tailieunhanh - 50 FAST PHOTOSHOP" CS TECHNIQUES- P6

5O FAST PHOTOSHOP" CS TECHNIQUES- P6: Adobe Photoshop CS has more than 550 menu items that can be accessed from the main menu bar. Additionally, it has 18 feature-rich tool palettes including the Toolbox, which has more than 65 tools. Plus, Adobe Photoshop CS offers a .plethora of tool presets, color swatches, actions, styles, brushes, blend modes, and much more. | This page left blank. USING SCALING MASKS TO SPEED UP EDITS 2002 Philfard 02002 Phil Hard ABOUT THE IMAGE Birches Along the Kevo River KB Canham 4x5 field camera mounted on tripod 120mm lens with red filter Kodak TMax 100 V2 @ f 22 scanned wet on a ScanView drum scanner yielding 100MB grayscale file downsampled to 2 400 x 1 920 pixel Large image files multiple layers slow computer processors minimal RAM or extensive edits can all make the editing process painfully slow and time-consuming. If you employ the use of Adjustment Layers for making changes as in Technique 15 this techniqueby Phil Bard can be an incredible timesaver. This is especially true if you work on files that start off as 100MB or larger files and grow to 300MB or more after six or eight layers are added as is the norm for Phil. In Lu technique you use a relatively low-resolution image of one of Phil s photographs that he took of birch trees along the Kevo River in Lapland Finland. Even though this small grayscale file is not likely to test your patience or stress your computer it w i11 illustratethe technique which can be used with any size of image. 123 124 Chapter 3 Working in Black and White STEP 1 OPEN FILE Choose File Open Ctrl O PC Cmd O Mac to display the Open dialog box. Doubleclick the 16 folder to open it and then click the file to select it. Click Open to open the file. STEP 2 REDUCE IMAGE SIZE AND SAVE FILE Choose Image Image Size to get the Image Size dialog box shown in Figure . Make sure that Constrain Pro port i ms and Resample Image are both checked and that Resample Image is set to Bicubic Sharper. In the Pixel Dimensions area changeWidth from 2400 to 500. Notice that the image size went down from to 195K. Click OK to resize the image. An important step at this point is to save the file. If you do not save the file you won t be able to scale it and apply the masks to the original image after editing is complete. Choose File - Save As Shift Ctrl S PC Opt