TAILIEUCHUNG - Photoshop cs5 cho nhiếp ảnh gia part 54

Ghép các yếu tố có lẽ bạn có nhiều hình ảnh, mỗi yếu tố có chứa mà bạn muốn kết hợp thành một hình ảnh duy nhất. thường, các kích thước tương đối của các yếu tố khác nhau cần phải được sửa đổi, bạn có thể chăm sóc mà trong quá trình ghép các yếu tố. trong ví dụ tiếp theo, chúng tôi sẽ tạo ra một hỗn hợp của một số loài chim, một nền tảng, | 330 CHAPTER 8 COMPOSITES For Photoshop Elements Users Creating a Selection within a Channel Although Elements does not have a Channels panel we can fake this selection method by converting our image to black and white. 1. Duplicate the layer you wish to select in by selecting it and choosing Layer Duplicate Layer. 2. Select Enhance Convert to Black and White on the duplicate layer. 3. Experiment with different combinations of the Red Green and Blue channels such as a value of 100 for Red and 0 for Green and Blue to let you just see the Red channel . The sidebar For Elements Users Matching Exposures earlier in this chapter shows what selecting just the Red channel looks like. 4. Click OK. 5. Select Enhance Adjust Lighting Levels and follow Steps 3 and 4 from the Photoshop instructions. 6. Use your favorite selection technique such as the Magic Wand or Quick Selection tool to select the part of the image you wish to be selected. 7. From the menu bar choose Select Save Selection and save this selection. 8. Delete the duplicate layer. 9. In the original layer choose Select Load Selection from the menu bar and load the selection from Step 7. 10. Click on the layer mask and choose Edit Paste from the menu bar. If you plan to use your selection in a layer mask replace Steps 7-9 as follows 7. Choose Select All from the menu bar. 8. Choose Edit Copy. 9. Delete the duplicate layer. Compositing the Elements Perhaps you have several images each containing elements that you would like to combine into a single image. Often the relative sizes of the various elements need to be modified you can take care of that during the process of compositing the elements. In the next example we ll create a composite of some birds a background and a moon 1. Open your destination photo the photo that you are going to use as the main photo set its resolution to 300 dpi or your preferred printing resolution by choosing Image Image Size and uncheck the Resample Image option. You don t want to .

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