Last update:
Apr 1, 2000
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DSV - A General Visualization Tool for HEP Event Data
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Duncan Prindle,
Thomas Trainor
University of Washington
Presented by:
Duncan Prindle
With the advent of CERN and RHIC heavy-ion programs the visual complexity
of event data is undergoing a qualitative increase. Single-event data can
easily contain 10$^6$ separate objects. Graphical representation of a
single collision quickly exhausts the capacity of standard visual media.
Novel strategies are needed to represent this wealth of detail in a speedy
and comprehensive manner. DSV offers a powerful new means to deal with
this imaging problem. This tcl-based general-purpose graphics tool
consists of a drawing canvas, a mapping facility relating data and
graphical objects and a tcl-based control console. DSV includes arbitrary
algebraic map definitions, flexible color control, object hiding on flag
states and cut parameters, fast manipulation of displayed objects with zoom,
pan and rotate, cut planes, independent space scaling on three orthogonal
axes and perspective or orthogonal projection. DSV is currently used by
experiments at CERN and RHIC and has been applied to MC simulations from
several popular event generators. DSV images have appeared extensively in
the news media in connection with the CERN and RHIC heavy-ion programs.
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