Collaborative Page for SIA InterfaceThe 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.Current SIAV2 Working DraftThe SIAV2 working draft has been split into two closely linked documents, the SIA version 2.0 specification per se, and the Image data model it is based upon. This version of SIA, and the new Image data model, are fully multidimensional and capable of dealing with cube data. The SIA-2.0 working draft is available in the document repository: http://www.ivoa.net/documents/SIA/ The latest ImageDM working draft is available from the DM-WG pages. | |||||||||||||||||||||||||
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Older drafts and Related Papers
SIA Related IVOA Notes
VAO Prototyping EffortThe VAO Project is building a prototype SIAv2 service for presentation and demonstration at the Fall 2013 Interop. More information on the scope and progress of this effort can be found in the SIA2VAOPrototype page.<--
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Collaborative Page for SIA InterfaceThe 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.Current SIAV2 Working DraftThe SIAV2 working draft has been split into two closely linked documents, the SIA version 2.0 specification per se, and the Image data model it is based upon. This version of SIA, and the new Image data model, are fully multidimensional and capable of dealing with cube data. The SIA-2.0 working draft is available in the document repository: http://www.ivoa.net/documents/SIA/ The latest ImageDM working draft is available from the DM-WG pages.Older drafts and Related Papers
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SIA Related IVOA Notes
VAO Prototyping EffortThe VAO Project is building a prototype SIAv2 service for presentation and demonstration at the Fall 2013 Interop. More information on the scope and progress of this effort can be found in the SIA2VAOPrototype page.<--
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Collaborative Page for SIA InterfaceThe 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.Current SIAV2 Working Draft | |||||||||||||||||||||||||
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< < | The SIAV2 working draft has been split into two closely linked documents, the SIA version 2.0 specification per se, and the Image data model it is based upon. This version of SIA, and the new Image data model, are fully multidimensional and capable of dealing with cube data. | ||||||||||||||||||||||||
> > | The SIAV2 working draft has been split into two closely linked documents, the SIA version 2.0 specification per se, and the Image data model it is based upon. This version of SIA, and the new Image data model, are fully multidimensional and capable of dealing with cube data. The SIA-2.0 working draft is available in the document repository: | ||||||||||||||||||||||||
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< < | The 2013 SIAV2 working draft has been pretty much completely rewritten to make use of modern (draft) standards such as the ImageDM, DALI, and so on. The current (12Aug) draft is complete through the queryData request, although the query response section is still pretty rough. A key element which is not yet included in the draft is the accessData request, used to interactively slice/dice remote cubes. A preliminary description of the data access model behind accessData is given in the ImageDM working draft. | ||||||||||||||||||||||||
> > | http://www.ivoa.net/documents/SIA/ The latest ImageDM working draft is available from the DM-WG pages. | ||||||||||||||||||||||||
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Older drafts and Related Papers
SIA Related IVOA Notes
VAO Prototyping EffortThe VAO Project is building a prototype SIAv2 service for presentation and demonstration at the Fall 2013 Interop. More information on the scope and progress of this effort can be found in the SIA2VAOPrototype page.<--
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Collaborative Page for SIA InterfaceThe 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.Current SIAV2 Working DraftThe SIAV2 working draft has been split into two closely linked documents, the SIA version 2.0 specification per se, and the Image data model it is based upon. This version of SIA, and the new Image data model, are fully multidimensional and capable of dealing with cube data. The 2013 SIAV2 working draft has been pretty much completely rewritten to make use of modern (draft) standards such as the ImageDM, DALI, and so on. The current (12Aug) draft is complete through the queryData request, although the query response section is still pretty rough. A key element which is not yet included in the draft is the accessData request, used to interactively slice/dice remote cubes. A preliminary description of the data access model behind accessData is given in the ImageDM working draft.Older drafts and Related Papers
SIA Related IVOA Notes
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< < | - DougTody August 2013 | ||||||||||||||||||||||||
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< < | The VAO Project is building a prototype SIAv2 service for presentation and demonstration at the Fall 2013 Interop. | ||||||||||||||||||||||||
