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Summary


  • Export CIM object as a IFC (*.ifc).

How to Run


  • File Menu > Export > IFC

Explanation


Export IFC Files

Export as a *.ifc file which is a neutral 3D Modeling file.

  • Export as a IFC 4.0 version file.

  • [Select Target]
    Select range of objects to export.

    • All in Current Mode : Export all objects in the current mode.

    • Selected Objects Only : Export selected objects only.

 Detailed description (IFC Entity compatibility)
  • An entity is simply a nomenclature.

    • Example: CIM’s “Beam” is interchangeable as IFC’s “IfcBeam” entity.

  • The following table represents IFC’s equivalent of CIM’s entity.

CIM Entity

IFC Entity

Beam

IfcBeam

Bolt / Anchorage / Feature

IfcBuildingElementProxy

Brace

IfcBeam

Column

IfcColumn

General Member

Various

Layout Path / Elastic Link

IfcBuildingElementProxy

Rebar

IfcReinforcingBar

Slab

IfcSlab

Solid Member

Various

Stiffener

IfcBuildingElementProxy

Tendon

IfcReinforcingBar (IfcTendon is also possible)

Void / Profile / Section Line

-

Wall

IFCWall

  • [Categorize Target]

    • None : Form a IFC file classification system based on CIM object type.

    • Structure : Form a IFC file classification system based on structure information.

  • [Geometric Representation]
    Select the Geometry Type for representation when converting a CIM 3D object to an IFC object.

    • Curved Member : Sets the Geometry Type for a Curved Member.

      • Swept Area Solid(Recommended) : Sweeps a surface profile along a line curve to form a solid.

      • Faceted Solid : Converts a curved surface to a triangular tessellation format.
        (Used to interchange with softwares that do not support Swept Area Solid.)

    • Curved Face : Sets the Geometry Type for a Curved Face.

      • Curved Surface : Converts to a Curved Surface Type that IFC supports.

      • Faceted Face : Converts a curved surface to a triangular tessellation format.

    • B-Spline Path : Sets the Geometry Type for a member with B-spline path.

      • B-Spline : Converts to a B-Spline geometry type.

      • B-Spline with knot : Converts to a B-Spline with knot geometry type.

      • Poly line : Converts to a poly line geometry type.

    • Primitive Solid : Sets Geometry Type for a primitive solid.

      • CSG 3D : Converts to a three-dimensional figure that can be represented by a few dimensions. Cylinder / Pipe / Sphere / Cone / Block are supported.

      • Extruded Solid(Recommended) : Converts a surface profile into an extrusion at a specified direction. This is suitable for straight line members.

      • Faceted Solid : Converts a curved surface to a triangular tessellation format.
        (Used to interchange with softwares that do not support CSG 3D / Extruded Solid)

    • Rebar : Sets the Geometry Type of the converted Rebar object.

      • Wire Body : Exports the Renar object as a curve. Polyline, Circle, Arc, Ellipse, Elliptic arc, Bspline are supported.

      • Swept Disk Solid(Recommended) : Converts to a swept shape a from Circle/Pipe Profile along a curved line. 3-Dimensional Path is supported.

      • Swept Area Solid : Swept Disk Solid(Recommended) : Converts to a swept shape from a Surface Profile along a curved line. Only 2-Dimensional Path is supported.

      • Faceted Solid : Converts curves into triangular Tessellation.
        (Used to interchange with softwares that do not support Wire Body / Swept Disk Solid / Swept Area Solid.)

    • Tendon : Tendon : Sets the Geometry Type of the converted Tendon object.

      • Wire Body : Exports the Tendon object as a curve. Polyline, Circle, Arc, Ellipse, Elliptic arc, Bspline are supported.

      • Swept Disk Solid(Recommended) : Converts to a swept shape from a Circle/Pipe Profile along a curved line. 3-Dimensional Path is supported.

      • Swept Area Solid : Swept Disk Solid(Recommended) : Converts to a swept shape from a Surface Profile along a curved line. Only 2-Dimensional Path is supported.

      • Faceted Solid : Converts curves into triangular Tessellation.
        (Used to interchange with softwares that do not support Wire Body / Swept Disk Solid / Swept Area Solid.)

    • Template Section : Sets the Geometry Type of an object that uses a template section.

      • Parameterized Profile(Recommended) : Creates object using the IFC template profile.

      • Arbitrary Closed Profile : Create objects using closed Profile different typles of curves (Polyline / Circle / Arc etc.)

  • [Tessellation]
    Sets the angle of a triangle in a Tessellation on objects created through the Faceted method.

  • [Option]

    • Export Tendon : Exports the Tendon object.

    • Export Stiffener : Exports the Stiffner object.

    • Export Wire Body : Exports Wire Body.

    • Export Property : Exports property information of the object.

    • Export Material : Exports material information of the object.

    • Export Color : Exports the color information of the object.

 Example of Exporting a 3D PDF file

An IFC file is a neutral file format that enables compatibility and viewing with othre MIDAS products as well as other third-party softwares. The following is an example of a result from exporting and running a midas CIM model as an IFC file.

  • midas CIM


  • IFC file

Reference Materials


  • Link to Reference Materials

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