[vtkusers] Re: vtkImageTracerWidget & vtkBMPWriter (Flo)
Flo
snrf at no-log.org
Sat Sep 1 11:40:08 EDT 2007
Hi,
You can do what ever you want with any images from
vtkImageTracerWidget. I am able to do anything I want with it so you
should be too.
If you don't see anything with this function this might means 2 things:
1-the extrusion is not orientate in the proper direction (you have to
change it depending on the plane)
2-you did not set properly the OrientationAxes
vtkImageTracer, like vtkImagePlaneWidget, do not pass pointer/
reference, but are link to the original data in memory. Thus you need
to make sure the DeepCopy is properly set up, at the proper place, to
isolate your data in memory from the Tracer to your new pipeline
(i.e. vtkBMPwriter).
There should not be any problem. My advise would be to start what you
want to do with the ITK example, just adding the bmpWriter, and then
incrementally look for your mistake (as I assume there is one
somewhere) in your own code.
vtkBmpWriter write, I guess, any vtkImageData you pass to it, or any
pipeline possibly originating from a vtkImagedata thus no problem
should be encountered.
The widgets always need tricky work before working in one's own
program but when they do they are really helpful !!!
regards,
florent.
PS: you should use the reply all, not reply me only in your emails.
On 31-Aug-07, at 11:32 PM, JohnMark wrote:
> Hi , Flo :
> thank you for your quick reply ! and I have used your pipeline
> and retested it again , but I still
> get nothing . can vtkBMPWriter only save the x-y axes picture
> ( axial view ) ? or vtkBMPWriter can do
> nothing for the y-z axes picture ( coronal view ) ? because the
> picture shown in the example
> of TestImageTraceWidget.cxx is the y-z axes picture ( or the
> coronal view ) .
> what's more , in order to solve this problem , I have rewrite
> this example , just like :
> first of all , setting the picture shown :
> vtkImageActor* imageActor1 = vtkImageActor::New();
> imageActor1->SetInput(shifter->GetOutput());
> imageActor1->SetDisplayExtent(0, 511, 0, 511, 10, 10);
> then , modifying the codes of vtkImageTracerWidget and
> vtkSplineWidget:
> vtkImageTracerWidget* imageTracerWidget =
> vtkImageTracerWidget::New();
> imageTracerWidget->SetProjectionNormalToZAxes(); //****
> show the x-y axes picture
> ......
> vtkSplineWidget* splineWidget = vtkSplineWidget::New();
> splineWidget->SetProjectionNormalToZAxes();
> ......
> at last , I write the codes as your pipeline , but I get nothing in
> the render window ( I can see two
> picture in the render window before I have modified it ) , and I
> have reset the camera ! what's wrong
> with it ?
> another question , can you save the result of
> vtkIamgeTracerWidget using vtkBMPWriter ? or the
> widget result could not be saved but jsut to shown ?
> thank you with regards ! waiting for your reply !
> Mark
>
> PS. I test it by vtkJPEGWriter , but the result is the same as
> vtkBMPWriter .
>
>
>
> > CC: vtkusers at vtk.org
> > From: snrf at no-log.org
> > Subject: Re: vtkImageTracerWidget & vtkBMPWriter (Flo)
> > Date: Fri, 31 Aug 2007 09:11:22 -0400
> > To: zhaojunxp at hotmail.com
> >
> > Hi Mark:
> >
> > Here is the kind of pipeline I'm using -
> >
> > /*
> > vtkImageTracerWidget->vtkSplineWidget
> > vtkPolyData->vtkLinearExtrusionFilter
> > */
> >
> > // FOLLOWING THE TestImageTracerWidget.CXX AS A REFERENCE //
> >
> > vtkLinearExtrusionFilter* extrude = vtkLinearExtrusionFilter::New();
> > extrude->SetInput(splinePoly);
> > extrude->SetScaleFactor(1);
> > extrude->SetExtrusionTypeToNormalExtrusion();
> > extrude->SetVector(0, 0, 1);
> >
> > vtkPolyDataToImageStencil* dataToStencil =
> > vtkPolyDataToImageStencil::New();
> > dataToStencil->SetInputConnection(extrude->GetOutputPort());
> >
> > stencil = vtkImageStencil::New();
> > stencil->SetInputConnection(extract->GetOutputPort());
> > stencil->SetStencil(dataToStencil->GetOutput());
> > stencil->ReverseStencilOff();
> > stencil->SetBackgroundValue(128);
> >
> > stencil->UpdateWholeExtent();
> >
> > vtkImageData *ROIData = vtkImageData::New();
> > ROIData->DeepCopy(stencil->GetOutput());
> >
> > HTH
> > Flo.