> > | The VAO Project is building a prototype SIAv2 service for presentation and demonstration at the Fall 2013 Interop. More information on the scope and progress of this effort can be found in the SIA2VAOPrototype page. | ||||||||||||||||||||||||
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< < | More information on the scope and progress of this effort can be found in the SIA2VAOPrototype page. | ||||||||||||||||||||||||
<--
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Collaborative Page for SIA InterfaceThe 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.Current SIAV2 Working DraftThe SIAV2 working draft has been split into two closely linked documents, the SIA version 2.0 specification per se, and the Image data model it is based upon. This version of SIA, and the new Image data model, are fully multidimensional and capable of dealing with cube data. The 2013 SIAV2 working draft has been pretty much completely rewritten to make use of modern (draft) standards such as the ImageDM, DALI, and so on. The current (12Aug) draft is complete through the queryData request, although the query response section is still pretty rough. A key element which is not yet included in the draft is the accessData request, used to interactively slice/dice remote cubes. A preliminary description of the data access model behind accessData is given in the ImageDM working draft.Older drafts and Related Papers
SIA Related IVOA Notes
VAO Prototyping Effort | |||||||||||||||||||||||||
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> > | The VAO Project is building a prototype SIAv2 service for presentation and demonstration at the Fall 2013 Interop. More information on the scope and progress of this effort can be found in the SIA2VAOPrototype page. | ||||||||||||||||||||||||
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< < | The VAO Project is building a prototype SIAv2 service for presentation and demonstration at the Fall 2013 Interop. Below we provide some documentation on this effort. In particular, we will post information about our progress and results of this effort:
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<--
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Collaborative Page for SIA InterfaceThe 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.Current SIAV2 Working DraftThe SIAV2 working draft has been split into two closely linked documents, the SIA version 2.0 specification per se, and the Image data model it is based upon. This version of SIA, and the new Image data model, are fully multidimensional and capable of dealing with cube data. The 2013 SIAV2 working draft has been pretty much completely rewritten to make use of modern (draft) standards such as the ImageDM, DALI, and so on. The current (12Aug) draft is complete through the queryData request, although the query response section is still pretty rough. A key element which is not yet included in the draft is the accessData request, used to interactively slice/dice remote cubes. A preliminary description of the data access model behind accessData is given in the ImageDM working draft.Older drafts and Related Papers
SIA Related IVOA Notes
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> > |
VAO Prototyping Effortediting in progress The VAO Project is building a prototype SIAv2 service for presentation and demonstration at the Fall 2013 Interop. Below we provide some documentation on this effort. In particular, we will post information about our progress and results of this effort:
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<--
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Collaborative Page for SIA InterfaceThe 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.Current SIAV2 Working DraftThe SIAV2 working draft has been split into two closely linked documents, the SIA version 2.0 specification per se, and the Image data model it is based upon. This version of SIA, and the new Image data model, are fully multidimensional and capable of dealing with cube data. | |||||||||||||||||||||||||
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> > | The 2013 SIAV2 working draft has been pretty much completely rewritten to make use of modern (draft) standards such as the ImageDM, DALI, and so on. The current (12Aug) draft is complete through the queryData request, although the query response section is still pretty rough. A key element which is not yet included in the draft is the accessData request, used to interactively slice/dice remote cubes. A preliminary description of the data access model behind accessData is given in the ImageDM working draft. | ||||||||||||||||||||||||
Older drafts and Related Papers
SIA Related IVOA Notes
<--
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Collaborative Page for SIA InterfaceThe 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. | |||||||||||||||||||||||
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< < | SIAV2 Working Drafts and Recent Papers | ||||||||||||||||||||||
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> > | The SIAV2 working draft has been split into two closely linked documents, the SIA version 2.0 specification per se, and the Image data model it is based upon. This version of SIA, and the new Image data model, are fully multidimensional and capable of dealing with cube data.
