<xs:complexType
xmlns:xs="http://www.w3.org/2001/XMLSchema" name="IVL_PQ">
<xs:complexContent>
<xs:extension base="SXCM_PQ">
<xs:choice minOccurs="0">
<xs:sequence>
<xs:element maxOccurs="1" minOccurs="1" name="low" type="IVXB_PQ">
<xs:annotation>
<xs:documentation>
The low limit of the interval.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:choice minOccurs="0">
<xs:element maxOccurs="1" minOccurs="0" name="width" type="PQ">
<xs:annotation>
<xs:documentation>
The difference between high and low boundary. The
purpose of distinguishing a width property is to
handle all cases of incomplete information
symmetrically. In any interval representation only
two of the three properties high, low, and width need
to be stated and the third can be derived.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element maxOccurs="1" minOccurs="0" name="high" type="IVXB_PQ">
<xs:annotation>
<xs:documentation>
The high limit of the interval.
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:choice>
</xs:sequence>
<xs:element maxOccurs="1" minOccurs="1" name="high" type="IVXB_PQ">
<xs:annotation>
<xs:documentation />
</xs:annotation>
</xs:element>
<xs:sequence>
<xs:element maxOccurs="1" minOccurs="1" name="width" type="PQ">
<xs:annotation>
<xs:documentation>
The difference between high and low boundary. The
purpose of distinguishing a width property is to
handle all cases of incomplete information
symmetrically. In any interval representation only
two of the three properties high, low, and width need
to be stated and the third can be derived.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element maxOccurs="1" minOccurs="0" name="high" type="IVXB_PQ">
<xs:annotation>
<xs:documentation>
The high limit of the interval.
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:sequence>
<xs:element maxOccurs="1" minOccurs="1" name="center" type="PQ">
<xs:annotation>
<xs:documentation>
The arithmetic mean of the interval (low plus high
divided by 2). The purpose of distinguishing the center
as a semantic property is for conversions of intervals
from and to point values.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element maxOccurs="1" minOccurs="0" name="width" type="PQ">
<xs:annotation>
<xs:documentation>
The difference between high and low boundary. The
purpose of distinguishing a width property is to
handle all cases of incomplete information
symmetrically. In any interval representation only
two of the three properties high, low, and width need
to be stated and the third can be derived.
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:choice>
</xs:extension>
</xs:complexContent>
</xs:complexType>