> >
> > On 30-Aug-07, at 11:22 PM, JohnMark wrote:
> >
> > > Hello , Flo ,
> > > thank you for your reply , but I have tested it for the whole
> > > morning , but I still get nothing . I writer a small test code
> > > using a vtkImageActor and making it shown in the render window ,
> > > but what I get is just a line . I have tried vtkImageSlice to
> > > transform it , unfortunately , if I use it , my program will stop
> > > at once . maybe vtkImageSlice can not be shown in the render
> > > window . this is my code as follows , could you help me to test
> > > what is wrong with it ? thank you very much !
> > >
> > >
> > > vtkBMPWriter *bmp;
> > > vtkLinearExtrusionFilter* extrude;
> > > vtkPolyDataToImageStencil* dataToStencil;
> > > vtkImageStencil* stencil;
> > > vtkImageCast * readerImageCast;
> > > vtkJPEGWriter * jpg;
> > > class SaveCommand : public vtkCommand
> > > {
> > > public:
> > > static SaveCommand *New() { return new SaveCommand; }
> > > void Delete() { delete this; }
> > > virtual void Execute(vtkObject *caller, unsigned long l, void
> > > *callData)
> > > {
> > > bmp->Update();
> > > bmp->Write();
> > > }
> > > };
> > > class vtkITWCallback : public vtkCommand
> > > {
> > > public:
> > > static vtkITWCallback *New()
> > > { return new vtkITWCallback; }
> > > virtual void Execute(vtkObject *caller, unsigned long, void*)
> > > {
> > > vtkImageTracerWidget *tracerWidget =
> > > reinterpret_cast<vtkImageTracerWidget*>(caller);
> > > if(!tracerWidget) { return; }
> > > int closed = tracerWidget->IsClosed();
> > > SplineWidget->SetClosed(closed);
> > > if (!closed)
> > > {
> > > Actor->SetInput(Extract->GetOutput());
> > > }
> > > int npts = tracerWidget->GetNumberOfHandles();
> > > if (npts < 2) { return; }
> > > tracerWidget->GetPath(PathPoly);
> > > vtkPoints* points = PathPoly->GetPoints();
> > > if (!points){ return; }
> > > SplineWidget->InitializeHandles(points);
> > > if (closed)
> > > {
> > > SplineWidget->GetPolyData(SplinePoly);
> > > Stencil->Update();
> > > Actor->SetInput(Stencil->GetOutput());
> > > vtkImageData * imagedata = vtkImageData::New();
> > > imagedata->DeepCopy((vtkDataObject *)Stencil->GetOutput());
> > > vtkImageActor * test = vtkImageActor::New();
> > > test->SetInput(imagedata);
> > > vtkRenderer * ren = vtkRenderer::New();
> > > vtkRenderWindow * renwin = vtkRenderWindow::New();
> > > renwin->AddRenderer(ren);
> > > ren->AddActor(test);
> > > renwin->SetPosition(300,300);
> > > renwin->SetSize(300,300);
> > > renwin->Render();
> > > vtkRenderWindowInteractor * iren =
> vtkRenderWindowInteractor::New();
> > > iren->SetRenderWindow(renwin);
> > > iren->Initialize();
> > > iren->Start();
> > > }
> > > }
> > > vtkITWCallback():SplineWidget(0),Actor(0),Stencil(0),Extract(0),
> > > PathPoly(0),SplinePoly(0){}
> > > vtkSplineWidget *SplineWidget;
> > > vtkImageActor *Actor;
> > > vtkImageStencil *Stencil;
> > > vtkExtractVOI *Extract;
> > > vtkPolyData *PathPoly;
> > > vtkPolyData *SplinePoly;
> > > };
> > > class vtkSW2Callback : public vtkCommand
> > > {
> > > public:
> > > static vtkSW2Callback *New()
> > > { return new vtkSW2Callback; }
> > > virtual void Execute(vtkObject *caller, unsigned long, void*)
> > > {
> > > vtkSplineWidget *splineWidget =
> > > reinterpret_cast<vtkSplineWidget*>(caller);
> > > if(!splineWidget) { return; }
> > > int npts = splineWidget->GetNumberOfHandles();
> > > int closed = splineWidget->IsClosed();
> > > Points->Reset();
> > > for (int i = 0; i < npts; ++i)
> > > {
> > > Points->InsertNextPoint(splineWidget->GetHandlePosition(i));
