in this case:
is requested from the OSM server via the OSM API.
FME Workbench for converting to Google (or 3D PDF etc)
Output is A clean representation of OSM in Google Earth – but with 3D Building Extruded from the data. This can also be viewed in Streetview in Google Earth.
This does use FME Desktop (a 30 day trail is available) which can convert the OSM files into Google Earth
Try BBOX.ME (created and founded by Peter Segersted and Ulf Mansson)