Getting to Know Nikon Capture 4 Editor

The Information Palette

The information palette shows the position and color of the pixel under the mouse pointer. To display or hide the Information palette, click the triangle in the Information palette title bar ( 29). By default, the Information palette is in Tool Palette 3.

Settings button

Color space

x-y coordinates

Watch Point button

Red, Green, Blue, Average

Information

Description

 

The working color space for the image in the active image window is displayed at the

Color space

top of the information palette. This information is embedded in the file when the

 

image is saved.

 

The values for each of the red, green, and blue elements of the pixel under the cursor

 

and the average of the three, weighted according to the properties of human color

 

perception (the weighted average is calculated as (Red 0.299) + (Green 0.587) +

R, G, B, Avg

(Blue 0.114)). Depending on the selected color space, the average may not reflect

 

the actual luminance of the pixel under the cursor, but it can be used as a rough guide

 

to brightness. Values for R, G, B, and the average of the three range from 0 to 255,

 

with values for sixteen- and twelve-bit images being scaled to fit in this range.

x-y coordinates

The position of the cursor in the image window, measured in pixels from the top left

corner of the image.

Monitoring Watch Points

The Information palette can be used to continually monitor the red, green, blue, and average values (R, G, B, Avg) for up to four selected pixels (“watch points”). The size of the watch points can be set using the Dropper sample size option in the Advanced Color tab of the Preferences dialog ( 102), which can be displayed by clicking the Settings button in the Information palette and selecting Advanced Color Preferences….

Selecting Watch Points

To select a pixel to monitor, click the button. The cursor will change to . Move the mouse over the desired pixel and click. The selected pixel will be added to the list of

watch points in the Information palette.

 

 

Point number

 

 

 

 

 

 

 

 

Delete button

 

 

 

 

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Nikon 4 user manual Information Palette, Monitoring Watch Points, Selecting Watch Points, Information Description