<attribute name="t" type="xsd:float" default="900" />
<attribute name="a" type="xsd:float" default="0.00" />
<attribute name="b" type="xsd:float" default="0.00" />
<attribute name="m" type="xsd:float" default="4" />
<attribute name="n" type="xsd:float" default="2" />
</complexType>