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Dive into the research topics where Christopher Richard Volpe is active.

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Featured researches published by Christopher Richard Volpe.


ieee visualization | 1991

The stream polygon-a technique for 3D vector field visualization

William J. Schroeder; Christopher Richard Volpe; William E. Lorensen

A method is presented for the visualization of 3D vector fields. The stream polygon, which is a regular, n-sided polygon, oriented normal to the local vector, can present local deformations due to rigid body rotation and both normal and shear strain. The effect of translation and scalar functions can be represented by sweeping the stream polygon along the streamline, and by appropriately varying the radius and shading the surface of the resulting streamtube. A mathematical foundation for the stream is developed, and examples with application to velocity field visualization are provided.<<ETX>>


ieee visualization | 1992

VISAGE: an object-oriented scientific visualization system

William J. Schroeder; William E. Lorensen; G. D. Montanaro; Christopher Richard Volpe

VISAGE, a scientific visualization system implemented in an object-oriented, message passing environment, is described. The system includes over 500 classes ranging from visualization and graphics to Xlib and Motif user interface. Objects are created using compiled C and interact through an interpreted scripting language. The result is a flexible yet efficient system that has found wide application. The object architecture, the major issues faced when designing the visualization classes, and sample applications are also described.<<ETX>>


human factors in computing systems | 2002

An automated approach and virtual environment for generating maintenance instructions

Russell Scott Blue; Jeff Wampler; G. Bowden Wise; Louis J. Hoebel; Boris Yamrom; Christopher Richard Volpe; Bruce Wilde; Pascale Rondot; Ann Elizabeth Kelly; Anne Gilman; Wesley David Turner; Steve Linthicum; George Ryon

Maintenance of complex machinery such as aircraft engines requires reliable and accurate documentation, including illustrated parts catalogs (IPCs), exploded views, and technical manuals describing how to remove, inspect, repair and install parts. For new designs, there are often time constraints for getting a new engine to the field, and the available documentation must go with it. Authoring technical manuals is a complex process involving technical writers, engineers, as well as domain experts (mechanics and designers). Often, several revisions are required before a manual has correct IPC figures and maintenance instructions. Compounding this problem is that technical writers often perform tasks better suited for computers, leading to increased costs and error.In this demonstration, we describe a new framework to generate maintenance instructions from solid models (Computer Aided Design/CAD data) and then validate these instructions in a haptics-enabled virtual environment. Our approach utilizes natural language processing techniques to generate a presentation-independent logical form, which can be transformed for display within the virtual environment. During the development of the system, task analyses, human models, usability studies, and domain experts were used to gain insights. The end result is a more integrated and human-centered process for developing technical manuals, providing higher quality documents with less cost.


ieee visualization | 1997

Auralization of streamline vorticity in computational fluid dynamics data

Christopher Richard Volpe; Ephraim P. Glinert

Presents a new method for auralization of the vorticity of a streamline in a vector field. This technique involves using a composite tone formed by superimposing sine waves of various amplitudes whose frequency and amplitude vary in such a way as to give the perception that the resulting sound increases or decreases endlessly in pitch without ever extending beyond the listeners range of audible frequencies. Continuous clockwise or counterclockwise rotations of a streamline resulting from vorticity can then be displayed aurally as an apparently continuous increase or decrease in pitch.


Archive | 2001

Method and system for automated maintenance and training instruction generation and validation

Steven Eric Linthicum; Russell Scott Blue; Christopher Richard Volpe; Craig Arthur Silber; Boris Yamrom; Louis J. Hoebel; Tomek Strzalkowski


Archive | 2000

System and method for providing interactive haptic collision detection

Steven Eric Lithicum; Russell Scott Blue; Christopher Richard Volpe; Ricardo Scott Avila; James V. Miller


Archive | 1992

Method for graphical display of three-dimensional vector fields

William J. Schroeder; Christopher Richard Volpe


Archive | 2002

Algorithms for aural representation and presentation of quantitative data to complement and enhance data visualization

Ephraim P. Glinert; Christopher Richard Volpe


Archive | 1999

Method and apparatus for generating cable occupancy volumes

Jonathan Earl Davis; Russell Scott Blue; Steven Eric Linthicum; William E. Lorensen; Christopher Richard Volpe


Archive | 1992

VISAGE: An Object-Oriented Visualization System

William J. Schroeder; William E. Lorensen; G. D. Montanaro; Christopher Richard Volpe

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Ephraim P. Glinert

Rensselaer Polytechnic Institute

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