
5-16
Operation Manual
Circumference and Area Measurement
Ellipse
This is a basic measurement that is available in all diagnosis modes. You can measure the circumference and
area of a circular (elliptical) object in a 2D image.
1.
Select the
Soft Menu
[2]
Ellipse. “Ellipse” is displayed in the user information area.
2.
Use the
Trackball
and the
Set
button on the control panel to specify the diameter (axis) of the
measurement area.
X Place the cursor at a desired position with the
Trackball
, and press the
Set
button.
Tips!
Repositioning Point
Pressing the Change button before pressing the Set button to complete positioning resets the
position of a point just set.
3.
Specify the size of the circle (ellipse).
X Adjust the size using the
Trackball
, and press the
Set
button.
4.
When the measurement is nished, its result is shown on the screen.
The equations used for ellipse measurement are as follows:
(A: Long axis, B: Short axis)
Area
(a, b: Axis)
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