> > > }
> > > if (closed)
> > > {
> > > if (TracerWidget->GetAutoClose())
> > > {
> > > Points->InsertNextPoint(splineWidget->GetHandlePosition(0));
> > > }
> > > splineWidget->GetPolyData(SplinePoly);
> > > Stencil->Update();
> > > //Actor->SetInput(Stencil->GetOutput());
> > > }
> > > TracerWidget->InitializeHandles(Points);
> > > }
> > > vtkSW2Callback():Points(0),TracerWidget(0),Actor(0),Stencil
> > > (0),SplinePoly(0){}
> > > vtkPoints *Points;
> > > vtkImageTracerWidget *TracerWidget;
> > > vtkImageActor *Actor;
> > > vtkImageStencil *Stencil;
> > > vtkPolyData *SplinePoly;
> > > };
> > > int TestImageTracerWidget()
> > > {
> > > vtkMapper::SetResolveCoincidentTopologyToPolygonOffset();
> > > vtkMapper::SetResolveCoincidentTopologyPolygonOffsetParameters
> > > (10,10);
> > > vtkDICOMImageReader *reader = vtkDICOMImageReader::New();
> > > reader->SetDataByteOrderToLittleEndian();
> > > reader->SetDirectoryName("E:\\Data1\\chest");
> > > reader->SetDataSpacing(3.2, 3.2, 1.5);
> > > reader->SetDataOrigin(0.0, 0.0, 0.0);
> > > vtkImageCast *readerImageCast1 = vtkImageCast::New();
> > > readerImageCast1->SetInputConnection(reader->GetOutputPort());
> > > readerImageCast1->SetOutputScalarTypeToUnsignedChar();
> > > readerImageCast1->ClampOverflowOn();
> > > vtkRenderer* ren1 = vtkRenderer::New();
> > > vtkRenderer* ren2 = vtkRenderer::New();
> > > vtkRenderWindow* renWin = vtkRenderWindow::New();
> > > renWin->AddRenderer(ren1);
> > > renWin->AddRenderer(ren2);
> > > vtkInteractorStyleImage* interactorStyle =
> > > vtkInteractorStyleImage::New();
> > > vtkRenderWindowInteractor* iren = vtkRenderWindowInteractor::New
> ();
> > > iren->SetInteractorStyle(interactorStyle);
> > > iren->SetRenderWindow(renWin);
> > > double range[2];
> > > readerImageCast1->GetOutput()->GetScalarRange(range);
> > > vtkImageShiftScale* shifter = vtkImageShiftScale::New();
> > > shifter->SetShift(-1.0*range[0]);
> > > shifter->SetScale(255.0/(range[1]-range[0]));
> > > shifter->SetOutputScalarTypeToUnsignedChar();
> > > shifter->SetInputConnection(readerImageCast1->GetOutputPort());
> > > shifter->ReleaseDataFlagOff();
> > > shifter->Update();
> > > vtkImageActor* imageActor1 = vtkImageActor::New();
> > > imageActor1->SetInput(shifter->GetOutput());
> > > imageActor1->VisibilityOn();
> > > imageActor1->SetDisplayExtent(250, 250, 0, 511, 0, 21);
> > > imageActor1->InterpolateOff();
> > > vtkExtractVOI* extract = vtkExtractVOI::New();
> > > extract->SetVOI(imageActor1->GetDisplayExtent());
> > > extract->SetSampleRate(1, 1, 1);
> > > extract->SetInputConnection(shifter->GetOutputPort());
> > > extract->ReleaseDataFlagOff();
> > > vtkImageActor* imageActor2 = vtkImageActor::New();
> > > imageActor2->SetInput(extract->GetOutput());
> > > imageActor2->VisibilityOn();
> > > imageActor2->SetDisplayExtent(extract->GetVOI());
> > > imageActor2->InterpolateOff();
> > > vtkImageTracerWidget* imageTracerWidget =
> > > vtkImageTracerWidget::New();
> > > imageTracerWidget->SetDefaultRenderer(ren1);
> > > imageTracerWidget->SetCaptureRadius(1.5);
> > > imageTracerWidget->GetGlyphSource()->SetColor(1, 1, 1);
> > > imageTracerWidget->GetGlyphSource()->SetScale(3.0);
> > > imageTracerWidget->GetGlyphSource()->SetRotationAngle(45.0);
> > > imageTracerWidget->GetGlyphSource()->Modified();
> > > imageTracerWidget->ProjectToPlaneOn();
> > > imageTracerWidget->SetProjectionNormalToXAxes();
> > > imageTracerWidget->SetProjectionPosition(imageActor1->GetBounds
> > > ()[0]);
> > > imageTracerWidget->SetViewProp(imageActor1);
