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Operation Manual
Circumference and Area Measurement
Ellipse
This is a basic measurement that is available in all diagnosis modes. Measure the circumference and
area of circle (ellipse)-shaped objects on a 2D image.
1. Click Ellipse on the monitor or tap Ellipse on the touch screen.
2. Use the trackball and the Set button on the control panel to specify the diameter (axis) of the
measurement area.
X
Use the trackball to place the cursor at the desired position and then press the Set button.
Tips!
Repositioning Point
Instead of pressing the Set button to confirm the point position, you can press the Change button
to change it.
3. Specify the size of the circle (ellipse).
X
Adjust the size using the trackball, and then press the Set button.
4. When the measurement is nished, its result is shown on the screen.
The following equation is used for Ellipse measurement:
, (a: Half Long axis, b: Half Short axis)
Area =
, (a, b: Axis)
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