tailieunhanh - Tài liệu Photoshop cs5 by Dayley part 36

Thiết lập các tùy chọn Mask Các tùy chọn Mask bao gồm New, Add, và Xoá bỏ. Bất cứ khi nào mới được chọn, một nét cọ trên hình ảnh của bạn tạo ra một mặt nạ mới với các cài đặt mới và đặt một pin mới. Sau khi brush đột quỵ đầu tiên, tùy chọn Mask tự động thay đổi để Add. Khi Thêm được chọn, bàn chải những nét bạn thực hiện được thêm vào khẩu trang đang được chọn | Part II Working with Camera Raw Images FIGURE The Adjustment Brush panel provides a limited number of adjustments that can be made to targeted areas of your image. Mask options Adjustment options Brush options Mask overlay color Setting the Mask options The Mask options include New Add and Erase. Whenever New is selected a brush stroke over your image creates a new mask with new settings and places a new pin. After the first brush stroke the Mask option automatically changes to Add. When Add is selected the brush strokes you make are added to the currently selected mask. You also can select Erase which allows you to use the brush to erase areas in the currently selected mask. Note Don t be confused by all this talk of brushing on a mask. You are probably wondering how an adjustment can be applied through a mask. Actually each new mask is applied to the entire image and the Adjustment Brush erases portions of it so the adjustment can filter through. Using the pins The pins that are placed every time a mask is created with the adjustment brush are only general indicators of the area where the adjustment is taking place. A pin is placed at the beginning of the first stroke you make in creating a new mask. To see the areas that are being affected by your adjustment hover over the center of a placed pin and the mask temporarily appears over the adjusted areas. Figure shows an image with two pins placed. The pin on the moon is outlined in green as you can see by the black circle inside of it indicating that it is selected. Adding or erasing affects the mask this pin is associated with. 242 Chapter 8 Processing Photos in the Camera Raw Workspace FIGURE Create a new mask that places a new pin whenever you want to make a separate adjustment. The second pin is placed at the bottom of the photo. The cursor is hovering over it and the mask has appeared white indicating that the mountains are being affected by the adjustment. You can toggle off the visibility of

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