Stellarium 0.12.3 . ... Classes . ... ClassљMembers . ... StelMainScriptAPIProxy Class Reference . Because the core API runs in a different thread to the main program, direct function calls to some classes can cause problems - especially when images must be loaded, or other non-atomic operations are involved. ... Connect signals from the StelMainScriptAPI to the instance of this class running in the main thread and let the slots do the work which is not possible within StelMainScriptAPI itself. ...