Thursday, November 8, 2012

Graphic Format

 

PNG: The PNG stands for Portable Network Graphics format. It was created as a free replacement for the GIF. The PNG can handle from 1 to 48 bit images and the format of it is well-compressed like a GIF. To create a PNG file go to your files and save to a PNG file.

GIF: The Graphics Interchange Format also called the GIF is an efficient, and still popular picture format. There are two types of the GIF, they are the older 87 and the new 89a the newer 89a has more features such as transparency and animation. The GIF uses less CPU time. GIF only can have 256 colours or 256 shades of grey. This format is no use for professional imaging because of the limited colours and shades.

JPG/JPEG: The JPEG (Joint Photographic Experts Group) can be the most efficient storage method. 
The objective of the JPEG is to compress all of its data together then throw some of it away, this process is called "lossy compression". If you have a picture then the picture is 100% of what you want, after going through the "lossy compression" the picture gets to a more compressed stage so the picture looks kind of shrunken.

TIFF: The "Tag Image File Format" was a unwieldy, 24 bit format until later when the version 6 came out. TIFF is a very popular professional graphics format. The compression may or may not be compatible with other programs on different computers which can reduce the bonus.





Resourses: http://www.dansdata.com/graphics.htm

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