Some months ago it was asked in this list how to make a Movie of he process of the inflation of the brain.
<div><br></div><div>Some hints:</div><div><br></div><div>Create this tcl script and name it as script.tcl:</div><div><br></div><div><div><font class="Apple-style-span" face="&#39;courier new&#39;, monospace">for {set x 0} {$x&lt;120}  {incr x} {</font></div>

<div><font class="Apple-style-span" face="&#39;courier new&#39;, monospace">   set r [expr (round(1.2*$x + 3))]</font></div><div><font class="Apple-style-span" face="&#39;courier new&#39;, monospace">   shrink $r</font></div>

<div><font class="Apple-style-span" face="&#39;courier new&#39;, monospace">   redraw</font></div><div><font class="Apple-style-span" face="&#39;courier new&#39;, monospace">   save_tiff ${x}-img.tif</font></div><div><font class="Apple-style-span" face="&#39;courier new&#39;, monospace">}</font></div>

<div><font class="Apple-style-span" face="&#39;courier new&#39;, monospace">exit   </font>  </div></div><div><br></div><div>Then use the commands:</div><div><font class="Apple-style-span" face="&#39;courier new&#39;, monospace">tksurfer bert lh pial -annotation aparc.annot -tcl script.tcl</font></div>

<div><font class="Apple-style-span" face="&#39;courier new&#39;, monospace">ffmpeg -r 15 -b 2500 -sameq -i %d-img.tif videoOutput.mp4</font></div><div><br></div><div><br></div><div>You can check the results at:</div><div>

<a href="http://www.youtube.com/watch?v=aj-d8PZMXt8">http://www.youtube.com/watch?v=aj-d8PZMXt8</a></div>