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Author: Michael_McAloon, Contributing Editor
| Rotating
Have you ever scanned a picture and found that you got it upside down or it’s standing on its end? I know I do it regularly. With the Rotate tool this is easy to correct. You find the Rotate tool in the Tool window where the Crop and Resize tool is located. When you select the Rotate tool and click in the image, two things happen: (1) A dialog window opens (see Figure 12), and (2) A white circle appears at the center of the image. The white circle is the axis point around which the image will rotate. You can move that point to wherever you want the pivot point to be located. To rotate the image, you just click anywhere on it and drag it with the cursor, or you can just enter the angle of the rotation that you want in the dialog box. When you have the rotation as you want it, just press the Enter key. |  |
| Fixing Red Eye
Along with flash photography came the dreaded red eye, turning the cutest of kids into devil children. Normally, this is not a problem a painter is concerned with; however, it seems worthwhile to show you how to use this feature of GIMP with your photos. Removing red eye can be accomplished in several ways, but I feel the easiest is by following the steps I found in Akkana Peck’s book Beginning GIMP: Step one. If you have a photograph showing the red eye effect, zoom in on the eye as in Figure 13 so the pupil is large enough to work on easily. Step two. Use the circular (ellipse) selection tool (found in The GIMP toolbox window) to circle the pupil area where the red is, as shown in Figure 14. |
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| Step four. Click on the button next to the R, just below the red rectangle so that only the red in the selection will be affected. (You also may have to use the M for magenta in some instances.)
Step five. Move the saturation slider at the bottom of the window all the way to the left, removing all the color. You can toggle the dotted selection lines on and off for viewing your changes with the keyboard command Control T. Step six. At this point, you may want to darken the pupil which I did to get the image below. To do that, just move the lightness slider to the left. |
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