<xs:element name="Spiral">
<xs:annotation>
<xs:documentation>An "infinite" spiral radius is denoted by the value "INF". </xs:documentation>
<xs:documentation>This conforms to XML Schema which defines infinity as "INF" or "-INF" for all numeric datatypes </xs:documentation>
</xs:annotation>
<xs:complexType>
<xs:sequence>
<xs:choice minOccurs="3" maxOccurs="3">
<xs:element ref="Start" />
<xs:element ref="PI" />
<xs:element ref="End" />
</xs:choice>
<xs:element ref="Feature" minOccurs="0" maxOccurs="unbounded" />
</xs:sequence>
<xs:attribute name="length" type="xs:double" use="required" />
<xs:attribute name="radiusEnd" type="xs:double" use="required" />
<xs:attribute name="radiusStart" type="xs:double" use="required" />
<xs:attribute name="rot" type="clockwise" use="required" />
<xs:attribute name="spiType" type="spiralType" use="required" />
<xs:attribute name="chord" type="xs:double" />
<xs:attribute name="constant" type="xs:double" />
<xs:attribute name="desc" type="xs:string" />
<xs:attribute name="dirEnd" type="direction" />
<xs:attribute name="dirStart" type="direction" />
<xs:attribute name="name" type="xs:string" />
<xs:attribute name="theta" type="angle" />
<xs:attribute name="totalY" type="xs:double" />
<xs:attribute name="totalX" type="xs:double" />
<xs:attribute name="staStart" type="xs:double" />
<xs:attribute name="state" type="stateType" />
<xs:attribute name="tanLong" type="xs:double" />
<xs:attribute name="tanShort" type="xs:double" />
<xs:attribute name="oID" type="xs:string" />
</xs:complexType>
</xs:element>
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