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JRN 440 Adv. Online Journalism Raster file formats for print

JRN 440 Adv. Online Journalism Raster file formats for print. Wednesday, 2/8/12. Class Objectives. Note 1: Virtual lab instructions on home page Note 2: Ex. 1-3 graded Lecture Raster File Formats for Print Introduce Neat Trick Assignment Homework P1 due Wednesday, 2/15, at 2:05 p.m.

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JRN 440 Adv. Online Journalism Raster file formats for print

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  1. JRN 440Adv. Online JournalismRaster file formats for print Wednesday, 2/8/12

  2. Class Objectives • Note 1: Virtual lab instructions on home page • Note 2: Ex. 1-3 graded • Lecture • Raster File Formats for Print • Introduce Neat Trick Assignment • Homework • P1 due Wednesday, 2/15, at 2:05 p.m. • First neat trick is on Monday, 2/13

  3. File types • File names, extensions or suffixes that indicate the format or usage of a file and a brief description of that format. • The file format in which you save your file depends on where it is headed… • For print or a page-layout software, use TIFF, EPS, or PDF

  4. File Types- Photoshop (.PSD) • Native format for Photoshop • Positive: Most flexible • Can save layers, paths, channels, masks • Negative: A lot of other software does not recognizes anything other than the flattened composite • Negative: File size is larger than other formats • Advice.. always keep a version of your work in this format.

  5. Tagged Image File Format-TIFF • First version was published by Aldus Corporation in the fall of 1986, after a series of meetings with various scanner manufacturers and software developers. • Originally created as a scanning format • Now used as an ideal when printing hi-resolution raster images • More technically = describes image data that typically comes from scanners, and paint and photo-retouching programs.

  6. TIFF • Not a printer language or page description language. The purpose of TIFF is to describe and store raster image data. • A primary goal = to provide a rich environment within which applications can exchange image data. (Both Quark XPress and InDesign can minimally change a TIFF file)

  7. Features of TIFF: compression • Saves graphics in lossless compressed (LZW) or uncompressed format. • This gives you the option of using less space for an image, or loading the image faster. • Used to be that LZW was to be avoided b/c it might have corrupted the file... This really no longer is the case. • Can also compress with zip or jpg (don’t do- will explain later)

  8. EPS (Encapsulated PostScript) • In general, encapsulation is the inclusion of one thing within another thing so that the included thing is not apparent • Think of an EPS as a TIFF file that is in a capsule • PostScript = a programming language that describe the appearance of a printed page. • Developed by Adobe in 1985 • Has become another industry standard for printing.

  9. Features of an EPS file • Saving • Were designed to be imported into other programs so that these programs wouldn’t have to worry about what is in them • If you save as an EPS, layers get flattened

  10. PDF (Portable Document Format) • Not a native raster file format • A file format that has captured all the elements of a printed document as an electronic image that you can view, navigate, print, or forward to someone else. • Are natively created using Adobe Acrobat • This currently is Adobe’s #1 selling software • Are created by exporting from other software programs

  11. PDF • Adobe has vowed to support PDF for the next 30 years. • Why is this important? • Because of documentation that may need to last for 30 years or more • Designers can create PDF’s for magazine advertisements, brochures, and flyers and use them on websites • But- this does NOT mean that the brochure is a replacement to a designed web page with web content

  12. PDF Features • More than just images of documents • Multiple pages that can zoom in or out from and can go forward or backward (navigation) • Embedded type fonts so that they're available at any viewing location • Interactive elements • Buttons for forms entry and for triggering sound • Quicktime or AVI movies • PDF files are optimized for the Web by rendering text before graphic images and hypertext links.

  13. Which file format to use for Print? • 1st thing, ask your commercial printer what they prefer! • 2nd thing, whatever Photoshop lets you save to • 3rd thing, it’s up to you • Old school (TIFF) has less things that go wrong… it is what it is… • EPS is TIFF in a capsule… more info./more can go wrong • New school (PDF) is able to “store” the most, but this may make it most problematic

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