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Photoshop 7: Tips & Techniques
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Figure 5-12
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I used the Edge Highlighter tool to draw an outline around the object to be extracted, and then filled in the area I wanted to keep
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To return to viewing the original image, choose Original in the Show menu under Preview Or you can choose one of the following backgrounds from the Display menu against which you can temporarily display the extracted object:
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Press CTRL-+ (Windows) or CMD-+ (Mac) to zoom in and get a closer view of the edges of your object Then press CTRL-- (Windows) or CMD-(Mac) to zoom out
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None Displays the extracted image against the gray checkerboard used to symbolize transparency in Photoshop Black Matte Gray Matte White Matte Other Mask Displays the extracted image against solid black background Displays the extracted image against a solid 50 percent gray background Displays the extracted image against a solid white background
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Displays the extracted image against the color of your choice Displays the extracted image as solid white against a black background
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5: Using Selections and Masks
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I used the Cleanup and Edge Touchup tools to smooth and soften the edges around my daughter s hair
You can continue to clean up the edges as necessary, or you can even go back and redraw the edges, refill the center, and then re-extract the image When you re satisfied with the object, click OK to formally extract the image to Photoshop, where the background pixels are erased and left transparent You can then place the object against the background of your choice
NOTE
If you re working on the Background layer in a file, the layer is turned into a normal layer, and the background around the extracted image is erased to reveal the gray checkerboard pattern, as shown in Figure 5-14
Photoshop 7: Tips & Techniques
Figure 5-14
Because I was working with an image on a Background layer in Photoshop, the gray checkerboard pattern was made visible when the image was extracted
Using Layers
TIPS IN THIS CHAPTER Turn On Thumbnail Views to Help Layer Recognition Name Layers for Easy Recognition Group Related Layers into Sets Link Layers to Transform Multiple Layers at Once Merge Layers to Reduce File Size Align and Distribute Elements on Multiple Layers Right-Click (CTRL-Click) to Jump to the Target Layer Lock Layers to Protect Their Contents Adjust Opacity to Allow Layers Beneath to Show Through Use Layer Styles to Customize Special Effects Add Adjustment and Fill Layers to Adjust Color on Single Layers Instead of Entire Images Use Clipping Groups to Mask One Layer with the Contents of Another Use Masks to Temporarily Hide Parts of Layers 171 172 174 177 178 180 183 184 186 186 189 193 196
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ne of the key features of Photoshop is its use of layers While they may seem small in comparison to other aspects of the program, it is only with the use of layers that most of the other features and commands are possible If you re new to Photoshop, then such a large emphasis on layers begs the question, What are layers You might think of layers in Photoshop as being similar to clear sheets of acetate Painters sometimes place these sheets of acetate over their paintings before making a potentially drastic change in the painting By painting a quick sketch on the acetate instead of the canvas itself, a painter is giving herself the chance to say forget it and remove the change before it was ever made permanent on the canvas Using layers in Photoshop is much the same You can paint, draw, and make changes on a layer your piece of acetate without affecting the contents beneath the layer In fact, in Photoshop, you can add multiple layers on top of each other as needed, and each layer is treated as a separate entity in Photoshop This means you can edit the contents of each layer without changing the contents of other layers
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