Nikon 4 user manual LCH Editor

Enhancing Images

The LCH Editor

The LCH Editor models color using Luminosity (master lightness), Chroma (color saturation, or vividness), and Hue. A separate Color Lightness channel is available for adjusting the bright- ness of selected colors. To use the LCH Editor:

Display the LCH Editor
1 Select the tool palette containing the LCH Apply button	Settings button
Editor from the View menu (the default			Show
location for the LCH Editor is Tool Palette
			Original
2) and click the triangle at its top left
			Image
corner.			Data
If the Apply button is off ( ) , turn it			Channel
2 on ( )			menu
			Curve
			Point
			Reset
			Active
			Channel
Select a channel	Reset All	Channels
3 Select the desired channel from the chan-
nel menu.

4 Adjust settings

Adjust settings for the selected channel as described on the following pages.

Channel Selection Shortcuts

The channel can also be selected using the following shortcuts:

•Ctrl Shift ~ (Windows)/ option ~ (Macintosh): master lightness channel

•Ctrl Shift 1 (Windows)/ option 1 (Macintosh): color lightness channel

•Ctrl Shift 2 (Windows)/ option 2 (Macintosh): chroma channel

•Ctrl Shift 3 (Windows)/ option 3 (Macintosh): hue channel

Input and Output (Intensity) Displays and the Curve Point Button

When the cursor is moved over an image or over the edit window in the LCH Editor, input and output levels for the pixel under the cursor are shown on the curve and in the input and output displays for the current channel. Clicking the Curve Point button when the cursor is over the image in the active window adds a point corresponding to the area under the cursor to the active curve.

“Show Original Image Data,” “Reset Active Channel,” and “Reset All Channels”

To hide the effects of changes to the active curve, click and hold the Show Original Image Data button. Click the Reset Active Channel button to reset the active curve to linear. Click the Reset All Channels button to reset all curves in the LCH Editor to linear.

Preferences > Advanced Color

Auto contrast, shadow, and highlight settings can be adjusted in the Advanced Color tab of the Prefer- ences dialog.

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