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Hour 17. Using the Improvement Filters > Using the Render Filters

Using the Render Filters

The Render filters can create some awesome special effects. You can add lens flare, lighting effects, clouds, and textures, and even map your art onto three-dimensional objects. You’ll find these amazing filters on the Filters, Render menu.

Clouds

The Clouds filter is one of the most useful of the Render filters. Quite often, you’ll be shooting pictures outdoors and not even notice that the sky is overcast or a very pale blue and essentially featureless. That’s when you apply the cloud filter to the selected area of the sky. First, set the foreground and background colors to something appropriate. Use blue and white for a traditional sky, two shades of purple for a storm about to break out, even yellow and green if you’re on a different planet. You can pick up some of your existing sky color using the Eyedropper tool if you like. It doesn’t seem to make any difference which is the background and which is the foreground color, because the filter uses a random selection of colors between those two to render the clouds. Just choose the colors you want to use, then select Clouds from the Render submenu. If you press Option/Alt while selecting the Clouds command, you’ll get a starker, less serene look. There are no options; the filter is applied right away. Figure 17.21 shows some typical clouds acting as a background for the globe. Note that if you choose two colors that are similar in tone (brightness), the cloud effect may be too subtle to see.


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