[Camino-users] ask for help on conmat

[lujiao luo]

Hello Cook,

Thanks so much for your advice, but I encounter two other problems.

1. I used command

 "track -inputmodel pico -pdf watson -numpds 3 -iterations 1000 -seedfile
lhV1.nii.gz -inputfile A_QBallPDsWatsonPDFs.Bdouble > tracts.Bfloat"

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:

 "vtkstreamlines -colourorient < tracts.Bfloat > tracts.vtk "

to convert visualize it, it gave me an error information:   out of memory.
Temporarily, the RAM of my computer was 8 Gb, was there some way for me to
solve this problem? Or is there something wrong with my processing?

My seedfile lhV1.nii.gz was obtained by converting a freesurfer
automatically generated label using mri_label2vol flag.

2. May I ask you how do you obtain the label file for a roi which you
obtained from a functional activated brain region and couldn't segment from
an atlas? And what kind of label do you use frequently? What's its format?
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