Autodesk Developer Network 2011
Autodesk
Revit MEP 2012 API Enhancements
§Major
§Pipe settings and sizes
§Placeholder ducts and pipes
§Duct and pipe insulation and lining
§Minor
§Spare and space circuits
§Cable tray and conduit domain
§Connector, MEPSystem and Space properties
§Disconnection warnings
§New MEP related APIs
§Detailed Energy Analysis Model API
§Conceptual Energy Analysis API

| A group of new classes provide read and write access to the MEP pipe settings.
| The Duct and Pipe classes provide new methods to create placeholder elements and predicate properties to identify such elements.
| New utility methods MechanicalUtils.ConvertDuctPlaceholders and PlumbingUtils.ConvertPipePlaceholdersMechanicalUtils convert a set of placeholder ducts and pipes to real 3D elements.
| The new classes DuctInsulation, PipeInsulation, DuctLining and related types support read/write and create access to duct & pipe insulation and lining. In Revit 2012, these objects are now accessible as standalone elements related to their parent duct, pipe, or fitting.