Optic-flow images.
The png-files conaining the rendered view.
The svg-file the plotted arrows.
The Csv-file contains a table, where to plot the arrows, columns are encoded by <anchorx> <anchory> <offsetx> <offsety>.
 Exr contain the original flow-data, first channel (r) is x, second (g) is y and third (b) is distance. Values are in Radians/frame