The vector file[50KB] contains;
   x      y      z        u         v         w
 -0.80  -0.80  -0.80   0.17542  -4.51977   0.01204
 -0.80  -0.80  -0.60  -0.18245  -4.11870  -0.26516
 -0.80  -0.80  -0.40  -0.78761  -3.38484  -0.41633

   unit: x,y,z  [cm]
         u,v,w  [cm/s]