SpaceBoundary 

This element establishes the logical relation of a given part of the space ShellGeometry such that its PlanarGeometry is part of an interior surface bounding the space.

Element Information

Model

PlanarGeometry
Children: PlanarGeometry

Attributes

QName Type Fixed Default Use Inheritable Annotation
ifcGUID xsd:string optional 
Global Unique ID from Industry Foundation Class (IFC)
file.
isSecondLevelBoundary xsd:boolean optional 
If this attribute is set to true, the boundary is important in heat flow calculation.
oppositeIdRef xsd:IDREF optional 
If surface referenced by SpaceBoundary is adjacent to two spaces, then this references the corresponding SpaceBoundary of the opposite space.
surfaceIdRef xsd:IDREF optional 
Connects the space boundary to a surface representing a building element (or representing the open air).

Used By

Elements Building, Space

Source 

<xsd:element name="SpaceBoundary">
  <xsd:annotation>
    <xsd:documentation>This element establishes the logical relation of a given part of the space ShellGeometry such that its PlanarGeometry is part of an interior surface bounding the space.</xsd:documentation>
  </xsd:annotation>
  <xsd:complexType>
    <xsd:choice>
      <xsd:element ref="PlanarGeometry"/>
    </xsd:choice>
    <xsd:attribute name="ifcGUID" type="xsd:string" use="optional">
      <xsd:annotation>
        <xsd:documentation>Global Unique ID from Industry Foundation Class (IFC) file.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
    <xsd:attribute name="isSecondLevelBoundary" type="xsd:boolean" use="optional">
      <xsd:annotation>
        <xsd:documentation>If this attribute is set to true, the boundary is important in heat flow calculation.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
    <xsd:attribute name="surfaceIdRef" type="xsd:IDREF" use="optional">
      <xsd:annotation>
        <xsd:documentation>Connects the space boundary to a surface representing a building element (or representing the open air).</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
    <xsd:attribute name="oppositeIdRef" type="xsd:IDREF" use="optional">
      <xsd:annotation>
        <xsd:documentation>If surface referenced by SpaceBoundary is adjacent to two spaces, then this references the corresponding SpaceBoundary of the opposite space.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
  </xsd:complexType>
<