| <?xml version="1.0" encoding="UTF-8"?> <!-- edited with XMLSpy v2005 sp2 U (http://www.altova.com) by Arnold Rots (Smithsonian Observatory) --> <!-- edited with XMLSPY v2004 rel. 4 U (http://www.xmlspy.com) by Arnold Rots (Smithsonian Observatory) --> <!-- edited with XML Spy v4.4 U (http://www.xmlspy.com) by Arnold Rots (Smithsonian Astrophysical Observatory) --> <!-- $Id: coords.xsd,v 2.7 2005/02/25 19:30:24 arots Exp arots $ --> <!-- Schema definition for the coordinates in SpaceTimeCoords --> <!--Change Log: $Log: coords.xsd,v $ Revision 2.7 2005/02/25 19:30:24 arots Added position angle type and redefined its meaning: North, X, or Y Changed units micron to mu, A to Angstrom, in compliance with FITS standard Revision 2.6 2005/01/05 14:22:11 arots Release Version 1.10 Added Pixel Space; overhaul of inheritance and polymorphism Revision 2.4 2004/07/23 21:17:50 arots Modified ivoa schema locations; changed URN from nvo- to vo- Revision 2.3 2004/07/16 22:37:53 arots Release version v1.0. revision 2.2 date: 2004/07/07 16:16:22; author: arots; state: Exp; lines: +176 -193 Completed conversion to substitution groups. This version is ready for review. revision 2.1 date: 2004/05/23 03:32:59; author: arots; state: Exp; lines: +893 -1 Fixed Coords to AstroCoords in STCmeta elements. revision 2.0 date: 2004/05/21 21:09:17; author: arots; state: Exp; lines: +1 -747 Reworking with substitution groups and generalized CoordSys & Coords. revision 1.15 date: 2004/03/31 21:20:30; author: arots; state: Exp; lines: +80 -112 Proper units and improvements. Revision 1.14 2003/05/15 10:04:23 arots Remove erroneous Name elements. Revision 1.13 2003/05/08 20:28:19 arots Added spectral coordinate. revision 1.12 date: 2003/05/02 19:01:37; author: arots; state: Exp; lines: +41 -10 Changed JD and MJD to decimal type; added annotation. Revision 1.11 2003/04/30 16:54:52 arots Replaced substitutiongroups by choice - didn't work well. Revision 1.10 2003/04/30 13:27:12 arots Fixed up change log, changed schema locations. Revision 1.9 2003/04/29 20:56:40 arots Completed new astronTimeType and proper handling of units. Revision 1.8 2003/04/28 16:25:34 arots Split off stc.xsd as main, to avoid recursive inclusion. Bring into line with region.xsd. Revision 1.7 2003/04/17 19:05:41 arots removed region definitions. Revision 1.6 2003/04/01 17:45:36 arots Put reference position back in; added annotation. Revision 1.5 2003/03/27 20:20:16 arots Preserved ObservatoryLocation as independent element, as well. Revision 1.4 2003/03/27 20:06:26 arots Extensive revision: vectorized spatial coordinates, included ObservatoryLocation in ObservationLocation. Revision 1.3 2002/07/11 11:44:01 arots Corrected RCS Id. Revision 1.2 2002/07/11 08:58:25 arots All elements. Revision 1.1 2002/07/10 12:04:31 arots Initial revision --> <xs:schema elementFormDefault="qualified" targetNamespace="http://www.ivoa.net/xml/STC/STCcoords/v1.20" xmlns:crd="http://www.ivoa.net/xml/STC/STCcoords/v1.20" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <!-- Attribute types: units and time scale--> <xs:annotation> <xs:documentation>Basic unit type</xs:documentation> </xs:annotation> </xs:simpleType> <xs:annotation> <xs:documentation> Time units may be second (s), hour (h: 3600 s), day (d: 86400 s), Julian year (a, yr: 365.25 d), Julian century (cy: 36525 d), or empty (i.e., dimensionless) for ISO-8601 format </xs:documentation> </xs:annotation> <xs:enumeration value="s"/> <xs:enumeration value="h"/> <xs:enumeration value="d"/> <xs:enumeration value="a"/> <xs:enumeration value="yr"/> <xs:enumeration value="cy"/> <xs:enumeration value=""/> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> Coordinate units may be angular (degrees, radians, hours, arcmins, arcsecs), linear (meters, km, mm, AUs, parsecs, kpc, Mpc, lightyears), or empty (i.e., dimensionless) </xs:documentation> </xs:annotation> <xs:enumeration value="deg"/> <xs:enumeration value="deg deg m"/> <xs:enumeration value="rad"/> <xs:enumeration value="h"/> <xs:enumeration value="arcmin"/> <xs:enumeration value="arcsec"/> <xs:enumeration value="m"/> <xs:enumeration value="km"/> <xs:enumeration value="mm"/> <xs:enumeration value="AU"/> <xs:enumeration value="pc"/> <xs:enumeration value="kpc"/> <xs:enumeration value="Mpc"/> <xs:enumeration value="lyr"/> <xs:enumeration value=""/> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> Angular coordinate units may be degrees, radians, hours, arcmins, arcsecs </xs:documentation> </xs:annotation> <xs:enumeration value="deg"/> <xs:enumeration value="rad"/> <xs:enumeration value="h"/> <xs:enumeration value="arcmin"/> <xs:enumeration