The user clicks on three points in the video image, in the following order: first on the end

point of the 1st arm then on the intersection point and finally on the end point of the 2nd

arm.After clicking on the last point the angle is drawn and theresult appears in the status

bar.

After having clicked on the right mouse button the result

appears in the image and is entered into the table.

This command allows to measure the angle between two non-connected lines. The user

has to click on four points in the video image, in the following order:

First two points on the left arm, afterwards two points on the right arm

The apex of the angle is at the intersection point of the imaginary extension of the two

straights, beyond the second and third points clicked on. After clicking on thelast point