This processor computes the fundamental diagram by computing an (average) velocity and the density for each pedestrian over a certain area measurementArea. The velocity of a pedestrian is the distance walked inside the measurementArea divided by the required time. The density of a pedestrian is the integral of the number of pedestrians inside the measurementArea (integrated over the time) divided by the area of the measurementArea and the time required to walk through the measurementArea. The bound of integration is the time the pedestrians enters the measurementArea and the time the pedestrian exits the measurementArea.
For more details see zhang-2011 (doi:10.1088/1742-5468/2011/06/P06004) Method B.
Note that this processor does only work if pedestrians do not move multiple times through measurementArea
@author Benedikt Zoennchen---
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