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Visualization Program Development Using Java

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Visualization Program Development Using Java JAERI-Data/Code 2002-003 Japan Atomic Energy Research Institute - (x 319-1195 ^J^*g|55lfi5*-/SWB*J|f^^W^3fFti)) T?1fi^C «k This report is issued irregularly. Inquiries about availability of the reports should be addressed to Research Information Division, Department of Intellectual Resources, Japan Atomic Energy Research Institute, Tokai-mura, Naka-gun, Ibaraki-ken T 319-1195, Japan. © Japan Atomic Energy Research Institute, 2002 JAERI- Data/Code 2002-003 Java \Z w-mm n ( 2002 %. 1 ^ 31 B Java *ffitt, -f >*- —tf—T -7x-x (GUI) •fi3.t>*> Java ff , Java #t : T619-0215 ^^^ 8-1 JAERI-Data/Code 2002-003 Visualization Program Development Using Java Akira SASAKI, Keiko SUTO and Hisashi YOKOTA* Advanced Photon Research Center Kansai Research Establishment Japan Atomic Energy Research Institute Kizu-cho, Souraku-gun, Kyoto-fu ( Received January 31, 2002 ) Method of visualization programs using Java for the PC with the graphical user interface (GUI) is discussed, and applied to the visualization and analysis of ID and 2D data from experiments and numerical simulations. Based on an investigation of programming techniques such as drawing graphics and event driven program, example codes are provided in which GUI is implemented using the Abstract Window Toolkit (AWT). The marked advantage of Java comes from the inclusion of library routines for graphics and networking as its language specification, which enables ordinary scientific programmers to make interactive visualization a part of their simulation codes. Moreover, the Java programs are machine independent at the source level. Object oriented programming (OOP) methods used in Java programming will be useful for developing large scientific codes which includes number of modules with better maintenance ability. Keywords: Java, Visualization, Object Oriented Programming, High Performance Computing •Research Organization for Information Science & Technology JAERI-Data/Code 2002-003 1. \ZCtblz l 2. »1MimffitLX(DJavamm 2 3. Java IZk&nJMik-fu if? l±(Dmi& 4 3. i *~7P^>7bmfii-7°n>fy^>ynm 4 3. 2 JavaBi§tCck5^>higI)!i:/a^A 10 3. 3 Abstract Window Toolkit (AWT) (Dffifa 14 4. 2&7LmMm*7°W7A<Dn$m 19 5. l&K>?yy%i*-7u>f;7A<D^$im 2 6 6. £<h& 5 3 5 4 5 4 Contents 1. Introduction 1 2. Java Language for Visualization 2 3. Designing Program Using Java 4 3. 1 Introduction to the Object Oriented Programming 4 3. 2 Event Driven Programming Using Java 10 3. 3 The Abstract Window Toolkit (AWT) 14 4. Application to a Program for Displaying 2D Image Data 19 5. Application to a Program for Displaying ID Hydrodynamics Data--- 2 6 6. Summary 5 3 Acknowledgment 5 4 References 5 4 JAERI-Data/Code 2002-003 1 . 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