4.1.7.1.8.2 FootPrint GeomSet Geometry
The 'FootPrint GeomSet Geometry' is the standard representation for the floor plan projection of the geometric representation of elements, comprising of mainly 2D curves
The following attribute values for the IfcShapeRepresentation holding this geometric representation are used:
The following diagram shows the generic classes and relationships used when applying this concept.
In addition, concepts may have particular importance to common or standardised industry practices and scenarios. For these specific usage scenarios, the table below shows a recommended list of general usage patterns that users may adopt.
G
IfcProduct
IfcProduct
1. GlobalId
[1:1]
2. OwnerHistory
[0:1]
3. Name
[0:1]
4. Description
[0:1]
HasAssignments
[0:?]
Nests
[0:1]
IsNestedBy
[0:?]
HasContext
[0:1]
IsDecomposedBy
[0:?]
Decomposes
[0:1]
HasAssociations
[0:?]
5. ObjectType
[0:1]
IsDeclaredBy
[0:1]
Declares
[0:?]
IsTypedBy
[0:1]
IsDefinedBy
[0:?]
6. ObjectPlacement
[0:1]
7. Representation
[0:1]
ReferencedBy
[0:?]
PositionedRelativeTo
[0:?]
ReferencedInStructures
[0:?]
IfcProductDefinitionShape
IfcProductDefinitionShape
1. Name
[0:1]
2. Description
[0:1]
3. Representations
[1:?]
ShapeOfProduct
[1:?]
HasShapeAspects
[0:?]
IfcProduct :Representation1->IfcProductDefinitionShape :IfcProductDefinitionShape0
IfcShapeRepresentation
IfcShapeRepresentation
1. ContextOfItems
[1:1]
Identifier
2. RepresentationIdentifier
[0:1]
Type
3. RepresentationType
[0:1]
Items
4. Items
[1:?]
RepresentationMap
[0:1]
LayerAssignments
[0:?]
OfProductRepresentation
[0:?]
OfShapeAspect
[0:1]
IfcProductDefinitionShape :Representations1->IfcShapeRepresentation :IfcShapeRepresentation0
IfcLabel_0
IfcLabel
IfcShapeRepresentation :RepresentationIdentifier1->IfcLabel_0:IfcLabel0
IfcGeometricRepresentationContext
IfcGeometricRepresentationContext
1. ContextIdentifier
[0:1]
2. ContextType
[0:1]
RepresentationsInContext
[0:?]
3. CoordinateSpaceDimension
[1:1]
4. Precision
[0:1]
5. WorldCoordinateSystem
[1:1]
6. TrueNorth
[0:1]
HasSubContexts
[0:?]
HasCoordinateOperation
[0:1]
IfcShapeRepresentation :ContextOfItems1->IfcGeometricRepresentationContext :IfcGeometricRepresentationContext0
IfcLabel_1
IfcLabel
IfcShapeRepresentation :RepresentationType1->IfcLabel_1:IfcLabel0
IfcGeometricCurveSet
IfcGeometricCurveSet
LayerAssignment
[0:1]
StyledByItem
[0:1]
1. Elements
[1:?]
IfcShapeRepresentation :Items1->IfcGeometricCurveSet :IfcGeometricCurveSet0
constraint_0
=FootPrint
IfcLabel_0->constraint_0
constraint_1
=GeometricCurveSet
IfcLabel_1->constraint_1
Figure 4.1.7.1.8.2.A
General UsageTable 4.1.7.1.8.2.B