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Title: Producing EGS4 shower displays with the Unified Graphics System

The EGS4 Code System has been coupled with the SLAC Unified Graphics System in such a manner as to provide a means for displaying showers on UGS77-supported devices. This is most easily accomplished by attaching an auxiliary subprogram package (SHOWGRAF) to existing EGS4 User Codes and making use of a graphics display or a post-processor code called EGS4PL. SHOWGRAF may be used to create shower displays directly on interactive IBM 5080 color display devices, supporting three-dimensional rotations, translations, and zoom features, and providing illustration of particle types and energies by color and/or intensity. Alternatively, SHOWGRAF may be used to record a two-dimensional projection of the shower in a device-independent graphics file. The EGS4PL post-processor may then be used to convert this file into device-dependent graphics code for any UGS77-supported device. Options exist within EGS4PL that allow for two-dimensional translations and zoom, for creating line structure to indicate particle types and energies, and for optional display of particles by type. All of this is facilitated by means of the command processor EGS4PL EXEC together with new options (5080 and PDEV) with the standard EGS4IN EXEC routine for running EGS4 interactively under VM/SP. 6 refs.
Authors:
 [1] ;  [2]
  1. (Massachusetts Inst. of Tech., Cambridge, MA (USA). Lab. for Nuclear Science)
  2. (Stanford Linear Accelerator Center, Menlo Park, CA (USA))
Publication Date:
OSTI Identifier:
6648174
Report Number(s):
SLAC-TN-87-3-Rev.
ON: DE90017027; TRN: 90-028901
DOE Contract Number:
AC03-76SF00515
Resource Type:
Technical Report
Research Org:
Stanford Linear Accelerator Center, Menlo Park, CA (USA)
Sponsoring Org:
DOE/ER
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; S CODES; SHOWER COUNTERS; COMPUTER GRAPHICS; COMPUTER-GRAPHICS DEVICES; E CODES; COMPUTER CODES; COMPUTER OUTPUT DEVICES; MEASURING INSTRUMENTS; RADIATION DETECTORS 440104* -- Radiation Instrumentation-- High Energy Physics Instrumentation; 990200 -- Mathematics & Computers