Share Email Facebook Twitter LinkedIn EnergyAnalysisSurface.Tilt Property The tilt angle for this surface, in radians. Namespace: Autodesk.Revit.DB.AnalysisAssembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0) Syntax C# public double Tilt { get; }Property ValueDouble Remarks The tilt is computed as the angle of rotation between the outward normal of the surface and the Z-axis. See AlsoReferenceEnergyAnalysisSurface ClassAutodesk.Revit.DB.Analysis Namespace