# Output Controls

Set output parameters.

`outputControls = vwt.OutputControls()`

## Attributes

- timeAverageStartTime
- Start time to compute time-averaged output
- windowAverageSize
- Window size for window-averaged output
- momentSystem
- Coordinate system to compute aerodynamic moment and force coefficients
- resultsOutputInterval
- Time step frequency for writing results to disk
- resultsStartIteration
- Start iteration to start writing results to disk
- mergeOutputFiles
- Enable option to merge output files
- savedOutputStates
- Number of output states to retain on disk
- probeOutputScientificNotation
- Enable scientific notation for probe output
- probeOutputPrecision
- Specify floating point output precision for probe output
- aerodynamicFrontalArea
- Frontal area to compute aerodynamic coefficients
- autoCalculateFrontalArea
- Automatically compute frontal area
- wheelBase
- Wheel base to compute aerodynamic moments
- autoCalculateWheelBase
- Automatically compute wheel base
- outputCoefficientOnEachPart
- Enable aerodynamic coefficients for each part
- sectionalCoefficientX
- Number of sectional coefficients in x-direction
- sectionalCoefficientY
- Number of sectional coefficients in y-direction
- sectionalCoefficientZ
- Number of sectional coefficients in z-direction
- sectionalUserDefinedCoefficientX
- Enable sectional coefficients in x-direction
- sectionalUserDefinedCoefficientY
- Enable sectional coefficients in y-direction
- sectionalUserDefinedCoefficientZ
- Enable sectional coefficients in z-direction
- aeroStartIteration
- Start iteration to write aerodynamic coefficients to disk

## Methods

- getFieldVariable("PropertyName")
- Get output status of field property
- setFieldVariable("PropertyName", True)
- Set output status of field property
- getSurfaceVariable("PropertyName")
- Get output status of surface property
- setSurfaceVariable("PropertyName", True)
- Set output status of surface property