科学数据网格虚拟天文台进展 - China-VO

2005 11 25 Comput er Network Information Center CNI C

TB PB

18TBTB 8TB63 2002 10 2005 11

CDS 2MASS Hipparcos Tycho Other Dss GSC1.2 USNO VO VOFil ter 2MASS OB CDS Proposed solution CDS chose to keep the astronomical catalogues as p

lain ascii files, and to store the description of the catal ogue as a separate ascii file. This description file incl udes all the necessary information related to the catal ogue: author(s), reference(s) of the related published papers, brief summary, scientific keys, caption and a ccurate description of each table of the catalogue. plain ascii files+ description file plain ascii files+ description file API

Web Web PortType CDS -- MySql Catalogue ReadMe 618TB0 Catalogues available from CDS 5023 catalogues Obsoletes Binary ReadMe file Contents http://vizier.u-strasbg.fr/doc/catstd-3.1.htx

CDS CdsCatalogSummary +-----------------------------+ | Tables_in_CdsCatalogSummary | +-----------------------------+ | Summary

| +-----------------------------+ Summary CDS Summary Schema +-------------+--------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra |

+-------------+--------------+------+-----+---------+-------+ | catalogPath | varchar(255) | | | | | | content | blob | YES | | NULL | | +-------------+--------------+------+-----+---------+-------+ catalogPath CDS Catalogue Content Catalogue ReadMe C atalogue

CDS

Catalogue Catalogue /I/100A +------------------+ | Tables_in_I_100A | +------------------+ | CatalogInfo | | FileContents | | FileTableMapping | | w10_dat | | w10_dat_meta | | w25_dat | | w25_dat_meta |

| w50_dat | | w50_dat_meta | +------------------+ CDS

CatalogInfo Schema +--------------+-------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +--------------+-------------+------+-----+---------+-------+ | catalogName | varchar(32) | | | | | | catalogTitle | blob | YES |

| NULL | | | Description | blob | YES | | NULL | | | fileSummary | blob | YES | | NULL | | +--------------+-------------+------+-----+---------+-------+ catalogName Catalogue catalogTitle Catalogue ReadMe Description Catalogue ReadMe fileSummary Catalogue ReadMe

CDS FileContents Schema +-------------+------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-------------+------------+------+-----+---------+-------+ | fileName | blob | | | | | | type | char(1) | YES | | NULL | |

| fileContent | mediumblob | YES | | NULL | | +-------------+------------+------+-----+---------+-------+ fileName ReadMe Type C N fileContent ReadMe

CDS

FileTableMapping Schema +---------------+--------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +---------------+--------------+------+-----+---------+-------+ | fileName | varchar(255) | | | | | | metaTableName | varchar(255) | YES | | NULL | | dataTableName | varchar(255) | YES | | NULL | | explanation | blob

| YES | | NULL | | +---------------+--------------+------+-----+---------+-------+ fileName metaTableName dataTableName Explanation | | CDS

*_meta schema +--------------+-------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra |

+--------------+-------------+------+-----+---------+-------+ | Lable | varchar(32) | YES | | NULL | | | Units | varchar(32) | YES | | NULL | | | Formats | varchar(16) | YES | | NULL | | | Bytes | varchar(16) | YES | | NULL | |

| Explanations | blob | YES | | NULL | | +--------------+-------------+------+-----+---------+-------+ Lable Units Formats Bytes Explanations CDS

Schema +-------+------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-------+------------+------+-----+---------+-------+ | ID | varchar(5) | YES | | NULL | | | DM | varchar(8) | YES | | NULL | | | mag | varchar(5) | YES | | NULL | | | RAh | char(2) | YES | | NULL |

| | RAm | char(2) | YES | | NULL | | | RAs | varchar(6) | YES | | NULL | | | pmRA | varchar(6) | YES | | NULL | | | DE- | char(1) | YES | | NULL | | | DEd | char(2) | YES | | NULL | | | DEm | char(2) | YES |

| NULL | | | DEs | varchar(5) | YES | | NULL | | | pmDE | varchar(6) | YES | | NULL | | | o_RAh | char(3) | YES | | NULL | | | o_DEd | char(3) | YES | | NULL | | | EpRA | varchar(7) | YES | | NULL | |

| EpDE | varchar(7) | YES | | NULL | | | cat | varchar(5) | YES | | NULL | | +-------+------------+------+-----+---------+-------+ CDS Web Service Web Service CDS String getDBName(String CatalogPath) String CatalogPath CDS Catalogue /I/108TBA; String Catalogue

CataloguePath CatalogPath =Obsolete=Obsolete=Obsolete= null CDS Web Service String getTableName(String catalogPath, String fileName); catalogPath String catalogPath CDS Catalogue /I/108TBA fileName String fileName Catalogue String catalogPath fileName CDS null CDS Web Service

String getMetaTableName(String catalogPath, String file Name); catalogPath String catalogPath CDS Catalogue /I/108TBA fileName String fileName Catalogue String catalogPath fileName CDS null CDS Web Service String queryCDS(String strSql); String strSql CDS sql

String null CDS http://portal.sdg.ac.cn Web portlet 1 Portlet 2 Portlet

3 Portlet 4 Portlet Web Service CDS 2MASS Hipparcos Tycho Other CDS DSS

http://portal.sdg.ac.cn GSC1.2 GSC GSC http://portal.sdg.ac.cn USNO

VO VOFilter VOTable2XHTML China-VO VO aladin 2MASS OB

OB 2MASS OB Hipparcos CDS OB 2MASS OB OB .

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