Workshop on How to Publish Data in VO

ESAC, June 25-June 29 2007

Overview of VO client Overview of VO client applicationsapplications

Thomas BochThomas Boch

CDSCDSboch@astro.u-strasbg.frboch@astro.u-strasbg.fr

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VO architectureVO architecture

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VO architectureVO architecture

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VO architectureVO architecture

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VO architectureVO architecture

Consuming VO services

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VO application ???VO application ???

An applicationAn application– Supporting VO formats (VOTable, UCD, …)Supporting VO formats (VOTable, UCD, …)– Capable of querying a registry to discover and Capable of querying a registry to discover and

locate services of interestlocate services of interest– Capable of querying services conforming to Capable of querying services conforming to

DAL protocols (ConeSearch, SIAP, SSAP)DAL protocols (ConeSearch, SIAP, SSAP)– Able to interact with other VO applicationsAble to interact with other VO applications

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RegistryRegistry

Registries are set up and runningRegistries are set up and running– ESAVO registryESAVO registry– AstroGrid registryAstroGrid registry– Carnivore (Caltech) registryCarnivore (Caltech) registry– STScI registrySTScI registry– ……

SearchableSearchable– By humansBy humans– By machinesBy machines

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ESAVO registryESAVO registry

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ESAVO registryESAVO registry

ESAVO registry home page

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ESAVO registryESAVO registry

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ESAVO registryESAVO registry

Search interface

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ESAVO registryESAVO registry

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ESAVO registryESAVO registry

Search results for ‘CDFS’

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VOExplorerVOExplorer

AstroGrid developmentAstroGrid development Itunes-like interface allowing toItunes-like interface allowing to

– Browse and search available servicesBrowse and search available services– Filter incrementally on the basis of VOResource Filter incrementally on the basis of VOResource

metadatametadata– Use service of interestUse service of interest

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VOExplorerVOExplorer

AstroGrid developmentAstroGrid development Itunes-like interface allowing toItunes-like interface allowing to

– Browse and search available servicesBrowse and search available services– Filter incrementally on the basis of VOResource Filter incrementally on the basis of VOResource

metadatametadata– Use service of interestUse service of interest

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NVO DataScopeNVO DataScope

Query simultaneously different VO servicesQuery simultaneously different VO services

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NVO DataScopeNVO DataScope

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NVO DataScopeNVO DataScope

Enter an object name/position on the sky+ search radius

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NVO DataScopeNVO DataScope

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NVO DataScopeNVO DataScope

List of matching resources

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NVO DataScopeNVO DataScope

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NVO DataScopeNVO DataScope

Preview/access to data of interest

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Astrogrid DataScopeAstrogrid DataScope

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Aladin ‘All-VO’Aladin ‘All-VO’

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Spectral toolsSpectral tools

VOSpec (ESAC)VOSpec (ESAC) Splat-VO (StarLink)Splat-VO (StarLink) Specview (STScI)Specview (STScI)

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VOSpecVOSpec

Access toAccess to– SSAP services (spectra)SSAP services (spectra)– TSAP services (theoretical spectra)TSAP services (theoretical spectra)– SLAP services (spectral atomic lines)SLAP services (spectral atomic lines)

Create SED from spectra coming from different Create SED from spectra coming from different providersproviders– Handles units conversionHandles units conversion

Black-body fitting, deredenning, gaussian fitting, Black-body fitting, deredenning, gaussian fitting, etcetc

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VOSpecVOSpec

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Splat-VOSplat-VO

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Catalogues toolsCatalogues tools

TOPCAT (M. Taylor)TOPCAT (M. Taylor) VOPlot (VO-India)VOPlot (VO-India) VisIVO (INAF)VisIVO (INAF)

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TOPCATTOPCAT Interactive graphical viewer and editor for tabular Interactive graphical viewer and editor for tabular

datadata Supports many tabular formats (VOTable in all Supports many tabular formats (VOTable in all

flavours, FITS tables, ASCII, CSV, …)flavours, FITS tables, ASCII, CSV, …) Features : Features :

– access to catalogues (ConeSearch), images (SIAP), access to catalogues (ConeSearch), images (SIAP), spectra (SSAP) servicesspectra (SSAP) services

– conversion between tabular formats, 2D/3D scatter conversion between tabular formats, 2D/3D scatter plots, density plots, spherical plot, selection of subsets, plots, density plots, spherical plot, selection of subsets, cross-match tables, creation of new columns, …cross-match tables, creation of new columns, …

STILTS : command-line counterpart for batch STILTS : command-line counterpart for batch operationsoperations

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TOPCATTOPCAT

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VOPlotVOPlot

2D data plotter supporting VOTable 2D data plotter supporting VOTable cataloguescatalogues

