Creating a dithered transparency

In this section, you'll create a dithered transparency for a graphic that will serve as the entry point from another Web page to the zoo map. By creating a dither from an opaque drop shadow to transparency, you'll make it possible to create a smooth transition from the image to any color backdrop on the page without having to redo any work.

You'll do this in two procedures. First, you'll apply a drop shadow to the image. Then, you'll add dithering to the drop shadow so that it blends into a background color for the Web page.

You can do this procedure in Photoshop or do it in ImageReady using the same controls but in slightly different locations.

Photoshop CS Mastery

Photoshop CS Mastery

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