Nikon 9235 Reference Manual - Page 75
Adding New Points to the Curve, Removing Points from the Curve, Resetting Curves to Linear
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UPC - 018208092352
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Step 5-Editing Curves Directly Fine adjustments can be made to brightness and contrast in specific portions of the tone range by adding additional points to the curves for each channel. These points can be freely adjusted by dragging them into new positions, changing the shape of the curve. Steepening the slope in a given portion of the curve will enhance detail in that portion of the tone range. Changing the curve so that input levels in a given portion of the tone range are mapped to higher output levels will brighten tones in the affected tone range; similarly, changing the curve to map input levels to lower output levels will darken tones in the affected range. Adding New Points to the Curve Move the cursor over the curve edit display and click once to enter curve edit mode. Move the cursor to the position where you would like to add a new point, then click. A new point will be added at this position and the curve will automatically be adjusted to pass through this point.The position of the point can be adjusted by dragging it to a new location within the curve edit display. The image in the active window will automatically be adjusted to reflect changes to the curve. Removing Points from the Curve Points can be removed from the curve by dragging them out of the curve window. Resetting Curves to Linear The default linear curve for the current channel can be restored by clicking the button in the Curves palette. To return all curves to linear, hold down the Ctrl (Windows) or option (Macintosh) key on the keyboard while clicking the button. The Tool Chest can be resized by dragging its borders (Windows) or by dragging the handle at its lower right corner (Macintosh). The curves edit display changes with the size of the window, allowing you to enlarge the display to a maximum of 256 × 256 pixels.At this size, each of the 256 points on the curve is represented by a separate pixel, granting maximum precision when editing curves. Reference:The Tool Chest 74
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