3.
13
3 Scanning
Operation:
1. Click on the Tonal Map icon in the Preview window or the
Tonal Map
tab in
the Enhancement dialog box. The Tonal Map dialog box will appear.
2. Click on the Tonal Map curve, an indicator appears which can then be
dragged to change the shape of the curve.
a) If a previously saved Tonal Map is desired, select the
Load
button. An
Open dialog box appears for you to open the desired file.
b) Or, click on the
Reset
button to return the Tonal Map to the default
diagonal as in the original.
c) Click the
Save
button to save the changes as a customized setting. A Save
As dialog box will appear upon selection of this button. Enter the name
for the customized curve and click on the
OK
button.
3. Select the
Histogram
button to see a histogram of the changes made.
4. Select the
OK
button to accept all the changes or the
Cancel
button to
abandon all unsaved changes.
If the curve is changed into a concave shape below the original diagonal, the
enhanced image will be darker than the original.
Normal Image
Darkened Image
Scanning
