This application provides an alternate user interface for the export of IFC files from Revit. This new user interface offers additional options not provided in the standard Revit user interface, and provides the ability to store setup configurations into the Revit model for reuse.
This application provides an alternate user interface for the export of IFC files from Revit. This new user interface offers additional options not provided in the standard Revit user interface, and provides the ability to store setup configurations into the Revit model for reuse.
The Revit IFC Export Alternate UI 2015 button on the Revit UI provides access to the htm help document and brings up a dialog specifying the version of the app installed. The alternate interface is loaded when users access the Export functionality using Revit UI. This alternate interface offers a flexible set of options to configure the export. The options include:
IFC version:
File Type: The file format
Space boundaries: The level of room/space boundaries exported:
Export base quantities: Whether or not to include base quantities for model elements in the export data. Base quantities are generated from model geometry to reflect actual physical quantity values, independent of measurement rules or methods.
Split walls and columns by Level: Whether or not to split walls and columns by building stories
Export internal Revit property sets: True to include the Revit-specific property sets based on parameter groups. False to exclude them.
Export IFC Common property sets: True to include the IFC common property sets. False to exclude them.
Export Schedules as property sets: True to export schedules as custom property sets. The name of the schedule is the property set name; the column names are the IFC parameter names.
Export only elements visible in view: True to export only the visible elements of the current view (based on filtering and/or element and category hiding). False to export the entire model.
Export parts as building elements: True to export parts as standard IFC elements, false to export them as IfcBuildingElementPart.
Export 2D plan view elements: True to include 2D elements supported by IFC export (notes and filled regions). False to exclude them.
Export Bounding Box: True to export bounding box representations, false to exclude them. This is the forced to true for GSA export.
Export Solid Models when possible: True to export solid models when applicable, which allow for mixing BRep and extrusion geometries for an entity. This can result in smaller IFC files.
Use family and type name for references: True to use the family and type name for references, false to use the type name only.
Use 2D room boundaries for room volume: True to use a simplified approach to calculation of room volumes (based on extrusion of 2D room boundaries) which is also the default when exporting to IFC 2x2. False to use the Revit calculated room geometry to represent the room volumes (which is the default when exporting to IFC 2x3).
Include IFCSITE elevation in the site local placement origin: True to include the elevation from the Z offset of the IFCSITE local placement, false to exclude it. It’s not available for IFC Coordination View 2.0 file version.
Use coarse tessellation for some BReps: True to use coarse tessellation for some Revit elements (floors, railings, ramps, spaces and stairs). Disabling this option will generally result in larger, but more accurate, BRep representations for these items.
Store IFC GUID in file after export: Optionally allow storing the generated IFC GUIDs into the project file after export. This will add "IFC GUID" parameters to elements and their types, and Project Information for Project, Site, and Building GUIDS. This requires v2.12 of the expoter to add the parameter values, and also requires a manual save.
There are 7 built-in setups in the user interface:
These correspond to the file type options in the standard Revit UI. When selected, the individual options will adjust accordingly. These setups cannot be modified or deleted, but they can be duplicated in order to create a modified version.
The “In-Session Setup” is a modifiable setup which will not be saved between sessions. You can configure the options as desired.
You can add additional named setups using the Setup Configuration dialog box using the New or Duplicate options. These configurations will be added to the active document and saved with the document. The add-in will be able to retrieve and reuse these setups if the same model is being exported. You can also rename and delete named setups from this dialog.
The installer that ran when you downloaded this plug-in from Revit Exchange has already installed the plug-in. You will need to restart Revit to activate the plug-in.
To uninstall this plug-in, exit Revit if you are currenting running it, simply rerun the installer by downloading it again from Exchange, and select the 'Uninstall' button, or you can uninstall it from 'Control Panel\Programs\Programs and Features' (Windows 7) or Add/Remove Programs (Windows XP), just as you would uninstall any other application from your system.
The source code for this application is available on open source, at the SourceForge project : http://sourceforge.net/p/ifcexporter/home/Home/
This add-in is currently provided only in English.
There is no mechanism to transfer saved setups from one project to another (other than by recreating them manually). If setups are saved in templates, they should be available in any project created by the template.
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