[MINC-users] Mapping surface (verstats) data into volume space

[Gabriel A. Devenyi]

Thanks!

I did indeed try after another reply off-list, sadly, scan_object_to_volume
seems to ignore colours.

--
Gabriel A. Devenyi B.Eng. Ph.D.
Research Computing Associate
Computational Brain Anatomy Laboratory
Cerebral Imaging Center
Douglas Mental Health University Institute
McGill University
t: 514.761.6131x4781
e: gabriel.devenyi at mcgill.ca

On Thu, Sep 29, 2016 at 3:23 PM, Mishkin Derakhshan <mishkind at gmail.com>
wrote:

> Have you tried making a colored object and then scanning it to volume?
>
> Most .obj files default to having just one color per object, and for good
> reason, this lets you overlay different vertstats data and the like on the
> same object. But you can also create a .obj file where the color is stored
> per vertex. The program to do this is colour_object and should come with
> the default minc installation.
>
> With some luck, scan_object_to_volume will not ignore the colored data.
> worth a shot anyway.
>
> Here is some reference material for .obj files:
> http://www.bic.mni.mcgill.ca/Services/HowToWorkWithObjectFiles
>
> In particular you can see how things are colored here:
> http://www.bic.mni.mcgill.ca/users/david/FAQ/polygons_format.txt
>
>
> On Thu, Sep 29, 2016 at 7:45 AM, Gabriel A. Devenyi <
> gabriel.devenyi at mcgill.ca> wrote:
>
> > Hi all,
> >
> > I’m wondering if anyone knows of a method to map verstats data (data on a
> > MNI object) into volume space.
> >
> > I know I can convert an object into a volume representation with
> > scan_object_to_volume. I’d like to then assign values to those voxels
> from
> > a verstats file.
> >
> > Thanks!
> >
> > —
> > Gabriel A. Devenyi B.Eng. Ph.D.
> > Research Computing Associate
> > Computational Brain Anatomy Laboratory
> > Cerebral Imaging Center
> > Douglas Mental Health University Institute
> > McGill University
> > t: 514.761.6131x4781
> > e: gabriel.devenyi at mcgill.ca
> > ​
> > _______________________________________________
> > MINC-users at bic.mni.mcgill.ca
> > http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
> >
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