Xerox Document Workstation with PlotWorks Support & Software 用户指南
8-34 • PlotWorks User Guide
The Vector Imaging and Raster Imaging Tabbed Dialog Boxes
The Vector Imaging and Raster Imaging tabbed dialog boxes offer similar
options. These are described next.
options. These are described next.
Gamma Correction
The Gamma Correction option is provided to control the overall brightness, hue,
and contrast of a particular color in an image.
and contrast of a particular color in an image.
Adjusting the gamma setting for a color can help improve contrast so that lines and
fills display better. If you have an image where one particular color does not
display well, you can adjust the Gamma Correction for that color. For example, if
you have a black line that intersects a red fill and the black line does not show on
a monochrome print, you can lower the red gamma setting so that the line stands
out from the fill.
fills display better. If you have an image where one particular color does not
display well, you can adjust the Gamma Correction for that color. For example, if
you have a black line that intersects a red fill and the black line does not show on
a monochrome print, you can lower the red gamma setting so that the line stands
out from the fill.
8.21
Original
Image and
Mono-
chrome
Represen-
tation
8.22
Same Im-
age with a
lower red
gamma
setting
Gamma Correction settings do not affect black and white areas of a drawing.
Changing the Gamma Correction has little impact on light colors.
Changing the Gamma Correction has little impact on light colors.
To apply Gamma Correction, use the Gamma Correction slider for the color you
wish to correct. The selected color becomes lighter as you lower the Gamma
Correction setting and darker as you increase the Gamma Correction setting.
wish to correct. The selected color becomes lighter as you lower the Gamma
Correction setting and darker as you increase the Gamma Correction setting.