Surface Flow (IntegrateFlowThroughSurface)
This filter integrates flow through a surface.
The flow integration fitler integrates the dot product of a point flow vector field and surface normal. It computes the net flow across the 2D surface. It operates on any type of dataset and produces an unstructured grid output.

PropertyDescriptionDefault Value(s)Restrictions
Input
(Input)
This property specifies the input to the Surface Flow filter.  

The selected object must be the result of the following: sources (includes readers), filters.

The dataset must contain a point array with 3 components.

The selected dataset must be one of the following types (or a subclass of one of them): vtkDataSet.

 
Select Input Vectors
(SelectInputVectors)
The value of this property specifies the name of the input vector array containing the flow vector field.  

An array of vectors is required.