VTK例子21-Volum

medimage

Volum

#include "stdafx.h"

#include "vtkRenderer.h"

#include "vtkRenderWindow.h"

#include "vtkRenderWindowInteractor.h"

#include "vtkProperty.h"

#include "vtkCamera.h"

#include "vtkStructuredPointsReader.h"

#include "vtkPiecewiseFunction.h"

#include "vtkColorTransferFunction.h"

#include "vtkVolumeProperty.h"

#include "vtkColorTransferFunction.h"

#include "vtkVolumeRayCastCompositeFunction.h"

#include "vtkVolumeRayCastMapper.h"

#pragma comment (lib, "vtkFiltering.lib")

#pragma comment (lib, "vtkRendering.lib")

#pragma comment (lib, "vtkIO.lib")

#pragma comment (lib, "vtkVolumeRendering.lib")

int main (int argc, char **argv)

{

    vtkRenderer *aRenderer = vtkRenderer::New();

    vtkRenderWindow *renWin = vtkRenderWindow::New();

    renWin->AddRenderer(aRenderer);

    vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();

    iren->SetRenderWindow(renWin);

   

    vtkStructuredPointsReader *reader = vtkStructuredPointsReader::New();

    //reader->SetFileName(".\\ironProt.vtk");

    reader->SetFileName("ironProt.vtk");

    vtkVolumeRayCastCompositeFunction *ComositeFun = vtkVolumeRayCastCompositeFunction::New();

    vtkVolumeRayCastMapper *VolMapper = vtkVolumeRayCastMapper::New();

    VolMapper->SetInputConnection(reader->GetOutputPort());

    VolMapper->SetVolumeRayCastFunction(ComositeFun);   

    vtkVolume *Volume = vtkVolume::New();

    Volume->SetMapper(VolMapper);

    vtkColorTransferFunction *gTFun = vtkColorTransferFunction::New();

    //gTFun->AddRGBSegment(128.0,126/255.0,16/255.0,16/255.0,    255.0,64/255.0,255/255.0,16/255.0);   

    gTFun->AddRGBSegment(127.0,126/127.0,16/127.0,16/127.0,    255.0,64/255.0,255/255.0,16/255.0);   

    vtkVolumeProperty *VolProperty = vtkVolumeProperty::New();

    VolProperty->SetColor(gTFun);

   

    vtkPiecewiseFunction *oTFun = vtkPiecewiseFunction::New();

    oTFun->AddSegment(48,0.0,256,1.0);//改变第一个数据，可以得到不同的体透明度

    VolProperty->SetScalarOpacity(oTFun);

    VolProperty->SetInterpolationTypeToLinear();

    VolProperty->ShadeOn();

    Volume->SetProperty(VolProperty);

   

    aRenderer->AddActor(Volume);

    aRenderer->SetBackground(0,0,0);

    //renWin->SetSize(640,480);

    renWin->SetSize(1280,480);

    aRenderer->ResetCameraClippingRange();

    iren->Initialize();

    iren->Start();

    aRenderer->Delete();

    renWin->Delete();

    iren->Delete();

   

    return 0;

}

medrt

谢谢LZ

medimagedev

看看！！！！！谢谢楼主！！！

江西丁工

学习了！！！！！！！！！

hosstd

看看，学学

mdeimage

先学习一下，以留备用