User guide

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CLIPSTER Edit Tool User Guide
see the selected color vector more clearly because it will be shown in
grey.
As soon as the preview window is visible, the pipette is automatically
active. With it you can select in the image directly the colors that you
would like to add to your alpha mask, i.e. your color vector. A left-click
of the mouse selects the color where the pipette cursor is positioned. A
right-click of the mouse deselects all colors. Nevertheless, to select a
whole range of colors more quickly you can also draw a rectangle in the
preview window. This will select all colors in the rectangle.
Figure 7-43: Selecting colors in the preview window
To facilitate the selection of a color vector, the view of this window can
be switched between three different states:
1. When the button a is enabled, the preview window will show you
a view of the alpha channel of the currently selected color vector.
The white pixels in this view are selected, while the black pixels
are deselected.
2. When the button a+P is enabled, the original image will be
shown in the window together with an alpha mask of the selected
color vector (displayed in grey).
3. If both above mentioned buttons are disabled, the image will be
shown with the color correction performed, i.e. when changes
were made to the settings in the color correction and balance
area, their effect can be seen in the preview window.
All views of the preview window are displayed in the overlay of the Edit
Tool and at the output of the system as well.
As soon as you are finished with your color vector selection, you may
close the preview window at any time.
7.11.4 The Color Correction and Balance Area
When the color vector is set and determined, you can start to color cor-
rect it. You can either alter the hue of the chosen color(s) or other prop-
erties such as brightness or saturation. In other words, to change a color
pipette rectangle