LightweightLightweight– Can be used as an applet from a web pageCan be used as an applet from a web page

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VOPlotVOPlot

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VisIVOVisIVOGrid based data:•Isosurfaces•Volume rendering

Point like data: • Pixels• Scalar quantities with colours• Scalar quantities with variable size and shape glyphs

INAF, CINEA : visivo.cineca.it

Supported VO formats•VOTable•PLASTIC

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AladinAladin

Interactive sky atlasInteractive sky atlas– Access and visualize astronomical imagesAccess and visualize astronomical images– Superimpose catalogues entriesSuperimpose catalogues entries– Aim : visualizing and comparing multi-wavelength dataAim : visualizing and comparing multi-wavelength data

Access toAccess to– ConeSearch servicesConeSearch services– SIAP servicesSIAP services– SSAP servicesSSAP services– Local data manipulation (cross-match, filters, image Local data manipulation (cross-match, filters, image

convolution, …)convolution, …)– Remote processing services (S-Extractor)Remote processing services (S-Extractor)

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AladinAladin

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Making tools interoperateMaking tools interoperate

PLASTIC protocol (PLASTIC protocol (http://plastic.http://plastic.sfsf.net/.net/))– allows client-side VO tools to communicateallows client-side VO tools to communicate– currently being revamped as SAMP (Simple currently being revamped as SAMP (Simple

Application messaging) in the IVOA frameApplication messaging) in the IVOA frame

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PLASTIC usage example (1)PLASTIC usage example (1)

Expanding tools’ capabilitiesExpanding tools’ capabilities

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PLASTIC usage example (2)PLASTIC usage example (2)

Cross-selection of objects in different toolsCross-selection of objects in different tools

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Applications IVOA WGApplications IVOA WG

Applications Working Group charterApplications Working Group charter– Forum for VO Apps announcementForum for VO Apps announcement– Provide feedback on interop. standards Provide feedback on interop. standards

implementationimplementation– Identify missing components for VO appsIdentify missing components for VO apps

http://www.http://www.ivoaivoa..net/twiki/bin/view/IVOA/IvoaApplicationsnet/twiki/bin/view/IVOA/IvoaApplications

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Links (1)Links (1) RegistriesRegistries

– ESAVO registry : ESAVO registry : http://esavo.esa.int/registry/http://esavo.esa.int/registry/– AstroGrid : AstroGrid : http://www.astrogrid.org/http://www.astrogrid.org/– Carnivore registry : Carnivore registry : http://nvo.caltech.edu:8080/carnivore/http://nvo.caltech.edu:8080/carnivore/ – STScI : STScI : http://nvo.stsci.edu/voregistry/index.aspxhttp://nvo.stsci.edu/voregistry/index.aspx

VO Explorer : VO Explorer : http://software.astrogrid.org/http://software.astrogrid.org/ NVO DataScope : NVO DataScope : http://heasarc.gsfc.nasa.gov/vo/http://heasarc.gsfc.nasa.gov/vo/ VOSpec : VOSpec : http://esavo.esac.esa.int/vospecapphttp://esavo.esac.esa.int/vospecapp Splat-VO : Splat-VO : http://star-www.dur.ac.uk/~pdraper/splat/splat-vo/http://star-www.dur.ac.uk/~pdraper/splat/splat-vo/ Specview : Specview :

http://www.stsci.edu/resources/software_hardware/specviewhttp://www.stsci.edu/resources/software_hardware/specview

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Links (2)Links (2) TOPCAT : http://www.star.bris.ac.uk/~mbt/topcat/ TOPCAT : http://www.star.bris.ac.uk/~mbt/topcat/ VOPlot : http://vo.iucaa.ernet.in/~voi/voplot.htm VOPlot : http://vo.iucaa.ernet.in/~voi/voplot.htm VisIVO : http://visivo.cineca.it/ VisIVO : http://visivo.cineca.it/ Aladin : http://aladin.u-strasbg.fr/ Aladin : http://aladin.u-strasbg.fr/ PLASTIC : http://plastic.sourceforge.net/PLASTIC : http://plastic.sourceforge.net/ IVOA Applications WG : IVOA Applications WG :

http://www.ivoa.net/twiki/bin/view/IVOA/IvoaApplications http://www.ivoa.net/twiki/bin/view/IVOA/IvoaApplications List of applications from IVOA Apps WG : List of applications from IVOA Apps WG :

http://www.ivoa.net/twiki/bin/view/IVOA/IvoaApplications#Linkshttp://www.ivoa.net/twiki/bin/view/IVOA/IvoaApplications#Links

List of tools from NVO web site : List of tools from NVO web site : http://www.us-vo.org/projects/tools.cfm http://www.us-vo.org/projects/tools.cfm