value="arcsec"/> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> Position angles may be counted from North (through East), (positive) X (to positive Y), or (positive) Y (to positive X) axis </xs:documentation> </xs:annotation> <xs:enumeration value="North"/> <xs:enumeration value="X"/> <xs:enumeration value="Y"/> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> Velocity units are a posUnitType / velTimeType; the latter may be second, day, hour, year (a or yr), century, but not empty </xs:documentation> </xs:annotation> <xs:enumeration value="s"/> <xs:enumeration value="h"/> <xs:enumeration value="d"/> <xs:enumeration value="a"/> <xs:enumeration value="yr"/> <xs:enumeration value="cy"/> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> Spectral units may be frequency (Hz, kHz, MHz, GHz), wavelength (meters, mm, micron, nm, Angstrom), or energy (eV, keV, MeV, GeV, TeV) </xs:documentation> </xs:annotation> <xs:enumeration value="Hz"/> <xs:enumeration value="kHz"/> <xs:enumeration value="MHz"/> <xs:enumeration value="GHz"/> <xs:enumeration value="m"/> <xs:enumeration value="mm"/> <xs:enumeration value="um"/> <xs:enumeration value="nm"/> <xs:enumeration value="Angstrom"/> <xs:enumeration value="eV"/> <xs:enumeration value="keV"/> <xs:enumeration value="MeV"/> <xs:enumeration value="GeV"/> <xs:enumeration value="TeV"/> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> The actual time scale used: TT, TAI, UTC, TDB, etc. </xs:documentation> </xs:annotation> <xs:enumeration value="TT"> <xs:annotation> <xs:documentation>Terrestrial Time; the basis for ephmerides</xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="TDT"> <xs:annotation> <xs:documentation>Obsolete synonym for TT</xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="ET"> <xs:annotation> <xs:documentation> Ephemeris Time; predecessor of, and continuous with, TT </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="TEB"> <xs:annotation> <xs:documentation> Barycentric Ephemeris Time:the independent variable in planetay ephemerides; time at the solar system barycenter synchronous with TT on an annual basis; often called TDB </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="TDB"> <xs:annotation> <xs:documentation> Barycentric Dynamic Time: time at the solar system barycenter synchronous with TT on an annual basis; often confused with TEB </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="TCG"> <xs:annotation> <xs:documentation>Terrestrial Coordinate Time</xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="TCB"> <xs:annotation> <xs:documentation> Barycentric Coordinate Time; runs slower than TDB but is consistent with physical constants </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="TAI"> <xs:annotation> <xs:documentation> International Atomic Time; runs 32.184 s behind TT </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="IAT"> <xs:annotation> <xs:documentation>Synonym for TAI</xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="UTC"> <xs:annotation> <xs:documentation> Coordinated Universal Time; currently (2004) runs 34 leapseconds behind TAI </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="LST"> <xs:annotation> <xs:documentation> Local Siderial Time; only for ground-based observations; note that the second is shorter </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="LOCAL"> <xs:annotation> <xs:documentation> Only to be used for simulations in conjunction with a relocatable spatial frame </xs:documentation> </xs:annotation> </xs:enumeration> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> Position angles are doubles and include optionally a unit attribute (default deg) and a reference attribute (default X) </xs:documentation> </xs:annotation> <xs:simpleContent> </xs:extension> </xs:simpleContent> </xs:complexType> <!--The definition of astronTimeType--> <xs:annotation> <xs:documentation> Substitution group for absoluteTimeType component of astronTimeType </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> ISO8601 time; note: only a limited subset of ISO 8601 is allowed: yyyy-mm-ddThh:mm:ss.sss... </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to an ISO8601 time</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>JD time</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a JD time</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>MJD time (=JD - 2400000.5)</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to an MJD time</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>A relocatable time origin for simulations</xs:documentation> </xs:annotation> <xs:simpleType> <xs:enumeration value="RELOCATABLE"/> </xs:restriction> </xs:simpleType> </xs:element> <xs:annotation> <xs:documentation> Substitution