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Changing the print size

From: Photoshop CS6 One-on-One: Fundamentals

Video: Changing the print size

In this movie, I'm going to show you how to change the size and resolution at which an image prints, and we're going to do so without harming a single pixel inside the image. In other words, the image size will not change. I'm working inside that version of the graphic that I scanned at a high resolution. Now there's two ways to change the size of which an image prints: one is to go to the File menu and choose the Print command, or you can press that standard keyboard shortcut Ctrl+P or Command+P on the Mac. Now we'll be discussing printing in a lot more detail in a future chapter.

Changing the print size

In this movie, I'm going to show you how to change the size and resolution at which an image prints, and we're going to do so without harming a single pixel inside the image. In other words, the image size will not change. I'm working inside that version of the graphic that I scanned at a high resolution. Now there's two ways to change the size of which an image prints: one is to go to the File menu and choose the Print command, or you can press that standard keyboard shortcut Ctrl+P or Command+P on the Mac. Now we'll be discussing printing in a lot more detail in a future chapter.

But, for now, just know that the Print command is designed for printing to a local device, that is, a printer that's attached directly to your machine or on a network in a home or office. It does not define the size at which an image commercially reproduces or places inside of another application like Illustrator or InDesign. Now if you look at the preview, you'll see that we have a horizontal image printing on a vertical page. I don't want that. So I'll go ahead and switch to the second layout icon. Now if I wanted to go ahead and expand this image so it takes advantage of every bit of the printable area of the page, then I'd go ahead and turn on this check box Scale to Fit Media.

But let's say that's not big enough, I wanted to print even wider, so it fills the page vertically as well. I'll turn off Scale to Fit Media, and then I'll change the Width value to say 12 inches, and the Scale value automatically changes to more than 130%. Now bear in mind that the Print command neither adds nor subtracts pixels inside the image. So because we're expanding the image, fewer pixels will print in any given inch, and the Resolution value automatically drops down to 764 PPI. At this point, you can either click the Print button in order to actually print the image, or you can click Done to save this information with the file.

Now I'm going to choose that command again just so that you can see that the changes were made. I'll go up to the File menu, and choose the Print command. And sure enough, our Scale value is still more than 130%, the Width value is 12 inches, and the Print Resolution is 764. So I'll go ahead and cancel out. Now the reason I'm making this point is there's a kind of disconnect between the Print command, and the Image Size command. The Print command pays attention on what you do inside the Image Size dialog box, but the Image Size command does not pay attention to what happens inside the Print dialog box.

Now that may at first seem like a bad thing, it's actually a really great thing, because it means you have independent control over how your image commercially reproduces and how it prints to a local device. So let's say we want to change the size at which the image commercially reproduces. Go up to the Image menu, and choose the Image Size command. And then, notice that we have the same old values here in the Document Size area, so the Width value is 9 inches, not 12, the Resolution value is 1000 pixels per inch, not 764, or whatever it was inside the Print dialog box.

Now notice this image size information up at the top. The Width of the image is 9,180 pixels, and the Height is 6,318 pixels. I make note of that because if I change the Width value to 12 inches, those values pop up. The Width value becomes 12,000 pixels and the Height becomes 8,259. The size of the image in RAM grows from this was value, 166 megabytes approximately, to more than 283 megabytes, which is a whopping difference.

Not only that, if I click OK, it will appear as if Photoshop has panned me to a new location. I'm actually at the same location I was; problem is that the image is being rewritten. So I'll press the H key, and scroll back to the eyes, and you can see that they're actually larger than they were before. Photoshop has added pixels to this image. So if I press Ctrl+Z or Command+Z on the Mac, this is the before version of the image and this is the after version. Now it's a big problem that Photoshop has rewritten these pixels, because if you look closely, we have softer transitions between the details, because Photoshop has gone into this file and averaged the original detail.

This is what's known as a destructive modification, because Photoshop has rewritten every single one of what are now 99 million pixels inside the file. That's not only absolutely absurd, it's a bad thing to do because we're adding file size and it's actually not doing us any good. In fact, it's doing the image harm. So I'm going to press Ctrl+Z or Command+Z on the Mac to get back to my undamaged image, then I'll go up to the Image menu and choose the Image Size command.

This time, I'll turn off Resample Image. Anytime you'd want to change just the Print size and Resolution values without harming the image, this check box goes off. And now, I could either dial in a Width value of 12 inches and I'd see a Resolution value of 765 inside the Image Size dialog box, so a slight disconnect from what we saw in the Print Dialog box, or I could say, you know what? I've got plenty of pixels inside this file. I'm going to take the Width value up to let's say 34 inches.

That drops the Resolution value to 270, that's still more than 267 however. So I have enough pixels to create a whopping big print. Now I'll click OK in order to apply that change, and notice nothing happens to the image; it is not harmed in the least. And that's because all we did was changed three numerical values; Width, Height, and Resolution, and that's all. I should mention by the way that this version of the image contains a total of 58 million pixels which is more than you can capture with any digital camera.

So it's a very large file. All right, now just to see what the Print dialog box did, let's go up to the File menu, and choose the Print command, and sure enough, all that information has been updated. So we're seeing the Scale value of 100%, a Print Resolution of 270, a Width value of 34 inches and so forth. Now I could scale the image to fit the media if I wanted to, or I could decide to just print the detail from the file. If you want to do that, then you turn off the center check box right there and you can drag the image directly inside the Preview window and then either click the Print button to print it, or click Done in order to save that information along with the file.

And that's how you change both the size and resolution at which an image will print here in Photoshop.

