User's Manual

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ADOBE PHOTOSHOP CS2
User Guide
To crop an image using the Trim command
1 Choose Image > Trim.
2 In the Trim dialog box, select an option:
• Transparent Pixels to trim away transparency at the edges of the image, leaving the smallest image containing
nontransparent pixels.
• Top Left Pixel Color to remove an area the color of the upper left pixel from the image.
• Bottom Right Pixel Color to remove an area the color of the lower right pixel from the image.
3 Select one or more areas of the image to trim away: Top, Bottom, Left, or Right.
Transforming perspective while cropping
TheCroptoolinPhotoshop hasanadditionaloptionthatallowsyou to transformthe perspectiveinanimage.This
is very useful when working with images that contain keystone distortion.Keystonedistortionoccurswhenanobject
is photographed from an angle rather than from a straight-on view. For example, if you take a picture of a tall building
from ground level, the edges of the building appear closer to each other at the top than they do at the bottom.
A B
C D
Steps to transform perspective
A. Draw initial cropping marquee B. Adjust cropping marquee to match the object’s edges C. Extend the cropping bounds D. Final
image
To transform the perspective in an image
1 Select the Crop tool and set the crop mode.
2 Drag thecropping marqueearoundanobjectthatwas rectangularinthe original scene(although it doesn’tappear
rectangular in the image). You’ll use the edges of this object to define the perspective in the image. The marquee
doesn’t have to be precise—you’ll adjust it later.