> > > imageTracerWidget->SetInput(shifter->GetOutput());
> > > imageTracerWidget->SetInteractor(iren);
> > > imageTracerWidget->PlaceWidget();
> > > imageTracerWidget->SnapToImageOn();
> > > imageTracerWidget->AutoCloseOn();
> > > vtkSplineWidget* splineWidget = vtkSplineWidget::New();
> > > splineWidget->SetCurrentRenderer(ren2);
> > > splineWidget->SetDefaultRenderer(ren2);
> > > splineWidget->SetInput(extract->GetOutput());
> > > splineWidget->SetInteractor(iren);
> > > splineWidget->PlaceWidget(imageActor2->GetBounds());
> > > splineWidget->ProjectToPlaneOn();
> > > splineWidget->SetProjectionNormalToXAxes();
> > > splineWidget->SetProjectionPosition(imageActor2->GetBounds()[0]);
> > > splineWidget->ClosedOn();
> > > vtkPolyData* pathPoly = vtkPolyData::New();
> > > vtkPoints* points = vtkPoints::New();
> > > vtkPolyData* splinePoly = vtkPolyData::New();
> > > extrude = vtkLinearExtrusionFilter::New();
> > > extrude->SetInput(splinePoly);
> > > extrude->SetScaleFactor(1);
> > > extrude->SetExtrusionTypeToNormalExtrusion();
> > > extrude->SetVector(1, 0, 0);
> > > dataToStencil = vtkPolyDataToImageStencil::New();
> > > dataToStencil->SetInputConnection(extrude->GetOutputPort());
> > > stencil = vtkImageStencil::New();
> > > stencil->SetInputConnection(extract->GetOutputPort());
> > > stencil->SetStencil(dataToStencil->GetOutput());
> > > stencil->SetBackgroundValue(-1000);
> > > readerImageCast = vtkImageCast::New();
> > > readerImageCast->SetInput((vtkDataObject *)stencil->GetOutput());
> > > readerImageCast->SetOutputScalarTypeToUnsignedChar();
> > > readerImageCast->ClampOverflowOn();
> > > bmp = vtkBMPWriter::New();
> > > bmp->SetInput(readerImageCast->GetOutput());
> > > bmp->SetFileName("E:/Data/bmptest.bmp");
> > > vtkITWCallback* itwCallback = vtkITWCallback::New();
> > > itwCallback->SplineWidget = splineWidget;
> > > itwCallback->Actor = imageActor2;
> > > itwCallback->Stencil = stencil;
> > > itwCallback->Extract = extract;
> > > itwCallback->PathPoly = pathPoly;
> > > itwCallback->SplinePoly = splinePoly;
> > > imageTracerWidget->AddObserver
> > > (vtkCommand::EndInteractionEvent,itwCallback);
> > > vtkSW2Callback* swCallback = vtkSW2Callback::New();
> > > swCallback->Points = points;
> > > swCallback->TracerWidget = imageTracerWidget;
> > > swCallback->Actor = imageActor2;
> > > swCallback->Stencil = stencil;
> > > swCallback->SplinePoly = splinePoly;
> > > splineWidget->AddObserver
> > > (vtkCommand::EndInteractionEvent,swCallback);
> > > ren1->SetBackground(0.4, 0.4, 0.5);
> > > ren1->SetViewport(0, 0, 0.5, 1);
> > > ren1->AddViewProp(imageActor1);
> > > ren2->SetBackground(0.5, 0.4, 0.4);
> > > ren2->SetViewport(0.5, 0, 1, 1);
> > > ren2->AddViewProp(imageActor2);
> > > ren1->ResetCamera();
> > > ren2->ResetCamera();
> > > renWin->SetSize(480, 240);
> > > imageTracerWidget->On();
> > > splineWidget->On();
> > > vtkCamera* cam = ren1->GetActiveCamera();
> > > cam->SetViewUp(0, 1, 0);
> > > cam->Azimuth(270);
> > > cam->Roll(270);
> > > cam->Dolly(1.7);
> > > ren1->ResetCameraClippingRange();
> > > cam = ren2->GetActiveCamera();
> > > cam->SetViewUp(0, 1, 0);
> > > cam->Azimuth(270);
> > > cam->Roll(270);
> > > cam->Dolly(1.7);
> > > ren2->ResetCameraClippingRange();
> > > SaveCommand * save = SaveCommand::New();
> > > iren->AddObserver(vtkCommand::KeyReleaseEvent,save);
> > > iren->Initialize();
> > > renWin->Render();
> > > iren->Start();
> > > return 0;
> > > }
> > > void main()
> > > {
> > > int i = TestImageTracerWidget();
> > > }
> > >
> > > thank you with great regards ! and waiting for your answer !
