Graphics Programs Reference
In-Depth Information
FIGURe 3.32 Cropping an image using the rule of thirds grid
T h e e s s e n T i a l s a n d B e yo n d
In this chapter you have learned the fundamentals of digital imaging, and this knowledge
should hold you in good stead as you continue to learn more about Photoshop's tools and
techniques. In particular, you should now understand pixels, bits, compression, anti-aliasing,
the basis of additive and subtractive color, the relationship between resolution and docu-
ment size, resampling, changing the canvas size, trimming, cropping, and much more.
a d d i T i o n a l e x e r c i s e
Open the Logo.jpg sample ile on the topic's Downloads page at www.sybex.com
/go/photoshopessentials and trim away the medium gray border. Reduce the image down
to a size of 400 n 400 pixels. When you're finished, the image should look the way it does here.
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