Sử dụng photoshop cs5 part 14 ppsx

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Sử dụng photoshop cs5 part 14 ppsx

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ptg 82 Chapter 4 4. From the Type menu, choose Heal to blend source pixels into the texture and luminosity values of the target pixels or Clone to copy the source pixels exactly without healing. 5. Optional: Lower the Opacity value to lessen the retouching eect. You can also drag the edge of either circle to resize both of them simultane- ously, or add more circle pairs to correct other blemishes. To hide the circles, press V or choose a dierent tool. ➤ e retouching circles will remain available even after you click Done or Open. To redisplay them, choose the Spot Removal tool. To remove a selected pair, press Backspace/Delete, or to remove all pairs, click Clear All. Retouching a photo e Spot Removal tool can be used to remove blem- ishes or other imperfections, such as spots caused by dust on the camera lens. To remove blemishes or spots: 1. Choose the Spot Removal tool (B), and zoom in on the area to be repaired. 2. Position the pointer at the center of the area that needs repair, then drag outward to scale the target circle so it surrounds the blemish A (the Radius slider will readjust). When you release the mouse, a green and white source circle appears (which is linked to the red and white target circle), and the area within the target circle is repaired. B 3. Drag inside the target or source circle to reposition them, if necessary. C C To control where source pixels are sampled from manually, drag to reposi- tion the source circle. Pixels within the target circle will update instantly. A With the Spot Removal tool, drag a target circle around the blemish to be removed. B Camera Raw will display and position a linked source circle in a suitably similar area, and will use pixels from within the source circle to repair the blemish within the target circle. ptg Camera Raw 83 Saving and applying Camera Raw settings After carefully choosing custom settings for a photo in Camera Raw, you’ll be happy to know that you can save those settings as a preset, which you can apply to other photos, such as photos from the same shoot that need the same or similar corrections. You can apply a preset to a single photo via Camera Raw, to multiple photos via Camera Raw (see the next page), or to multiple selected thumbnails in Bridge via the Edit > Develop Settings submenu (see the tip below). To save Camera Raw settings as a preset: 1. With your corrected photo open in Camera Raw, choose Save Settings from the Settings menu. e Save Settings dialog opens. A 2. Check which categories of settings you want saved in the preset. Or to lter out the number of checked boxes, choose a category (tab name) from the Subset menu, then recheck any boxes, if needed. 3. Click Save. A dierent Save Settings dialog opens (yes, this is confusing). Enter a name (preferably one that describes the function of the preset), keep the .xmp extension and the location as the Settings folder, then click Save. 4. e saved settings preset is now available in the Presets tab for any photo (see the instructions below). You can apply a user-dened preset (saved collection of settings) to any photo in Camera Raw. To apply a Camera Raw preset: With a photo that needs correction open in Camera Raw, do either of the following: Click the Presets tab, then click a preset name. From the Apply Preset submenu on the Settings menu, choose a preset. ➤ To apply a Camera Raw preset to one or more selected photos in Bridge, right-click one of the selected thumbnails, then from the Develop Settings menu, choose the desired preset. A In the Save Settings dialog, specify which of your custom Camera Raw settings are to be saved in a preset. TAKING SNAPSHOTS OF YOUR EDITS If you save an editing stage of your photo (and the current Camera Raw settings) as a snapshot, you will be able to restore the photo to that stage at any time. Snapshots save with the Camera Raw fi le. ➤ To create a snapshot of the current settings, click the Snapshots tab, then click the New Snapshot button at the bottom of the tab. In the New Snapshot dialog, enter a name, then click OK. You can continue editing the photo. ➤ To restore the photo to a snapshot version at any time, click a snapshot name in the Snapshots tab. (If you need to restore your last custom settings, choose Custom Settings from the Settings menu.) ptg 84 Chapter 4 Synchronizing Camera Raw settings When you open multiple photos into Camera Raw, they are represented by thumbnails in a lmstrip panel on