SourceAmbientEnvironment – Creating an environment ambient source Last update: 22.04.2026 The following script sample shows you an example on how to create an Environment Ambient Source. environmentSource = SpeosSim.SourceAmbientEnvironment.Create() environmentSource.ZenithDirection.Set(GetRootPart().CoordinateSystems[0].Axes[1]) environmentSource.NorthDirection.Set(GetRootPart().CoordinateSystems[0].Axes[0]) environmentSource.NorthDirectionReverse = True environmentSource.ImageFile = ".\\SPEOS input files\\uffizi_probe.hdr" environmentSource.ColorSpace = SpeosSim.SourceAmbientEnvironment.EnumColorSpace.UserDefinedRGB environmentSource.RedSpectrumValueLibrary = ".\\SPEOS input files\\Red.spectrum" environmentSource.GreenSpectrumValueLibrary = ".\\SPEOS input files\\Green.spectrum" environmentSource.BlueSpectrumValueLibrary = ".\\SPEOS input files\\Blue.spectrum"