<arc>

<arc> encodes an arc, the connection from one node to another in a graph. 19.1 Graphs and Digraphs
Modulnets — 19 Graphs, Networks, and Trees
Attribute
fromgives the identifier of the node which is adjacent from this arc.
Zustand Obligatorisch
Datentyp 

<rng:ref name="data.pointer"/>
data.pointer
Werte The identifier of a node.
togives the identifier of the node which is adjacent to this arc.
Zustand Obligatorisch
Datentyp 

<rng:ref name="data.pointer"/>
data.pointer
Werte The identifier of a node.
Verwendet vongraph
Kann enthalten
core: label
Deklaration

<rng:element name="arc">
<rng:ref name="att.global.attributes"/>
<rng:attribute name="from">
 <rng:ref name="data.pointer"/>
</rng:attribute>
<rng:attribute name="to">
 <rng:ref name="data.pointer"/>
</rng:attribute>
<rng:optional>
 <rng:ref name="label"/>
 <rng:optional>
  <rng:ref name="label"/>
 </rng:optional>
</rng:optional>
</rng:element>
element arc
{
   att.global.attributes,
   attribute from { data.pointer },
   attribute to { data.pointer },
   ( label, label? )?
}
Beispiel
<arc from="#T3" to="#T3">
 <label>OLD</label>
 <label>VIEUX</label>
</arc>