TAILIEUCHUNG - Tài liệu Photoshop cs5 by Dayley part 29

Thiết lập Preferences Các ưu đãi Camera Raw có thể được truy cập bằng cách nhấp vào biểu tượng Open Tuỳ chọn trong trình đơn công cụ, như trong hình 7,8. Tuỳ chọn cho phép bạn thay đổi cách các tập tin hình ảnh được xử lý trong Camera Raw. Bạn tìm thấy các tùy chọn trong hộp thoại Preferences: | Part II Working with Camera Raw Images printed at 72 dpi looks extremely pixilated giving it a jagged look. Increasing the resolution to at least 200 dpi gives you a much better result. Increasing the resolution automatically reduces the size of your image without resampling it. Instead of spreading 72 pixels per inch over 30 inches of photo you can use the same pixels to pack 300 pixels per 7 inches of photo giving you not only a better print resolution but a more reasonable print size. Sharpen For Amount This allows you to apply output sharpening for Screen Glossy paper or Matte paper. This option is best used when you are planning to use your image straight from Camera Raw without opening in Photoshop. Sharpening an image is usually the last step you take before output because sharpening not only loses its effectiveness as other adjustments and filters are placed over it but it is also one of the more destructive edits making visible changes to the pixelization of your photo. After you have chosen an output to Sharpen for you can choose to sharpen a high standard or low amount. Open in Photoshop as Smart Objects Opening your raw image as a Smart Object makes it a little more complicated to work with in Photoshop but it protects it from the Photoshop edits and allows you to open it back up in Camera Raw and make additional changes to it. Smart Objects operate very differently from image files. You can t make adjustments directly to them limiting changes to the layer adjustments. The filters added to a Smart Object also are added as separate sublayers. After you ve learned more about Smart Objects and how they work the benefits and drawbacks of this option will be clearer to you. Cross-Ref You learn more about Smart Object layers in Chapter 10. Now that you ve seen the Workflow options the blue readout at the bottom of Camera Raw should make sense to you. You can glance down at any time to check your Workflow option settings and click to make changes if they are .

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