Interactive Visualization of Solar Mass Ejection Imager (SMEI) Volumetric Data

Details Interactive Visualization of Solar Mass Ejection Imager (SMEI) Volumetric Data Interactive Visualization of Solar Mass Ejection Imager (SMEI) Volumetric Data

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.1005w&link_type=abstract

American Astronomical Society Meeting 205, #10.05; Bulletin of the American Astronomical Society, Vol. 36, p.1350

Astronomy and Astrophysics

Astronomy

Scientific paper

We present a volume rendering system developed for the real time visualization and manipulation of 3D heliospheric volumetric solar wind density and velocity data obtained from the Solar Mass Ejection Imager (SMEI) and interplanetary scintillation (IPS) velocities over the same time period. Our system exploits the capabilities of the VolumePro 1000 board from TeraRecon, Inc., a low-cost 64-bit PCI board capable of rendering up to a 512-cubed array of volume data in real time at up to 30 frames per second on a standard PC. Many volume-rendering operations have been implemented with this system such as stereo/perspective views, animations of time-sequences, and determination of CME volumes and masses. In these visualizations we highlight two time periods where halo CMEs were observed by SMEI to engulf Earth, on May 30, 2003 and on October 29, 2003. We demonstrate how this system is used to measure the distribution of structure and provide 3D mass for individual CME features, including the ejecta associated with the large prominence viewed moving to the south of Earth following the late October CME.

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