If the chart doesn't handle the time range drag selection via:

_$scope.$on('ChartTimeRangeChanged', function (event, data)

{ console.info('Received ChartTimeRangeChanged: ' + data[0] + ' - ' + data[1]); $scope.startTimestamp = data[0]; $scope.endTimestamp = data[1]; $scope.refreshChartWithDateRange(); }

);_
then it leaves a 'stuck' phantom drag range and doesn't clear it. If the 'on' handler is implemented it 'refreshes' the data and everything proceeds fine.