IMVOpticalFlow2
The IMVOpticalFlow2 interface extends the IMVOpticalFlow interface to get some values from the MV Optical Flow filter. Read the filter description to see how the filter is used.
| MainDirection | Contains the main flow direction |
| NormFlowValue | Contains the normalzied flow value in percent. |
Header file: IMVOpticalFlow.h
Interface definition language file: IMVOpticalFlow.idl
Typelib: MVOpticalFlow
Property IMVOpticalFlow2::MainDirection
Declaration: Property Get MainDirection As LongContains the main flow direction. The image below shows the direction mapping from the MainDirection value. If an image contains no flow the property is set to -1.
Prototype:
![]()
HRESULT get_MainDirection(LONG* pVal);
Property IMVOpticalFlow2::NormFlowValue
Declaration: Property Get NormFlowValue As LongContains the normalzied flow value in percent.
Prototype:HRESULT get_NormFLowValue(LONG* pVal);