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Creating the transparency blend space

From: InDesign CS4 Beyond the Basics

Video: Creating the transparency blend space

Whenever you put any kind of transparency effect on a page, a Drop Shadow or a Photoshop image with a transparent background or whatever, InDesign has to do a bunch of extra calculations in order to ensure that what you are seeing on screen is as accurate as possible. However, the transparency effects all work slightly differently depending on whether you are working in a CMYK or an RGB space. So in order to get an accurate display, you need to tell InDesign whether your document is destined for the screen or for a printing press and the way you do that is to go the Edit menu, scroll down to Transparency Blend Space and choose either Document RGB or a Document CMYK. This document is set to CMYK, which means that I expect it to go to a printing press. I expect it to actually separate out to CMYK plates. But if I were making an interactive document like a PDF or a SWF file then I would definitely want to change this to RGB. Another good reason to use RGB would be if the final document was going to be printed on an inkjet printer or even a color laser printer. Those kind of printers do use CMYK inks or toners or crayons or spray or whatever but they tend to work best when you treat them like RGB devices. You may have run into that before if you were printing on an inkjet printer or a color laser printer and all of a sudden the colors on your screen look really dull and kind of muted in the output. It's because those kind of printers usually want to be RGB devices. So you should be setting this to Document RGB. Now don't change this just to get like an accurate proof or something, we will talking about proofing later in this chapter, but you only change this to RGB if the final output is going to be to an RGB device, inkjet, color laser printer or something like that. If it's going to be printed on the printing press leave it set to Document CMYK. I want to show you one other instance where transparency can have a huge effect on your document. I am going to go the second page of this document with a Shift+Page Down and I can see that I have imported a big grayscale image here. I will zoom into 200% with a Command+2 or Ctrl+2 on Windows and then I will go to the View menu and turn on High Quality Display, so we see this little bit more accurately. Okay so I have got a grayscale image on the page and it's looking pretty good and let me pan down here. Now I am going to grab this object over here and change its Opacity just a little bit.

Creating the transparency blend space

Whenever you put any kind of transparency effect on a page, a Drop Shadow or a Photoshop image with a transparent background or whatever, InDesign has to do a bunch of extra calculations in order to ensure that what you are seeing on screen is as accurate as possible. However, the transparency effects all work slightly differently depending on whether you are working in a CMYK or an RGB space. So in order to get an accurate display, you need to tell InDesign whether your document is destined for the screen or for a printing press and the way you do that is to go the Edit menu, scroll down to Transparency Blend Space and choose either Document RGB or a Document CMYK. This document is set to CMYK, which means that I expect it to go to a printing press. I expect it to actually separate out to CMYK plates. But if I were making an interactive document like a PDF or a SWF file then I would definitely want to change this to RGB. Another good reason to use RGB would be if the final document was going to be printed on an inkjet printer or even a color laser printer. Those kind of printers do use CMYK inks or toners or crayons or spray or whatever but they tend to work best when you treat them like RGB devices. You may have run into that before if you were printing on an inkjet printer or a color laser printer and all of a sudden the colors on your screen look really dull and kind of muted in the output. It's because those kind of printers usually want to be RGB devices. So you should be setting this to Document RGB. Now don't change this just to get like an accurate proof or something, we will talking about proofing later in this chapter, but you only change this to RGB if the final output is going to be to an RGB device, inkjet, color laser printer or something like that. If it's going to be printed on the printing press leave it set to Document CMYK. I want to show you one other instance where transparency can have a huge effect on your document. I am going to go the second page of this document with a Shift+Page Down and I can see that I have imported a big grayscale image here. I will zoom into 200% with a Command+2 or Ctrl+2 on Windows and then I will go to the View menu and turn on High Quality Display, so we see this little bit more accurately. Okay so I have got a grayscale image on the page and it's looking pretty good and let me pan down here. Now I am going to grab this object over here and change its Opacity just a little bit.

But now when I do this I will set it to maybe 90%. Now when I do this watch that grayscale image. I just hit Enter and suddenly the grayscale image totally changed. It got way lighter. What happened? Well watch this, let's put this back to a 100% again. Now it got darker again. What is going on? Well that all has to do with whether this transparency on this page or not. Right now, if I look into the Pages panel I can see there is no Transparency icon here, so there is nothing on this page that has any transparency and as soon as I add a transparency to the page, InDesign had to force the entire page through the Transparency... whatchamacallit, the thing that makes the document look more accurate. Well, when I did that, the grayscale image changed. It actually got more accurate. It actually looked more like what it was going to look like on a printing press because I am in CMYK mode here. So that's a good thing but it's a also kind of a scary thing because you usually don't like your document to change that much. Just if you make a little change like add transparency. Now let me show you a trick. There is another way to kind of fool InDesign into working in the Transparent mode even when you don't have transparency on your page and that is to go into Overprint Preview mode and when you do that everything on your page looks a little bit more accurate. They call it Overprint Preview because it's supposed to preview your overprints, but in reality it should be called 'make it all a little bit more accurate than it normally is.' I guess that wouldn't fit in the menu, so they couldn't put that in there. So turn on Overprint Preview and you can actually work with that on and you won't have those radical changes whenever you add transparency on your page. So that Overprint Preview and the Transparency Blend Space both make a big difference in ensuring color consistency. But even more important are the controls in the Color Settings dialog box. So let's take a look at those next.

