The PointSimpleType is an array of three double values used to represent the Cartesian three-dimensional coordinates. The first entry in the list is the X value, the second entry is the Y value, and the third entry is the Z value.
<xs:simpleType name="PointSimpleType"><xs:annotation><xs:documentation>The PointSimpleType is an array of three double values used to represent the Cartesian three-dimensional coordinates. The first entry in the list is the X value, the second entry is the Y value, and the third entry is the Z value.</xs:documentation></xs:annotation><xs:restriction base="ListDoubleType"><xs:length value="3"/></xs:restriction></xs:simpleType>