Hey,<br>In gridflow i remeber seeing this application:  <span style="font-size: 11pt; color: rgb(31, 73, 125);"></span><a href="http://createdigitalmotion.com/2007/01/18/open-source-motion-tracking-with-multiblob-for-gridflowpd/" target="_blank">http://createdigitalmotion.com/2007/01/18/open-source-motion-tracking-with-multiblob-for-gridflowpd/</a> .Now in pd-extended there is a .pd patch called pix_multiblob_help.pd  in the Gem folder.<br>

<br>Would the result in both cases be the same? or is there something diff in the two progs .?(one way to find out was obviously to run them, but gridflow doesnt work on xp)<br><br>thnks a lot<br>sisil<br>