FILE FORMAT DEFINITIONS - WHAT TO USE WHEN
FOR WEBSITES
Choose jpg or gif.
Both offer small file sizes for quick loading whether on dial-up
or high-speed internet. GIF files also offer transparency, so
the logo can be placed on a colored background without "the
white box" around it. (RGB color)
FOR EMAIL
Choose jpg or gif.
Both offer small file sizes for quick loading whether on dial-up
or high-speed internet. (RGB color)
FOR IN-HOUSE PRINTING OR COPYING
Choose jpg, gif or png.
These are generally easy to manipulate in standard word processing
and page layout software and offer good enough resolution for
printing to a desktop, laser or color printer or copier. Remember
to always use the logos in their original proportions - to
resize, hold down the "shift" key while clicking and
dragging a corner of the image. (RGB, Grayscale or Black)
FOR POWERPOINT®
Choose jpg, gif or png.
The small file size of these formats makes loading and transferring
PowerPoint® files easier and quicker. Png
files are probably the best of the three, because
they support transparency and resize well without much distortion.
Remember to use the approved CCU PowerPoint® backgrounds
for all public CCU presentations. (RGB color)
FOR PROFESSIONAL PRINTING - including
paper, plastic/merchandise, fabric, etc . . .
Choose eps, Illustrator, PDF
These files are the most commonly accurate,
but ask your professional printer (including screenprinters,
embroiderers, merchandisers, etc . . . ) which format
they would prefer! This is very important, since printing
processes can be very different depending on the medium (paper,
plastic, cloth, etc . . .) If they ask for a file format that
is not available on this website, call the Marketing Department
so they can create the specific file format you need. (CMYK, PMS
or grayscale color).
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BMP - bitmap
Describe images as rows and columns of
dots. The value of each dot (whether it is filled in or not) is
stored in one or more bits of data. The more bits used to represent
a dot, the more colors and shades of gray that can be represented.
The density of the dots, known as resolution, determines
how sharply the image is represented. This is often expressed
in dots per inch (dpi).
Bitmap graphics have limited flexibility because
they are resolution and device dependent. This is why bit-mapped
graphics become ragged when you shrink or enlarge them.
Bitmap file sizes tend to be very large as
each dot must be specifically defined. Programs that enable you
to create and manipulate bit-mapped images are generally called
paint programs.
CMYK - Cyan (C) Magenta (M)
Yellow (Y) Black (K)
Most standard printing presses use four colors of ink - cyan,
magenta, yellow and black - layered on the paper to produce a
"full-color" or "four-color" job. Software
programs and image files specify a percentage of each color to
be used to produce the desired effect when combined in print.
CCU's official purple is C - 78%, M - 100%, Y - 0%, K - 33%.
EPS - Encapsulated Postscript
Is the vector graphics file format used by the PostScript language.
The term EPS usually implies that the file contains a bit-mapped
representation of the graphics (normally in TIFF format) for on-screen
display purposes as well as the vector image information for printing.
EPS is best used for print, since it is device independent and
delivers the best output at any size/resolution. It is also designed
with the print color space in mind--spot (PMS) or CMYK colors.
GIF - Graphics Interchange
Format
A bitmapped graphics file format developed
by CompuServe. Can support transparency and animation. Pronounced
"giff" or "jiff", GIF supports 8-bit color
(256 colors) and compresses well to small file sizes.
Grayscale
A color format that includes a variety
of shades of black. Grayscale images can be printed in 1-color
with black ink or by specifying which PMS color to use. (The shades,
or gray areas, are printed as a "screen" or a percentage
of the 1 color ink).
JPG or JPEG - Joint
Pictures Expert Group
A bitmapped graphics file format. The
committee which set standards for a file format for graphics.
The JPEG file format is a compressed format, with some loss of
quality during compression. A popular web format do to the generally
small size of pictures. File extensions of .jpg or .jpeg.
Illustrator®
An Adobe® software for creating vector
based graphics. Illustrator files are regularly used for logos
and "drawing" type images. Vector files allow for clean
resizing of graphics (not fuzzy or pixelated) and easy color changes
among other benefits.
PDF - Portable Document
Format
A universal file format that preserves
the fonts, formatting, colors, and graphics of any source document,
regardless of the application and platform used to create it.
PDF is the open de facto standard for distributing formatted documents
over the Internet. PDF files are compact and can be shared, viewed,
navigated, and printed using free Adobe Acrobat® Reader®
software, downloadable from http://www.adobe.com.
Documents can be converted into PDF files by using Adobe Acrobat
software.
PMS - Pantone Matching
System
A popular color system used in the design
and printing industries. The system gives a "formula"
that can be used to produce a specific color, often referred to
in printing as a "spot" color. CCU's official PMS colors
are PMS 269 and PMS 872. Printing the CCU logo would be a "two-color"
print job.
PNG - Portable Network
Graphic
A bitmapped graphics file format. Can
support transparency. PNG provides advanced graphics features
such as 48-bit color, including an alpha channel, built-in gamma
and color correction, tight compression and the ability to display
at one resolution and print at another.
RGB - Red Green Blue
RGB is the color space for television
screens and computer monitors. Thousands of red, green and blue
phosphor dots emit light when activated electronically, and the
combination of different intensities of red, green and blue phosphor
dots produce all the colors on screen. Colors often vary from
one monitor to another. All image capture devices such as digital
cameras and scanners use RGB color. Professional printers
cannot print images in the RGB mode - the images must be
converted to CMYK or grayscale before printing. CCU's official
purple is R - 51, G - 0, B - 102.
TIF or TIFF - tag
image file format
TIFF is the leading commercial and professional
image standard. TIFF is the most universal and most widely supported
format across all platforms—Mac, Windows, Unix. Tif files
are generally used for photographs for commercial printing or
storage.
Vector
Describe images as mathematical formulas that define all the shapes
in the image. Vector graphics are more flexible than bit-mapped
graphics because they are not resolution or device dependent and
can be resized and stretched, potentially being output on any
device, with any resolution, and at any size.
Vector file sizes tend to be relatively small
since all graphic objects are defined by mathematical formula.
Programs that enable you to create and manipulate vector graphics
are generally called draw programs (such as Adobe® Illustrator®
and Corel® Draw®)
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