Hi Ben,
work has kept me from replying earlier.
Apart from the usual seeding modes, such as pickpoint and openprofiles, you can
use a couple more strategies to specify seeds from the command line, with which
you can make sure you're using the exact same points for seeds and targets.
In this case, vmtkcenterlines accepts two kinds of inputs: point ids
(-seedselector idlist) or physical coordinates (-seedselector pointlist). Point
ids are the actual id's of the surface mesh nodes. Physical coordinates are
triplets of X Y Z points.
Unfortunately, at the present stage, manually picked seeds are not piped, i.e.
you can't just go
vmtkcenterlines -seedselector pickpoint -ifile foo.vtp --pipe vmtkcenterlines
-seedselector pointlist -targetpoints @.seedpoints -seedpoints @.targetpoints
If would be a nice addition, though. Do you have the possibility of getting
vmtk from source? If so, I might add it this feature in in a short time.
Let me know
Luca
On Feb 8, 2012, at 5:53 PM, Berkowitz, Benjamin M wrote:
> I'm using vmtkcenterlines, and would like to perform a centerline
> calculation from multiple directions using the same point locations (i.e.,
> define a seed point as a target point and vice-versa in the second
> calculation). Is it possible to do so?
>
> Thanks,
> Ben Berkowitz
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