6.2.2.4 IfcFlowDirectionEnum
6.2.2.4.1 Semantic definition
This enumeration defines the flow direction at a distribution port.
- For pipe-based ports, the direction is the physical flow direction.
- For duct-based ports, the direction is the physical flow direction.
6.2.2.4.2 Type values
| Type | Description |
|---|---|
SINK
|
A flow sink, where a substance flows into the connection. |
SOURCE
|
A flow source, where a substance flows out of the connection. |
SOURCEANDSINK
|
Both a source and sink, where a substance flows both into and out of the connection simultaneously. |
NOTDEFINED
|
Undefined flow direction. |
6.2.2.4.3 Formal representation
TYPE IfcFlowDirectionEnum = ENUMERATION OF
(SINK
,SOURCE
,SOURCEANDSINK
,NOTDEFINED);
END_TYPE;