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Photoshop cs5 by steve Johnson part 69

Phân công một hồ sơ khác nhau cho một tài liệu hệ thống quản lý màu sắc của Photoshop phải biết không gian màu của tài liệu của bạn để nó có thể giải mã ý nghĩa của các giá trị màu trong hình ảnh. Khi giao một hồ sơ vào một hình ảnh, hình ảnh sẽ được trong không gian màu được mô tả bởi các cấu hình cụ thể. | Assigning a Different Profile to a Document Photoshop s color management system must know the color space of your document so it can decipher the meaning of the color values in the image. When assigning a profile to an image the image will be in the color space described by the particular profile. For example a document s profile can be assigned by a source device like a digital camera or a scanner or assigned directly in Photoshop. When using the Assign Profile command color values are mapped directly into the new profile space. Assign or Remove a Profile Open a document. Click the Edit menu and then click Assign Profile. Select from the following options Don t Color Manage This Document. Select this option to remove any assigned profile the document becomes untagged . Working RGB. Select this option to tag the document with the current working space profile. Profile. Select this option click the list arrow and then select a new color profile which removes the old one. Q Click OK. o See Also See Changing from Additive RGB to Subtractive CMYK Color on page 428 for more information on using and working with CMYK images. B Chapter 18 Managing Color from Monitor to Print 435 Converting the Color Space to Another Profile There are times when you will open a document that contains an embedded profile and you need to convert it. Photoshop gives you the option of tagging the document with another profile without converting the colors or removing the old profile and converting the color space. Photoshop s Convert to Profile command gives you the ability to change the profile in a document. In addition you may want to prepare a document for a different output destination such as an inkjet printer or 4-color press. Convert the Color Space to Another Profile Open a document. Click the Edit menu and then click Convert to Profile. Click the Profile list arrow and then select a new color profile. The document will be converted and tagged with the new color profile. Click the .