<div dir="ltr">Hi Huiyan,<div><br></div><div>Please read page 22 of the manual here (<a href="https://www.mristudio.org/wiki/user_manual">https://www.mristudio.org/wiki/user_manual</a>). There is an explanation. Unfortunately, there is no way to say what are the correct +/- signs of your table simply from the table you showed. </div>
<div><br></div><div>Susumu </div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sun, Dec 15, 2013 at 9:54 PM, Shao, Huiyan <span dir="ltr">&lt;<a href="mailto:huiyan.shao@ttu.edu" target="_blank">huiyan.shao@ttu.edu</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">



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<div style="direction:ltr;font-size:10pt;font-family:Tahoma">Dear DTIstudio experts, 
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</div>
<div>I&#39;m trying to do fiber tracking with DTIstudio. For the fiber tracking step, I am not sure which is our flip eigen vector. Below is our gradient table: </div>
<div><br>
</div>
<div>
<div>0:0.000000,0.000000,0.000000</div>
<div>1:0.539633,-0.488234,0.685874</div>
<div>2:0.453954,-0.517350,-0.725448</div>
<div>3:-0.709025,-0.702831,0.057543</div>
<div>4:0.693686,-0.259787,0.671797</div>
<div>5:0.248036,-0.662131,0.707149</div>
<div>6:0.019995,-0.691995,0.721626</div>
<div>7:-0.380197,-0.550811,0.743005</div>
<div>8:-0.646518,-0.136320,0.750621</div>
<div>9:0.693879,-0.259861,0.671569</div>
<div>10:0.328108,-0.695394,0.639353</div>
<div>11:-0.258199,-0.691285,0.674877</div>
<div>12:-0.473483,-0.468429,0.745914</div>
<div>13:-0.668140,-0.275451,0.691170</div>
<div>14:0.735513,-0.465660,0.492119</div>
<div>15:0.500260,-0.698858,0.511212</div>
<div>16:-0.525531,-0.629740,0.572053</div>
<div>17:-0.676078,-0.457433,0.577645</div>
<div>18:0.702589,-0.711054,-0.027771</div>
<div>19:0.671769,-0.487322,-0.557893</div>
<div>20:-0.739823,-0.479095,-0.472367</div>
<div>21:-0.506710,-0.715022,-0.481652</div>
<div>22:0.702079,-0.711198,-0.035815</div>
<div>23:0.594285,-0.442036,-0.671885</div>
<div>24:0.698207,-0.711120,-0.082559</div>
<div>25:0.250124,-0.721895,-0.645218</div>
<div>26:-0.334558,-0.718487,-0.609793</div>
<div>27:-0.709479,-0.702971,0.049709</div>
<div>28:-0.746124,-0.301952,-0.593401</div>
<div>29:0.698770,-0.711214,-0.076781</div>
<div>30:-0.080715,-0.720450,-0.688794</div>
<div>31:-0.709677,-0.703022,0.046037</div>
<div>32:-0.748640,-0.010444,-0.662895</div>
</div>
<div><br>
</div>
<div>Can you decide which is our flip eigen vector? </div><span class="HOEnZb"><font color="#888888">
<div><br>
</div>
<div>Huiyan </div>
<div><br>
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</font></span></div>
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