group: Relative time is elapsed time relative to the absolute reference time component </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>Actual elapsed time offset</xs:documentation> </xs:annotation> <xs:complexType> <xs:simpleContent> </xs:extension> </xs:simpleContent> </xs:complexType> </xs:element> <xs:annotation> <xs:documentation> IDREF to the elapsed relative time part of a AstronTime </xs:documentation> </xs:annotation> <xs:complexType> <xs:simpleContent> </xs:extension> </xs:simpleContent> </xs:complexType> </xs:element> <xs:annotation> <xs:documentation> astronTime is the generalized astronomical time type and consists of two or three elements: TimeScale, optional relative time offset, and an absolute time (ISO8601 or a decimal JD or MJD; or it may be an IDREF to one of those three) </xs:documentation> </xs:annotation> <xs:sequence> </xs:sequence> </xs:complexType> <!--Some specific vectors of doubles--> <xs:annotation> <xs:documentation>For vector coordinates we need arrays of doubles</xs:documentation> </xs:annotation> </xs:simpleType> <xs:annotation> <xs:documentation>A vector of 2 doubles</xs:documentation> </xs:annotation> <xs:length value="2"/> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation>A vector of 3 doubles</xs:documentation> </xs:annotation> <xs:length value="3"/> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation>A vector of 4 doubles</xs:documentation> </xs:annotation> <xs:length value="4"/> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation>A vector of 9 doubles</xs:documentation> </xs:annotation> <xs:length value="9"/> </xs:restriction> </xs:simpleType> <!--Substitution group for coordinate values--> <xs:annotation> <xs:documentation> The head element for the CoordinateValue substitution group </xs:documentation> </xs:annotation> </xs:element> <!--Substitution groups for 1-D coordinates --> <xs:annotation> <xs:documentation>Substitution group for a scalar coordinate value</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>double</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a Value</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>Substitution group for a scalar coordinate error</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>double</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to an Error</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> Substitution group for a scalar coordinate resolution </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>double</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a Resolution</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>Substitution group for a scalar coordinate size</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>double</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a Size</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> Substitution group for a scalar coordinate pixel size </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>double</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a Pixel Size</xs:documentation> </xs:annotation> </xs:element> <!--1-D coordinate types--> <xs:annotation> <xs:documentation> Abstract coordinate type; a concrete Coordinate consists of a Value, Error, Resolution, Size, and PixSize </xs:documentation> </xs:annotation> <xs:sequence> </xs:sequence> </xs:complexType> <xs:annotation> <xs:documentation>Generic scalar coordinate type</xs:documentation> <xs:documentation> Single CError, CResolution, CSize, CPixSize elements indicate definite values; pairs indicate ranges </xs:documentation> </xs:annotation> <xs:complexContent> <xs:sequence> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> <xs:annotation> <xs:documentation>Time coordinate type</xs:documentation> <xs:documentation> Single CError, CResolution, CSize, CPixSize elements indicate definite values; pairs indicate ranges </xs:documentation> </xs:annotation> <xs:complexContent> <xs:sequence> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> <!