Constraint

The complex type CT_Constraint define a constraint within the layout framework. A constraint acts as a limit or sets a value to a given parameter in a diagram definition, for example, it can be used to specify that all nodes of a give point type are the same size. A constraint is defined as:

<xsd:complexType name="CT_Constraint">
  <xsd:attributeGroup ref="AG_ConstraintAttributes" />
  <xsd:attributeGroup ref="AG_ConstraintRefAttributes" />
  <xsd:attribute name="op" type="ST_BoolOperator" use="optional" 
    default="none" />
  <xsd:attribute name="val" type="xsd:double" use="optional" 
    default="0" />
  <xsd:attribute name="fact" type="xsd:double" use="optional" 
    default="1" />
</xsd:complexType>