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Tài liệu Photoshop cs5 by Dayley part 45

Trộn chế độ Trộn chế độ tạo hiệu ứng đặc biệt bằng cách thay đổi các lớp cách ảnh hưởng lẫn nhau. Ở đầu chương này, tôi yêu cầu bạn tưởng tượng rằng các lớp đã được như trong suốt chồng lên nhau. Sử dụng chế độ Blending là một ví dụ về cách sử dụng công nghệ kỹ thuật số đã đưa ý tưởng này thêm một bước nữa | Chapter 10 All about Layers FIGURE 10.9 The Layers panel has different types of lock settings that allow you to protect your layers. Lock Transparent Pixels Lock Image Pixels Lock Position Lock All Blending modes Blending modes create amazing special effects by changing the way layers affect each other. At the beginning of this chapter I asked you to imagine that layers were like transparencies stacked on top of one another. Using Blending modes is an example of how using digital technology has taken this idea one step further. Imagine that your transparencies are made of gel rather than plastic and that rather than sitting on top of one another they can blend with each other. Then imagine that you can determine which areas of the images on your transparencies would blend and how. Last but not least imagine that you finish blending them and you hate the result but you find that you can pull them apart and start all over with your original images. But blending modes do more than blend two images together. They can be used on any layer that is added to your Layers panel. You can use them to change the way a layer style is applied to blend a pattern into an image or even to change an adjustment layer into a special effect. The drop-down menu at the top of the Layers panel shown in Figure 10.10 shows the different blending modes you can use to choose how the selected layer affects the layers under it. The blending modes are divided into six general categories explained in the following sections. 305 Part III Selections Layers and Channels FIGURE 10.10 The Blending modes menu Normal and dissolve blending modes The Normal blending mode is the default setting in the Layers panel and when it is used layers act as you would expect. When the opacity of a layer is set to 100 percent any pixels in that layer completely cover the layers below. As you reduce the opacity of a Normal layer it becomes universally more transparent. If you choose the Dissolve blending mode it looks .