Hi Regine,
Tiny addition: If you would like to perform the calculation on all points
of the centerline, replace in Luca's script ids
with range(pdi.GetNumberOfPoints()).
Arjan
On Thu, May 24, 2012 at 4:34 PM, Luca Antiga <luca.ant...@orobix.com> wrote:
> Hi Regine,
> this way:
>
>
> ids = [10,11,12,13]
>
> pdi = self.GetPolyDataInput()
> pdo = self.GetPolyDataOutput()
> pdo.DeepCopy(pdi)
> for id in ids:
> radiusArray = pdo.GetPointData().GetArray("MaximumInscribedSphereRadius")
> radius = radiusArray.GetValue(id)
> radiusArray.SetValue(id,radius+0.2)
>
> Best,
>
>
> Luca
>
>
> On May 24, 2012, at 4:11 PM, Regine Schmidt wrote:
>
>
> Hi Luca,
>
> thanks a million! This works fine!
> But is there also a way to define different radii to the single
> centerline-points (I tried some things with Paraview, but wasn't
> successful)? At the moment I get the same radius (the value defined in the
> filter) for each segment and cannot change this. But I would like to
> enlarge each MaximumInscribedSphereRadius by the same value (i.e.
> R1+0.2,R2+0.2,...,Rn+0.2) (the new geometry should surround my former
> geometry).
>
> Thank you for your help!
> Regine
> *Gesendet:* Donnerstag, 24. Mai 2012 um 09:56 Uhr
> *Von:* "Luca Antiga" <luca.ant...@orobix.com>
> *An:* richschm...@web.de
> *Cc:* "Berkowitz, Benjamin M" <benjamin-berkow...@uiowa.edu>, "<
> vmtk-users@lists.sourceforge.net>" <vmtk-users@lists.sourceforge.net>
> *Betreff:* Re: [vmtk-users] change radius at centerlinemodeller
> Hi Regine and Ben,
> indeed the tec solution (or also the vtk text format - .vtk extension,
> not .vtp) is a good one.
>
> I think I found an interactive solution as well that requires Paraview (
> www.paraview.org).
>
> Open your centerlines file in Paraview (the original centerlienes, in vtp
> format).
>
> On the menu, go to View -> Selection Inspector.
>
> Click on the point selection tool (it's in the toolbar, see screenshot).
>
> Drag your mouse on the rendering window above the centerlines, you should
> see
> pink squares highlighting the points you selected.
>
> At the same time, you should see a list of point ids in the selection
> inspector.
>
> Go to Filters -> Alphabetical -> Programmable Filter.
>
> Copy and paste the following code in the "Script" text box. Replace the
> ids with the
> list of the ids you see in the selection inspector. Set the radius to a
> sensible value.
>
> ids = [10,11,12,13]
> radius = 1000.0
> pdi = self.GetPolyDataInput()
> pdo = self.GetPolyDataOutput()
> pdo.DeepCopy(pdi)
> for id in ids:
>
> pdo.GetPointData().GetArray("MaximumInscribedSphereRadius").SetValue(id,radius)
>
> Click on the Apply button. At this point, the output dataset should have
> the new radius.
>
> You can repeat the operation as many times as you need.
>
> When you're done, you can save your dataset (File->Save Data) in vtp
> format.
>
> Cheers
>
>
> Luca
>
> <PastedGraphic-1.png>
>
> On May 24, 2012, at 9:22 AM, richschm...@web.de wrote:
>
>
> Hi Ben,
>
> thank you for your help!
> I saved the centerline file as *.tec now and the data looks good, but I
> cannot create a geometry out of this file via centerlinemodeller (I tried
> it several times and got a file, but this is only 1 kB and I cannot open
> it). Another thing is, is there a software, with which I can edit my data
> (to change the radius) and save the file as *.tec afterwards again (we
> don't have tecplot in our group)?
> Thanks a million for all ideas and help!
> Regine
> *Gesendet:* Mittwoch, 23. Mai 2012 um 14:34 Uhr
> *Von:* "Berkowitz, Benjamin M" <benjamin-berkow...@uiowa.edu>
> *An:* "Regine Schmidt" <richschm...@web.de>
> *Cc:* "<vmtk-users@lists.sourceforge.net>" <
> vmtk-users@lists.sourceforge.net>
> *Betreff:* Re: [vmtk-users] change radius at centerlinemodeller
> Regine,
>
> You can export it and read it in as a .tec (tecplot file). VTK has
> problems reading in .dat files from what I've seen, but .tec files are also
> ANSII and are able to be read in.
>
> Ben
>
>
> On May 23, 2012, at 2:47 AM, Regine Schmidt wrote:
>
> Dear all,
>
> I am using the vmtkcenterlinemodeller and wanted to use a larger radius
> for my modell construction as that stored in the centerline file. My
> original plan was to save the centerline file as *.dat and change the
> radius manual (using excel or sth. else), but I cannot use the
> centerline.dat file to create my modell via vmtkcenterlinemodeller
> afterwards (it just works with the centerline.vtp file and at this type of
> file I don't know how to change the radius).
> Does anybody have an idea how I could solve this problem?
> Thanks a million for all ideas and help!
> Regine
>
>
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