Show transcript

This video is part of

Image for Photoshop CS6 One-on-One: Fundamentals
Photoshop CS6 One-on-One: Fundamentals

100 video lessons · 56333 viewers

Deke McClelland
Author

 
Expand all | Collapse all
  1. 19m 15s
    1. Welcome to One-on-One
      2m 27s
    2. Opening from the Windows desktop
      4m 7s
    3. Opening from the Macintosh Finder
      4m 9s
    4. Opening from Photoshop or Bridge
      2m 45s
    5. Opening an image from Mini Bridge
      1m 16s
    6. Opening through Camera Raw
      2m 32s
    7. Closing one image and Closing All
      1m 59s
  2. 38m 14s
    1. Navigating your image
      40s
    2. The dark vs. the light interface
      3m 12s
    3. Navigating tabs and windows
      4m 32s
    4. Panels and workspaces
      4m 27s
    5. Zooming incrementally
      4m 29s
    6. Zooming continuously
      2m 43s
    7. Entering a custom zoom value
      2m 25s
    8. Scrolling and panning images
      2m 31s
    9. Rotating and resetting the view
      2m 11s
    10. Cycling between screen modes
      3m 10s
    11. Using the Navigator panel
      3m 38s
    12. Adjusting a few screen prefs
      4m 16s
  3. 45m 58s
    1. Digital imaging fundamentals
      1m 45s
    2. Image size and resolution
      3m 3s
    3. The Image Size command
      3m 27s
    4. Common resolution standards
      3m 20s
    5. Upsampling vs. real pixels
      4m 36s
    6. Changing the print size
      6m 16s
    7. Downsampling for print
      4m 12s
    8. Downsampling for email
      3m 11s
    9. The interpolation settings
      5m 22s
    10. Downsampling advice
      4m 36s
    11. Upsampling advice
      6m 10s
  4. 53m 17s
    1. The layered composition
      1m 40s
    2. Introducing the Layers panel
      4m 12s
    3. Adding, scaling, and aligning layers
      5m 27s
    4. Dragging and dropping layers
      4m 36s
    5. Stack, reveal, and rename
      2m 58s
    6. Opacity, history, and blend mode
      6m 5s
    7. Duplicating a selected portion of a layer
      5m 32s
    8. Applying a clipping mask
      3m 58s
    9. Blending inside a clipping mask
      4m 10s
    10. Finishing off your artwork
      3m 13s
    11. Creating a new layer and background
      4m 24s
    12. Layering tips and tricks
      7m 2s
  5. 26m 19s
    1. The art of saving
      54s
    2. Four things to know about saving
      6m 0s
    3. Saving layers to PSD
      6m 38s
    4. Saving print images to TIFF
      4m 48s
    5. Saving an interactive image to PNG
      3m 41s
    6. Saving a flat photo to JPEG
      4m 18s
  6. 19m 36s
    1. Honing in on your image
      1m 43s
    2. The new and improved Crop tool
      3m 35s
    3. Editing your last crop
      3m 1s
    4. Straightening a crooked image
      2m 29s
    5. Filling in missing details
      6m 44s
    6. Using the Perspective Crop tool
      2m 4s
  7. 42m 6s
    1. First, there is brightness
      2m 12s
    2. How luminance works
      4m 18s
    3. The three Auto commands
      3m 27s
    4. Automatic brightness and contrast
      3m 19s
    5. The Brightness/Contrast command
      2m 47s
    6. The dynamic adjustment layer
      4m 5s
    7. Editing adjustment layers
      3m 52s
    8. Isolating an adjustment with a layer mask
      3m 31s
    9. Introducing the histogram
      4m 58s
    10. Measuring an adjustment
      3m 34s
    11. Using the Shadows/Highlights command
      6m 3s
  8. 44m 33s
    1. And second, there is color
      1m 31s
    2. Identifying a color cast
      3m 34s
    3. Correcting a color cast automatically
      3m 57s
    4. Changing the color balance
      6m 10s
    5. Compensating with Photo Filter
      3m 11s
    6. Adjusting color intensity with Vibrance
      3m 29s
    7. Correcting color cast in Camera Raw
      5m 46s
    8. The Hue/Saturation command
      5m 26s
    9. Summoning colors where none exist
      4m 8s
    10. Making more color with Vibrance
      4m 27s
    11. Making a quick-and-dirty sepia tone
      2m 54s
  9. 55m 46s
    1. Making selective modifications
      1m 10s
    2. The geometric Marquee tools
      6m 1s
    3. Aligning one image element to another
      4m 59s
    4. The freeform Lasso tools
      3m 59s
    5. Polygonal Lasso tool and Quick Mask
      5m 19s
    6. Cropping one selection inside another
      6m 15s
    7. Creating rays of light
      4m 44s
    8. Quick Selection and Similar
      4m 11s
    9. Making it better with Refine Edge
      4m 56s
    10. Integrating image elements
      2m 39s
    11. Magic Wand and Grow
      5m 17s
    12. Refine, integrate, and complete
      6m 16s
  10. 53m 49s
    1. Your best face forward
      1m 0s
    2. Content-Aware Fill
      6m 11s
    3. Using the Spot Healing Brush
      5m 36s
    4. The more capable "standard" Healing Brush
      5m 55s
    5. Meet the Clone Source panel
      3m 53s
    6. Caps Lock and Fade
      4m 57s
    7. The Dodge and Burn tools
      5m 1s
    8. Adjusting color with the Brush tool
      6m 35s
    9. Smoothing skin textures
      5m 58s
    10. Brightening teeth
      4m 0s
    11. Intensifying eyes
      4m 43s
  11. 51s
    1. Goodbye
      51s

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