Physics
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsh31a0699h&link_type=abstract
American Geophysical Union, Fall Meeting 2001, abstract #SH31A-0699
Physics
7599 General Or Miscellaneous, 7894 Instruments And Techniques, 7899 General Or Miscellaneous
Scientific paper
We demonstrate some of the techniques we currently use for the visualization of heliospheric volume data. Our 3D volume data usually are derived from tomographic reconstructions of the solar wind density and velocity from remote sensing observations (e.g., Thomson scattering and interplanetary scintillation observations). We show examples of hardware-based volume rendering using the Volume Pro PCI board (from TeraRecon, Inc.). This board updates the display at a rate of up to 30 frames per second using a parallel projection algorithm, allowing the manipulation of volume data in real-time. In addition, the manipulation of 4D volume data (the 4th dimension usually representing time) enables the visualization in real-time of an evolving (time-dependent) data set. We also show examples of perspective projections using IDL. This work was supported through NASA grant NAG5-9423.
Bailey Janelle Margaret
Buffington Andrew
Hick Pierre P.
Jackson Bernard V.
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