the left side of the dialog. After adjusting one photo or choosing a settings preset, you can click Synchronize to apply those settings to all the open photos. In practice, it’s unlikely that every single adjustment that is needed for one photo will work perfectly on all the rest, even if they’re from the same shoot. e Synchronize option is useful, however, for applying settings incrementally. For example, you could apply an adjustments preset or some adjustments in the Basic tab to a whole group of photos (perhaps to correct the white balance and exposure), click Synchronize, then select smaller and smaller batches for more targeted adjustments. To synchronize the Camera Raw settings of multiple photos: 1. In Bridge, select two or more image thumbnails, preferably for photos that were shot under the same lighting conditions and that require the same type of correction (they should be all raw les or all JPEG les). Double-click one of the selected thumbnails. 2. A lmstrip panel displays on the left side of the Camera Raw dialog. A Click one of the thumbnails. 3. Make the necessary adjustments to the selected image, including cropping if all the images are to be cropped in exactly the same way. You could also click a preset in the Presets tab. 4. Click Select All at the top of the lmstrip panel or Ctrl-click/Cmd-click the thumbnails that you want to apply the corrections to, then click Synchronize. e Synchronize dialog opens (it looks like the Save Settings dialog, which is shown on the preceding page). 5. Either manually check the setting(s) to be applied or choose a category from the Synchronize menu (and check any additional boxes). 6. To apply the current settings in the categories you checked to all the selected thumbnails, click OK. ➤ To cycle through the photos in the lmstrip panel, click the left or right arrowhead below the preview (in the lower right). If more than one thumbnail is selected, Camera Raw will cycle through only those photos. A When you open multiple photos into Camera Raw, the thumbnails for those images display in the lmstrip panel on the left side of the dialog. ptg Camera Raw 85 Still with us? Terric! Finally, you get to open your Camera Raw le into Photoshop. (After reading this page, also see our instructions for opening a Camera Raw le as a Smart Object layer on the next page.) To convert a Camera Raw file and open it into Photoshop (saving its settings): After correcting an image in Camera Raw, click Open Image. e current settings will be saved as instructions for converting the photo without altering the original le. (Or to open multiple images, click Open Images.) Note: e settings for a raw photo are saved either as part of the internal Camera Raw database in your system or as a hidden sidecar .xmp le, which is placed in the same folder as the raw le. is internal le is dierent from any user-created settings le that you may have created via the Save Settings command on the Settings menu. ➤ To close the Camera Raw dialog without open- ing your le, click Done. Your current settings will still be saved as instructions and will be accessible if you reopen the le in Camera Raw. Alternatively, you can open a copy of a Camera Raw le without recording the settings into the meta- data of the raw le or into the actual JPEG le. To open a copy of a Camera Raw file: In the Camera Raw dialog, hold down Alt/Option and click Open Copy (Open Image becomes Open Copy). e le will be converted using the current settings and will open into Photoshop, but those settings won’t be recorded over any existing instructions in the raw or JPEG le. Using the Save Options dialog, which is accessed via the Save Image button in Camera Raw, you can convert and save a copy of your digital photos in the DNG (Digital Negative), JPEG, TIFF, or Photoshop format. e main reason you’re likely to use this dialog is to archive your photos in the DNG format (see the sidebar at left). Camera Raw settings are preserved in DNG les, and are accessible and editable if the les are reopened in Camera Raw. Note: Camera Raw settings are applied perma- nently to photos that are converted to the JPEG, TIFF, and PSD formats. JPEG and TIFF les can be reopened in Camera Raw (whereas PSD les cannot), but the settings saved in those les won’t display and aren’t editable — well, except for JPEG photos that are opened and edited in Camera Raw and then closed by clicking Done; settings for such les will remain available in Camera Raw. To save a file as DNG, JPEG, TIFF, or PSD: 1. In the lower left corner of the Camera Raw dialog, click Save Image. e Save Options dialog opens. 