SourceAmbienUS1976 – Creating an ambient source US standard atmosphere 1976 Last update: 29.07.2026 The following script sample shows you an example on how to create a Ambient Source US Standard Atmosphere 1976. usSource = SpeosSim.SourceAmbientUS1976.Create() usSource.TimeZone = "OPTIS, France" usSource.DateTime = DateTime(2009, 7, 14, 12, 0, 0) usSource.ZenithDirection.Set(GetRootPart().CoordinateSystems[0].Axes[1]) usSource.NorthDirection.Set(GetRootPart().CoordinateSystems[0].Axes[0])
