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Table Of Contents
TIP To smooth the contrast, you can increase the gamma (raise the curves) and then adjust the Black and
White levels in the Basics menu.
■ To modify part of the RGB gamma or luminescence range rather than the entire range, use the
Tools box to modify the adjustment curves.
To:Select:
Add control points to an adjustment curve. With Add Points selected, click either the
red, green, blue, or luminance adjustment curve to add a control point.
Add Points
Delete control points from an adjustment curve. With Delete selected, click a point on
the red, green, blue or luminance adjustment curve to delete it.
Delete
Select and move the control points (drag the points to move them).Select
Zoom in on the curves. With Zoom selected, drag over the curves right or left to zoom
in or out. You can also press Ctrl+spacebar and drag in the curves to zoom.
Zoom
Zoom in on a section of the curves. With Rect Zoom selected, drag a selection box to
zoom in on the area of the curves contained by the selection box.
Rect Zoom
Pan the curves. With Pan selected, drag over the curves to pan the curves in any direc-
tion. You can also press spacebar and drag in the curves to pan.
Pan
After dragging control points, the image and 2D vectorscope update accordingly.
To reset RGB gamma or luminance curves for all frames in the clip:
1 Do one of the following:
■ To reset individual RGB gamma curves, select R in one of the Channel Reset boxes next to the
Gamma R, B, or C field.
The gamma curve is reset along with its adjustment curve for all frames in the clip. Any control points
added to the adjustment curve are removed.
■ To reset the R, G, or B gamma value for the current frame, Ctrl-click the GamR, GamB, or GamC
field.
■ To reset RGB adjustment or luminance curve values for all frames in the clip, click one of the
channel buttons (RGB, Red, Green, or Blue) or the Luminance button to display the curves you
want to affect, then select Reset in the Reset box.
The values for the displayed adjustment curves or luminance curve are reset. Any control points added
to the adjustment curves or luminance curve are removed.
To clear RGB gamma or luminance curve values for the current frame:
1 Do one of the following:
■ To clear individual RGB gamma curve values for the current frame, select C in one of the Channel
Reset boxes next to the Gamma R, B, or G field.
830 | Chapter 19 Colour Correcting