<xs:complexType name="spaceFrameType">
<xs:annotation>
<xs:documentation>A spatial coordinate frame consists of a coordinate frame and a reference position</xs:documentation>
</xs:annotation>
<xs:complexContent>
<xs:extension base="stc:coordFrameType">
<xs:sequence>
<xs:element ref="stc:SpaceRefFrame">
<xs:annotation>
<xs:documentation>Coordinate reference frame: optional equinox with either a standard reference system (ICRS, FK5, FK4) and optional standard pole (equatorial, ecliptic, galactic, etc.), or pole (positive Z-axis) and positive X-axis direction</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element ref="stc:ReferencePosition">
<xs:annotation>
<xs:documentation>Origin of the coordinate reference frame: either a "known place" such as geocenter or barycenter, or a position defined in a known coordinate system</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="OffsetCenter" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element ref="crd:CoordValue"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element ref="stc:CoordFlavor">
<xs:annotation>
<xs:documentation>Provides the coordinate definitions: number of axes, SPHERICAL or CARTESIAN, presence of velocities, and the Doppler definitions (if needed)</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType> |
