private void UpdateModels() { TrajectoryModel = _diamgramService.PrepareTrajectoryDiagram(CurrentSeries); SpeedHeightModel = _diamgramService.PrepareSpeedHeightDiagram(CurrentSeries); MultiTrajectory = _diamgramService.PrepareTrajectoriesGraph(SelectedLD, TestSeries); if (CurrentSeries.Density != null) { DensityModel = _diamgramService.PrepareDensityChart(CurrentSeries); } if (CurrentSeries.MachSpeed != null) { MachSpeedModel = _diamgramService.PrepareMachSpeedChart(CurrentSeries); } if (CurrentSeries.Acceleration != null) { GModel = _diamgramService.PrepareGChart(CurrentSeries); } }