> > > Mark
> > > PS . maybe there is something wrong , I can not receive your
> > > answer mail , sorry !
> > >
> > >
> > >
> > > >
> > > > Message: 19
> > > > Date: Thu, 30 Aug 2007 10:47:33 -0400
> > > > From: Flo <snrf at no-log.org>
> > > > Subject: Re: [vtkusers] vtkImageTracerWidget & vtkBMPWriter
> > > > To: JohnMark <zhaojunxp at hotmail.com>
> > > > Cc: "vtkusers at vtk.org" <vtkusers at vtk.org>
> > > > Message-ID: <526C1A4F-7EA1-4C19-9D51-3413CD1109F3 at no-log.org>
> > > > Content-Type: text/plain; charset=UTF-8; delsp=yes;
> format=flowed
> > > >
> > > > Mark:
> > > >
> > > > From my experience, there is a pointer reference issue.
> > > > I overcame it by using a temp vtkImageData to which I ->DeepCopy
> > > > (TracerWidget->GetOutput()).
> > > > After that, you just work with the vtkImageData and you'll be
> fine.
> > > >
> > > > HTH
> > > > Flo.
> > > >
> > > > On 29-Aug-07, at 8:56 PM, JohnMark wrote:
> > > >
> > > > > Hello , vtkusers ,
> > > > > I want to extract any regions from a 2D CT slice , so I use
> the
> > > > > vtkImageTracerWidget . surely , it is perfect , I can clip any
> > > > > regions . but there is the problem coming : I want to save the
> > > > > result with vtkBMPWriter :
> > > > >
> > > > > vtkImageCast * readerImageCast = vtkImageCast::New();
> > > > > // its data from the output of vtkImageStencil
> > > > > readerImageCast->SetInput((vtkDataObject *)stencil-
> >GetOutput());
> > > > > readerImageCast->SetOutputScalarTypeToUnsignedChar();
> > > > > vtkBMPWriter * bmp = vtkBMPWriter::New();
> > > > > bmp->SetInput(readerImageCast1->GetOutput());
> > > > > bmp->SetFileName("C:/test.bmp");
> > > > > bmp->Write(); // problem !!!! it does not work any more !
> > > > > bmp->Update();
> > > > >
> > > > > however , it does not work , what I got is just a black line
> > > > > ( nothing ) . and then I change my method , I add a
> > > KeyReleaseEvent
> > > > > and a AddObserver of vtkRenderWindowInteractor , the render
> window
> > > > > would capture the message when the key was released and I
> get the
> > > > > region , then I will save the result , but I still get
> nothing .
> > > > >
> > > > > so what is wrong with my thinking ? and I know the
> > > > > vtkImageTracerWidget class wrap the vtkImageViewer ,
> vtkActor and
> > > > > so on , I can save the result rendering in the
> vtkImageViewer ,
> > > but
> > > > > I can do nothing with the result of vtkImageTracerWidget .
> we can
> > > > > not save the result but just to see it , isn't it ? if it
> is not ,
> > > > > is there any method or any class to save it ?
> > > > >
> > > > > thank you with great regards ! and waiting for your answer !
> > > > >
> > > > > Mark
> > > > >
> > > > > PS . this is a problem I have been thinking for almost a
> > > > > month , I still get nothing now .
