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  • #CV-2x3-158 — Welcome to buildingSMART-Tech.org
    view version 2 0 date September 2010 initiator official buildingSMART certification 2 0 program summary agreement that element parts in element containers shall not be individually contained within the spatial structure Description If an IfcElement is a part of another IfcElement through the relationship IfcRelAggregates then it shall not be directly included in the spatial structure through the relationship IfcRelContainedInSpatialStructure Example An IfcCurtainWall the container has components defined as IfcPlate and IfcMember the parts The parts are assigned to the container by the IfcRelAggregates relationship The parts shall not be included in an IfcRelContainedInSpatialStructure relationship that would associate them to the spatial structure e g to an IfcBuildingStory Only the container is required to have an IfcRelContainedInSpatialStructure relationship added 27 02 2013 Any IfcElement that is not included in an aggregate structure through the relationship IfcRelAggregates shall be assigned to the spatial structure through the relationship IfcRelContainedInSpatialStructure Previous CV 2x3 157 Next CV 2x3 159 Implementation get involved first steps and tools IFC2x3 impl guidance IFC Impl Agreements CV 2x3 158 IFC Impl Guide IFC Header Guide IFC4 impl guidance Implementer s community accompanying documents frequently asked questions Implementations Search Advanced Search IFC Dev Blog IFC Dev Blog More Registration

    Original URL path: http://www.buildingsmart-tech.org/implementation/ifc-implementation/ifc-impl-agreements/cv-2x3-158 (2016-02-11)
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  • #CV-2x3-159 — Welcome to buildingSMART-Tech.org
    is assigned to an IfcElement using the IfcRelVoidsElement relationship shall not be directly included in the spatial structure through the relationship IfcRelContainedInSpatialStructure A filling within the opening however is included in the spatial structure through the relationship IfcRelContainedInSpatialStructure Example The wall has a door opening The applicable relationships are shown in the figure below Previous CV 2x3 158 Next CV 2x3 160 Implementation get involved first steps and tools IFC2x3

    Original URL path: http://www.buildingsmart-tech.org/implementation/ifc-implementation/ifc-impl-agreements/cv-2x3-159 (2016-02-11)
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  • #CV-2x3-160 — Welcome to buildingSMART-Tech.org
    container Description If an IfcElement is a part of another IfcElement the container through the relationship IfcRelAggregates then the relative placement of that IfcElement shall be provided by an IfcLocalPlacement with an PlacementRelTo attribute pointing to the IfcLocalPlacement of the container element Previous CV 2x3 159 Next CV 2x3 161 Implementation get involved first steps and tools IFC2x3 impl guidance IFC Impl Agreements CV 2x3 160 IFC Impl Guide IFC

    Original URL path: http://www.buildingsmart-tech.org/implementation/ifc-implementation/ifc-impl-agreements/cv-2x3-160 (2016-02-11)
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  • #CV-2x3-161 — Welcome to buildingSMART-Tech.org
    applicable geometric items to be used for axis representation number CV 2x3 161 based on IFC2x3 effects Coordination view version 2 0 date September 2010 initiator official buildingSMART certification 2 0 program summary agreement on applicable geometric items to be used for axis representation Description Only the following geometric representation items are allowed as an Axis shape representation of IfcWall and IfcWallStandardCase linear segment as IfcPolyline with two points or as IfcTrimmedCurve with BasisCurve being an IfcLine circular arc segment as IfcTrimmedCurve with BasisCurve being an IfcCircle Note An Axis shape representation is mandatory IfcWallStandardCase and optional for IfcWall added 16 07 2011 An Axis shape representation is also optional for IfcBeam IfcColumn IfcMember The requirements shown above do not apply for these elements Previous CV 2x3 160 Next CV 2x3 162 Implementation get involved first steps and tools IFC2x3 impl guidance IFC Impl Agreements CV 2x3 161 IFC Impl Guide IFC Header Guide IFC4 impl guidance Implementer s community accompanying documents frequently asked questions Implementations Search Advanced Search IFC Dev Blog IFC Dev Blog More Registration This site contains content which is only available to registered users To get access to the content you must be a registered user

    Original URL path: http://www.buildingsmart-tech.org/implementation/ifc-implementation/ifc-impl-agreements/cv-2x3-161 (2016-02-11)
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  • #CV-2x3-162 — Welcome to buildingSMART-Tech.org
    the Angle attribute of IfcRevolvedAreaSolid the agreements are made the value range of Angle is 0 exclusive 360 inclusive if the unit type is degree or 0π exclusive 2π inclusive if the unit type is RADIAN therefore all values have to be positive Previous CV 2x3 161 Next CV 2x3 163 Implementation get involved first steps and tools IFC2x3 impl guidance IFC Impl Agreements CV 2x3 162 IFC Impl Guide

