Techniques for interactive three dimensional design

Authors:
J. A. Brewer;D. C. Anderson
Affiliations:
Purdue University;Purdue University
Venue:
UODIGS '76 Proceedings of the ACM/SIGGRAPH Workshop on User-oriented Design of Interactive Graphics Systems
Year:
1976

Citing 2
Cited 1

Designing surfaces in 3-D

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Visual interaction with overhauser curves and surfaces

SIGGRAPH '77 Proceedings of the 4th annual conference on Computer graphics and interactive techniques

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Abstract

An experimental graphics system for three dimensional design is described. Emphasis is placed on 3D interaction techniques used in the design of the system, together with the overall user-interface. The techniques used involved two-dimensional input devices and displays only. A 3D cursor is used to manipulate objects consisting of lines and geometric representations, appropriate for free-form design. The associative transformation structure combines with high level data generation directives to provide a flexible and powerful design environment. The system operates in a dual-minicomputer configuration involving a dynamic, on-line software package distributed between an IMLAC PDS-1 and a DEC PDP 11/40.