Unions work to select objects and points and join them together.
unionA - a function that appears at the beginning or the middle of a line of AutoCAD code which takes in two points as inputs. These points serve to select separate objects in AutoCAD and then joins the selected objects together to form a single object.
unionA(p1,p2) :=
unionB - a function that appears at the beginning or middle of a line of AutoCAD code which takes in four points as inputs. These points serve to select separate objects in AutoCAD and then joins the selected objects together to form a single object.
unionB(p1,p2,p3,p4) :=
unionC - a function that appears at the end of a line AutoCAD code which takes in two points as inputs. These points serve to select two separate objects in AutoCAD and then joins the selected objects together to form a single object.
unionC(p1,p2) :=
unionall - a function that appears at the beginning or middle of a line of AutoCAD code which selects all of the objects on a page and joins them together to form a single object.
unionall :=
unionallA - a function that appears at the end of a line of AutoCAD code which selects all of the objects on a page and joins them together to form a single object.
unionallA :=