File Format Guide

Quick Facts about Bitmap Images

Bitmap images are made up of coloured
dots [ pixels ] in a grid

Also Known as raster images

Resolution dependent - Resizing affects
image quality

Scanned images and digital photos are bitmaps

Quick Facts about Vector Images

Vector Images are made up of Individual objects
composed of lines and shapes with different
attributes such as colour

Resolution Independent - Scaling images
does not affect quality

Smaller file sizes

Not suitable for photo-realistic reproduction

Fonts are vector objects
Print - ready files are accepted in the following formats
FILE EXTENSIONS
DESCRIPTION/ PROGRAM USED

.ai

Adobe Illustrator drawing or vector graphics file

.eps


Encapsulated PostScript image file created using,
Adobe Illustrator; standard file format
for importingand exporting PostScript files
.cdr
 CorelDraw Vector drawing file
.tiff


Tag Image File Format;
preferred bitmap graphics format
for high resolution PostScript printing

.jpg
or .jpeg

Standard format for photographic image compression developed by the joint Photographic Experts Group
Bitmap file created using Adobe Photoshop
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