> > > > >
> > > > >
> > > > > 使用新一代 Windows Live Messenger
> > > è½»æ¾äº¤æµå’Œå…±äº«ï¼ ç«‹
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> > > > > _______________________________________________
> > > > > This is the private VTK discussion list.
> > > > > Please keep messages on-topic. Check the FAQ at: http://
> > > www.vtk.org/
> > > > > Wiki/VTK_FAQ
> > > > > Follow this link to subscribe/unsubscribe:
> > > > > http://www.vtk.org/mailman/listinfo/vtkusers
> > > >
> > >
> > > > Message: 22
> > > > Date: Thu, 30 Aug 2007 11:04:31 -0400
> > > > From: Flo <snrf at no-log.org>
> > > > Subject: Re: [vtkusers] vtkImageTracerWidget & vtkBMPWriter
> > > > To: JohnMark <zhaojunxp at hotmail.com>
> > > > Cc: "vtkusers at vtk.org" <vtkusers at vtk.org>
> > > > Message-ID: <DB3B1816-BE07-4CB3-90F3-7C8B10737ADB at no-log.org>
> > > > Content-Type: text/plain; charset=UTF-8; delsp=yes;
> format=flowed
> > > >
> > > > Mark:
> > > >
> > > > From my experience, there is a pointer reference issue.
> > > > I overcame it by using a temp vtkImageData to which I ->DeepCopy
> > > > (TracerWidget->GetOutput()).
> > > > After that, you just work with the vtkImageData and you'll be
> fine.
> > > >
> > > > HTH
> > > > Flo.
> > > >
> > > > On 29-Aug-07, at 8:56 PM, JohnMark wrote:
> > > >
> > > > > Hello , vtkusers ,
> > > > > I want to extract any regions from a 2D CT slice , so I use
> the
> > > > > vtkImageTracerWidget . surely , it is perfect , I can clip any
> > > > > regions . but there is the problem coming : I want to save the
> > > > > result with vtkBMPWriter :
> > > > >
> > > > > vtkImageCast * readerImageCast = vtkImageCast::New();
> > > > > // its data from the output of vtkImageStencil
> > > > > readerImageCast->SetInput((vtkDataObject *)stencil-
> >GetOutput());
> > > > > readerImageCast->SetOutputScalarTypeToUnsignedChar();
> > > > > vtkBMPWriter * bmp = vtkBMPWriter::New();
> > > > > bmp->SetInput(readerImageCast1->GetOutput());
> > > > > bmp->SetFileName("C:/test.bmp");
> > > > > bmp->Write(); // problem !!!! it does not work any more !
> > > > > bmp->Update();
> > > > >
> > > > > however , it does not work , what I got is just a black line
> > > > > ( nothing ) . and then I change my method , I add a
> > > KeyReleaseEvent
> > > > > and a AddObserver of vtkRenderWindowInteractor , the render
> window
> > > > > would capture the message when the key was released and I
> get the
> > > > > region , then I will save the result , but I still get
> nothing .
> > > > >
> > > > > so what is wrong with my thinking ? and I know the
> > > > > vtkImageTracerWidget class wrap the vtkImageViewer ,
> vtkActor and
> > > > > so on , I can save the result rendering in the
> vtkImageViewer ,
> > > but
> > > > > I can do nothing with the result of vtkImageTracerWidget .
> we can
> > > > > not save the result but just to see it , isn't it ? if it
> is not ,
> > > > > is there any method or any class to save it ?
> > > > >
> > > > > thank you with great regards ! and waiting for your answer !
> > > > >
> > > > > Mark
> > > > >
> > > > > PS . this is a problem I have been thinking for almost a
> > > > > month , I still get nothing now .
> > > > >
> > > > >
> > > > > 使用新一代 Windows Live Messenger
> > > è½»æ¾äº¤æµå’Œå…±äº«ï¼ ç«‹
> > > > > å³ä½“验ï¼
> > > > > _______________________________________________
> > > > > This is the private VTK discussion list.
> > > > > Please keep messages on-topic. Check the FAQ at: http://
> > > www.vtk.org/
> > > > > Wiki/VTK_FAQ
> > > > > Follow this link to subscribe/unsubscribe:
> > > > > http://www.vtk.org/mailman/listinfo/vtkusers
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > > 不登录就能管理多个邮件帐户，试试 Windows Live
> > > Mail。 立即尝试！
> >
>
>
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