2. For the Destination, choose Save in Same Location or Save in New Location. For the latter, choose a location in the Select Destination Folder dialog, then click Select. 3. In the File Naming area, enter a le name; also choose a naming or numbering convention from the adjacent menu, if desired. 4. As the Format, choose Digital Negative, JPEG, TIFF, or Photoshop, then choose format-related options. For example, if you cropped the photo in Camera Raw, for the Photoshop format, check whether you want to Preserve Cropped Pixels. 5. Click Save. WHAT IS DNG? Photographs capture unrepeatable moments, and archiving them is both a priority and a concern for photographers. Ideally, there would be one standard fi l e f o r m a t f o r d i g i t a l p h o t o s t h a t p h o t o g r a p h e r s could depend on with confi dence, knowing their photos will be stable and accessible for eternity — or at least for many, many years. At the present time, each camera maker uses a unique, proprietary format for creating raw fi les. Should a manufac- turer discontinue its own proprietary format, raw photos from their cameras might be unreadable by Photoshop or other image-editing applications. Enter DNG (short for Digital Negative), a format developed by Adobe. It preserves all the raw, unpro- cessed pixel information that the camera records. The coding for the DNG format is nonproprietary (open standard), which means it is available to interested companies. This format may be the long- term solution that photographers will come to rely on — provided it is adopted as the standard by most camera and software manufacturers. Converting, opening, and saving Camera Raw files ptg 86 Chapter 4 Opening and placing photos into Photoshop as Smart Objects If you open or place a Camera Raw le into Photoshop as a Smart Object, you’ll be able to readjust it at any time via Camera Raw. To learn more about Smart Object layers, see pages 308–311. To open a Camera Raw file as a Smart Object in Photoshop: Method 1 (open as a new document) When you’re done correcting a photo in Camera Raw, hold down Shift and click Open Object. A new document opens in Photoshop, and the photo appears on a Smart Object layer. ➤ If you want Camera Raw to convert and open all les as Smart Objects by default, click the underlined link at the bottom of the dialog, then in the Workow Options dialog, check Open in Photoshop as Smart Objects. e Open Image button is now labeled Open Object. Method 2 (place into an existing document) 1. Open a Photoshop document. 2. In Bridge, click the thumbnail for a raw or JPEG photo that you have nished editing in Camera Raw. It should have this badge: . 3. Choose File > Place > In Photoshop. e Camera Raw dialog opens. 4. Make any further adjustments to the photo, if desired, then click OK. e image will appear on its own layer in the currently active Photo shop document, within a transform box. A 5. Apply any needed scale or shape transformations to the placed image, then to accept it and convert it to a Smart Object layer, press Enter/ Return or double-click inside it. B To edit a Smart Object photo: 1. In Photoshop, double-click a Smart Object layer thumbnail to reopen an embedded copy of the photo into Camera Raw. 2. Make any desired adjustments, then click OK to apply your edits to the Smart Object layer. e original photo won’t be aected by your edits. ➤ You can scale a Smart Object layer at any time. Photoshop will use the pixel data from the original le to scale the image, so its quality won’t be diminished (that is, provided you don’t enlarge it beyond its original size). A We opened a Photoshop document, then from Bridge, chose File > Place > In Photoshop. When the photo opened in the Camera Raw dialog, we clicked OK; the photo appeared in the Photoshop le. Here, we are Shift-dragging a corner handle of the transform box to scale the placed image.  e l a s t s t e p w i l l b e t o a c c e p t i t . B When we accepted the placed image, the Smart Object icon appeared on the new layer. . We opened a Photoshop document, then from Bridge, chose File > Place > In Photoshop. When the photo opened in the Camera Raw dialog, we clicked OK; the photo appeared in the Photoshop. choose Digital Negative, JPEG, TIFF, or Photoshop, then choose format-related options. For example, if you cropped the photo in Camera Raw, for the Photoshop format, check whether you want. ptg 86 Chapter 4 Opening and placing photos into Photoshop as Smart Objects If you open or place a Camera Raw le into Photoshop as a Smart Object, you’ll be able to readjust

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