volume rendering of frame 3dxtime scan
Infrastructure developments under the TeraVoxel project are enabling
the data-acquisition, visualization, and analysis of the complex geometry
of large, multi-dimensional data sets derived from both experiments and
numerical simulations. The very large data rates required to acquire such
data sets in the laboratory, the Terabyte-scale data volumes, and their
complexity necessitated the development of unique instrumentation,
data-acquisition and -storage, enhanced networking structures, new computer
visualization hardware and software, and multi-processor data analysis and
computation platforms. These developments were realized and funded in concert
and collaboration with other projects at Caltech. The graphic above is a recent,
preliminary result of volume rendering of scalar-field data measured using
laser-induced fluorescence techniques and represents a first view of the
three-dimensional dispersion of a passive contaminant in moderate Reynolds
number, nearly homogeneous turbulence in water. The scalar-dispersion
experiments were performed as part of a broad research effort on turbulent
mixing, under support by the Air Force Office of Scientific Research.
volume rendering of 2dxtime scan
The seen volume rendering, was done from a series of 2D scans
of a jet experiment (experiment by Jerry Shan and Paul Dimotakis).
The 2D scans, were then compiled as a volume in order to track
the movement of the jet areas
of influence, and created vortex. The volume redering was
done using a VP1000 volume
redering card, using VolView
as a front interface.
Out of the need to create batch rendering jobs under a cluster
enviroment, we developed our own interface called VoV, our volume visualizer. VoV allows for direct interaction
with a volume using
a volume rendering card (VP1000), as well as recording a sessions
settings (such as view position, colormap, light properties), to
then be used as part of a sequential parallel batch job performed
on a cluser. For more information on VoV, follow this link.
volume rendering of rayleigh-taylor simulation (ASCI)
This visualization was created using the TeraVoxel Volume Rendering Cluster, based on the VP1000 volume rendering cards. The data set is a simulation of the Rayleigh-Taylor instability, as performed on a 256 x 256 x 1024 grid, both at Lawrence Livermore National Lab and at Caltech.
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