Attachment of lines to objects in interactive draw graphics

Details Attachment of lines to objects in interactive draw graphics Attachment of lines to objects in interactive draw graphics

1985-06-25

1987-05-05

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340747, G09G 302

Patent

active

046636161

ABSTRACT:
A technique is provided the user of an interactive computer graphics application which allows the user to attach lines to objects such that when the objects move, the lines will rubber-band to follow the object. The objects are provided with an attribute that describes their "stickiness". If an object is given the "sticky" attribute, then lines which touch or overlay the object will rubber-band to follow the object's movement. It is also possible to provide end points of lines with the "sticky" attribute so that the end points of lines can be attached to objects. Further, objects of arbitrary geometric shape can be attached to other objects of arbitrary geometric shape using the "sticky" attribute. The feature facilitates editing and revision of graphic files.

REFERENCES:
patent: Re31200 (1983-04-01), Sukonick et al.
patent: 3846826 (1974-11-01), Mueller
patent: 3882446 (1975-05-01), Brittian et al.
patent: 4392130 (1983-07-01), Lundstrom et al.
patent: 4451895 (1984-05-01), Sliwkowski
The Lisa Computer System, Gregg Williams, Byte Publications, Inc., Feb. 1983, pp. 33-50.

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