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## 3.4. angle command

Description: This tool allows the user to calculate the angle (in degrees) between two given vectors. Vectors are specified by an initial point and an end point.

Inline mode usage:

• angle -h: Displays the help file that summarizes the parameters for this command.
• angle <x1 y1 z1> <x2 y2 z2> <x3 y3 z3> <x4 y4 z4>: Calculates the angle between the vectors.<x1 y1 z1> and <x2 y2 z2> refer to the initial and final Cartesian coordinates of first vector and <x3 y3 z3> and <x4 y4 z4> refer to the initial and final Cartesian coordinates of second vector, respectively.

Interactive mode usage:

• Invocation: angle
• Parameters:
• Initial coordinate for the first vector: x1 y1 z1.
• Final coordinate for the first vector: x2 y2 z2.
• Initial coordinate for the second vector: x3 y3 z3.
• Final coordinate for the second vector: x4 y4 z4.

All coordinates are specified by writing each of theirthree spatial components separated by a blank space.

Example:

>angle

Select first point for first vector [x y z]: 0 0 0

Select second point for first vector [x y z]: 3 0 0

Select first point for second vector [x y z]: 0 0 0

Select second point for second vector [x y z]: 0 2 0

The angle between given points is: 90.0

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