What is dithering and how is it used?
Dithering is a software imaging process for arranging adjacent pixels of varying shades to achieve a visual effect. The process often enhances a computer’s ability to display an image, and is particularly useful when the color or resolution of the original image must be reproduced on computers with different display capabilities. Netscape’s display of inline GIF and JPEG sometimes needs to translate an image’s colors into similar colors available on your computer. If your computer doesn’t have color capabilities that match the color information in an image, the image might look speckled. On Windows and UNIX, you can set radio buttons in the General | Images panel to Automatic, Dither, or Substitute Colors. JPEG images, however, are always dithered. The default choice, Automatic, lets Netscape choose the image display determined to be most appropriate. When you choose to Dither, Netscape dithers the computer’s available colors to most closely match the image’s colors. When you choose Su
