plasma node: use case analysis frascati, europlanet n7 meeting, october 9, 2007 c. jacquey, n....
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Plasma Node: Use Case Analysis
Frascati, EuroPLANET N7 meeting, October 9, 2007
C. Jacquey, N. André, M. Gangloff, R. Hitier, E. Pallier, E. Budnik, V. Génot, B. Cecconi, C. Harvey, CDPP/CESR, Toulouse
F. Topf, H. Rucker, M. Khodachenko , IWF, Graz
Challenges of IDIS/plasma node:components of the problem
Study types:Case studiesStatistical/systematical studiesSimulationTheory
FieldsPlasmaComparative studiesHeliophysics studiesGlobal (inter-nodes) planetary studies
Type of ressources (data, services, tools, …):Plasmas, E-B fieldsNeutral (atmosphere, exosphere, other..)Dust, RingsSmall bodiesPlanetary surface, volcanism, …Solar observations…Models, simulation codesData analysis toolsData treatment tools …
Two levels:-Intra-node: only dealing with plasma ressources, BUT, interacting with other plasma Vos (HELIO, US-VOs)-Inter-nodes: exchanging ressources with nodes of different thematics
the Big Challenge…and a strong justification of a planetary VO
Three main classes of resources
(1)Related to pointing instrument (i.e. camera, telescope), remote data Localisation (a, d, R) are the primary parameters e.g. Astronomy
IVOA
(2)Related to in-situ measurement on dynamical phenomena Time span and region are the primary parameters e.g. Solar Wind data + magnetosphere data
SPASE
(3)Combining both e.g., ionosphere, atmosphere dynamics e.g, aurora images e.g. dynamical astrophysics: stellar magnetic field, exoplanets, …
IVOA, SPASE
Goals of the Europlanet/N7 action in FP6?
(1) Inventory of the resources (until what level?)
(2) Science cases: Identifying user requirements and scientific specifications
(3) From them, recommending specifications on:
Final product: reference document, basis for the FP7 proposal
Preparing the FP7 Europlanet project
(4) Build demonstrators/experimentators: to be applied to use cases
-Data-Services-Tools-Models
Description, exchange,exploitation
We do not start from nothing…■ SPASE ■ IVOA ■ PDS
For building a VO, the basis of everything is a standard for describing the ressources, i.e.,
- a data (resource) model + a dictionnary- or a model + several dictionnaries- or several [model+dictionary(ies)] + translation tools
Defining the specifications on the data model(s) of the future planetology VO is one of the main goal of FP6/N7
In pratice, in regards of the user requirements : (i) Are SPASE, IVOA or PDS good basis? (ii) Which one – or combination - is the most adapted?(iii)Recommendations for FP7 project?
Prototypes/Demonstrators
Plasma node: the adopted method for science case analysis
Use caseanalysis
User requirementspecifications
Confrontation to theexisting models:
SPASE, IVOA, PDS
Are there blocking points, incompatibilities in the model?What is missing?What is not appropriate?Which extensions/modifications could be considered?
Modified/extendedmodels
Specifications of the IDIS data model
Recommendations for selecting, modifying, extending the existing models – or combining some of them
Recommendations for communicating with external VOs
Application: science case “Solar wind / saturn magnetosphere interaction and auroras” (1)
Needed resources
In situ data-CASSINI B-field, plasma, particles-Heliospheric (ACE, WIND, ULYSSES, MEX) B-field, plasma, particles
Remote data-Solar observations-CASSINI, ULYSSES radio-CASSINI aurora images-HST, FUSE saturn aurora images
Services-Integrated analysis tools-Solar wind propagation simulation-Interplanetary disturbance (CME) propagation simulation
In red, resources coming from IDISIn blue, resources coming from external VOs
Needed resources
In situ data-CASSINI B-field, plasma, particles extended-SPASE, (PDS?)-Heliospheric (ACE, WIND, ULYSSES, MEX) B-field, plasma, particles
SPASERemote data
-Solar observations SPASE, IVOA-CASSINI, ULYSSES radio extended-SPASE, (PDS?)-HST, FUSE saturn aurora images IVOA
Services-integrated analysis tools None-Solar wind propagation simulation in development in SPASE-Interplanetary disturbance (CME) propagation simulation in development in SPASE
Application: science case “Solar wind / saturn magnetosphere interaction and auroras” (2)
Needed extensions on SPASESpacecraft attitude does not exist in SPASE (yet)Instrument attitude does not exist in SPASE (yet)Field of view of instrument does not exist in SPASE (yet)
But it is possible to implement extensions. Spase[Rq]
Version[Rq]
Catalog[* of A]
Display Data[* of A]
Numerical Data[* of A]
Granule[* of A]
Instrument[* of A] Observatory[* of A] Person[* of A] Registry[* of A] Repository[* of A]
Service[* of A]
Extension[* of A]
Prototypes.demonstrators
Registry demonstrator: (Demo if extra time)
-Description SPASE of several planetary plasma data (MAPSKP, VEX, MEX)-Building a registry-Building a search engine-Goals: demonstration and experimentation (standard versus user requirements, SPASE extensions, …)
Science demonstrator: (Demo if extra time)
-Based on AMDA-Using distant data (MAPSKP, VEX-MAG, HST) and local data-High level tools and functionalities-Goals: demonstration and experimentation
AMDA, Automated Multi-Dataset Analysis (http://cdpp-amda.cesr.fr)
