transform?
List of: Scheme Extensions
Subjects: Modifying Models, Transforms
Contents: Kernel

Action: Determines if a Scheme object is a transform.

Filename: kern/kern_scm/tran_scm.cxx

Syntax: (transform? object)

Arg Types: object scheme-object

Returns: boolean


object specifies the scheme-object that has to be queried for a transform.

Example: ; transform?

; Create a transform.

(define transform1


(transform:translation


(gvector 1 0 0)))

;; transform1

; Determine if the transform and its identity

; are actually transforms.

(transform? transform1)

;; #t

(transform? (transform:identity))

;; #t
PDF/KERN/15SCR.PDF
HTM/DATA/KERN/KERN/15SCR/0047.HTM