Difference between revisions of "OpenStudio/OpenStudio Application/Building Envelope Specification"

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# [[OpenStudio/OpenStudio SketchUp Plug-in|OpenStudio Plug-in in SketchUp]] can be used for generating detailed models that cannot be built only within 2D models.
 
# [[OpenStudio/OpenStudio SketchUp Plug-in|OpenStudio Plug-in in SketchUp]] can be used for generating detailed models that cannot be built only within 2D models.
 
# Any computer aided drafting (CAD) program that can export geometry to the Green Building Extensible Markup Language (gbXML) format can be used as well, as OpenStudio can import gbXML files.
 
# Any computer aided drafting (CAD) program that can export geometry to the Green Building Extensible Markup Language (gbXML) format can be used as well, as OpenStudio can import gbXML files.
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# OpenStudio includes a built-in JS floor plan space editor that can be used to develop 2D floor plans of the building. Note that the JS floor plan space editor can be used to create modify plans built in the JS editor, but cannot be used to modify imported gbXML files.
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# OpenStudio includes a [[OpenStudio/OpenStudio Application/FloorspaceJS|built-in JS floor plan space editor]] that can be used to develop 2D floor plans of the building. Note that the JS floor plan space editor can be used to create modify plans built in the JS editor, but cannot be used to modify imported gbXML files.
 
# The OpenStudio API can also be used to procedurally create geometry for OpenStudio models.
 
# The OpenStudio API can also be used to procedurally create geometry for OpenStudio models.
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OpenStudio Coalition recommends that more complex building geometry is best developed in a full featured CAD tool and exported to gbXML, as FloorspaceJS best covers simple building geometry use cases only<ref>The OpenStudio Coalition. (2025). FloorspaceJS - OpenStudio Coalition User Docs. Openstudiocoalition.org; The OpenStudio Coalition. https://openstudiocoalition.org/reference/geometry_editor/</ref>.
  
 
==Notes==
 
==Notes==

Revision as of 15:40, 22 April 2025

The process of defining the envelope of a building for a building energy model consists a few core steps[1]:

  1. Weather
  2. Building Envelope Geometry
  3. Surfaces
  4. Constructions
  5. Sub-surfaces

Envelope Geometry and Building Spaces

There are several ways that building and space geometry can be built and brought into OpenStudio.

  1. OpenStudio Plug-in in SketchUp can be used for generating detailed models that cannot be built only within 2D models.
  2. Any computer aided drafting (CAD) program that can export geometry to the Green Building Extensible Markup Language (gbXML) format can be used as well, as OpenStudio can import gbXML files.
  3. OpenStudio includes a built-in JS floor plan space editor that can be used to develop 2D floor plans of the building. Note that the JS floor plan space editor can be used to create modify plans built in the JS editor, but cannot be used to modify imported gbXML files.
  4. The OpenStudio API can also be used to procedurally create geometry for OpenStudio models.

OpenStudio Coalition recommends that more complex building geometry is best developed in a full featured CAD tool and exported to gbXML, as FloorspaceJS best covers simple building geometry use cases only[2].

Notes

  1. ↑ Brackney, L., Benne, K., Macumber, D., & Parker, A. (2018). Building Envelope Specification. In Building Energy Modeling with OpenStudio (pp. 13–58). essay, Springer International Publishing AG.
  2. ↑ The OpenStudio Coalition. (2025). FloorspaceJS - OpenStudio Coalition User Docs. Openstudiocoalition.org; The OpenStudio Coalition. https://openstudiocoalition.org/reference/geometry_editor/
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