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Tham khảo tài liệu 'the adobe photoshop cs4 dictionary: the a to z desktop reference of photoshop- p5', công nghệ thông tin, đồ họa - thiết kế - flash phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | PERSPECTIVE OPTIONS Perspective options Menu Edit Transform Perspective Shortcut - See also Lens Correction Version 6.0 7.0 CS CS2 filter CS3 CS4 Prior to the all conquering Lens Correction filter released in Photoshop CS2 the perspective of a picture was manipulated in one of two ways. When cropping with the crop tool. Simply select the Perspective option 1 in the Crop tool s options bar and then drag the corner handles to make the adjustment. The option only appears after the cropping marquee has been drawn on the canvas surface. The second method is to select the object or picture part to adjust and then use the Edit Transform Perspective command. Again adjustments are made by dragging the corner handles of the selection 2 . These options are still one of the best ways for altering the perspective of illustrations or web graphics but the Lens Correction filter offers more power and control when applying these changes to photographic images. Photo Filter Menu Image Adjustments Photo Filter Shortcut - See also Color temperature Version 6.0 7.0 CS CS2 CS3 CS4 The Photo Filter is one of the enhancement options available from the Image Adjustments menu. The feature simulates the color changes that are made to a picture when it is photographed through a color correction filter. The filter contains three controls. In the Use section 1 you can select the type of filter from the drop-down list provided or create your own by double-clicking the color swatch and selecting a new hue. The Density slider 2 determines the strength of the filters and the Preserve Luminosity 3 option adjusts the filtered photo to account for the density of the filter with the aim of maintaining the picture s original brightness. The filter is also available as an adjustment layer. Photocopy filter Menu Filter Sketch Photocopy Shortcut - See also Filters Version 6.0 7.0 CS CS2 CS3 CS4 The Photocopy filter as one of the Sketch group of filters simulates the look of a picture that has been .
