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IfcMaterial

Definition from IAI: A homogeneous substance that can be used to form elements.

NOTE  In this IFC Release only isotropic materials are allowed for. In future releases also anisotropic materials and their usage may be considered.
HISTORY  New entity in IFC1.0
IFC2x Edition 3 CHANGE  The inverse attribute HasRepresentation has been added. Upward compatibility for file based exchange is guaranteed.

EXPRESS specification:

ENTITY IfcMaterial;
Name  :  IfcLabel;
INVERSE
HasRepresentation  :  SET [0:1] OF IfcMaterialDefinitionRepresentation FOR RepresentedMaterial;
ClassifiedAs  :  SET [0:1] OF IfcMaterialClassificationRelationship FOR ClassifiedMaterial;
END_ENTITY;

Attribute definitions:

Name  :  Name of the material.
HasRepresentation  :  Reference to the IfcMaterialDefinitionRepresentation that provides presentation information to a representation common to this material in style definitions.
IFC2x Edition 3 CHANGE  The inverse attribute HasRepresentation has been added.
ClassifiedAs  :  Reference to the relationship pointing to the classification(s) of the material.

Inheritance graph

ENTITY IfcMaterial;
ENTITY IfcMaterial;
Name  :  IfcLabel;
INVERSE
HasRepresentation  :  SET [0:1] OF IfcMaterialDefinitionRepresentation FOR RepresentedMaterial;
ClassifiedAs  :  SET [0:1] OF IfcMaterialClassificationRelationship FOR ClassifiedMaterial;
END_ENTITY;