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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.

Information Description

Color space

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

top of the in for ma tion palette. This information is embedded in the ﬁ le when the

image is saved.

R, G, B, Avg

The values for each of the red, green, and blue el e ments of the pixel under the cursor

and the average of the three, weighted according to the prop er ties of hu man color

perception (the weighted average is cal cu lat ed as (Red × 0.299) + (Green × 0.587) +

(Blue × 0.114)). Depending on the se lect ed color space, the average may not reﬂ ect

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

to bright ness. 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 ﬁ t in this range.

x-y coordinates

The position of the cursor in the image win dow, mea sured 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 pix el to monitor, click the

but ton. The cur sor will change to

. Move

the mouse over the de sired pixel and click.

The selected pixel will be add ed to the list of

watch points in the In for ma tion pal ette.

Point number

Delete but ton

x-y coordinates

Red, Green, Blue,

Av er age

Color space

Watch Point button

Settings button

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Nikon 4 Bedienungsanleitung Seite 27