2.
When Rotate theta is selected, a cross cursor “+” appears on the image.
Then designate the rotation center (1/3), the rotation starting line (2/3), and
the rotation end line (3/3) in accordance with the guidance displayed on the
window.
Data of the parts of the original image lying outside the screen is deleted. Also, the
vacant parts of the current image are displayed in black (0).
Designation of the rotation angle
Rotation angle
After the “Rotate” operation
Deleted
Substituted
with black
θ
θ
2/3
3/3
3/3
1/3
6.8.3 Mirror
A mirror image of the current image is displayed.
The following three mirror functions are provided:
Mirror
Description
Mirror X
Reverse the image from left to right
Mirror Y
Turn the image upside-down
Transpose
Reverse the image from left to right
and turn it upside-down
Click on Geometry in the main menu; then select Mirror in the pull-down
menu.
Select Mirror X, Mirror Y or Transpose on the pull-down submenu. The designated
mirror image will be displayed.
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