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This video is part of

Image for InDesign CS4 Beyond the Basics
InDesign CS4 Beyond the Basics

90 video lessons · 24731 viewers

David Blatner
Author

 
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  1. 2m 11s
    1. Welcome
      1m 3s
    2. Using the exercise files
      1m 8s
  2. 25m 16s
    1. Reviewing Control panel shortcuts
      8m 34s
    2. Managing panels
      6m 14s
    3. Letting InDesign do the math
      2m 52s
    4. Using Selection tool clicks
      1m 39s
    5. Using Quick Apply shortcuts
      3m 2s
    6. Setting up context shortcuts
      2m 55s
  3. 23m 51s
    1. Using column guides
      3m 42s
    2. Formatting and positioning guides
      5m 15s
    3. Setting first baseline options
      5m 30s
    4. Using the Document grid
      3m 13s
    5. Setting bleeds
      3m 3s
    6. Using slugs
      3m 8s
  4. 48m 2s
    1. Shuffling pages (or not)
      2m 47s
    2. Scaling objects to a specific size
      2m 32s
    3. Aligning objects to a page
      4m 41s
    4. Using advanced libraries
      4m 5s
    5. Using advanced anchored objects
      11m 21s
    6. Setting non-printing objects
      3m 10s
    7. Creating notes
      5m 23s
    8. Using Data Merge
      10m 41s
    9. Creating templates
      3m 22s
  5. 39m 32s
    1. Creating polygons and starbursts
      2m 35s
    2. Setting custom stroke styles
      5m 15s
    3. Using advanced effects
      8m 46s
    4. Making masks in InDesign
      4m 10s
    5. Integrating InDesign and Illustrator
      4m 59s
    6. Setting compound paths
      5m 4s
    7. Using advanced clipping paths
      6m 6s
    8. Using advanced image transparency
      2m 37s
  6. 55m 26s
    1. Using advanced text formatting
      5m 37s
    2. Using other languages
      4m 22s
    3. Setting advanced paragraph numbering
      3m 12s
    4. Using GREP to find/change
      6m 54s
    5. Managing glyphs
      5m 6s
    6. Finding and changing glyphs
      2m 39s
    7. Adding footnotes
      7m 57s
    8. Creating outlines
      3m 39s
    9. Setting conditional text
      9m 16s
    10. Creating cross-references
      6m 44s
  7. 33m 3s
    1. Advanced text importing
      7m 49s
    2. Using Apply Next Style
      5m 4s
    3. Advanced text styling
      6m 9s
    4. Setting load styles
      2m 58s
    5. Linking to text files on disk
      4m 1s
    6. Understanding GREP styles
      7m 2s
  8. 1h 4m
    1. Building a multi-document book
      4m 42s
    2. Setting page numbering across books
      7m 53s
    3. Setting chapter numbering
      6m 7s
    4. Using the Section Marker feature
      6m 53s
    5. Creating "Continued On..." numbers
      4m 44s
    6. Synchronizing documents in a book
      5m 41s
    7. Creating a table of contents
      11m 24s
    8. Indexing documents
      7m 24s
    9. Generating an index
      6m 47s
    10. Printing or exporting a book
      3m 10s
  9. 46m 4s
    1. Creating hyperlinks
      12m 53s
    2. Setting bookmarks
      6m 7s
    3. Creating buttons
      11m 16s
    4. Making movies
      8m 24s
    5. Creating sounds
      4m 51s
    6. Setting page transitions
      2m 33s
  10. 25m 59s
    1. Setting up swatch and style defaults
      3m 24s
    2. Using mixed ink colors
      6m 16s
    3. Working with duotones
      4m 23s
    4. Overprinting
      2m 10s
    5. Ink aliasing
      4m 50s
    6. Using the Kuler panel
      4m 56s
  11. 50m 27s
    1. Creating the transparency blend space
      4m 6s
    2. Understanding InDesign color settings
      9m 8s
    3. Assign Profile and Convert to Profile
      3m 26s
    4. Working with RGB images
      7m 54s
    5. Working with CMYK images
      6m 28s
    6. Soft-proofing
      5m 18s
    7. Managing color at print time
      7m 25s
    8. Managing color in a PDF export
      6m 42s
  12. 42m 1s
    1. Embedding preflight profiles
      5m 1s
    2. Using the Transparency Flattener preview
      3m 23s
    3. Reviewing Transparency Flattener settings
      6m 30s
    4. Setting print presets
      3m 35s
    5. Setting PDF presets
      3m 21s
    6. Exporting to XHTML
      7m 42s
    7. Exporting to SWF
      6m 45s
    8. Exporting to XFL
      5m 44s
  13. 25m 58s
    1. Understanding XML and InDesign
      6m 51s
    2. Structuring InDesign content
      4m 17s
    3. Importing XML
      6m 57s
    4. Exporting to XML
      7m 53s
  14. 34s
    1. Goodbye
      34s

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