Multi-spacecraft and multi-instrument data -Visualisation-user defined parameter computation-Standard model computation-Data and computed parameter extraction-Event list production and management
Automated and semi-automated (visual) search on the content of the data
Access to external databases (now: CDAWeb, CDPP, next: MAPSKP, VEX-MAG, HST images, MEDOC solar data, …)
LocalDatabase
AMDA
System
CDAWeb
CDPP
MAPSKP
Prototype application on use cases
Registry prototypeSearching the resource location
(MAPSKP, HST aurora, VEX, ACE)
AMDA/PlanetoScience prototype
Access, extraction of the targeted data (distant or local)
Integrated analysis
USER
MAPSKP
Local database
VEX-MAGGraz
HST
Request of resource location
IDIS external connections
IDIS requests to outside:Astronomy (IVOA), HST, XMM, Ground radio-astronomy (Nancay, LOFAR)Plasma solar system (heliophysics): Heliophysics VO (ULYSSES Jupiter flyby), HELIO, EGSO, Radio-planetology (ULYSSES)Spectroscopy database
Outside resource requests to IDIS:Earth magnetosphere studies: ROSETTA, CASSINI or GALILEO earth fly-byHeliophysics Vos: Planetary probes used as solar wind monitors
ConclusionWhat can be done shortly (2 months):
User requirement reference document for plasma fieldAnalysis of existing standards et sub-sequent recommendations for FP7
but need help for IVOA (CDS, ASOV) and PDSSPASE based registry demonstrator for some planetary plasma resourcesSpecification of communication with external VOs (for the plasma field)
And for February 15, 2008:
User requirement reference document for inter-thematic (inter-node) fields, i.e., more science cases to be analysedRequirements on the inter-node data model, recommendation for the future IDISScience demonstrator, V1.0, (MAPSKP, HST, VEX, MEX)
Plasma node tasks / CDPP
■ Use case analysis
User requirement analysis/synthesis: reference document
Confrontation to existing standard (SPASE, IVOA, PDS)
System requirement specifications: reference documentOption on standard development
■ Registry demonstrator (SPASE, maybe IVOA)
■ Science demonstrator based on distributed ressources
List of tasks (July 24-25, 2007meeting)Inventory (EP, FT)Use case analysis prototypes (1: FT., GoG/ NA, CJ, VG, BC)Comparison user requirements/standards for prototypesFocusing the survey of IVOA (MG, CAConnecting specialist of IVOA standard (CJ, MG, CA, Connecting specialist of PDS standard (GoG [Martin Volwerk?], Anticipating the internal communication and progress updating system (FT, RH, GoS)Registry demonstrator (MG, CJ, Science demonstrator AMDA/MAPSKP (RH, NA, EP, EB, VG, CJ, MB, BC, Connection with aurora images (HST, FUSE, ground…), NA , …
AMDA Use cases
Connection AMDA/Graz ? (FT, RH, EB, VG, CJ, NA, ASPERA (EB,
Analysis of several use cases? Diagnostic of user requirements versus existing standards.
CA, Christophe Arviset GoG: Ghost of Graz GoS: Ghost of Scientist
Use casesWhat do we expect from use case analysis
- User requirement specifications
How many cases?-For now, only one: Solar wind/Jupiter (Saturn) magnetosphere interaction-Sufficient in regards to the IDIS challenges?
If not, which ones?
The method for use case analysis?
How to formulate the results?- example: SPASE standard
Comparative planetary study use cases
Normalizing toolsModels
Space weather inputInstrumental/observatory comparison tools
Ferrier et al.
H+
O+
VENUSMARS
Multi observatory dataMulti-instrument data
Used resources
SOHO LASCO + EITFUV HSTRadio GALLILEORadio CASSINIPOLAR VISIMAGE FUV
Versatile Advection Code + ACE data
Use cases on global planetary study
Radio/plas/mag/atm/dust/gravité saturn rotation determinationSurf/plas Mercury surface/magnetosphere interaction
Aurores/mars (radio, atm, surf, plas, model-transcar, imagerie-)Helio/plan.plas Heliospheric constellationAtm/plas Taranis
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J’attends vos propositions
Inter-Node use cases?
Small bodies / plasmas: comets, Rosetta anticipation, Giotto experience
Surface/Atmosphere/Plasmas: Martian aurora, Io, satellite driven Jupiter aurora
Surface/Plasmas:Mercury, Ganymede, Encelade
Atmosphere/Plasmas: Aurora (Saturn, Jupiter), Venus airglow, Titan, Ion escape at Mars/Venus
Use case analysisGoals:
-Specify/recommend the content of the data model-Specify/recommend an architecture
Global method:First a prototype study for validating the method.
-(1) Extracting user requirements from use case analysis• Formulating the results
-(2) Defining an information system (data model + architecture)-(3) Scenarii for performing the user studies using the defined system and identifying the inconsistencies, bugs, etc…-Then, iterating (2) and (3)
Practical approach:- (i) starting from SPASE and see what it is needed and missing- (ii) the same for IVOA, (iii) and PDS?
Recommendation
Prototype use case:
■ EuroPLANET selected use case: Campaign in 2004 (or 2006, 2007) approach of CASSINI toward Saturn
CASSINI data, HST images (external from IDIS or atmosphere node?), models, … ■ The R. Prangé study on interplanetary shock propagation
Starting point
Selecting other use cases?
Buts de la réunion d’aujourd’hui
Débroussaillage des prototype use cases
Comment enrichir la use case analysis?
Qui participe à quoi?
Qui est responsable de quoi?
Comment on s’organise?
The use case selected by the EuroPLANET expert group
Solar wind/Jupiter (Saturn) magnetosphere interaction