An interactive PHIGS+ model rendering system applied to postprocessing of spatial mechanisms

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dc.contributor.authorMontgomery, David Ericen
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2014-03-14T21:32:12Zen
dc.date.adate2009-03-24en
dc.date.available2014-03-14T21:32:12Zen
dc.date.issued1990en
dc.date.rdate2009-03-24en
dc.date.sdate2009-03-24en
dc.description.abstractThis thesis presents the concept, development, and use of PriSM (Postprocessing of Spatial Mechanisms), an interactive 3-D graphical postprocessor for spatial mechanism synthesis and design programs. This device-independent system provides visualization, modeling, and animation of spatial mechanisms. New ideas and methods are described to simplify the interactive specification of scene rendering and color parameters using the international ISO standard for 3-D graphics, PHIGS (Programmer’s Hierarchical Interactive Graphic System), and its proposed extensions, PHIGS+. Perception and evaluation of spatial mechanism designs are significantly improved by the use of PHIGS+ functionality to produce animated models that are shaded, lighted, and depth cued. Examples are presented for the rendering and animation of spatial mechanisms on a Raster Technologies (Alliant) GX4000 workstation with a hardware-based PHIGS+ graphics subsystem, UNIX, NeWS, and C. In addition to color photographs and grayscale bitmaps of the PriSM implementation, the program structure and source code listing are fully documented.en
dc.description.degreeMaster of Scienceen
dc.format.extentviii, 250 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-03242009-040504en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-03242009-040504/en
dc.identifier.urihttp://hdl.handle.net/10919/41755en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1990.M668.pdfen
dc.relation.isformatofOCLC# 22290941en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1990.M668en
dc.subject.lcshComputer graphics -- Computer programs -- Researchen
dc.subject.lcshSpatial systems -- Researchen
dc.titleAn interactive PHIGS+ model rendering system applied to postprocessing of spatial mechanismsen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineMechanical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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