OpenStudio Workbench

( FreeCAD workbench to add facilities for OpenStudio & EnergyPlus )

This is ane experimental workbench looking to create valid input for OpenStudio & EnergyPlus

Rename to BIM or BEM workbench ?

Installation

It can be installed via the Addon Manager (from Tools menu)

Alternative Installation

Clone into FreeCAD's Mod directory see https://wiki.freecadweb.org/Installing_more_workbenches

• Change to FreeCAD Mod directory

• git clone https://github.com/KeithSloan/OpenStudioWorkBench.git

• Start/Restart FreeCAD

Investingating creating the data as per OpenStudio's Skectcher plug and gbxml.

FreeCAD setting

Set the FreeCAD Preference for Document - Allow duplicate object labels in one document

Gui Icons

* Build GBxml Group Structure ( For testing )
  - Create GBxml structure from GBxml.xsd  : Elements - hard coded - Element depends on Branch
      - Branches
         * Cost
         * LighteningSystem
         * MinFlow

* Add GBxml - Properties ( under development )
  - Select FC object, create GBxml structure and set some property values
  - Currently Implemented
      * Select BMI Site
          - Creates GbXML structure
               - Campus
               - Building
               - Building Storey
               
* Sync GBxml - Properties ( to be developed )
  - Sync FC object Properties with GBxml structure

Import Functions

* Import gbXML file
  - Currently 
      Group GBxsd - Just parsed from GBxml.xsd
      Group gbXML - Values have been set on import

  - Look at creating dictionary from GBxml.xsd
    or leave and goback to build FC Objects from preprocess.

  -ToDo
    Create FC Shapes for Geometry and check with imported data
    
* Import ifc file
  - Import Ifc file using Maarten Visschers - ifc to gbXML converter
      https://github.com/MGVisschers/IFC-to-gbXML-converter
      Maintained by Bruno Postle
      https://github.com/brunopostle/IFC-to-gbXML-converter
      Current fork pull request to be made.
      https://github.com/KeithSloan/IFC-to-gbXML-converter

      On import should get a Frame prompt
      
      ![Screenshot] https://github.com/user-attachments/assets/64fe0bbd-6b72-4a1e-958b-c766655d218d

      Click Okay to convert Ifc to gbXML and import 

* Branch gbXML2IDF

   submodule add https://github.com/KeithSloan/gbXML2IDF which is a fork of https://github.com/Udaragithub/gbXML2IDF

   Has facility to use external editor for 
     - IDF_template.IDF
     - IDF_Schedules.IDF
     - material_data.csv
     - space_data.csv

    ToDo
      - Create files baaed on gbXML source i.e. Avoid hand editing step 
          - Providing mapping gbXML materials to IDF Materials
          - Providing mapping gbXML Space to iDF Space
          
      - Run Energy Model

Other Functions

* Export GBxml - Export GBxml structure to gbxml file ( to be developed )

* Import Weather - ToDo

Info

Energy+.idd # from Energy Plus - (Single file subdirectory ?) SketchUpPlugin.xml # SketchUpPluginPolicy.xml from Open Studio sketchup plus