[vtkusers] Creating a 3DImageData from slices

[Romuald BERTRAND]

I'm not very familiar with vtk, I have tried this :

    viewer->SetInputConnection(transfo3D->GetOutputPort());
    viewer->SetSlice(lastOne);
    viewer->SetColorWindow(2000);
    viewer->SetColorLevel(1000);
    
    Refresh();

 
 
 

> Message du 28/05/08 16:15
> De : "Amy Squillacote" 
> A : "Romuald BERTRAND" 
> Copie à : vtkusers at vtk.org
> Objet : Re: [vtkusers] Creating a 3DImageData from slices
> 
> How are you displaying the volume?
> - Amy
> 
> Romuald BERTRAND wrote:
> >
> > Hi Amy,
> >
> > Thanks for your help, but I have already tried this loop, just after 
> > sending the email. And when I display the volume, it doesn't appear 
> > (just a black screen). Do you know why?
> >
> > Thanks for your help,
> >
> > Romu
> >
> >
> >
> >
> >
> >     > Message du 28/05/08 15:44
> >     > De : "Amy Squillacote"
> >     > A : "Romuald BERTRAND"
> >     > Copie à : vtkusers at vtk.org
> >     > Objet : Re: [vtkusers] Creating a 3DImageData from slices
> >     >
> >     > Hi Romu,
> >     >
> >     > Try replacing your "for" loop with the following. (You also
> >     won't need
> >     > "int importPort(0);".)
> >     >
> >     > for (int i = 0; i < lastOne; i++)
> >     > {
> >     > transfo3D->AddInput(img[i]);
> >     > }
> >     >
> >     > - Amy
> >     >
> >     > Romuald BERTRAND wrote:
> >     > >
> >     > > Hi, my code is :
> >     > >
> >     > > / vtkImageAppend* transfo3D = vtkImageAppend::New();
> >     > >
> >     > > int inputPort(0);
> >     > >
> >     > > for( int i=0; i
> >     > > {
> >     > > transfo3D->SetInput(inputPort, img[i]);
> >     > >
> >     > > inputPort++;
> >     > > }
> >     > >
> >     > > transfo3D->SetAppendAxis(2);
> >     > >
> >     > > viewer->SetInputConnection(transfo3D->GetOutputPort());
> >     > > viewer->SetSlice(lastOne);
> >     > > viewer->SetColorWindow(2000);
> >     > > viewer->SetColorLevel(1000);
> >     > >
> >     > > Refresh();
> >     > > /
> >     > > I think there is a lot of errors, but I don't know how to use
> >     this class.
> >     > >
> >     > > Thanks for help
> >     > >
> >     > > Romu
> >     > >
> >     > >
> >     > >
> >     > >
> >     > >
> >     > > > Message du 27/05/08 16:36
> >     > > > De : "Amy Squillacote"
> >     > > > A : "Romuald BERTRAND"
> >     > > > Copie à : vtkusers at vtk.org
> >     > > > Objet : Re: [vtkusers] Creating a 3DImageData from slices
> >     > > >
> >     > > > Hi Romu,
> >     > > >
> >     > > > Please post source code showing how you are trying to use
> >     > > > vtkImageAppend. In order for anyone on this list to help you
> >     > > track down
> >     > > > the problem, we need to see source code showing what you are
> >     doing.
> >     > > >
> >     > > > - Amy
> >     > > >
> >     > > > Romuald BERTRAND wrote:
> >     > > > >
> >     > > > > Hi Amy, thanks for your answer,
> >     > > > >
> >     > > > > But I have tried to make an algorithm with "vtkImageAppend",
> >     > > and I
> >     > > > > don't arrived.
> >     > > > > Someone know how can I use this class?
> >     > > > > I have severals 2D vtkImageData objects (the slices).
> >     > > > >
> >     > > > > Thanks a lot for answers.
> >     > > > >
> >     > > > > Romu
> >     > > > >
> >     > > > >
> >     > > > >
> >     > > > >
> >     > > > >
> >     > > > > > Message du 22/05/08 17:10
> >     > > > > > De : "Amy Squillacote"
> >     > > > > > A : "Romuald BERTRAND"
> >     > > > > > Copie à : vtkusers at vtk.org
> >     > > > > > Objet : Re: [vtkusers] Creating a 3DImageData from slices
> >     > > > > >
> >     > > > > > Hi Romu,
> >     > > > > >
> >     > > > > > Are the slices already loaded in VTK (i.e., multiple 2D
> >     > > > > vtkImageData
> >     > > > > > objects), or are you reading the slices from files?
> >     > > > > >
> >     > > > > > If they're already 2D vtkImageData objects, take a look at
> >     > > > > > vtkImageAppend
> >     > > > > >
> >     (http://www.vtk.org/doc/nightly/html/classvtkImageAppend.html).
> >     > > > > If you
> >     > > > > > have X-Y slices, then the "append axis" should be the Z
> >     axis.
> >     > > > > >
> >     > > > > > If you're reading the slices from files, subclasses of
> >     > > > > vtkImageReader2
> >     > > > > >
> >     (http://www.vtk.org/doc/nightly/html/classvtkImageReader2.html)
> >     > > > > will
> >     > > > > > handle this for you. You can pass in either a list of
> >     file names
> >     > > > > or a
> >     > > > > > file pattern to tell the reader how to get the data files.
> >     > > > > >
> >     > > > > > - Amy
> >     > > > > >
> >     > > > > > Romuald BERTRAND wrote:
> >     > > > > > >
> >     > > > > > > Hi all,
> >     > > > > > >
> >     > > > > > > Someone know how creating a 3DImageData from 2D slices?
> >     > > > > > > Thanks for answers,
> >     > > > > > >
> >     > > > > > > Romu
> >     > > > > > >
> >     > > > > > >
> >     > > > >
> >     > >
> >     ------------------------------------------------------------------------
> >     > > > > > >
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> >     > > > > >
> >     > > > > > --
> >     > > > > > Amy Squillacote Phone: (256) 726-4839
> >     > > > > > Computer Scientist Fax: (256) 726-4806
> >     > > > > > CFD Research Corporation Web: http://www.cfdrc.com
> >     > > > > > 215 Wynn Drive, Suite 501
> >     > > > > > Huntsville, AL 35805
> >     > > > > >
> >     > > > > >
> >     > > > > >
> >     > > > > >
> >     > > > >
> >     > > >
> >     > > > --
> >     > > > Amy Squillacote Phone: (256) 726-4839
> >     > > > Computer Scientist Fax: (256) 726-4806
> >     > > > CFD Research Corporation Web: http://www.cfdrc.com
> >     > > > 215 Wynn Drive, Suite 501
> >     > > > Huntsville, AL 35805
> >     > > >
> >     > > >
> >     > > >
> >     > > >
> >     > >
> >     >
> >     > --
> >     > Amy Squillacote Phone: (256) 726-4839
> >     > Computer Scientist Fax: (256) 726-4806
> >     > CFD Research Corporation Web: http://www.cfdrc.com
> >     > 215 Wynn Drive, Suite 501
> >     > Huntsville, AL 35805
> >     >
> >     >
> >     >
> >     >
> >
> 
> -- 
> Amy Squillacote                    Phone: (256) 726-4839
> Computer Scientist                 Fax: (256) 726-4806
> CFD Research Corporation           Web: http://www.cfdrc.com
> 215 Wynn Drive, Suite 501
> Huntsville, AL  35805
> 
> 
> 
> 
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