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Photoshop is the world’s most powerful image editor, and it’s arguably the most complex, as well. Fortunately, nobody knows the program like award-winning book and video author Deke McClelland. Join Deke as he explores such indispensable Photoshop features as resolution, cropping, color correction, retouching, and layers. Gain expertise with real-world projects that make sense. Exercise files accompany the course.
Download Deke's free dekeKeys and color settings from the Exercise Files tab.
All right, I am still working away inside The joy of color.psd found inside the 11_printing folder. And what I'd like to do this time is establish a bleed inside of Photoshop. And the idea behind a bleed is that you're printing all the way to the edge of say a large postcard. So let's say, this is an image that I want to give out to people. I am either printing it myself. I am going to print like a hundred copies of this to my inkjet printer, and then actually cut the page manually using an exacto knife or something along those lines.
Or possibly, I am commercially reproducing the image. And I'm going to ask my commercial printer to cut my pages for me. And so, in that case, what you need to do is you need to create an image that's bigger than your final piece of paper, because otherwise, unless the image is exactly registered to the crop marks and you cut that paper exactly right. You are going to have tiny white edges and that's going to be such a giveaway. So we want to establish a bleed. I don't like cut into the image the way that it exists right now, because I've already placed my Chiclets very tight to the top and left edges of the canvas.
So instead, what I am going to do is expand my canvas size. So if you take a look at what's going on inside the layers panel, notice that we have this original image layer right there, and it happens to be a big layer, meaning that it's larger than our canvas size is currently. So I have a little wiggle room. Before I create a bleed, I need to expand my canvas to a larger size. So I'll go up to the Image menu and I'll choose the Canvas Size command. I'll press Ctrl+Alt+C, Command+Option+C on the Mac. And let's say that I want a pica around the entire edge of the image, a pica worth of bleed.
So that means I am going to cut in that pica and the pica by the way is the sixth of an inch. Now, you can work with whatever unit of measure you want. It just happens to be that a pica is a very standard bleed size. So I am going to turn on Relative for starters here. And then I'm going to switch from inches to picas. And then, I am going to change my Width value to 2 and I'll change my height value to 2 as well. Now, that might seem like a strange thing to do, why am I adding two picas if I just need one pica worth of bleed? And the reason is I need a pica on the left and the right, hence two for width and I need a pica at top and bottom, hence two for height.
The other thing you can do if you prefer is you can change your units to points because there are 12 points inside of a pica, and then you would change your Width and Height values each to 24. And the reason I am drawing on this is because these are industry standard bleed sizes. Especially here inside the States. All right, I'll go ahead and click OK in order to expand that canvas. And now notice, we have a lot more wiggle room round the outside. And notice that I've revealed this little tiny sliver of blue on the right side of her hand which is a pretty awful crop.
But bear in mind that I'm going to be cutting in a pica, full pica, which is about this far incidentally. And so that little bit of blue is going to go away. All right. I'll click off. Now let's go up to the File menu and choose the Print command. And now that we have given ourselves some extra room to work, I'm going to switch from Color Management to Output once again Include Vector Data is turned on, because I still have that text layer sitting there. I don't care that's fine. I'll click on Bleed in order bring up my Bleed option. And I am going to change the Width of bleed to 12 points which is equal to one pica by the way, and that bleed is going to continue all the way around, at the top, the bottom, the left side and the right side as well.
So it's an even bleed around the entire image. And notice by the way, among our units of measure that are listed here we have inches, millimeters not centimeters and points not picas. So that's why I changed the value to 12 points instead of one pica. They are identical to each other. All right. So I'll go ahead and click OK in order accept that bleed. Now, you don't see any difference at this point in time. That's because in order to really make the bleed work, we need Corner Crop Marks. So definitely turn on your Corner Crop Marks and see how they appear right there in the corners showing you exactly where you need to cut the physical piece of paper.
So that's the maneuver you do with a knife or a cutting board or what have you once you've output the image. All right now, you know what I am going to do? I am going to turn on all of these check boxes here except for Emulsion Down and Negative. And I am going to click on Done and you can see all of these marks around the image. I am going to click on Done and I want you to see what these marks really look like. Now, at this point, if you've got the file, you can just go ahead and print it, and you'll see what those marks look like in your output. But I want you to see what the marks look like here inside of this very file.
Notice this layer right here called printing marks? This contains a rendering of what the printing marks look like when you output the image. I'll go and turn on the printing marks layer. I am not going to see any changes initially. Now, I'll go up to the Image menu and I'll choose Reveal All so that we can reveal the area beyond the canvas which contains the print marks. And notice there they are. If I zoom into the upper-right corner here those are the registration marks right there notice them. Those are the corner crop marks. Here is the center crop mark just in case you're curious.
This guy right there is also part of the registration marks. Here is the description, down here at the bottom of the image. Notice that it can get cut off, your descenders may end up getting severed like that. That's not really anything to worry about though, because all the stuff is going to get cut away. It's just there so you can keep track of your output. There is the name of the image, which is included along with that labels check box. Now the most important thing though are these corner crop marks right there, and so what you do presumably is you would take a knife and you would cut like right along there and then you would cut down here as well.
And so you would get yourself a straight edge that you would align with these crop marks, cut away and then you would have yourself an absolute full bleed here inside of Photoshop. In the next exercise, we are going to take a look at the color management options.
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