[vtkusers] could you help me to find the wrong place?

[胡健09060017]

firstly i want to say sorry. yesterday i send the same question, but i give the code which is not i want to give you. this is my code:

> #include <vtkSmartPointer.h>
> #include <vtkHAVSVolumeMapper.h>
> #include <vtkRenderer.h>
> #include <vtkRenderWindow.h>
> #include <vtkUnstructuredGridReader.h>
> #include <vtkRenderWindowInteractor.h>
> #include <vtkStructuredPointsReader.h>
> #include <vtkSLCReader.h>
> #include <vtkStructuredPoints.h>
> #include <vtkUnstructuredGrid.h>
> #include <vtkDataSetTriangleFilter.h>
> #include <vtkPiecewiseFunction.h>
> #include <vtkColorTransferFunction.h>
> #include <vtkVolumeProperty.h>
> #include <vtkVolume.h>
> #include <vtkContourFilter.h>
> #include <vtkPolyDataMapper.h>
> #include <vtkActor.h>
> #include <vtkStdString.h>
> #include <vtkTesting.h>
> #include <vtkPLOT3DReader.h>
> #include <vtkXMLUnstructuredGridReader.h>
> #include <vtkStructuredGridOutlineFilter.h>
> #include <vtkPlaneSource.h>
> #include <vtkStreamLine.h>
> #include <vtkProperty.h>
> #include <vtkXMLRectilinearGridReader.h>
> #include <vtkRectilinearGridReader.h>
> #include <vtkAssignAttribute.h>
> #include <vtkPointSource.h>
>
>
> int main(int, char*[])
> {
>     vtkSmartPointer<vtkRenderer> ren1 =vtkSmartPointer<vtkRenderer>::New();
>     vtkSmartPointer<vtkRenderWindow> renWin =
> vtkSmartPointer<vtkRenderWindow>::New();
>     renWin->AddRenderer(ren1);
>
>     vtkSmartPointer<vtkRenderWindowInteractor> iren =
> vtkSmartPointer<vtkRenderWindowInteractor>::New();
>     iren->SetRenderWindow(renWin);
>
>     std::string filename = dataRoot + "/Data/hj.vtu";
>     vtkSmartPointer<vtkXMLUnstructuredGridReader> reader =
> vtkSmartPointer<vtkXMLUnstructuredGridReader>::New();
>     reader->SetFileName(filename.c_str());
>     reader->Update();
>
>     vtkSmartPointer<vtkPlaneSource> seeds =
> vtkSmartPointer<vtkPlaneSource>::New();
>     seeds->SetXResolution(4);
>     seeds->SetYResolution(4);
>     seeds->SetOrigin(2,-2,4);
>     seeds->SetPoint1(2,2,6);
>     seeds->SetPoint2(2,-2,8);
>
>     vtkSmartPointer<vtkStreamLine> streamLine =
> vtkSmartPointer<vtkStreamLine>::New();
>     streamLine->SetInputConnection(reader->GetOutputPort());
>     streamLine->SetSource(seeds->GetOutput());
>
>     streamLine->SetMaximumPropagationTime(200);
>     streamLine->SetIntegrationStepLength(.2);
>     streamLine->SetStepLength(.001);
>     streamLine->SetNumberOfThreads(1);
>     streamLine->SetIntegrationDirectionToForward();
>     streamLine->VorticityOn();
>
>     vtkSmartPointer<vtkPolyDataMapper> streamLineMapper =
> vtkSmartPointer<vtkPolyDataMapper>::New();
>     streamLineMapper->SetInputConnection(streamLine->GetOutputPort());
>  
>     vtkSmartPointer<vtkActor> streamLineActor =
> vtkSmartPointer<vtkActor>::New();
>     streamLineActor->SetMapper(streamLineMapper);
>     streamLineActor->VisibilityOn();
>
>     ren1->AddViewProp(streamLineActor);
>
>     renWin->Render();
>
>     iren->Start();
>
>     return EXIT_SUCCESS;
> }
> the code above is my problem, my problem is that when i run the code, the program will be wrong! And i do not know why! 
 do you know where is wrong place? please tell
> me. thank you in advance! 





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