drawing velocity vectors?

Posted by Franklin Shaffer-2 on
URL: http://imagej.273.s1.nabble.com/Colocalisation-tp3696413p3696415.html

I have tracked particles through stacks of images from a high speed camera.
 
MTrackJ is an excellent plugin to draw and edit trajectories, but I also need to draw velocity vectors on the images.
 
Does anyone know of any capability in ImageJ to draw velocity vectors ?
 
Thanks,
Frank Shaffer
USDOE National Energy Technology Lab