Douglas showcased the capabilities of the new IESVE Interoperability Navigator, coming soon in VE 2017. This Navigator will guide you through successful import of BIM models into the VE, allowing for the execution of essential energy and performance simulations throughout the design process.

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BIM Faculty 2017
Importing Geometry & Data to the
Virtual Environment

2. Douglas Bell, IES
Demonstration of the new IESVE Interoperability Navigator

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Overview
 Key Revit Modelling Points
 Updates to Revit 2017
 The New BIM Interoperability Navigator

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Key Modelling Points - Revit

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Rooms & Spaces

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Area & Volume Computation

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Revit Data Import

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Export the Following Properties
NB: Using Revit Spaces all the data list below can be
exported, but Using Revit Rooms only data highlighted
in Blue can be exported.
• Location
• Building type
• Constructions
• Room Names
• Room type – Occupied/Plenum
• Occupancy – Heat Gain/Per Person
• Electrical – Lighting Loads
– Power Loads
Basic Data Properties

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Export Room Properties - Constructions
Make sure ‘Include Thermal Properties’ is ticked when
exporting constructions from your Revit model utilising
ROOMS placed within. If this is not selected analytical
constructions will be exported.
Basic Data Properties

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Export Space Properties
• Room Names
• Room type – Occupied/Plenum
• Occupancy – Heat Gain/Per Person
• Electrical – Lighting Loads
– Power Loads
Basic Data Properties

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Tag Constructions/Export Thermal Properties – Revit 2016 & Earlier
Basic Data Properties

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Constructions – Revit 2016 & Earlier
• Go to File > Export gbXML
• Make sure Export Default Values is
ticked
• Open up Building Constructions
Basic Data Properties

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Constructions – Revit 2016 & Earlier
Once in Building Constructions make
sure the Override is unticked for all
constructions
Basic Data Properties

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Constructions – Revit 2017
• Go to ‘Analyze’ Tab > Energy Analysis
• Click ‘Energy Settings’
• Select Advanced > Other Options
• In the Material Thermal Properties Tick
Detailed Elements
Basic Data Properties

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Constructions – Revit 2017
• Go to File > Export gbXML
• Select ‘Use Room/Space Volumes
• Make sure Export Default Values is
ticked
• Open up Building Constructions
Basic Data Properties

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Constructions – Revit 2017
Once in Building Constructions make
sure the Override is Ticked for all
constructions
NB: this is the opposite to Revit 2016
Basic Data Properties

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The following checklists/tips are items that are necessary in your Revit model before the translation to a design /building performance model.
The following pages of this document will describe in more detail each of these items.
1. Rooms (refer to Section 1.9 - Rooms)
Make sure all rooms/spaces are place in every room, and adjacencies of Rooms are correct.
2. Room Bounding Elements (refer to Section 1.12)
Check or uncheck room bounding elements that is necessary for design / building Performance model. For example, you can make shaft
walls that are located on the exterior side of walls to be non-room bounding rather than placing a separate room into them. If an interior
space has many ½ walls or jogs (that protrudes into but does not divide two spaces), these walls can often be made non-room bounding and
leave a simple room perimeter to bound the space. Think about where you really need to take account of the walls for your type of analysis.
3. Define all Upper and Lower Boundary (refer to Section 1.14 - Defining the Upper & Lower Boundary) Make sure all the Upper and Lower
Limits and Offsets are correct
4. Project Information (refer to Section 1.8 - Project Information)
Make sure the Energy Data parameter in the Project Information is filled out correctly either in the plugin if you are using that for export or in
Revit project information if you are using Revit to export.
5. Room Volume Computations (refer to Section 1.15 - Room Volume Computations)
Make sure Room Volume Computations is checked
Check List

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6. If it’s a central model, detach from central.
Clean up views, elements that are not related to energy analysis (casework, railings, etc.), and purge
unused. This will help reduce the size of the file.
7. Try to keep the model as lean as possible in Revit,
This will be worth it when trying to run analysis and will impact runtime greatly. Only keep elements
essential to the gbXML. Many firms have separate Revit construction document models and Revit analysis
models, though in the future hopefully that will change. Simplicity of your model is paramount.
8. Run a model check once in the VE.
Check List

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• Check What Revit is Exporting
Go to File > Export gbXML > Details Tab > Select
Analytical Surfaces option
• Check Rooms/Space fill the model
• Check the Levels they are set at
• Check Import/Export Settings
Helpful Tips

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BIM Interoperability Navigator

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BIM Interoperability Navigator
 All Information in one place
 All Settings in one place

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 Guidance to check off
 Best practice modelling information
BIM Interoperability Navigator

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 New Quarantine Zone
 Add Clarity to the Process
 Visibly see the import
process
BIM Interoperability Navigator

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 Improvements to shell correction
 View geometry errors in tree view
BIM Interoperability Navigator

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 Improvements to shell correction
 View geometry errors in tree view
BIM Interoperability Navigator

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 View surface orientation in viewer
BIM Interoperability Navigator

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 Correct (Shell)
 Report
 Cap Volumes
 Check Gaps
 Front Elevation
 Filter Surfaces
BIM Interoperability Navigator

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 Cap Volumes
BIM Interoperability Navigator

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 Data Only
 Geometry Only
 Geometry & Assigned Data
 Geometry & All Data
 Use Merge Wizard
BIM Interoperability Navigator