5In the Threshold dialog box, make the changes and selections you want.
m If you want the Dispatcher to recommend the appropriate threshold settings, click Suggest.
mIf you want to customize the threshold settings yourself, you can.
To set the lightest value, click the highlight dropper and then click the spot in the original that you want to use as highlight threshold. The slider adjusts to show the point you set, and the result adjusts to the change. The point you set becomes the lightest color in the image. Colors lighter than this point are reset to this level.
To set the darkest value, click the shadow dropper and then click the spot in the original that you want to use as shadow threshold. The slider adjusts to show the point you set, and the result adjusts to the change. The point you set becomes the darkest point in the image. Colors darker than this point are reset to this level.
Zoom
Grabber
Shadow dropper |
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| Highlight dropper |
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Tip: To work with a specific area of the image, click the zoom tool and then click the area you want. Use the grabber to move the original image around if necessary.
56Chapter 4
