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SteelVis - NIST CIS/2 to VRML and IFC Translator (aka CIS/2 Viewer)
The IFC files can imported into many IFC viewers and CAD programs. The IFC file can be converted to a DWG file with the DDS-CAD Viewer and imported into AutoCAD. IFC files can be imported directly to Google SketchUp with the IFC2SKP plugin. The IFC file can also be converted to a Google Earth KMZ file with IfcStoreyView. Research about developing an IFC to CIS/2 translator was done at Georgia Tech. There is no VRML to CIS/2 or IFC converter. NIST has also developed an IFC File Analyzer (zip file) that generates a spreadsheet from an IFC file. What do the acronyms stand for: CIS/2 - CIMsteel Integration Standards, IFC - Industry Foundation Classes, VRML - Virtual Reality Modeling Language Read and join the CIS/2 Google Group |
NIST Presentations, Papers, Software
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Related NIST Research
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CIS/2 has been implemented as a file import or export capability by many steel design, analysis, engineering, fabrication, and construction software packages. A CIS/2 file exported by an analysis or design program could be imported into a detailing program to detail the connections. CIS/2 itself is not a software package that you buy. The user will see it as file format, just like DXF is a file format, that is imported or exported in a steel related CAD software. The CIS/2 standard covers everything from nuts and bolts to materials and loads to frames and assemblies. Structures can be represented as analysis, design, or manufacturing (detailed) models. There is a logical relationship between the different types of models. For example, a beam in an analysis model that has to be subdivided for analysis is logically only one beam in the detailed model. The use of CIS/2 and the Industry Foundation Classes (IFC) is an important part of improving the delivery of structural steel projects in the steel supply chain. It can eliminate the redundant and error-prone reentry of information. Interoperability between different CAD software packages using CIS/2 and IFC is also a key driver of Building Information Modeling (BIM). CIS/2 was not developed by NIST or AISC, rather, NIST served on the AISC's EDI Review Team that chose CIS/2 as the standard for structural steel project information. CIS/2 was developed by Andrew Crowley and Alastair Watson at the Steel Construction Institute (UK). NIST has helped software vendors implement the standard and helped steel designers, detailers, and fabricators use the standard. SteelVis was developed by NIST. Georgia Tech has also done research related to CIS/2.
VRML Models generated from CIS/2 Files![]()
Benefits of viewing VRML models of CIS/2 files
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Design Data SDS/2The VRML models below were generated from CIS/2 files exported by SDS/2 steel detailing software from Design Data.
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Tekla Structures (Xsteel)The VRML models below were generated from CIS/2 files exported by Tekla Structures from Tekla.Tekla also has a Web Viewer to view models. Tekla Structures also supports IFC.
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Autodesk Revit StructureThe VRML models below were generated from CIS/2 files exported by Revit Structure from Autodesk.The Revit Structure CIS/2 import and export translator is available here. Revit Structure also supports IFC.
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Autodesk Robot Structural Analysis and Robot MillenniumThe VRML models below were generated from CIS/2 files exported by Robot Structural Analysis (formerly Robot Millennium) from Autodesk.
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Bentley RAM Steel and RAM CADstudioThe VRML models below were generated from CIS/2 files exported by RAM Steel and RAM CADstudio from Bentley
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Bentley STAAD.ProThe VRML models below were generated from CIS/2 files exported by STAAD.Pro from Bentley. (CIS/2 Export in STAAD)
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Bentley StructuralThe VRML models below were generated from CIS/2 files exported by Bentley Structural from Bentley. Bentley Structural also supports IFC. (Viewing CIS/2 Files)
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Computers & Structures ETABS and SAP2000The VRML models below were generated from CIS/2 files exported by SAP2000 and ETABS from Computers & Structures. ETABS and SAP2000 also support IFC. (ETABS CIS/2 Tutorial)
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Intergraph SmartPlant 3D and FrameWorks PlusThe VRML models below were generated from CIS/2 files exported by SmartPlant 3D and FrameWorks Plus steel design software from Intergraph.
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AceCad StruCadThe VRML model below was generated from CIS/2 files exported by StruCad steel detailing software from AceCad. StruM.I.S also supports CIS/2.
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RISA-3DThe VRML models below were generated from CIS/2 files exported by RISA-3D from RISA Technologies. (CIS/2 Translator Reference)
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GTSTRUDLThe VRML models below were generated from CIS/2 files exported by GT STRUDL.
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Graitec Advance SteelThe VRML models below were generated from CIS/2 files exported by Advance Steel from Graitec. Advance Steel also supports IFC.
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Steel Construction InstituteThe VRML models below were generated from CIS/2 files that were generated by hand at the Steel Construction Institute.
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CIS/2 import and/or export is also supported by: (Check with the software vendors for complete details)
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![]() X3D Models generated from CIS/2 Files |
The following X3D models can be displayed with
X3D plugin and software such as:
Octaga Player or
BS Contact. The corresponding VRML models can be found above.
The X3D models were created by translating the VRML to X3D.
X3D Models: AISC_Sculpture.x3d, Bentley1.x3d, CADstudio.x3d, DAM.x3d, GoldenGate.x3d, NIST_ECS.x3d, RAM4.x3d, TrainingStructure.x3d
This software was developed at the National Institute of Standards and Technology by employees of the Federal Government in the course of their official duties. Pursuant to Title 17 Section 105 of the United States Code this software is not subject to copyright protection and is in the public domain. This software is an experimental system. NIST assumes no responsibility whatsoever for its use by other parties, and makes no guarantees, expressed or implied, about its quality, reliability, or any other characteristic. We would appreciate acknowledgement if the software is used. This software can be redistributed and/or modified freely provided that any derivative works bear some notice that they are derived from it, and any modified versions bear some notice that they have been modified. By selecting some of the links above, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. The original URL for this page is http://cic.nist.gov/vrml/cis2.html |
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Date created: February 1, 2001 |
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