Bright star catalogue: DFDL description

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comment Byte layout of "Bright star catalogue" as a DFDL description.
label Bright star catalogue: DFDL description
specificationLanguage DFDL
specificationText <?xml version="1.0" encoding="UTF-8"?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:dfdl="http://www.ogf.org/dfdl/dfdl-1.0/" xmlns:fn="http://www.w3.org/2005/xpath-functions" targetNamespace="urn:archive-manager:format:bright_star_catalogue" xmlns:tns="urn:archive-manager:format:bright_star_catalogue" elementFormDefault="qualified"> <xs:include schemaLocation="/org/apache/daffodil/xsd/DFDLGeneralFormat.dfdl.xsd"/> <xs:annotation> <xs:appinfo source="http://www.ogf.org/dfdl/"> <dfdl:defineFormat name="binaryDefaults"> <dfdl:format ref="tns:GeneralFormat" representation="binary" byteOrder="bigEndian" binaryNumberRep="binary" lengthUnits="bytes" lengthKind="explicit" encoding="US-ASCII" occursCountKind="implicit" documentFinalTerminatorCanBeMissing="yes"/> </dfdl:defineFormat> <dfdl:format ref="tns:binaryDefaults"/> </xs:appinfo> </xs:annotation> <xs:annotation> <xs:documentation>A binary catalogue of bright stars: one fixed-length record per star, big-endian, to the end of the file.</xs:documentation> </xs:annotation> <xs:element name="bright_star_catalogue" dfdl:lengthKind="implicit"> <xs:complexType> <xs:sequence> <xs:element name="star" dfdl:lengthKind="implicit" minOccurs="0" maxOccurs="unbounded" dfdl:occursCountKind="implicit"> <xs:annotation> <xs:documentation>Star: One star of the catalogue.</xs:documentation> <xs:appinfo source="http://www.ogf.org/dfdl/"><dfdl:assert testKind="pattern" testPattern="(?s)." message="No data left"/></xs:appinfo> </xs:annotation> <xs:complexType> <xs:sequence> <xs:element name="name" type="xs:string" dfdl:representation="text" dfdl:length="12"> <xs:annotation> <xs:documentation>Star name: Common name, padded with spaces.</xs:documentation> </xs:annotation> </xs:element> <xs:element name="ra" type="xs:double" dfdl:length="8"> <xs:annotation> <xs:documentation>Right ascension (deg): Right ascension, ICRS, epoch J2000. Valid range: 0 to 360.</xs:documentation> </xs:annotation> </xs:element> <xs:element name="dec" type="xs:double" dfdl:length="8"> <xs:annotation> <xs:documentation>Declination (deg): Declination, ICRS, epoch J2000. Valid range: -90 to 90.</xs:documentation> </xs:annotation> </xs:element> <xs:element name="vmag" type="xs:float" dfdl:length="4"> <xs:annotation> <xs:documentation>Visual magnitude (mag): Apparent magnitude in the Johnson V band.</xs:documentation> </xs:annotation> </xs:element> <xs:element name="parallax" type="xs:float" dfdl:length="4"> <xs:annotation> <xs:documentation>Parallax (mas): Trigonometric parallax. Valid range: 0 to .</xs:documentation> </xs:annotation> </xs:element> </xs:sequence> </xs:complexType> </xs:element> </xs:sequence> </xs:complexType> </xs:element> </xs:schema>

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