This simple type specifies three axis-aligned planes.

This simple type's contents are a restriction of the XML Schema string datatype.

The following are possible enumeration values for this type:

The following XML Schema fragment defines the contents of this simple type:

<simpleType name="ST_ExtrusionPlane">

   <restriction base="xsd:string">

   <enumeration value="XY"/>

   <enumeration value="ZX"/>

   <enumeration value="YZ"/>

   </restriction>

</simpleType>