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Obtain a Radius
The rad function determines the radius of a selected object.
rad Determines the radius of a selected object. The object can be a circle, an
arc, or a 2D polyline arc segment.
The following example uses rad with the CIRCLE (page 196) command. The
radius of the new circle is two-thirds of the radius of the selected polyline arc
segment:
Command: circle
Specify center point for circle or [3P/2P/Ttr (tangent tangent radius)]: cen
of Select the circle
Specify radius of circle or [Diameter] <last>: 'cal
>> Expression: 2/3*rad
>> Select circle, arc or polyline segment for RAD function: Select the circle
See also:
Use the Command Prompt Calculator
Obtain an Angle
The ang function determines the angle between two lines. Angles are measured
counterclockwise with respect to either the X axis, in the two-dimensional
case, or to a user-specified axis, in the three-dimensional case.
ang(v) Determines the angle between the X axis and vector v. The vector v is
considered 2D, projected on the XY plane of the current UCS.
ang(p1,p2) Determines the angle between the X axis and the line (p1,p2),
oriented from p1 to p2. The points are considered 2D, projected on the XY
plane of the current UCS.
ang(apex,p1,p2) Determines the angle between lines (apex,p1) and (apex,p2).
The points are considered 2D, projected on the XY plane of the current UCS.
182 | Chapter 2 Commands