--Substitution groups for 2-D coordinates --> <xs:annotation> <xs:documentation> Consists of a Size (2 doubles) and optional position angle element </xs:documentation> </xs:annotation> <xs:sequence> </xs:sequence> </xs:complexType> <xs:annotation> <xs:documentation>Substitution group for a 2-D coordinate value</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>double vector</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a Value2</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>Substitution group for a 2-D coordinate error</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>2 doubles Error element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>size2Type Error element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>2x2 matrix Error element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to an Error2</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> Substitution group for a 2-D coordinate resolution </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>2 doubles Resolution element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>size2Type Resolution element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>2x2 matrix Resolution element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a Resolution2</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>Substitution group for a 2-D coordinate size</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>2 doubles Size element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>size2Type Size element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>2x2 matrix Size element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a Size2</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> Substitution group for a 2-D coordinate pixel size </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>2 doubles PixSize element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>size2Type PixSize element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>2x2 matrix PixSize element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a PixSize2</xs:documentation> </xs:annotation> </xs:element> <!--2-D coordinate types--> <xs:annotation> <xs:documentation>Generic 2-D coordinate type</xs:documentation> <xs:documentation> Single CError2, CResolution2, CSize2, CPixSize2 elements indicate definite values; pairs indicate ranges </xs:documentation> </xs:annotation> <xs:complexContent> <xs:sequence> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> <!--Substitution groups for 3-D coordinates --> <xs:annotation> <xs:documentation> Consists of a Size (3 doubles) and optional position angle element </xs:documentation> </xs:annotation> <xs:sequence> </xs:sequence> </xs:complexType> <xs:annotation> <xs:documentation>Substitution group for a 3-D coordinate value</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>Vector of 3 doubles</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a Value3</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>Substitution group for a 3-D coordinate error</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>3 doubles Error element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>size3Type Error element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>3x3 matrix Error element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to an Error3</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> Substitution group for a 3-D coordinate resolution </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>3 doubles Resoltuion element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>size3Type Resolution element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>3x3 matrix Resoltuion element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a Resolution3</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>Substitution group for a 3-D coordinate size</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>3 doubles Size element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>size3Type Size element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>3x3 matrix Size element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a Size3</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> Substitution group for a 3-D coordinate pixel size </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>3 doubles PixSize element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>size3Type PixSize element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>3x3 matrix PixSize element</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>IDREF to a PixSize3</xs:documentation> </xs:annotation> </xs:element> <!--3-D coordinate types--> <xs:annotation> <xs:documentation>Generic 3-D coordinate type</xs:documentation> <xs:documentation> Single CError3, CResolution3, CSize3, CPixSize3 elements indicate definite values; pairs indicate ranges </xs:documentation> </xs:annotation> <xs:complexContent> <xs:sequence> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> <!