Difference: SiaInterface (14 vs. 15)

Revision 152013-05-08 - DougTody

 
META TOPICPARENT name="IvoaDAL"

Collaborative Page for SIA Interface

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The Simple Image Access (SIA) interface defines a protocol for retrieving image data from a variety of astronomical image repositories through a uniform interface. The interface is meant to be reasonably simple to implement by service providers. A query typically defining a rectangular region on the sky is used to query for candidate images. The service returns a list of candidate images formatted as a VOTable. For each candidate image an access reference URL may be used to retrieve the image. Images may be returned in a variety of formats including FITS and various graphics formats. Referenced images are often computed on the fly, e.g., as cutouts from larger images.
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The Simple Image Access (SIA) interface defines a protocol for retrieving image data from a variety of multidimensional astronomical image/cube repositories through a uniform interface. The interface is meant to be reasonably simple to implement by service providers. A query defining a multi-parameter query is used to query for candidate images. The service returns a list of candidate datasets formatted as a VOTable. For each candidate image an access reference URL may be used to retrieve the image. Direct client-directed access to a remote image/cube dataset is also provided. Images may be returned in a variety of formats including FITS, other astronomical image formats, and various graphics formats. Referenced images are often computed on the fly, e.g., as cutouts from larger images.
 

SIAV2 Working Drafts and Recent Papers

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 Since late 2009 SIA V1.0 is now an IVOA Recommendation.

A major update to the SIA interface, SIA V2.0, is in the planning stages. A partial working draft is available at the link above, as well as related analysis papers as noted on this page.

SIA Related IVOA Notes

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- DougTody, FrancoisBonnarel, Anita Richards October 2012
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- DougTody May 2013
 


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META FILEATTACHMENT attr="" comment="SIAV2 scope and concepts (updated Oct08)" date="1225132216" name="SIA-V2-Analysis.pdf" path="SIA-V2-Analysis.pdf" size="72277" user="DougTody" version="1.2"
META FILEATTACHMENT attr="" comment="DAL2 Service Architecture and Standard Profile" date="1225129372" name="DAL2_Architecture.pdf" path="DAL2_Architecture.pdf" size="91842" user="DougTody" version="1.1"
META FILEATTACHMENT attr="" comment="Note on polarization" date="1243326647" name="Polarization.pdf" path="Polarization.pdf" size="398306" user="DougTody" version="1.1"
META FILEATTACHMENT attr="h" comment="SIAV2 draft (Nov 7) (source)" date="1257616536" name="siav2.doc" path="siav2.doc" size="401920" user="DougTody" version="1.1"
META FILEATTACHMENT attr="h" comment="SIAV2 draft (Nov 7) (PDF)" date="1257617160" name="siav2.pdf" path="siav2.pdf" size="1157015" user="DougTody" version="1.1"
META FILEATTACHMENT attr="" comment="WD-SIAP-2.0-20091104.pdf" date="1257780269" name="WD-SIAP-2.0-20091104.pdf" path="WD-SIAP-2.0-20091104.pdf" size="1156929" user="DougTody" version="1.1"
META FILEATTACHMENT attr="" comment="SIAV2 draft (Nov 7) (source)" date="1257780369" name="WD-SIAP-2.0-20091104.doc" path="WD-SIAP-2.0-20091104.doc" size="401920" user="DougTody" version="1.1"
META FILEATTACHMENT attr="" comment="Anita's paper on radio data and SIAV2" date="1274071228" name="Anita-InterferometryVO.pdf" path="Anita-InterferometryVO.pdf" size="2174283" user="DougTody" version="1.1"
META FILEATTACHMENT attachment="MultiDimDataVision2013-01-02.pdf" attr="" comment="SAO Whitepaper on n-Cube Support in the VO (Rots et. al)" date="1367943356" name="MultiDimDataVision2013-01-02.pdf" path="MultiDimDataVision2013-01-02.pdf" size="99191" user="DougTody" version="1"
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META FILEATTACHMENT attachment="CubeDataInVO.pdf" attr="" comment="Multidimensional (cube) Data in the VO - VAO Whitepaper, May 2013" date="1367973850" name="CubeDataInVO.pdf" path="CubeDataInVO.pdf" size="865673" user="DougTody" version="1"
 
 
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