Older drafts and Related Papers | ||||||||||||||||||||||
SIA Related IVOA Notes
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< < | - DougTody May 2013 | ||||||||||||||||||||||
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Collaborative Page for SIA InterfaceThe 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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SIA Related IVOA Notes
<--
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Collaborative Page for SIA InterfaceThe 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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SIA Related IVOA Notes
<--
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Collaborative Page for SIA InterfaceThe 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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< < | 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. | ||||||||||||||||||
> > | 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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Collaborative Page for SIA InterfaceThe 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.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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< < | The Simple Image Access (SIA) interface defines a protocol for | ||||||||||||||||
> > | 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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< < | 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. | ||||||||||||||||
SIAV2 Working Drafts and Recent Papers | |||||||||||||||||
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Since late 2009 SIA V1.0 is now an IVOA Recommendation. | |||||||||||||||||
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< < | 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. | ||||||||||||||||
> > | 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. | ||||||||||||||||
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Collaborative Page for SIA InterfaceThe 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.SIAV2 Working Drafts and Recent Papers
SIA Related IVOA Notes
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< < | - DougTody, FrancoisBonnarel, Anita Richards May 2010 | ||||||||||||||||
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Collaborative Page for SIA InterfaceThe 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 SIA V1.0 is now at the request for comment stage on the path to becoming a recommendation. | ||||||||||||||
> > | Since late 2009 SIA V1.0 is now an IVOA Recommendation. | ||||||||||||||
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< < | A major update to the SIA interface, SIA V2.0, is in the planning stages. An analysis discussing the scope and concepts of SIAV2 is available in the IVOA Note below. | ||||||||||||||
> > | 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. | ||||||||||||||
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< < | SIA related IVOA Notes | ||||||||||||||
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< < | - DougTody, FrancoisBonnarel November 2009 | ||||||||||||||
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Collaborative Page for SIA InterfaceThe 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.SIA Working Drafts | ||||||||
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SIA related IVOA Notes
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Collaborative Page for SIA InterfaceThe 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.SIA Working Drafts | |||||||||||
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Collaborative Page for SIA InterfaceThe 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.SIA Working Drafts
SIA related IVOA Notes
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Collaborative Page for SIA InterfaceThe 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.SIA Working Drafts
SIA related IVOA Notes
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Collaborative Page for SIA InterfaceThe 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.SIA Working Drafts
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- DougTody October 2008
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Collaborative Page for SIA InterfaceThe 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.SIA Working Drafts
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> > | The SIA V1.0 is now at the request for comment stage on the path to becoming a recommendation. | |||||||
A major update to the SIA interface, SIA V2.0, is in the planning stages. An analysis discussing the scope and concepts of SIAV2 is available in the IVOA Note below.
SIA related IVOA Notes
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Collaborative Page for SIA InterfaceThe 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.SIA Working Drafts
SIA related IVOA Notes
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Collaborative Page for SIA InterfaceThe 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.SIA Working Drafts
SIA related IVOA Notes
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Collaborative Page for SIA InterfaceThe 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 current working draft for the legacy SIA V1.0 interface can be found | |||||||
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< < | A major update to the SIA interface, SIA V2.0, is in the planning stages. An analysis discussing the Scope and Concepts of SIAV2 is available for review and comment. | |||||||
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A major update to the SIA interface, SIA V2.0, is in the planning stages. An analysis discussing the scope and concepts of SIAV2 is available in the IVOA Note below.
SIA related IVOA Notes
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Collaborative Page for SIA InterfaceThe 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. The current working draft for the legacy SIA V1.0 interface can be found here. A major update to the SIA interface, SIA V2.0, is in the planning stages. An analysis discussing the Scope and Concepts of SIAV2 is available for review and comment. - DougTody May 2008<--
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