Animation is all the rage on the web and is becoming more popular every day. But before you begin to create animations for your site, you need to consider some basic questions, such as: What is the purpose of the animation? What kind of audience do you want to draw? What are you trying to say/promote? Will the animation add interest to your site or detract from it? If you've decided that having an animation will add value and interest to your site, we now move onto other considerations. These include file formats and file size, along with design and execution.
When looking at the available image and animation formats, here are a few things to keep in mind. JPEG, (Joint Photographic Experts Group) is a 24-bit file format and is the best choice for compressing photographs, realistic artwork, gray-scale images, etc. As a JPEG file is compressed, it discarding data and referred to as a "lossy" format. Repeated saving discards more data and can cause "artifacts," where portions of the image begin to clump together.
GIF, (Graphic Interchange Format) is the format of choice to compress lettering, simple cartoons, and line drawings. GIF images are often made up of Vector graphics, such as lines and curves, which are mathematically defined, so they produce a high quality result, regardless of how much they are scaled. GIF files are often composed of few colors and compress well. Other common animation formats are AVI (Audio-Video Interleaved - a desktop video movie format from Microsoft), MPEG (Moving Picture Experts Group) Quicktime and SWF (the Flash Player format).
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Tuesday, January 13, 2009
Animation Tips & Tricks
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