This is a tool to examine, edit and update Map 3D resources on the fly.
Please refer to this DevTv on Map 3D developer center : http://usa.autodesk.com/adsk/servlet/index?id=2105231&siteID=123112
DevTV : AutoCAD Map 3D Resource Explorer A self-paced video tutorial demonstrating AutoCAD Map 3D resources and relevant Geospatial Platform API to access, edit and update them on the fly.
http://download.autodesk.com/media/adn/MapResourceExplorerVideo/MapResourceExplorerIntroduction.html