Enumerated type listing flags that can toggle on or off certain calculations related to MEP systems.

Namespace: Autodesk.Revit.DB.Mechanical
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2012
Since: 2012

Syntax

C#
`public enum SystemCalculationLevel`

Visual Basic
`Public Enumeration SystemCalculationLevel`

Visual C++
`public enum class SystemCalculationLevel`

Members

Member name	Description
All	System calculation is on for everything (with every bit being 1)
None	System calculation is off
Flow	System calculation is only for flow
Volume	System calculation is only for system volume
Performance	This mode is reserved for limiting the system propagation and other performance-boosting options. Note that the system-related functionalities might be traded off for faster layout capability in large system when this mode is on. Be careful that this mode is NOT included in the "All" mode.