TAILIEUCHUNG - Photoshop cs5 cho nhiếp ảnh gia part 35

Sử dụng Công cụ Crop cho thẳng Nếu bạn muốn vào thẳng các hình ảnh trong một cách mà giữ một chi tiết quan trọng đó là gần một cạnh, bạn sẽ cần phải sử dụng một phương pháp khác nhau để mở rộng kích cỡ canvas như bạn cây trồng. Để làm như vậy, sử dụng công cụ Crop như sau: | 210 CHAPTER 5 WORKFLOWS AND FIRST STEPS Straightening Horizons There are several ways to straighten horizons. We cover two of the most useful methods here. Using the Ruler Tool for Straightening The Ruler tool has new functionality in CS5 and offers a fast easy way to straighten Photoshop . . . ONLY an image because it straightens and crops in a single step. It s very similar to the Straighten tool in ACR. To use the Ruler tool do the following 1. Click on the Ruler tool 130 . It lives with the Eyedropper tools. If it s not immediately visible click and hold the lower-right corner of the Eyedropper tool in the Toolbar until you see the other tools. Then click on the Ruler tool. 2. Click on the beginning of a line that should be straight but isn t. Drag the tool along that line. 3. Click Straighten in the tool Options bar. The image will be cropped and straightened in a single step. Note To straighten an image with a reflection use the Ruler tool as described then click the subject s eyes or other identifiable point and drag to the same point in the reflection. Click Straighten. Using the Crop Tool for Straightening If you want to straighten the image in a way that preserves an important detail that s near an edge you ll need to use a different method to extend the canvas size as you crop. To do so use the Crop tool as follows 1. Begin by drawing a crop on the image. Don t worry about placing it precisely yet. 2. Click the small square box in the middle of the horizontal line closest to the horizon and drag it so that it is just on top of the horizon. 3. Place your cursor outside the crop area. Notice it changes from an arrowhead to a double-arrowed icon. Click and drag it up or down to rotate the crop and make the horizontal line follow your horizon as shown in Figure . When you are satisfied that the crop line parallels the horizon line release the cursor. 4. Click the center box on that crop line to drag it back to an appropriate place in your image. The .

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