bool:sel-unite
List of: Scheme Extensions
Subjects: Booleans, Graph Theory
Contents: Selective Booleans

Action: Unites two bodies.

Filename: sbool/sbool_scm/selective_scm.cxx

APIs: api_boolean, api_selective_unite

Syntax: (bool:sel-unite blank-body tool-body


option1 option2)

Arg Types: blank-body entity

tool-body entity

option1 entity | #t

option2 entity | #t

Returns: entity

Description: This scheme extension performs a union operation between two bodies. The portions of bodies to keep is controlled by option1 and option2. The blank body is returned and the tool body is deleted.


blank-body is an input entity.


tool-body is an input entity.


option1 controls the portions of the body to be kept.


option2 controls the portions of the body to be kept.

Example: ; bool:sel-unite

; Define a couple of solids and then do a

; selective boolean.

(define c1


(solid:cylinder


(position 0 0 -1)


(position 0 0 1) 5))

;; c1

(define c2


(solid:cylinder


(position 0 0 -1)


(position 0 0 1) 4.5))

;; c2

(define subtract (bool:subtract c1 c2))

;; subtract

(define b


(solid:block


(position -6 -6 -0.25)


(position 6 1 0.25)))

;; b

(define pnt (position 0 0 0))

;; pnt

(define unite (bool:sel-unite c1 b #t pnt))

;; unite
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