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VIEWGRAPH LIST
OBJECTIVES
HESSI –UNIQUE SOFTWARE ISSUES
IMPLEMENTATION BASICS
TEAM
OTHER HESSI-RELATED SOFTWARE
UNDEVELOPED SOFTWARE
STATUS OVERVIEW
ELEMENTS OF SOFTWARE
HESSI SOFTWARE REVIEW – December 14, 2000
OBJECTIVES
THURSDAY
 | software status and plans |
| description and demonstrations |
| questions, comments, suggestions, discussion |
FRIDAY
| informal opportunity to try out software |
| in Addition Conference Room (new building, ground floor) |
SPRING WORKSHOPS
| presentations more oriented towards how-to |
| more opportunity for hands-on |
HESSI-UNIQUE SOFTWARE ISSUES
 | Indirect imaging |
| Many users unfamiliar with imaging and spectroscopic techniques è Importance of documentation and user comfort |
| User tradeoffs among time-, energy-resolution, image quality, etc è Level-0 database as starting point. |
| Importance of ancillary data |
HESSI SOFTWARE – IMPLEMENTATION BASICS
| Multiplatform support – Unix (Solaris, Linux), Windows 95,98,NT |
| Solar SoftWare Tree + convenient updating - dynamic software environment è can use either latest release OR development version |
| IDL 5.3 |
| Object-oriented code + simplifies maintenance and upgrading + saves time in some analysis scenarios - initially more complex to code - less familiar, but more consistent user interface |
| User interface options - Object-oriented commands - Conventional IDL command line - Command line scripts - Graphical User Interface |
OTHER HESSI-RELATED SOFTWARE
| ETH – enhanced database access, including web interface |
| GSFC (Holman et al) – x-ray, microwave modelling |
| GSFC (Ramaty, Murphy et al) – nuclear modelling package |
| UNH – polarimetry |
UNDEVELOPED HESSI SOFTWARE
| Level-3 software (eg conversion of photon spectra to electron spectra) |
| Study-specific software |
| Support for non-solar observations |
| Support for Crab roll calibration ?? |
| X-ray polarimetry |
| White-light imaging with SAS |
| Helioseismology with SAS limb data |
| Modifications to support full-sun imaging |
SOFTWARE DEVELOPMENT TEAM
| Markus Aschwanden | Forward Fitting algorithm |
| Bob Bentley | Documentation |
| Andrew Conway | MEMVIS |
| Andre Csillaghy | Objects, integration |
| Brian Dennis | Documentation |
| Martin Fivian | Aspect |
| Gordon Hurford | Imaging, grid response, PMT |
| Chris Johns-Krull | Documentation, testing |
| Sam Krucker | CLEAN algorithm |
| Tom Metcalf | PIXON algorithm |
| Jim McTiernan | Level 0 data base and catalog generation |
| Jun Sato | MEM Sato |
| Ed Schmahl | Imaging |
| Richard Schwartz | Integration, back-projection, spectroscopy |
| David Smith | Spectroscopy |
| Kim Tolbert | Graphical interface |
| Dominic Zarro | Ancillary data |
OVERVIEW OF SOFTWARE STATUS
| Strong object-oriented infrastructure is in place. |
| Much, but not all, of the basic analysis software is in place. |
| Many important features and capabilities remain to be implemented. |
| Many bugs (some obvious, some subtle) remain. |
| Dynamic development environment. |
| Testing to date has been mainly functional and performance-oriented. |
| Quantitative and comparative testing has begun, but is at an early stage. |
| Documentation is being developed in parallel with software. |
ELEMENTS OF SOFTWARE FROM USER PERSPECTIVE
| Loading and updating software package |
| Access to level-0 database |
| Command line interface |
| Graphical user interface |
| Catalog data |
| Light curves |
| Spectroscopy |
| Imaging |
| Imaging spectroscopy |
| Ancillary data |
| Simulations |
| Access to data at ETH |
| Documentation |
