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vertical and allow the Straighten Tool
to automatically straighten your image.
The Straighten Tool is not accessible
while working within the Browser.
Once the Straighten dialog appears,
you can identify a reference line in the
image by tracing a horizontal line or a
vertical line in the image, or you can
enter a numerical rotation amount,
which will straighten the image by
degrees. To trace a horizontal or a
vertical line, simply click anywhere on
your image and drag as long as the
Straighten dialog remains visible. You
will be provided with one anchor at
the point at which you begin to trace
the line and a second where you finish
tracing the line. You can further refine
the rotation amount by clicking on
either anchor point to re-adjust the
trace. Alternatively, if you know how
many degrees to rotate, simply enter
those numbers into the Straighten
dialog. Positive numbers will rotate
the image clockwise, while negative
numbers will cause the image to rotate
counter-clockwise.
Within the Straighten dialog, you can
select whether or not to display the full
image data. By default, Capture NX
will automatically crop the image using
the same aspect ratio to hide all areas
of the image where there is no image
information. These areas that lack image
information are created when the image
is rotated, and are represented by pure
white pixels. Check this box in order to
show all areas without image data.
Straightening an image will cause a step
to be added to the Edit List, enabling
you to remove or alter the straighten
effect at any point in the future. If you
save the file as an NEF file, you can
remove or alter the straighten effect
at any point, even after the image has
been saved and closed.
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