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Chapter 5 Measurements And Calculations
2. Specify two points and measure the straight distance between them. The method for measuring a
line is the same as in “2D Distance (Line).”
3. When the measurement is nished, its result is shown on the screen. The volume of the object
along with the length of the straight line are calculated.
The equations used for 1 Distance measurement are as follows:
, (D: distance)
Distance + Ellipse
This is a basic measurement that is available in all diagnosis modes. You can measure the volume of an
object in a 2D image by using one straight line and one circle (ellipse).
You can measure up to 2 sets of volumes. When measuring more than one set, use measurement
cursors with dierent shapes to dierentiate them.
1. Use the Softmenu switch [3] Volume to select 3D Volume: Distance + Ellipse. “3D Volume: Distance
+ Ellipse” is displayed on the left side of the screen.
2. Specify two points and measure the straight distance between them. The method for measuring a
line is the same as in “2D Distance (Line).”
3. Specify the size of the circle (ellipse). The method for measuring a circle (ellipse) is the same as in
“2D Ellipse.”
4. When the measurement is nished, its result is shown on the screen.
X
D.: Length of Straight Line
X
A: Length of A-axis in Ellipse
X
B: Length of B-axis in Ellipse
X
V: Volume of Circle (Ellipse)
The equations used for Distance + Ellipse measurement are as follows:
,
NOTE: Since Dual Mode simultaneously displays two images on the screen, you don’t have to
return to the diagnosis mode to measure volume in Dual Mode.
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