-- Coord Substitution Groups--> <xs:annotation> <xs:documentation>Coordinate substitution group</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>Generic scalar coordinate element</xs:documentation> </xs:annotation> <xs:complexType> <xs:complexContent> </xs:extension> </xs:complexContent> </xs:complexType> </xs:element> <xs:annotation> <xs:documentation>Generic string coordinate element</xs:documentation> </xs:annotation> <xs:complexType> <xs:complexContent> <xs:sequence> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> </xs:element> <xs:annotation> <xs:documentation>Generic coordinate element for pixels</xs:documentation> </xs:annotation> <xs:complexType> <xs:complexContent> <xs:sequence> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> </xs:element> <xs:annotation> <xs:documentation>Position coordinate substitution group</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>1-D Position coordinate</xs:documentation> </xs:annotation> <xs:complexType> <xs:complexContent> </xs:extension> </xs:complexContent> </xs:complexType> </xs:element> <xs:annotation> <xs:documentation>2-D Position coordinate</xs:documentation> </xs:annotation> <xs:complexType> <xs:complexContent> </xs:extension> </xs:complexContent> </xs:complexType> </xs:element> <xs:annotation> <xs:documentation>3-D Position coordinate</xs:documentation> </xs:annotation> <xs:complexType> <xs:complexContent> </xs:extension> </xs:complexContent> </xs:complexType> </xs:element> <xs:annotation> <xs:documentation>Velocity coordinate substitution group</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>1-D Velocity coordinate</xs:documentation> </xs:annotation> <xs:complexType> <xs:complexContent> </xs:extension> </xs:complexContent> </xs:complexType> </xs:element> <xs:annotation> <xs:documentation>2-D Velocity coordinate</xs:documentation> </xs:annotation> <xs:complexType> <xs:complexContent> </xs:extension> </xs:complexContent> </xs:complexType> </xs:element> <xs:annotation> <xs:documentation>3-D Velocity coordinate</xs:documentation> </xs:annotation> <xs:complexType> <xs:complexContent> </xs:extension> </xs:complexContent> </xs:complexType> </xs:element> <!--FITS file type to hold coordinate values--> <xs:annotation> <xs:documentation> Specifies a FITS file and optionally a specific HDU by HDU number or HDU name </xs:documentation> </xs:annotation> <xs:simpleContent> </xs:extension> </xs:simpleContent> </xs:complexType> <xs:annotation> <xs:documentation> Refers coordinate components to specific columns in the FITS file HDU </xs:documentation> </xs:annotation> <xs:sequence> <xs:annotation> <xs:documentation> The column name for the coordinate value; comma-separated if multi-dimensional </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> The column name for the coordinate error; comma-separated if multi-dimensional </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> The column name for the coordinate resolution; comma-separated if multi-dimensional </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> The column name for the coordinate size; comma-separated if multi-dimensional </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> The column name for the coordinate pixel size; comma-separated if multi-dimensional </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> </xs:complexType> <xs:annotation> <xs:documentation>Coordinate references to a specific FITS file</xs:documentation> </xs:annotation> <xs:sequence> </xs:sequence> </xs:complexType> <!-- Coords Types--> <xs:annotation> <xs:documentation>The generic coordsType</xs:documentation> </xs:annotation> <xs:sequence maxOccurs="unbounded" minOccurs="0"> </xs:sequence> </xs:complexType> <xs:annotation> <xs:documentation>The astronomical (STC) coordsType</xs:documentation> </xs:annotation> <xs:complexContent> <xs:sequence> <xs:complexType> <xs:complexContent> </xs:extension> </xs:complexContent> </xs:complexType> </xs:element> <xs:complexType> <xs:complexContent> </xs:extension> </xs:complexContent> </xs:complexType> </xs:element> <xs:annotation> <xs:documentation> Some or all coordinate values may be given in file </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> <xs:annotation> <xs:documentation>The pixel coordinates type</xs:documentation> </xs:annotation> <xs:complexContent> <xs:sequence maxOccurs="unbounded"> </xs:sequence> </xs:restriction> </xs:complexContent> </xs:complexType> <xs:annotation> <xs:documentation>Head element of Coords group (not abstract)</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> The coordinate element consists either of a coordinate file or a sequence of time element, spatial coordinate element, velocity element, and redshift element; the spatial and velocity elements may be scalar or vector; it needs to refer to a coordinate system </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>Contains pixel coordinates</xs:documentation> </xs:annotation> </xs:element> </xs:schema> |
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