Duct   |  
 Identifies if the input roughness is valid. 
 Namespace: Autodesk.Revit.DB.Mechanical
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Parameters
- roughness Double
 - The roughness to check.
 
Return Value
BooleanTrue if the value is acceptable, false otherwise.
 Roughness should be at least equal to or larger than 0.