tailieunhanh - Sử dụng photoshop cs5 part 25

Lưu và tải các lựa chọn Tạo ra một lựa chọn có thể được tẻ nhạt, nhưng may mắn thay, nó có thể được lưu hoặc như là một kênh alpha hoặc như một lớp mặt nạ. Sau khi lưu, lựa chọn có thể được xếp lên các tài liệu bất kỳ lúc nào, và có thể được định hình lại, nếu cần thiết. | 160 Chapter 9 Saving and loading selections Creating a selection can be tedious but fortunately it can be saved either as an alpha channel or as a layer mask. Once saved a selection can be loaded onto the document at any time and can be reshaped if needed. To save a selection to an alpha channel 1. Create a selection. A 2. Display the Channels panel fcJ then click the Save Selection as Channel button ES on the panel. Press Ctrl-D Cmd-D to deselect. A new alpha channel appears on the panel. To reverse the masked and unmasked areas in an alpha channel click the alpha channel on the Channels panel then press Ctrl-I Cmd-I. To rename an alpha channel double-click the name type a new one then press Enter Return. To delete an alpha channel right-click the listing and choose Delete Channel. Alpha channels can be saved with files in several formats such as Photoshop JPEG 2000 TIFF and Photoshop PDF. In the File Save As dialog check Alpha Channels. To load an alpha channel as a selection On the Channels panel do either of the following Ctrl-click Cmd-click the alpha channel thumbnail or listing. Your selection will reappear in the document window. Drag the channel name to the Load Channel as Selection button at the bottom of the panel. To learn more about saving and loading alpha channels see Photoshop Help. .then clicked the Save Selection as Channel button on the Channels panel. This alpha channel listing appeared. RESHAPING AN ALPHA CHANNEL To reshape an alpha channel click the channel then with the Brush tool paint with white to expand the selection area or with black to remove areas from it. When you re done click the topmost channel. If you prefer to display an alpha channel as a ruby-lith a red tint click the alpha channel then click the visibility icon for the topmost channel. To restore the normal display after reshaping the channel hide the alpha channel by clicking its visibility icon then click the topmost channel . SAVING A SELECTION AS A MASK If you save a .