SourceAmbientCIEOvercast – Creating an ambient source CIE standard overcast sky Last update: 22.04.2026 The following script sample shows you an example on how to create an Ambient Source CIE Standard Overcast Sky. overcastSource = SpeosSim.SourceAmbientCIEOvercast.Create() overcastSource.ZenithDirection.Set(GetRootPart().CoordinateSystems[0].Axes[1]) overcastSource.SpectrumType = SpeosSim.SourceAmbientCIEOvercast.EnumSpectrumType.LibrarySpectrum overcastSource.SpectrumValueLibrary = ".\\SPEOS input files\\Sky.spectrum"
