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News & Announcements
  • Ultravis Institute researchers along with combustion simulation scientists at the Sandia National Laboratory has successfully demonstrated in situ visualization at the petascale using up to 6480 processors of the Cray XT5 at NCCS/ORNL.
  • John Owens is Program Chair of "High Performance Graphics", August 2009.
  • Kwan-Liu Ma is Paper Chair of IEEE Visualization 2009 Conference.
  • John Owens is giving the keynote talk, "GPU Computing: Heterogeneous Computing for Future Systems", International Heterogeneity in Computing Workshop, Rome, May 18th.
  • PacificVis 2009 was held April 20-23 in Beijing, China. Members of the Ultravis Institute are playing leading roles in this conference.
  • Professor Kwan-Liu Ma spoke on "Space for Visualization" at the Neyman seminar of UC Berkeley on April 8th.
  • John Owens received the UC Davis Department of Electrical and Computer Engineering's Graduate Student Association Award for Graduate Teaching and Mentorship, April 2009.
  • Professor Maneesh Agrawala spoke at UC Davis on Visual Design Principles on November 13


 
Visualization Billboard
Turbulent Combustion Simulation  
   
 
Research Highlights
Seeding streamlines in 3D flow fields without considering their projections in screen space can produce visually cluttered rendering results. Streamlines will overlap or intersect with each other in the output image, which makes it difficult for the user to perceive the underlying flow structure. In this work, we developed a system to control the seeding and generation of streamlines in image space to avoid visual cluttering and allow a more flexible exploration of flow fields. With our image space approach, the density and rendering styles of streamlines can be flexibly controlled based on various criteria to improve visual clarity. It is straightforward to implement the level of detail rendering, depth peeling, and stylized rendering of streamlines to allow for more effective visualization of 3D flow fields. This work is being selected by the IEEE Visualization 2006 conference as the Best Poster award and has been accepted by IEEE Transactions on Visualization and Computer Graphics... Read more

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