David C. Banks

Florida State University

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Chris Weigle

University of Tennessee at Knoxville

Kiril Vidimče

Massachusetts Institute of Technology

John T. Foley

SUNY Cortland

Ming-Hoe Kiu

Mississippi State University

Taha Mzoughi

University of Monastir

Kevin M. Beason

Rhythm (United states)

Bart A. Singer

University of North Carolina at Chapel Hill

Robert Moorhead

Mississippi State University

Kayne M. Smith

Durham University

M. Yousuff Hussaini

Florida State University

Cooperative Institutions

Mississippi State University

Florida State University

Tsinghua University

University of California, Davis

Duke University

Institute of Electrical and Electronics Engineers

Cornell University

University of Tennessee at Knoxville

Oak Ridge National Laboratory

University of North Carolina at Chapel Hill

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Calculating Intersections of Surfaces in Screen Space

David C. Banks

Abstract : When surfaces intersect, one may desire to highlight the intersection curve in order to make the shape of the penetrating surfaces more visible. Highlighting the intersection is especially helpful when the surfaces become transparent, because transparency makes the intersections less evident. This paper discusses a technique for locating intersections in screen space using only the information locally available to a pixel. The technique is designed to exploit parallelism at the pixel level and has been implemented on the Pixel- Planes 5 graphics supercomputer.

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Citations (1)

WebTOP

Kiril Vidimče John T. Foley David C. Banks Yong-Tze Chi Taha Mzoughi

The Optics Project (TOP) is a 3D interactive computer graphics system that visualizes optical phenomena. The primary motivation for creating TOP was to develop a tool to help undergraduate students learn optics. WebTOP is a Web-based version of the system that encompasses a physical simulation, an overview of the theory involved, a showcase of examples, and a set of suggested exercises. The actual simulation is implemented using VRML, Java, and the External Authoring Interface, and runs under multiple hardware/OS/browser configurations. This work is significant in that it represents, to our knowledge, the first complete 3D interactive optics system on the Web.

Interface (matter)

10.1145/330160.330237

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Citations (6)

Case study: interacting with cortical flat maps of the human brain

IEEE Visualization (2001)

Monica K. Hurdal Kevin W. Kurtz David C. Banks

The complex geometry of the human brain contains many folds and fissures, making it impossible to view the entire surface at once. Since most of the cortical activity occurs on these folds, it is desirable to be able to view the entire surface of the brain in a single view. This can be achieved using quasi-conformal flat maps of the cortical surface. Computational and visualization tools are now needed to be able to interact with these flat maps of the brain to gain information about spatial and functional relationships that might not otherwise be apparent. Such information can contribute to earlier diagnostic tools for diseases and improved treatment. Our group is developing visualization and analysis tools that will help elucidate new information about the human brain through the interaction between a cortical surface and its corresponding quasi-conformal flat map.

Human brain

10.5555/601671.601753

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Citations (5)

Retro-rendering with vector-valued light: producing local illumination from the transport equation

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE (2006)

David C. Banks Kevin M. Beason

Many rendering algorithms can be understood as numerical solvers for the light-transport equation. Local illumination is probably the most widely implemented rendering algorithm: it is simple, fast, and encoded in 3D graphics hardware. It is not, however, derived as a solution to the light-transport equation. We show that the light-transport equation can be re-interpreted to produce local illumination by using vector-valued light and matrix-valued reflectance. This result fills an important gap in the theory of rendering. Using this framework, local and global illumination result from merely changing the values of parameters in the governing equation, permitting the equation and its algorithmic implementation to remain fixed.

Global illumination

Real-time rendering

Convection–diffusion equation

10.1117/12.650855

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Citations (3)

WEBTop: interactive 3D optics simulations on the Web

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE (2000)

John T. Foley Kiril Vidimče David C. Banks Taha Mzoughi

The Objects Project (TOP) is a 3D, interactive computer graphics system that was developed at Mississippi State University to help students learn optics. TOP runs on Silicon Graphics workstations. We describe our initial progress on WebTOP, the Web version of TOP.

Workstation

10.1117/12.388735

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Citations (3)

Multi-frequency noise for LIC

IEEE Visualization (1996)

Ming-Hoe Kiu David C. Banks

We present a way to visualize a flow field using Line Integral Convolution (LIC) with a multi frequency noise texture. A broad range of feature sizes can enhance a user's perception of the magnitudes and direction of the flow. In addition, the multiple scales of feature size help a user clarify the motion of the flow in an animation.

Convolution (computer science)

Feature (linguistics)

10.5555/244979.245033

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Citations (71)

Vortex Identification and Analysis in Complex Flows

ICASE/LaRC interdisciplinary series in science and engineering (1994)

Bart A. Singer David C. Banks

Circulation (fluid dynamics)

Line (geometry)

Skeleton (computer programming)

10.1007/978-94-011-1032-7_31

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Citations (2)

Clustered Ensemble Averaging: A Technique for Visualizing Qualitative Features of Stochastic Simulations

Journal of Computational and Theoretical Nanoscience (2006)

Kayne M. Smith David C. Banks Neil Druckman Kevin L. Beason M. Yousuff Hussaini

10.1166/jctn.2006.013

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Citations (7)

Instructional software for visualizing optical phenomena

IEEE Visualization (1997)

David C. Banks John T. Foley Kiril Vidimče Ming-Hoe Kiu

We describe a multidisciplinary effort for creating interactive 3D graphical modules for visualizing optical phenomena. These modules are designed for use in an upper-level undergraduate course. The modules are developed in Open Inventor, which allows them to run under both Unix and Windows. The work is significant in that it applies contemporary interactive 3D visualization techniques to instructional courseware, which represents a considerable advance compared to the current state of the practice.

Interactive Visualization

10.5555/266989.267118

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Citations (2)

WebTOP

Brian Thomas Jeremy E. Davis Grant D. Patten Paul A. Cleveland Peter Gilbert

The Optics Project on the Web (WebTOP) is a 3D, interactive computer graphics system that visualizes optical phenomena. Its purpose is to help instructors teach and students learn about waves and optics. Originally, WebTOP was implemented using VRML, Java, and the External Authoring Interface, and required the use of the Microsoft Virtual Machine. This paper provides an introduction to a new version of WebTOP that uses X3D, Java, the Scene Access Interface, and the Sun Virtual Machine. The interface, modules, and implementation of this version are discussed.

Interface (matter)

X3D

10.1145/1394209.1394219

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Citations (8)