SourceAmbientUniform – Creating an ambient source uniform Last update: 09.03.2026 The following script sample shows you an example on how to create a Uniform Ambient Source. uniformSource = SpeosSim.SourceAmbientUniform.Create() uniformSource.ZenithDirection.Set(GetRootPart().CoordinateSystems[0].Axes[1]) uniformSource.SpectrumType = SpeosSim.SourceAmbientUniform.EnumSpectrumType.LibrarySpectrum uniformSource.SpectrumValueLibrary = ".\\SPEOS input files\\Sky.spectrum"