#### 8.6.3.4 IfcCartesianPointList

| Liste de points cartésiens
| Liste von Kartesischen Punkten

The IfcCartesianPointList is the abstract supertype of list of points.

> NOTE The IfcCartesianPointList is introduced to provide a compact representation of potentially large list of points, such as in point clouds, and in indexable representation of points.

> HISTORY New entity in IFC4.

XSD Specification:

<xs:element name="IfcCartesianPointList" type="ifc:IfcCartesianPointList" abstract="true" substitutionGroup="ifc:IfcGeometricRepresentationItem" nillable="true"/>
<xs:complexType name="IfcCartesianPointList" abstract="true">
<xs:complexContent>
<xs:extension base="ifc:IfcGeometricRepresentationItem"/>
</xs:complexContent>
</xs:complexType>

EXPRESS Specification:

ENTITY IfcCartesianPointList

| ABSTRACT SUPERTYPE OF(IfcCartesianPointList3D)

| SUBTYPE OF (IfcGeometricRepresentationItem);

END_ENTITY;

Inheritance Graph:

ENTITY IfcCartesianPointList

| ENTITY IfcRepresentationItem

| INVERSE

LayerAssignment | : | SET [0:1] OF IfcPresentationLayerAssignment FOR AssignedItems;
StyledByItem | : | SET [0:1] OF IfcStyledItem FOR Item;

| ENTITY IfcGeometricRepresentationItem

| ENTITY IfcCartesianPointList

END_ENTITY;

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