//普通模式_绘制 private void DrawMode_Normal() { #region 体属性 vtkVolumeProperty //设定体数据的属性:不透明性和颜色值映射标量值 vtkVolumeProperty volumeProperty = vtkVolumeProperty.New(); volumeProperty.SetColor(m_ColorTransferFunction); volumeProperty.SetScalarOpacity(m_PiecewiseFunction); //设置插值类型 volumeProperty.SetInterpolationTypeToNearest(); volumeProperty.SetDiffuse(0.7); volumeProperty.SetAmbient(0.01); volumeProperty.SetSpecular(0.5); volumeProperty.SetSpecularPower(100); #endregion //绘制方法:体射线投射 vtkVolumeRayCastCompositeFunction compositeFunction = vtkVolumeRayCastCompositeFunction.New(); #region 体数据映射器 vtkVolumeRayCastMapper //体数据映射器 vtkVolumeRayCastMapper volumeMapper = vtkVolumeRayCastMapper.New(); volumeMapper.SetInput(m_ImageData); volumeMapper.SetVolumeRayCastFunction(compositeFunction); #endregion #region 体 vtkVolume //体 vtkVolume volume = vtkVolume.New(); volume.SetMapper(volumeMapper); volume.SetProperty(volumeProperty); #endregion //模型体放入Renerer m_Renderer.AddVolume(volume); }
private vtkProp CreateVolumeRendering() { _opacityTransferFunction = new vtkPiecewiseFunction(); _opacityTransferFunction.ClampingOff(); _colorTransferFunction = new vtkColorTransferFunction(); _colorTransferFunction.SetColorSpaceToRGB(); _colorTransferFunction.ClampingOff(); SetOpacityTransferFunction(); SetColorTransferFunction(); vtkVolumeProperty volumeProperty = new vtkVolumeProperty(); volumeProperty.ShadeOn(); volumeProperty.SetInterpolationTypeToLinear(); volumeProperty.SetColor(_colorTransferFunction); volumeProperty.SetScalarOpacity(_opacityTransferFunction); volumeProperty.SetDiffuse(0.7); volumeProperty.SetAmbient(0.1); volumeProperty.SetSpecular(.3); volumeProperty.SetSpecularPower(20); //vtkOpenGLVolumeTextureMapper2D volumeMapper = new vtkOpenGLVolumeTextureMapper2D(); //vtkOpenGLVolumeTextureMapper3D volumeMapper = new vtkOpenGLVolumeTextureMapper3D(); //volumeMapper.SetPreferredMethodToNVidia(); //volumeMapper.SetSampleDistance(1.0f); //int supported = volumeMapper.IsRenderSupported(volumeProperty); vtkFixedPointVolumeRayCastMapper volumeMapper = new vtkFixedPointVolumeRayCastMapper(); //vtkVolumeRayCastMapper volumeMapper = new vtkVolumeRayCastMapper(); volumeMapper.SetInput(_volumeLayer.GetImageData()); ////vtkVolumeRayCastCompositeFunction rayCastFunction = new vtkVolumeRayCastCompositeFunction(); ////volumeMapper.SetVolumeRayCastFunction(rayCastFunction); //vtkVolumeRayCastIsosurfaceFunction rayCastFunction = new vtkVolumeRayCastIsosurfaceFunction(); //volumeMapper.SetVolumeRayCastFunction(rayCastFunction); _vtkVolume = new vtkVolume(); _vtkVolume.SetMapper(volumeMapper); _vtkVolume.SetProperty(volumeProperty); return(_vtkVolume); }
private vtkProp CreateVolumeRendering() { _opacityTransferFunction = new vtkPiecewiseFunction(); _opacityTransferFunction.ClampingOff(); _colorTransferFunction = new vtkColorTransferFunction(); _colorTransferFunction.SetColorSpaceToRGB(); _colorTransferFunction.ClampingOff(); SetOpacityTransferFunction(); SetColorTransferFunction(); vtkVolumeProperty volumeProperty = new vtkVolumeProperty(); volumeProperty.ShadeOn(); volumeProperty.SetInterpolationTypeToLinear(); volumeProperty.SetColor(_colorTransferFunction); volumeProperty.SetScalarOpacity(_opacityTransferFunction); volumeProperty.SetDiffuse(0.7); volumeProperty.SetAmbient(0.1); volumeProperty.SetSpecular(.3); volumeProperty.SetSpecularPower(20); //vtkOpenGLVolumeTextureMapper2D volumeMapper = new vtkOpenGLVolumeTextureMapper2D(); //vtkOpenGLVolumeTextureMapper3D volumeMapper = new vtkOpenGLVolumeTextureMapper3D(); //volumeMapper.SetPreferredMethodToNVidia(); //volumeMapper.SetSampleDistance(1.0f); //int supported = volumeMapper.IsRenderSupported(volumeProperty); vtkFixedPointVolumeRayCastMapper