[ieee 2014 ieee virtual reality (vr) - minneapolis, mn, usa (2014.03.29-2014.04.2)] 2014 ieee...

Particle Dreams in Spherical Harmonics Dan Sandin * Robert Kooima 1 Laurie Spiegel Tom DeFanti 2 University of Illinois at Chicago Louisiana State University Corbin Hill Road Farm Univ. of California, San Diego ABSTRACT In this virtual-reality art installation – a mathematical play space – the viewer-participant creates an immersive visual and sonic experience. It is based on the mathematical and physical simulation of over one million particles with momentum and elastic reflection in an environment with gravity. The final scene has a realistic rendering of water with reflections and lighting based on spherical harmonics. Sound components are triggered and modified by the user and particle interaction. The application was originally developed using a CUDA particle system running within Thumb, a virtual-reality framework developed by Robert Kooima. It is now being ported to CalVR, developed by researchers at the California Institute for Telecommunications and Information Technology (Calit2) Qualcomm Institute at University of California, San Diego. REFERENCES [1] Sandin, D., “Particle Dreams in Spherical Harmonics” (video), YouTube, February 13, 2011, http://youtu.be/NDYNZ1Yk_Kk [2] Kooima, R., J. Leigh, A. Johnson, D. Roberts, M. SubbaRao, T.A DeFanti, “Planetary-Scale Terrain Composition,” IEEE Transactions on Visualization and Computer Graphics, vol. 15, no. 5, pp. 719-733, Sept.-Oct. 2009, DOI:10.1109/TVCG.2009.43 [3] DeFanti, T., J. Schulze, CalVR, http://ivl.calit2.net/wiki/index.php/CalVR#What_is_CalVR.3F ACKNOWLEDGMENTS Special thanks to Andrew Prudhomme and Uthman Shabazz. This work premiered in January 2011 in the StarCAVE at the Calit2 Qualcomm Institute at University of California, San Diego, and is now being ported to CalVR. It also runs in the CAVE2 Hybrid Reality Environment at the University of Illinois at Chicago’s Electronic Visualization Laboratory (EVL). CAVE2 is a trademark of the University of Illinois Board of Trustees. Figure 1: Dan Sandin immersed in Particle Dreams in Spherical Harmonics in the EVL CAVE2. * [email protected] 1 [email protected] 2 [email protected] 155 IEEE Virtual Reality 2014 29 March - 2 April, Minneapolis, Minnesota, USA 978-1-4799-2871-2/14/$31.00 ©2014 IEEE

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Page 1: [IEEE 2014 IEEE Virtual Reality (VR) - Minneapolis, MN, USA (2014.03.29-2014.04.2)] 2014 IEEE Virtual Reality (VR) - Particle dreams in spherical harmonics

Particle Dreams in Spherical Harmonics

Dan Sandin * Robert Kooima 1 Laurie Spiegel Tom DeFanti 2 University of Illinois at Chicago Louisiana State University Corbin Hill Road Farm Univ. of California, San Diego

ABSTRACT In this virtual-reality art installation – a mathematical play

space – the viewer-participant creates an immersive visual and sonic experience. It is based on the mathematical and physical simulation of over one million particles with momentum and elastic reflection in an environment with gravity. The final scene has a realistic rendering of water with reflections and lighting based on spherical harmonics. Sound components are triggered and modified by the user and particle interaction. The application was originally developed using a CUDA particle system running within Thumb, a virtual-reality framework developed by Robert Kooima. It is now being ported to CalVR, developed by researchers at the California Institute for Telecommunications and Information Technology (Calit2) Qualcomm Institute at University of California, San Diego.

REFERENCES

[1] Sandin, D., “Particle Dreams in Spherical Harmonics” (video), YouTube, February 13, 2011, http://youtu.be/NDYNZ1Yk_Kk

[2] Kooima, R., J. Leigh, A. Johnson, D. Roberts, M. SubbaRao, T.A DeFanti, “Planetary-Scale Terrain Composition,” IEEE Transactions on Visualization and Computer Graphics, vol. 15, no. 5, pp. 719-733, Sept.-Oct. 2009, DOI:10.1109/TVCG.2009.43

[3] DeFanti, T., J. Schulze, CalVR, http://ivl.calit2.net/wiki/index.php/CalVR#What_is_CalVR.3F

ACKNOWLEDGMENTS Special thanks to Andrew Prudhomme and Uthman Shabazz.

This work premiered in January 2011 in the StarCAVE at the Calit2 Qualcomm Institute at University of California, San Diego, and is now being ported to CalVR. It also runs in the CAVE2 Hybrid Reality Environment at the University of Illinois at Chicago’s Electronic Visualization Laboratory (EVL). CAVE2 is a trademark of the University of Illinois Board of Trustees.

Figure 1: Dan Sandin immersed in Particle Dreams in Spherical Harmonics in the EVL CAVE2.

* [email protected] 1 [email protected] 2 [email protected]

155

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