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The command EYE ANGLE allows the user to specify the angle of sight to the model. A pair of angles is given, the first specifying the angle in degrees between the direction of sight and the screen Z-axis; and the second specifying the angle in degrees between the projection on the X-Y plane of the line of sight, and the negative Y-axis. If the second angle is not given it is set to 0.
Examples:
A line of sight is defined having an angle of 30 degrees to the screen Z-axis; and an angle of 60 degrees between its projection on the X-Y plane and the negative Y-axis.