volumeMapper = new vtkFixedPointVolumeRayCastMapper(); //vtkVolumeRayCastMapper volumeMapper = new vtkVolumeRayCastMapper(); volumeMapper.SetInput(_volumeLayer.GetImageData()); ////vtkVolumeRayCastCompositeFunction rayCastFunction = new vtkVolumeRayCastCompositeFunction(); ////volumeMapper.SetVolumeRayCastFunction(rayCastFunction); //vtkVolumeRayCastIsosurfaceFunction rayCastFunction = new vtkVolumeRayCastIsosurfaceFunction(); //volumeMapper.SetVolumeRayCastFunction(rayCastFunction); _vtkVolume = new vtkVolume(); _vtkVolume.SetMapper(volumeMapper); _vtkVolume.SetProperty(volumeProperty); return _vtkVolume; }
public cVolumeRendering3D(vtkImageData imageData, cPoint3D Pos) { baseInit(null); vtk_volume = vtkVolume.New(); // vtkFloatArray floatArray = vtkFloatArray.New(); //vtkCharArray charArray = vtkCharArray.New(); // vtkUnsignedShortArray UshortArray = vtkUnsignedShortArray.New(); vtkExtractVOI voi = vtkExtractVOI.New(); // vtkPiecewiseFunction opacityTransferFunction = vtkPiecewiseFunction.New(); vtkColorTransferFunction colorTransferFunction = vtkColorTransferFunction.New(); vtkVolumeProperty volumeProperty = vtkVolumeProperty.New(); // imageData.GetPointData().SetScalars(UshortArray); voi = vtkExtractVOI.New(); voi.SetInput(imageData); voi.SetVOI(0, imageData.GetDimensions()[0] - 1, 0, imageData.GetDimensions()[1] - 1, 0, imageData.GetDimensions()[2] - 1); voi.SetSampleRate(1, 1, 1); opacityTransferFunction = vtkPiecewiseFunction.New(); range = imageData.GetScalarRange(); opacityTransferFunction.AddPoint(100, 0.0); opacityTransferFunction.AddPoint(1000, 1); //opacityTransferFunction.AddPoint(range[0] + (range[1]-range[0])/2.0, 0.0); //opacityTransferFunction.AddPoint(range[1], 0.7); ////Scale the image between 0 and 1 using a lookup table //vtkLookupTable table = vtkLookupTable.New(); //table.SetValueRange(0,1); //table.SetSaturationRange(0,0); //table.SetRange(range[0], range[1]); //shoul here not be the minimum/maximum possible of "data"? //table.SetRampToLinear(); //table.Build(); //vtkImageMapToColors color = vtkImageMapToColors.New(); //color.SetLookupTable(table); //color.SetInputConnection(imageData.GetProducerPort()); vtkColorTransferFunction ColorTransferFunction = vtkColorTransferFunction.New(); ColorTransferFunction.AddRGBPoint(20.0, 0.0, 0.0, 1.0); ColorTransferFunction.AddRGBPoint(255.0, 1.0, 0.0, 0.0); //ColorTransferFunction.AddRGBPoint(1000.0, 0.8, 0.5, 0.0); //opacityTransferFunction.ClampingOff(); volumeProperty = vtkVolumeProperty.New(); volumeProperty.SetColor(colorTransferFunction); volumeProperty.SetScalarOpacity(opacityTransferFunction); volumeProperty.SetInterpolationTypeToLinear(); volumeProperty.ShadeOn(); volumeProperty.SetAmbient(0.6); volumeProperty.SetDiffuse(0.6); volumeProperty.SetSpecular(0.1); //volumeProperty.SetAmbient(0.1); //volumeProperty.SetDiffuse(0.9); //volumeProperty.SetSpecular(0.2); //volumeProperty.SetSpecularPower(10.0); //volumeProperty[band].SetScalarOpacityUnitDistance(0.8919); vtkVolumeTextureMapper3D volumeTextureMapper = vtkVolumeTextureMapper3D.New(); ////volumeTextureMapper.SetInputConnection(color.GetOutputPort()); volumeTextureMapper.SetInputConnection(voi.GetOutputPort()); //vtkVolumeRayCastCompositeFunction compositeFunction = vtkVolumeRayCastCompositeFunction.New(); //vtkVolumeRayCastMapper volumeMapper = vtkVolumeRayCastMapper.New(); //volumeMapper.SetVolumeRayCastFunction(compositeFunction); //volumeMapper.SetInputConnection(voi.GetOutputPort()); vtk_volume = vtkVolume.New(); vtk_volume.SetMapper(volumeTextureMapper); vtk_volume.SetProperty(volumeProperty); vtk_volume.PickableOff(); vtk_volume.SetPosition(Pos.X, Pos.Y, Pos.Z); }