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How to convert Intergraph SmartPlant 3D to DWF (DWFx)?

PolyTrans|CAD+DCC performs mathematically precise CAD, DCC/Animation, GIS and BIM 3D file conversions into all key downstream 3D packages and file formats. Okino software is used and trusted throughout the world by many tens of thousands of 3D professionals in mission & production critical environments, backed by respectable personal support directly from our core development team.

Intergraph SmartPlant 3D

Intergraph SmartPlant 3D is Intergraph Process, Power & Marine's next-generation, data-centric, rule-driven solution for streamlining engineering design processes while preserving existing data and making it more usable/re-usable. A member of Intergraph's SmartPlant family of plant modeling software, SmartPlant 3D is a full suite of complementary software that provides all the capabilities needed to design a plant, and then keep it as-built throughout its life cycle.

Files can be exported from SmartPlant 3D as MicroStation DGN files and imported natively into Okino software via our dedicated DGN importer. It is also suggested that you read the related 'Tutorial: How to Import Massive DGN Files (PDMS Plants, Oil Refineries, etc)' section

DWF

Okino knows of the DWF file format very well as we have been involved with its evolution since the year 2000. A DWF file is nothing other than a renamed "ZIP" file which contains other internal assets such as a HOOPS HSF 3D model file and several XML files used to describe meta data and other aspects of the model. You can rename the .dwf file to .zip and then open it in any ZIP handling software.

The HSF file format was created by Ithaca Software in the mid 1980's as an efficient, light weight, compressed 3D visualization format. Thereafter it was adapted and adopted by Tech Soft 3D in the early 2000s for use by Autodesk as a "3D variation" of its prior 2D-vector-centric DWF file format (and hence how HSF became DWF). DWF/HSF is considered a "polygonal mesh" file format and not a NURBS/solids MCAD file format.

DWF attained acceptable traction after 2006 when Autodesk made it a primary conduit to export high quality 3D visualization data from its main CAD products such as AutoCAD, Navisworks, Revit and Inventor. Okino considers DWF as one of its most important non-MCAD file formats to bring in very large 3D models (such as massive oil & gas rigs, 3D plants and refineries) from these 4 aforementioned Autodesk products as well as from AVEVA PDMS software.

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DGN import converter's overview

DWF export converter's overview