Teach Yourself Adobe Photoshop CS2.pdf - Online Public Access ...

This document was created by an unregistered ChmMagic, please go to http://www.bisenter.com to register it. ThanksGood, or Best). Amount refers to the distance that the pixels are moved to create the blur. You can see the difference in the Blur centerarea as you set the blur amount. You can click and drag in the same area to determine a center point for the blur effect.Figure 14.12. The same dialog box applies both the Zoom and Spin methods.The Quality settings determine the manner in which the blur effect is calculated; you can choose Draft, Good, or Best. There's very littledifference between Good and Best in the resulting images. The biggest difference, in fact, is not in the image quality, but in how long ittakes Photoshop to compute and apply the blur in each mode. Best can take quite a long time if the image is complex and your computeris an older model.In Figure 14.13, I've applied Spin (left) and Zoom (right) blurring to a picture of a yellow lily. After experimenting with the settings, I used 20as the amount for Spin and 50 as the Zoom setting. You can also see these pictures in the color plate section.Figure 14.13. Spin and Zoom obviously aren't for everyday use, but, as a special effect, they'recertainly interesting.