Motion
Scope
â
PCI High Speed Video System
3.10.3 Calibrating the Reticle Feature
When you calibrate
the reticle feature, you
can measure physical
distances on the
monitor. If you set
another data point on
the frame, the system
shows the distance
between the two
points in the units
selected in the
Calibration dialog box.
1. Measure
the
distance between
two points on the
subject. In this
case we know the
length of the
racquet.
2. Click
on
Reticle/Calibrate.
This shows the
Calibrate Reticle
dialog box.
Figure 3-20 The Calibrate Reticle Dialog Box.
3. Select the unit of measurement, inches, feet, yards, millimeters, centimeters, decimeters, or
meters in the dialog box, see Figure 3-20.
4. Enter the distance measured on the subject in the Distance field and click on OK.
5. Click on the Reticle button or the mouse right button while pointing in a window to bring up the
Reticle dialog box:
6. The system calculates the distance between markers. Once the system is calibrated, it can
measure all distances.
7. If you go to another frame and
place a set point on that frame, the
system can calculate the time and
distance between the data points
and show the velocity on the
Velocity button. See Figure 3-21.
Note:
To calibrate the
distance accurately,
you must set the
camera level and
perpendicular to the
plane of motion.
Figure 3-21 Entering a Data Point in a Later Frame.
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9400-0010 Rev. S
3-11
OPERATOR'S INSTRUCTIONS
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