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[Angle measurement]
This function measures and displays the angle determined by three arbitrary points
in an image.
Touching three points in the image automatically calculates an angle (acute angle)
regarding the second point as the center and displays the resultant angle in the
image.
Touching the screen again changes the position of the active caliper (blue) and the
angle is re-calculated.
The following tools are available.
SW-C button : Switches the active caliper (blue).
Cursor button : Moves the active caliper (blue).
"Line" button : Shows/hides the line between the caliper marks.
"Clear" button : Deletes the measurement result.
[Area measurement]
This function measures a target area and displays the result. The target area can
be defined freehand in the screen. The gradation value range can also be specified.
Measurement is not performed if the specified area does not form a closed shape.
The following tools are available.
Gray level setting
Calculate button
Clear button
: Set the range of gradation.
: Re-calculates the area.
: Deletes the measurement result.
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