The IFC tree viewer allows to the user to load an IFC file into a Rhino document for viewing in a tree structure. It also allows you too interact with loaded Rhino Geometry associated with the IFC file.
To use the
If the panel is visible the ifc file will automatically be imported into the tree viewer for direct, however if the IFC Panel is not shown on import you will need to manually import the file into the panel. You can do this by first showing the IFC panel in Rhino by selecting the IFC Show Panel command in the ggRhinoIFC menu or by running the command in the Rhino Command.
Once loaded you should be able to see both