let me show you exactly how it works. All right!

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Starting with your portrait shot--and mine comes to us from Joseph JR Dube--

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I want you to press Ctrl+Alt+J or Command+Option+J on the Mac, call the new

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layer photocopy and click OK.

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Now, the Photocopy filter that we are about to apply replaces all the colors in

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the image with the foreground and background colors.

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We want our colors to be black and white, so go ahead and press the D key in

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order to reset the foreground and background colors to their defaults.

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Then go up to the Filter menu, choose Sketch, and choose the Photocopy command.

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Now, depending on the resolution of your image, you probably want to zoom out a

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little bit here, inside the big Filter Gallery dialog box.

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By default, your Detail value is going to be 5 and your Darkness will be 50.

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A Darkness of 50 is exactly what we want. But we want thicker lines,

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so I suggest you take that Detail value up to 9 or 10, something in that range--

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I am going to stick with 9--and then click OK.

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Now, this ends up delivering a pretty gritty result, but it's not necessarily

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very flattering, which is fairly remarkable, because if I turn this photocopy

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layer off, you can see this is a young woman with very smooth skin, and yet her

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skin turns into this after the Photocopy command.

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So we are going to clean up these facial details in a couple of different ways.

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One way is automatic.

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It uses a combination of Gaussian blur and Levels working together, and the

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other method that we also need to employ is manual cleanup.

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So let's start things off with the automated technique by going up to the Filter

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menu, choosing Blur, and then choosing Gaussian Blur.

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I want you to set the Radius value to about 2 pixels.

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Again, this is going to depend on the resolution of your image.

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This image measures, I believe, 1800 pixels wide, 1200 pixels tall, so it's

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not super high res.

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But in any case, what we are trying to do is to create soft transitions along

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these outlines here, and we want to make some of the grit and grime turn gray

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so that we can get rid of it using the Levels command. All right!

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Go ahead and click OK.

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I want you to go up to the Blend mode pop-up menu and change the mode to

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Multiply, and that goes ahead and drops out the whites, even though eventually

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we want them back--we need to drop them out for now--and reveals the

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photographic image in the background. All right!

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Now, press and hold the Alt key or the Option key on the Mac, click the

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Black/White icon at the bottom of the panel, and choose the Levels command. And I

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am going to call this layer contrast.

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And very importantly, you need to turn on Use Previous Layer to Create Clipping

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Mask and then click OK, because that way we are limiting our levels

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modifications to the photocopy layer. All right!

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If you are working along with me, I want you to increase the Black Point value

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to 115 and take the White Point value down to 140, and you can see that that

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dropped out a ton of the grit and grime in her face.

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Not all of it, by any stretch of the imagination, but much of it is gone now.

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The next step, and this is the painful step because it's absolutely manual--

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you can either, by the way, grab the Eraser tool, click on the photocopy layer to make it active.

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And I suggest you work with this Block setting right here, because that way

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you are not going to introduce any softness, and you can just paint the bad stuff away.

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Or another way to work--I will go ahead and press Ctrl+Z or Command+Z on the Mac

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to undo that change.

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Another way to work is to grab the Lasso tool, and then you can Alt+Click

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around inside of the image in order to take advantage of the Polygonal Lasso

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feature, and once you have selected a region, just go ahead and drop down to the

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Add Layer Mask icon and Alt+Click on it or Option+Click on the Mac in order to

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mask that area away.

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And then you would Alt+Click around some more to select more of the image, like

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so. And taking care to make sure that the layer mask thumbnail is selected, you

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would fill that region with black, and in my case, I do that by pressing

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Alt+Backspace or Option+Delete on a Mac.

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Well, just to speed things up, I have done this in advance, and so I am going to

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right-click on that layer mask thumbnail and choose Delete Layer Mask.

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Then I will switch over to the Channels panel.

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There is my cleanup mask right there.

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So everything that's showing up as black is going to disappear.

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I will go ahead and load it up by pressing the Ctrl key or the Command key on

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the Mac and clicking on that channel, and then I will switch back to the RGB

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image, switch back to the Layers panel, and drop down to the Add Layer Mask icon

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at the bottom of the panel and click on it, and that goes ahead and masks all

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that bad stuff away. All right!

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Now, let's turn this into real, actual line art.

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I am going to click on the Background layer to make it active,

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press Ctrl+Shift+N or Command+Shift+N on the Mac to make a new layer, call this

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layer white, click OK,

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and then assuming your background color is white, as it is my case, press

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Ctrl+Backspace or Command+Delete on the Mac to fill the entire layer with white

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and then press the 5 key to reduce the Opacity to 50%.

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Now, the reason I am continually revealing portions of the background image here

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is they will help me rebuild some details.

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For example, in my case, I want to take everything that's dark, like the dark

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area inside of her hair, and some of the background, and some shadows inside the

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lips, and underneath her eyes, and so forth.

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I want to turn those areas jet black, so that we have a real high-

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contrast graphic effect.

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We are going to do that by pressing Ctrl+Shift+N or Command+Shift+N on the Mac

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in order to create a new layer, and I will call this layer shadows, and then I

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will click OK, and we'll fill this entire layer with black by pressing

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Alt+Backspace or Option+Delete.

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Go ahead and double-click on an empty portion of the layer over here in the

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right-hand side in order to bring up the Layer Style dialog box. And I want you,

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if you are working along with this image, I want you to take that white

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underlying Layers slider and drag the triangle all the way over to 160.

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Now, if you are working on a different image all your own, you can take it

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down to whatever level you think works, but basically what we are saying here

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is anything with a Luminance Level of 160 or brighter on the composite version

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of the underlying layers, that's going to force its way through and make the

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black disappear; anything 160 or darker will be covered by black. And as a

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result, we are doing a great job of filling in these shadows, including the

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shadows inside the hair.

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Go ahead and click OK in order to accept that modification.

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Now presumably you don't want this effect;

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you don't want the photographic image showing through, however washed out it

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might be there in the background.

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So we want to make the entire image black and white, and to do that, you click on this top layer.

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You will notice that I have got this group right here called type & graphics

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that has some type and graphics inside it.

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And now I am going to press the Alt key or the Option key on the Mac, click on

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the Black/White icon at the bottom of the panel, and choose Threshold. And we

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will go ahead and call this layer B&W, because we are converting the image to

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black and white, click OK,

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and I am going to take my Threshold level value down to 120, and that is the effect.

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All right! So I will go ahead and collapse the Adjustments panel.

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This is the original photographic image.

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This is the highly graphic, high-contrast line-drawing version of the image,

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created using the Photocopy filter, a couple of adjustment layers, a layer of

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solid white, and a layer of solid black, here inside Photoshop.

