arc:center
List of: Scheme Extensions
Subjects: Construction Geometry
Contents: Kernel

Action: Gets the center position of a circular curve or edge of an elliptical curve or edge.

Filename: kern/kern_scm/crv_scm.cxx

Syntax: (arc:center arc)

Arg Types: arc elliptical-curve | elliptical-edge

Returns: position

Description: Circular curves and edges are subsets of elliptical curves and edges.


arc specifies an elliptical-curve or an elliptical-edge.

Example: ; arc:center

; Create a circular edge.

(define arc1


(edge:circular


(position 15 25 0) 25 0 185))

;; arc1

; Get the center of the edge.

(arc:center arc1)

;; #[position 15 25 0]
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