IES VE Revit Plug-in Enhanced To Handle Intricate Geometry and Provide Export Complexity Options

2nd Generation Plug-in Covers Wide Range of Geometry From ‘Simple’ to ‘Complex with Mullions and Shading Surfaces’

BOSTON — (BUSINESS WIRE) — December 1, 2009Integrated Environmental Solutions (IES), a provider of integrated performance analysis software and consulting services for sustainable building design, unveiled at Autodesk University 2009 the second generation of its Revit Plug-in, which offers enhanced model transfer capabilities. The latest IES VE Revit Plug-in (v6.0.3) can now handle more challenging and complex geometry, as well as offering users the option to choose the level of geometry detail exported.

IES has improved real-world Revit to IES model transfer by enhancing the import process to handle increasingly complex levels of geometry, such as highly detailed curtain walling systems, multi-faceted shading surfaces and mullions, and additional complex shapes and junctions. The VE sets no explicit limits on the number of surfaces that it can import.

“The ability to import detailed geometries can greatly enhance design workflow and simulation accuracy,” commented Dr Don McLean, Founder and Managing Director of IES. “However, in certain situations importing the maximum level of detail can be overkill and increase simulation run times. For example, if mullions are not being used for solar shading. This is why adding the element of user choice is an important new capacity.”

The new version of the IES plug-in allows users to determine the level of detail with which the model is translated from Revit; this important new capacity gives ultimate control over geometry detail used for performance analysis and energy modelling within IES tools. The “Export Complexity” options range from the basic, to how shading surfaces are handled, to whether curtain wall mullions are counted as shading surfaces:

  • Simple: Curtain Walls and Curtain Systems are exported with one “huge” opening with the total opening area equal to all openings; a curtain wall with 50 panels is exported as 1 opening.
  • Simple with Shading Surfaces: Export with simple type and shading surfaces.
  • Complex: Curtain Walls and Curtain Systems are exported with several openings, panel by panel; a curtain wall with 50 panels is exported as 50 openings.
  • Complex with Shading Surfaces: Include complex type and shading surfaces.
  • Complex with Mullions and Shading Surfaces: Include complex type, shading surfaces and mullion. Mullions in Curtain Walls and Systems are exported as shading surfaces. A "simplified" analytical shading surface is produced from a mullion based on its centerline, thickness and offset.

IES VE Revit Plug-in users can set the level required within the “Settings and Info” section of the IES toolbar. The latest version can be download at

Come visit us at Autodesk University 2009 – Booth #444

About IES

Integrated Environmental Solutions (IES) is an innovative company at the forefront of the use and development of powerful software simulation tools which help architects, engineers, facilities managers, and all those involved in the development and management of buildings design and maintain truly sustainable properties. IES was established in June 1994 and is headquartered in Glasgow, Scotland, with offices in Dublin, Republic of Ireland; Boston and San Francisco, USA and Melbourne, Australia. IES Consulting is the specialist international environmental performance consultancy division of IES, its expert team of consultants include some of the most experienced LEED, BREEAM, Green Star Accredited Professionals and Accredited Energy Assessors, in the UK. IES’ services and products aid significantly in the provision of healthier and more energy efficient built environments. For additional information, please visit




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