[Insight-users] ITK-VTK image and problems with includes in visual c++ express 2008

[Bill Lorensen]

PolyData cannot be written into a series of PNG files. PNG files and
other image types can only contain image data (pixels).

Neither VTK nor ITK support this.

On Thu, Dec 11, 2008 at 9:19 AM, Matthieu Duvinage
<matthieu.duvinage at gmail.com> wrote:
> Hello everybody,
>
> I'm working on a project in the medical field and I'm using VTK. However,
> the last module I have to create seems to be provided only by ITK. In fact,
> I have to transform a volume in a series of PNG files and the
> ImageSeriesWriter class seems to be devoted to that.
>
> 1) I have compiled the library with CMake and then done the build all and
> install process. I put the repertories in includes and librairies in visual
> studio express 2008 but I have a problem. The program says that the file I
> have to import is not in the directory whereas it is but in a deeper
> directory. I have again this problem when I put the deeper directory in the
> include directories with another file. Is it possible to enable an option in
> visual to force it to look in deeper directories ?
> 2) I would like to use the  normals image (see below) from a VTK class to
> use ImageSeriesWriter. Could you give me an example of how to use that ?
> Because I'm a bit lost with all the classes and the principle of pipeline. I
> have seen that there exist VTKimport or export classes to do something in
> this case but how do I have to do ?
>
> I hope I hear from you soon
>
>
> Matthieu
>
>
> vtkImageThreshold *mon_tre = vtkImageThreshold::New();
>  mon_tre->SetInput(Vol->GetOutput());
>  mon_tre->ThresholdByUpper(1300);
>  mon_tre->SetInValue(0);
>  mon_tre->SetOutValue(3000);
>  //mon_tre->ReplaceOutOff();
>  //mon_tre->ReplaceInOn();
>  mon_tre->Update();
>  vtkContourFilter *contours = vtkContourFilter::New();
>  contours->SetInput(mon_tre->GetOutput());
>  contours->SetValue(1,3000);
>
>  //marsh cube
>    // Iso-surface using marching cubes
>  vtkMarchingCubes* iso = vtkMarchingCubes::New();
>  iso->SetInput(mon_tre->GetOutput());
>  iso->SetValue(1,3000); // Surface #0, iso-value=1
>    //Decimation
>  vtkDecimatePro* decimate=vtkDecimatePro::New();
>  decimate->SetInput(iso->GetOutput());
>  decimate->SetTargetReduction(0.9);
>  decimate->PreserveTopologyOn();
>  decimate->SetMaximumError(0.0002);
>
>
>  // Smoothing
>  vtkSmoothPolyDataFilter* smoother =vtkSmoothPolyDataFilter::New();
>  smoother->SetInput(iso->GetOutput());
>  smoother->SetNumberOfIterations(200);
>  smoother->SetRelaxationFactor(0.05);
>  //smoother->FeatureEdgeSmoothingOn();
>  //smoother->BoundarySmoothingOn();
>
>  vtkPolyDataNormals *normals=vtkPolyDataNormals::New();
>  normals->SetInput(smoother->GetOutput());
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