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Forum Diffusion Toolkit Usage problem with spline_filter v0.4.3 -0.6

problem with spline_filter v0.4.3 -0.6
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UserPost

8:34 am
April 18, 2010


Marcella

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posts 8
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Post edited 12:38 pm – April 18, 2010 by Marcella

I have a problem with versions 0.4.3 to 0.6: when I run diffusion toolkit,

dti_recon and dti_tracker work successfully, but processing stops at spline_filter step, with this message:

"Can not open file C:UsersMarcellaAppDataLocalTempdtk_tmptrack_tmp.trk"

I don't have this problem with version 0.4.2, so I have to use it…

How could I solve this problem?

thanks

Marcella

 

 

 

10:28 am
April 18, 2010


Ruopeng

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What operating system are you running? Is your locale set as non-English? It looks like all the path separator characters were lost. 

Ruopeng

1:21 pm
April 18, 2010


Marcella

Member

posts 8
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sorry, I pasted this

Can not open file C:UsersMarcellaAppDataLocalTempdtk_tmptrack_tmp.trk

and I don't know why it lost the "".

The OS is Windows 7,

but I also tried it with other computers with Windows XP Pro.

 

1:29 pm
April 18, 2010


Marcella

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posts 8
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4

it doesn't post the backslash even if I wrote it

10:19 pm
April 18, 2010


Ruopeng

Admin

posts 406
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Thanks for the screenshot. It looks like your tracking result is empty. "number of tracks: 0". The reason appears to be the FA threshold you set. At some point (likely version 0.4.3 because that's when you started to have problem), DTK changed the FA output to non-scaled real values. So you should change your threshold to 0.2 instead of 200.

Ruopeng

3:09 am
April 19, 2010


Marcella

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posts 8
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6

thanks a lot! that was the problem
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