1. JAS and JACO – Status Report Atlas Graphics Group August 2000 Tony Johnson

2. Java Analysis Studio New Release 2.2.1 Also new “Open Source” like versioning system All releases now tagged in CVS (e.g. v2_2_1) – Lots of Bug Fixes – New Features Easy to compare different datasets, or different analysis algorithms, by renaming histograms from GUI New Plot and Page objects for programmatically overlaying histograms and laying out plots on a page Better support for saving histograms in.javahist files Improved Jet Finders, Diagnostic Event Generator Built-In help + tutorial Built-in plugin install/upgrade utility.

3. New Plug-ins available soon Bean Shell Plug-in 1.0 – Initially Histogram creation/filling/display Plot and Page creation – Future Fitting, analysis Root DIM – Initially Access to root histograms from JAS – Future Analysis of arbitrary root datasets

4. BeanShell demo

5. For JAS 2.3/2.4 Will be based on FreeHEP library – Save plots as.eps,.svg Fit object for programmatic fitting New N-tuple plugin – for N-tuple manipulation 3D Lego plot integration (from Fermilab) Support for reading/writing AIDAML files – Will allow transfer of histograms – JAS Lizard ???

6. Java and C++ Interaction AIDA interface – Creating JAS histograms from C++ JASG4 – Geant4 – JAS interaction via AIDA JACO – Java Access to C++ Objects – Automatic generation of Java proxies for C++ objects.

7. AIDA – Abstract Interface for Data Analysis Java Program AIDAAIDA Java AIDA Implementation C++ Program AIDAAIDA C++ AIDA Implementation

8. C++  Java with AIDA Java AIDA Implementation C++ Program AIDAAIDA AIDAAIDA C++ -> Java  Allows any C++ program to create JAS histograms  Histograms can be viewed interactively or,  Saved as.javahist file and viewed later

9. Prototype Implementation

10. Example of AIDA  JASG4

11. JACO – Automatic Mapping of C++ Objects to Java Proxies Interoperability of Java and C++ is certainly possible – But tedious Code must be written for each method Need to deal with starting JavaVM Need to deal with object lifetimes JACO – Aims to solve this – Automatic generation of glue code – Small library to deal with details Aimed at Event Display and Event Analysis

12. JACO – Block Diagram.hh files RTTIRTTI Code Generator.java.hh.cc Runtime Library

13. JACO Status All parts of system now exist – Second generation parser now written Testing on HTL and Atlas (Multi-Method classes from Lassi) classes – all parse successfully. – Code generator + library tested on simple cases. Near-term Future – Test with real Atlas event classes – Demonstrate by analyzing Atlas events in JAS

14. Conclusion