![]() Standard Industry Foundation Classes (IFC) Modelįrom the perspective of an AEC professional the ideal format is one that can communicate 2D and 3D information that any recipient can consistently view without misappropriating the author's intellectual property. No compatibility across different software platforms.Propriety Building Information (BIM) Model Standard 2D/3D CAD format (DXF, OpenDWG, OpenDGN) Conveys the entire digital model rather than a subset identified by the author.Potential for inconsistent display of design data.Limited/no compatibility across different software platforms.Consistent display of design elements across platforms.Limited/no intellectual property protection.Relatively consistent display across platforms.The unfortunate dilemma faced by AEC professionals is exactly what format to use when exchanging such information? There are a broad range of potential formats currently available but they all have their limitations as illustrated in the table below. Central to this collaboration is the 2D documentation and 3D models that visually describe the outcomes of this design process. ![]() With the rapid adoption of the Internet within business AEC professionals are conducting an ever growing portion of their design collaboration online. Unlike pure data formats such as DXF, DWG and DGN goal of a design information exchange format is to provide AEC professionals with the ability to deliver digital building design information safe in the knowledge that any recipient will accurately experience the design in the manner intended by the author. However things are beginning to change with a battle brewing between Autodesk's DWF and Adobe's 3D enhanced PDF. Unlike many AEC data format categories what constitutes the dominant 2D/3D design information exchange format has yet to be decided. Looking at McDwiff and Project Freewheel got me thinking about Autodesk's direction when it comes to DWF. ![]()
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