Hi Anna,
Funny you should ask--I was just doing this yesterday. If you would like
to view a semi-transparent vessel surface with centerlines inside, add
this command to your pipe after the vmtkcenterlines command and its
arguments:
--pipe vmtkrenderer --pipe vmtksurfaceviewer -opacity 0.25 --pipe
vmtksurfaceviewer -i @vmtkcenterlines.o -array MaximumInscribedSphereRadius
The vmtkrenderer command creates a persistent viewer instance, and the
two following vmtksurfaceviewer plotting commands will be overlaid
together in the window. You can play around with the opacity and array
options to your liking. There is a very nice tutorial on centerlines on
the VMTK website that does a much better job of explaining all this than
I can: http://www.vmtk.org/Tutorials/Centerlines
Alternatively, if you would like to export your centerlines for external
viewing in a program like Paraview, you can add -ofile filename.vtp to
the vmtkcenterlines arguments to create a .vtp geometry file of just the
centerlines. So your command would look something like
vmtksurfacereader -ifile input.vtp --pipe vmtkcenterlines -ofile centerlines.vtp
Then you can load your input.vtp file (or whatever file format your
surface data might be...if not something Paraview can load, try
exporting it to .vtp from VMTK using vmtksurfacewriter) and then load
your centerlines.vtp files together in Paraview, set the surface opacity
to some low value like 0.3, and you will be able to view your
centerlines inside your surface.
I hope this helps,
Ian
On 12/13/2011 12:18 PM, Hoppe, Anna L wrote:
Hi VMTK users,
I am new to VMTK and I was wondering if there was a way in VMTK to
view a vessel network overlayed on the corresponding centerlines?
Right now I have successfully computed the centerlines for my vessel
network using the vmtkcenterlines command, I have also viewed the
computed centerlines using vmtkcenterlineviewer, I just wanted to
overlay the vessel surface and the computed centerlines to check to
see if they are correct...
Thanks for your help,
Anna
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