注:定义符合ISO/CD 10303-46:1992

外部定义的图案填充样式是对图案填充样式进行外部参照的实体。

注意:名称源和项引用的允许值需要由实现者协议确定,通过这些值可以标识外部定义的填充样式。

注:对应ISO 10303名称:填充\样式\选择。正式标准的最终定义请参考ISO/IS 10303-46:1994。

IFC2x2中增加的新实体。

 

IfcExternallyDefinedHatchStyle_ide

 

 

Attribute inheritance


#

Attribute

Type

Cardinality

Description

C

IfcExternalReference

1

Location

​IfcURIReference​

[0:1]

Location, where the external source (classification, document or library) can be accessed by electronic means. The electronic location is provided as an URI, and would normally be given as an URL location string.

X

2

Identification

​IfcIdentifier​

[0:1]

The Identification provides a unique identifier of the referenced item within the external source (classification, document or library). It may be provided as

  • a key, e.g. a classification notation, like NF2.3
  • a handle
  • a uuid or guid

It may be human readable (such as a key) or not (such as a handle or uuid) depending on the context of its usage (which has to be determined by local agreement).

X

3

Name

​IfcLabel​

[0:1]

Optional name to further specify the reference. It can provide a human readable identifier (which does not necessarily need to have a counterpart in the internal structure of the document).

X

 

ExternalReferenceForResources

​IfcExternalReferenceRelationship​​@RelatingReference

S[0:?]

Reference to all associations between this external reference and objects within the ​​IfcResourceObjectSelect​​ that are tagged by the external reference.

X

​IfcExternallyDefinedHatchStyle​


 

 

EXPRESS Specification



ENTITY IfcExternallyDefinedHatchStyle
SUBTYPE OF (IfcExternalReference);
END_ENTITY;