<div dir="ltr"><div style>Hello <span style="font-family:arial,sans-serif;font-size:14px">Nagesh,</span></div><div style><span style="font-family:arial,sans-serif;font-size:14px"><br></span></div>Thanks so much for your suggestion<span style="font-family:arial,sans-serif;font-size:14px">. I will have a try.</span><div>
<span style="font-family:arial,sans-serif;font-size:14px"><br></span></div><div style><span style="font-family:arial,sans-serif;font-size:14px">Best wishes</span></div><div style><span style="font-family:arial,sans-serif;font-size:14px">Yours Lulu</span></div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/5/17 Nagesh Adluru <span dir="ltr"><<a href="mailto:nagesh.adluru@gmail.com" target="_blank">nagesh.adluru@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Hi Lulu,<div><br></div><div>camino-trackvis (<a href="http://sourceforge.net/projects/camino-trackvis/" target="_blank">http://sourceforge.net/projects/camino-trackvis/</a>) will be able to handle such large files!</div>
<div>You are welcome to try it and let us know any feedback!</div><div><br></div><div>Best,</div><div>Nagesh</div></div><div class="gmail_extra"><br><br><div class="gmail_quote"><div><div class="h5">On Fri, May 17, 2013 at 9:24 AM, lujiao luo <span dir="ltr"><<a href="mailto:llj201304@gmail.com" target="_blank">llj201304@gmail.com</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr"><font face="times new roman, serif" size="4">Hello Cook,</font><div><font face="times new roman, serif" size="4"><br>
</font></div><div><font face="times new roman, serif" size="4">Thanks so much for your advice, but I encounter two other problems.</font></div>
<div><font face="times new roman, serif" size="4"><br></font></div><div><font face="times new roman, serif" size="4">1. I used command </font></div><div><p align="left" style="line-height:13pt">
<font size="4"><span lang="EN-US" style="font-family:华文楷体"> </span><span lang="EN-US"><font face="times new roman, serif">"track -inputmodel pico -pdf watson -numpds 3
-iterations 1000 -seedfile lhV1.nii.gz -inputfile
A_QBallPDsWatsonPDFs.Bdouble > tracts.Bfloat"</font></span></font></p><p align="left" style="line-height:13pt"><span lang="EN-US"><font face="times new roman, serif" size="4">to obtain a trackfile which seeded from lhV1，but the tracts file was in total of 1.7 Gb. When I used the command below:</font></span></p>
<p align="left" style="line-height:13pt"><span lang="EN-US"><font face="times new roman, serif" size="4"><span lang="EN-US"> "vtkstreamlines
-colourorient < tracts.Bfloat > tracts.vtk "</span><br></font></span></p><p align="left" style="line-height:13pt"><span lang="EN-US"><span lang="EN-US"><font face="times new roman, serif" size="4">to convert visualize it, it gave me an error information: out of memory. Temporarily, the </font><span style="font-family:'times new roman',serif;font-size:large">RAM </span><font face="times new roman, serif" size="4">of my computer was 8 Gb, was there some way for me to solve this problem? Or is there something wrong with my processing?</font></span></span></p>
<p align="left" style="line-height:13pt"><font face="times new roman, serif" size="4">My seedfile lhV1.nii.gz was obtained by converting a freesurfer automatically generated label using mri_label2vol flag.</font></p>
<p align="left" style="line-height:13pt"><span lang="EN-US"><span lang="EN-US"><font face="times new roman, serif" size="4">2. May I ask you how do you obtain the label file for a roi which you obtained </font></span></span><span style="font-family:'times new roman',serif;font-size:large">from a functional activated brain region and </span><span style="font-family:'times new roman',serif;font-size:large;line-height:13pt">couldn't segment from an atlas? And what kind of label do you use frequently? What's its format?</span></p>
<p align="left" style="line-height:13pt"><span lang="EN-US" style="font-size:14pt;font-family:华文楷体"><span lang="EN-US" style="font-size:14pt"><br></span></span></p></div></div>
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