The file format of 3DCube is inherited from the Diagram Server project. Here is its Backus-Naur like description:
graph ::= '(' schema-model-id ' '
node-list ' '
edge-list ' '
diagram-list ')'
node-list ::= '(' [ node { ' ' node } ] ')'
node ::= '(' node-id ' '
node-model-id ' '
status-model-id ' '
label-text-list ')'
label-text-list ::= '(' [ label-text { ' ' label-text } ] ')'
label-text ::= '(' label-model-id ' ' text ')'
edge-list ::= '(' [ edge { ' ' edge } ] ')'
edge ::= '(' edge-id ' '
from-node-id ' '
to-node-id ' '
edge-model-id ' '
status-model-id ' '
label-text-list ')'
diagram-list ::= '(' [ diagram { ' ' diagram } ] ')'
diagram ::= '(' diagram-id ')'
schema-model-id ::= id
node-model-id ::= id
edge-model-id ::= id
status-model-id ::= id
label-model-id ::= id
node-id ::= id
edge-id ::= id
diagram-id ::= id
id ::= string
text ::= string
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As an example, consider the following pair of textual file and corresponding graph
(7)-----(8)
/| /|
/ | / |
(2)-----(1) |
| | | |
| (6)---|-(5)
| / | /
|/ |/
(3)-----(4)
( 3Ddefault
(
( 1 node normal ( ( name 1 ) ) )
( 2 node normal ( ( name 2 ) ) )
( 3 node normal ( ( name 3 ) ) )
( 4 node normal ( ( name 4 ) ) )
( 5 node normal ( ( name 5 ) ) )
( 6 node normal ( ( name 6 ) ) )
( 7 node normal ( ( name 7 ) ) )
( 8 node normal ( ( name 8 ) ) )
)
(
( first 1 2 undirect normal ( ( activity 1 ) ) )
( second 1 4 undirect normal ( ( activity 1 ) ) )
( third 1 8 undirect normal ( ( activity 1 ) ) )
( fourth 2 3 undirect normal ( ( activity 1 ) ) )
( fifth 2 7 undirect normal ( ( activity 1 ) ) )
( sixth 3 4 undirect normal ( ( activity 1 ) ) )
( seventh 3 6 undirect normal ( ( activity 1 ) ) )
( eight 4 5 undirect normal ( ( activity 1 ) ) )
( ninth 5 6 undirect normal ( ( activity 1 ) ) )
( tenth 5 8 undirect normal ( ( activity 1 ) ) )
( eleventh 6 7 undirect normal ( ( activity 1 ) ) )
( twelfth 7 8 undirect normal ( ( activity 1 ) ) )
)
( )
)
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