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Hướng dẫn sử dụng Coreldraw x5 - part 75

Tham khảo tài liệu 'hướng dẫn sử dụng coreldraw x5 - part 75', công nghệ thông tin, đồ họa - thiết kế - flash phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 724 CorelDRAW X5 The Official Guide B A C H M N J K D E ----F G FIGURE 23-4 L Use the Camera RAW Lab to color- and tone-correct high-quality digital images. The A area is for rotating the RAW image before placing the copy into your CorelDRAW document. RAW camera data can also include portrait and landscape orientation so you might never need to use these buttons if your camera saved orientation info. B marks your navigation tools for previewing the image. From left to right you have tools for panning the window click-drag when your cursor is inside the preview window zoom in and out Fit To Window 100 1 1 viewing resolution and finally a slider to zoom your current view in and out. C marks the Split Pane view shown in the previous illustration so you can compare the original image with any corrections you make. CHAPTER 23 Bitmap Boot Camp Working with Photographs 725 D marks the Color Depth. You d be ill-advised to change this from 48-bit because only a high-depth image can be adjusted extensively without taking on banding and color clipping explained shortly . The only reason you d choose 24-bit from the selector list is if the image were flawless and you wanted to get down to work by placing it in your document and saving space on your hard disk. E marks the White Balance selector. You have many choices that influence the color casting of the RAW image. Ideally you want the placed image to be casting neutral the grays in the image contain no hues and the photo looks neither too warm nor too cold. You have selections such as Tungsten Cloudy and other lighting conditions that influence the color cast of images. As Shot is the default setting and this image appears to be fine As Shot. F is the White Balance eyedropper tool used to define a completely neutral area in the preview window to better set and possibly neutralize color casting. The cursor for this tool gives you an RGB readout of the current area in the preview photo this is the true color over a pixel and .