Geometric Functions Reference (AutoLISP)

The following table provides summary descriptions of the AutoLISP geometric functions.

Geometric functions
Function	Description
(angle pt1 pt2)	Returns an angle in radians of a line defined by two endpoints
(distance pt1 pt2)	Returns the 3D distance between two points
(inters pt1 pt2 pt3 pt4 [onseg])	Finds the intersection of two lines
(osnap pt mode)	Returns a 3D point that is the result of applying an Object Snap mode to a specified point
(polar pt ang dist)	Returns the UCS 3D point at a specified angle and distance from a point
(textbox elist)	Measures a specified text object, and returns the diagonal coordinates of a box that encloses the text