Understanding Adobe Photoshop CS4- P6

Understanding Adobe Photoshop CS4- P6: Learning Adobe Photoshop is essential to success in digital media industries.Photoshop is a gateway into several related technologies. From digital image acquisitionand processing to typography and compositing, Photoshop is often your fi rstintroduction. If you can master this program, you can go on to success with severalother technologies. With this in mind, it is important to learn Photoshop with oneeye on the present and the other on the future.
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Understanding Adobe Photoshop CS4- P6138 Chapter 8 Compositing with Layers TIP • If you need a flattened copy to paste into another document (or within your current document), use the Copy Merged com-Flattening Images mand. Select an active, visible layer, and then choose Select >Remember, flattening is permanent. All. You can copy all visible items to your clipboard as a singleBe 100 percent positive before you layer by then choosing Edit > Copy Merged or by pressingdiscard your layers permanently. Shift+Command/Ctrl+C.Saving a flattened copy is usuallya better idea. You can also groupmultiple layers into a Smart Objectby selecting the layers, and then Creating a Panoramachoosing Layer > Smart Object >Convert to Smart Object. You can By using layers, you can take several photos from one location andalways edit the Smart Object and merge them together to create a large panoramic photo. Manyextract the layered file. people take an assortment of photos of a subject while holding the camera, but it’s best to use a tripod. It’s important to ensure that you have some overlap between each frame; that is to say, the adja- cent photos share some common subject matter—about 15 percent overlap is usually enough. Let’s try piecing together some photos using the Automation com- TIP mand called Photomerge:Professional PanoramicPhotography 1. Choose File > Automate > Photomerge. Photomerge is aPros know that it’s best to use a specialized “mini- application” within Photoshop that assists intripod and slightly move the camera combining multiple images into a single photo.to create overlap. There are even 2. Click the Browse button and navigate to the Chapter 8 folderspecialized tripod heads that you on the book’s CD.can purchase from companies likeKaidan (www.kaidan.com) and 3. Select the folder Ch08_Pano, select all the fi les within theReally Right Stuff (www.reallyright folder, and then click Open.stuff.com) that make leveling androtation much more precise. Creating a Panorama 1394. There are several Layout options avail- able that attempt to fi x problems caused by panoramic photography (such as distortion). A good place to start is Auto, which attempts to align the images but will bend them as needed.5. Select the check boxes next to Blend Images Together and Vignette Removal. These two options will attempt to blend the edges of the photos together and can hide subtle differ- ences in exposure.6. Click OK to build the panoramic image. Photoshop attempts to assemble the panora- ma based on your choices in the dialog box. Since layers are preserved, however, you can still tweak the position of individual layers.7. Nudge any layers with the Move tool if your alignment is off.8. The Layer Masks help to blend the photos together. They can be modified as needed using the techniques you learned in the previous chapter.9. Choose Layer > Flatten Image.10. Crop the image to a clean rectangular shape using the Crop tool (C).Be sure to check out the fi le Ch08_Pano_Complete.tif to see how the image was furtherenhanced with adjustment layers.140 Chapter 8 Compositing with Layers Auto-Aligning Layers The technology that powers the Photomerge command can also be harnessed to stitch together nonpanoramic shots. The Auto-Align Layers command is a useful way to stitch to- gether multiple shots or scans of a large object or a group photo. The command is very easy to use and produces impressive results. 1. Choose File > Scripts > Load Files into Stack to combine two or more fi les into one document. 2. In the Load Layers dialog box, click the Browse button to nav ...