tailieunhanh - Photoshop cs5 cho nhiếp ảnh gia part 21

Snapshot Tab nó bây giờ có thể tạo và lưu nhiều phiên bản của một hình ảnh. Ví dụ, bạn có thể tạo ra một phiên bản màu đen và trắng, cũng như phiên bản một màu hoặc một với một cây trồng rất khác nhau, vv khi bạn có điều chỉnh hình ảnh theo cách mà bạn muốn giữ lại, để tạo ra một bản chụp | 120 CHAPTER 3 ADOBE CAMERA RAW Photoshop ONLY SnapshotTab It s now possible to create and save multiple versions of an image. For example you could create a black-and-white version as well as a color version or one with a very different crop etc. When you have adjusted the image in a way that you d like to keep go to the Snapshot tab and use the Snapshot icon J to create a snapshot of the image looking this way. That way you can further modify the image any way that you like. To return the image to the snapshot open the Snapshot tab and click the snapshot or choose Apply Snapshot from the fly-out menu at the top right of the tab and choose the desired snapshot. To delete a snapshot select it and then click the Trashcan icon in the lower right of the interface. You can make multiple snapshots for each image and open each simultaneously into Photoshop. This is particularly useful with very contrasty images if you want to create two versions to merge together to extend the dynamic range. This way you can use the raw file to access highlight or shadow information that may not be accessible in the converted image that HDR Toning uses. We cover single-image HDR Toning in Chapter 8 Composites. Making Localized Adjustments ACR includes the ability to make localized adjustments right in the raw converter. This means that you can make adjustments to specific parts of your image while still accessing all the information your sensor captured rather than having to wait and use the converted file in Photoshop with selections and layer masks. It s worth spending the time to get comfortable with these new tools. At first they may seem a bit quirky but if you follow our instructions you ll have them under control in no time There are two tools you can use the Adjustment Brush and the Graduated Filter 11 . Using the Adjustment Brush When you click the Adjustment Brush icon the interface changes as shown in Figure . The first controls consist of three radio buttons that let you .