<xs:complexType name="BoundingBox">
    <xs:annotation>
        <xs:documentation xml:lang="en"><![CDATA[<html>
	A <code>BoundingBox</code> is a cuboid in space containing an
	object in 3D space completely. It is defined by min and max
	value for <em>x</em>, <em>y</em>, and <em>z</em> values of the
	bounding box. The edges of the cube are parallel to the
	coordinate axes.</html>]]></xs:documentation>
    </xs:annotation>
    <xs:attribute name="xmin" type="xs:double" use="required" />
    <xs:attribute name="xmax" type="xs:double" use="required" />
    <xs:attribute name="ymin" type="xs:double" use="required" />
    <xs:attribute name="ymax" type="xs:double" use="required" />
    <xs:attribute name="zmin" type="xs:double" use="required" />
    <xs:attribute name="zmax" type="xs:double" use="required" />
</xs:complexType>
  |