To more precisely control your gradient, enter a value into the Location text box instead of dragging the stop or midpoint marker. ... You can make a portion of the gradient fully opaque, completely transparent, or somewhere in between the two.
|Title||:||Photoshop 7 For Dummies|
|Author||:||Deke McClelland, Barbara Obermeier|
|Publisher||:||For Dummies - 2002|