ORIS PDF Tuner Version 4.4.8 User Manual - image2output - Support

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Transforming Image Colors
Replacing Source Color by Target Color
Fig. 24-1
Color Probe
To set the color probe:
1. Select COLOR PROBE in the MENU window.
2. By default, an area of 1 pixel is measured. To change the size of this
area, select COLOR MEAS. BOX in the MENU window and enter the size.
Enter 10 to measure an average value over an area of 10 x 10 pixels,
for example. The maximum size is 32 x 32 pixels.
3. Click on a point of the image containing the color you want to monitor.
The color probe window appears. As you modify the image, the lower
row of CMYK values will reflect the color changes.
About the Color Transformation Modes
‘Transformation’ Mode
The target color replaces the source color, all other colors change according
to a specific algorithm by which the color space is distorted.
‘Correction’ Mode
The target color replaces the source color and is additionally mixed into
image colors which are similar to the source color. Smooth transitions
are created between original and modified colors.
Using the TOLERANCE function you can define the range of similar colors
which are going to be modified. With a tolerance of 0% only the source
color is modified, with a tolerance of 100% the target color is mixed into
all image colors.
Note:
The black separation can only be modified in the CORRECTION mode.
‘Replacement’ Mode
The target color and similar colors replace the source color and similar
colors. The size of the source and target color range is the same. Harsh
transitions are created between original and modified colors.
Using function TOLERANCE you can define the source/target color range.
The higher the tolerance, the more different from the source color are the
ORIS PDF Tuner Version 4.4.8 User Manual 24-3
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