    Original URL path: http://www.buildingsmart-tech.org/implementation/ifc-implementation/ifc-impl-agreements/cv-2x3-162 (2016-02-11)
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  • #CV-2x3-163 — Welcome to buildingSMART-Tech.org
    buildingSMART certification 2 0 program summary agreement on the minimum set of default units to be defined within the project context Description The following units need to be defined as a minimum at IfcProject UnitsInContext length unit plane angle unit area unit volume unit Units can either be provided as SI units using IfcSIUnit or as derived imperial units using IfcComversionBasedUnit For IfcSiUnit s the Name attribute and Prefix attribute shall agree to the units shown below For IfcConversionBasedUnit s the Name attribute shall only have one of the string values shown below The following units are supported length unit for metric units m mm cm for imperial units inch foot area unit for metric units m2 mm2 cm3 for imperial units square inch square foot volume unit for metric units m3 cm3 mm3 for imperial units cubic inch cubic foot plane angle unit for metric units radian degree for imperial units radian degree Previous CV 2x3 162 Next CV 2x3 164 Implementation get involved first steps and tools IFC2x3 impl guidance IFC Impl Agreements CV 2x3 163 IFC Impl Guide IFC Header Guide IFC4 impl guidance Implementer s community accompanying documents frequently asked questions Implementations Search Advanced Search IFC

    Original URL path: http://www.buildingsmart-tech.org/implementation/ifc-implementation/ifc-impl-agreements/cv-2x3-163 (2016-02-11)
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  • #CV-2x3-164 — Welcome to buildingSMART-Tech.org
    the correct use of shape representation types for elements and its features openings projections number CV 2x3 164 based on IFC2x3 effects Coordination view version 2 0 date September 2010 initiator official buildingSMART certification 2 0 program summary agreement on the correct use of shape representation types for elements and its features openings projections Description For applying features to an element using the Boolean Difference implied by IfcRelVoidsElement or the Boolean Union implied by IfcRelProjectsElement it has to be ensured that both the relating element subtype of IfcElement and the related feature IfcOpeningElement or IfcProjectionElement shall have a Body shape representation the Body shape representation shall be a true solid the use of SurfaceModel geometry e g IfcShallBasedSurfaceModel or IfcFaceBasedSurfaceModel is not allowed Previous CV 2x3 163 Next CV 2x3 165 Implementation get involved first steps and tools IFC2x3 impl guidance IFC Impl Agreements CV 2x3 164 IFC Impl Guide IFC Header Guide IFC4 impl guidance Implementer s community accompanying documents frequently asked questions Implementations Search Advanced Search IFC Dev Blog IFC Dev Blog More Registration This site contains content which is only available to registered users To get access to the content you must be a registered user Please

    Original URL path: http://www.buildingsmart-tech.org/implementation/ifc-implementation/ifc-impl-agreements/cv-2x3-164 (2016-02-11)
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  • #CV-2x3-165 — Welcome to buildingSMART-Tech.org
    export the profile cross section name for beams columns and members Description The profile name is an important information for the design of beams columns and members Therefore this information if available shall be exported within the IFC file for the coordination view The export depends on the geometry used for the beam column and member For beams columns and members with Body representation of type SweptSolid or Clipping the profile name is stored in IfcProfileDef Name in addition it can be provided as shown below For beams columns and members with Body representation of type Brep or SurfaceModel the profile name is stored as name of the beam column member type i e IfcBeamType Name or IfcColumnType Name or IfcMemberType Name or if export of types is not supported the profile name is stored as construction type in Pset BeamCommon Reference or Pset ColumnCommon Reference or Pset MemberCommon Reference This implementer agreement extends the previous agreement CV 2x3 137 Previous CV 2x3 164 Next CV 2x3 166 Implementation get involved first steps and tools IFC2x3 impl guidance IFC Impl Agreements CV 2x3 165 IFC Impl Guide IFC Header Guide IFC4 impl guidance Implementer s community accompanying documents frequently asked

    Original URL path: http://www.buildingsmart-tech.org/implementation/ifc-implementation/ifc-impl-agreements/cv-2x3-165 (2016-02-11)
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