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 onSessionUpdated = { session, updatedFrame ->
//                    frame = updatedFrame
                    val earth = session.earth
                    if (earth?.earthState == Earth.EarthState.ENABLED) {
                        anchorlist.forEach { it.detach() }
                        anchorlist.clear()
                        count--
                       if(count == 0){
//                          childNodes.clear()
                           latlongpointslist.forEach { latLng ->
                               val anchor = createDestinationAnchor(earth, latLng)
                               anchor?.let {
                                    anchorlist.add(anchor)
                                   childNodes += createAnchorNode(
                                       engine = engine,
                                       modelLoader = modelLoader,
                                       materialLoader = materialLoader,
                                       anchor = it
                                   )
                               }
                           }

                           Log.d("ct", "count=: "+count)
                       }
                    }else{
                        Log.d("ct", "earht=: null")
                    }
                },