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Last update: Apr 1, 2000

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A187

DSV - A General Visualization Tool for HEP Event Data

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.

Short Paper:  Adobe Acrobat pdf 



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