Thanks for the reply!
I was under the impression that inflating, flattening and registration didn't
change the number of verteces in the mesh. That way, one can easily go from a
point in the flat mesh to the corresponding point in the original space. (ie,
if a vertex on the flatmap is vertex number 12,329, than one need only get the
coordinates of the 12,329th vertex of the corresponding cortical mesh.)
I couldn't find a tutorial that shows how to do the surface-based registration
to an atlas such that it changes the number of vertices (for example to '74k').
On Apr 9, 2011, at 8:25 PM, David Van Essen wrote:
> Colin,
>
> Segmentation produces a 'native mesh' whose exact node number cannot be
> prespecified in Caret (or in other segmentation algorithms I know about).
>
> The 73,730-node mesh ('74k' in our latest lingo) arises from surface-based
> registration to an atlas - either the macaque F99 atlas (a 74k_f99 mesh) or
> the human PALS-B12 atlas (a 74k_pals mesh) - using the appropriate tutorial.
>
> David VE
>
>
> On Apr 8, 2011, at 6:48 PM, Colin Davey wrote:
>
>> Hi,
>>
>> How do you create a 73,730 standard-mesh with Caret? I assume you begin by
>> going through segmentation, flattening and registration process from the
>> tutorial of the same name. But then what?
>>
>> Cheers,
>> - C
>>
>> ***************************************
>> Colin Davey
>> Scientist
>> Senior Software Engineer
>>
>> Electrical Geodesics, Inc.
>> 1600 Millrace Dr. St 307
>> Eugene, OR 97403
>>
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>> http://www.ColinDavey.com/BoogieWoogie
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