///<summary> A Set Method for Static Variables </summary>
 public static void SetgridR(vtkImageGridSource toSet)
 {
     gridR = toSet;
 }
    /// <summary>
    /// The main entry method called by the CSharp driver
    /// </summary>
    /// <param name="argv"></param>
    public static void AVTestFixedPointRayCasterNearest(String [] argv)
    {
        //Prefix Content is: ""

          // Create a gaussian[]
          gs = new vtkImageGaussianSource();
          gs.SetWholeExtent((int)0,(int)30,(int)0,(int)30,(int)0,(int)30);
          gs.SetMaximum((double)255.0);
          gs.SetStandardDeviation((double)5);
          gs.SetCenter((double)15,(double)15,(double)15);
          // threshold to leave a gap that should show up for[]
          // gradient opacity[]
          t = new vtkImageThreshold();
          t.SetInputConnection((vtkAlgorithmOutput)gs.GetOutputPort());
          t.ReplaceInOn();
          t.SetInValue((double)0);
          t.ThresholdBetween((double)150,(double)200);
          // Use a shift scale to convert to unsigned char[]
          ss = new vtkImageShiftScale();
          ss.SetInputConnection((vtkAlgorithmOutput)t.GetOutputPort());
          ss.SetOutputScalarTypeToUnsignedChar();
          // grid will be used for two component dependent[]
          grid0 = new vtkImageGridSource();
          grid0.SetDataScalarTypeToUnsignedChar();
          grid0.SetGridSpacing((int)10,(int)10,(int)10);
          grid0.SetLineValue((double)200);
          grid0.SetFillValue((double)10);
          grid0.SetDataExtent((int)0,(int)30,(int)0,(int)30,(int)0,(int)30);
          // use dilation to thicken the grid[]
          d = new vtkImageContinuousDilate3D();
          d.SetInputConnection((vtkAlgorithmOutput)grid0.GetOutputPort());
          d.SetKernelSize((int)3,(int)3,(int)3);
          // Now make a two component dependent[]
          iac = new vtkImageAppendComponents();
          iac.AddInput((vtkDataObject)d.GetOutput());
          iac.AddInput((vtkDataObject)ss.GetOutput());
          // Some more gaussians for the four component indepent case[]
          gs1 = new vtkImageGaussianSource();
          gs1.SetWholeExtent((int)0,(int)30,(int)0,(int)30,(int)0,(int)30);
          gs1.SetMaximum((double)255.0);
          gs1.SetStandardDeviation((double)4);
          gs1.SetCenter((double)5,(double)5,(double)5);
          t1 = new vtkImageThreshold();
          t1.SetInputConnection((vtkAlgorithmOutput)gs1.GetOutputPort());
          t1.ReplaceInOn();
          t1.SetInValue((double)0);
          t1.ThresholdBetween((double)150,(double)256);
          gs2 = new vtkImageGaussianSource();
          gs2.SetWholeExtent((int)0,(int)30,(int)0,(int)30,(int)0,(int)30);
          gs2.SetMaximum((double)255.0);
          gs2.SetStandardDeviation((double)4);
          gs2.SetCenter((double)12,(double)12,(double)12);
          gs3 = new vtkImageGaussianSource();
          gs3.SetWholeExtent((int)0,(int)30,(int)0,(int)30,(int)0,(int)30);
          gs3.SetMaximum((double)255.0);
          gs3.SetStandardDeviation((double)4);
          gs3.SetCenter((double)19,(double)19,(double)19);
          t3 = new vtkImageThreshold();
          t3.SetInputConnection((vtkAlgorithmOutput)gs3.GetOutputPort());
          t3.ReplaceInOn();
          t3.SetInValue((double)0);
          t3.ThresholdBetween((double)150,(double)256);
          gs4 = new vtkImageGaussianSource();
          gs4.SetWholeExtent((int)0,(int)30,(int)0,(int)30,(int)0,(int)30);
          gs4.SetMaximum((double)255.0);
          gs4.SetStandardDeviation((double)4);
          gs4.SetCenter((double)26,(double)26,(double)26);
          //tk window skipped..
          iac1 = new vtkImageAppendComponents();
          iac1.AddInput((vtkDataObject)t1.GetOutput());
          iac1.AddInput((vtkDataObject)gs2.GetOutput());
          iac2 = new vtkImageAppendComponents();
          iac2.AddInput((vtkDataObject)iac1.GetOutput());
          iac2.AddInput((vtkDataObject)t3.GetOutput());
          iac3 = new vtkImageAppendComponents();
          iac3.AddInput((vtkDataObject)iac2.GetOutput());
          iac3.AddInput((vtkDataObject)gs4.GetOutput());
          // create the four component dependend - []
          // use lines in x, y, z for colors[]
          gridR = new vtkImageGridSource();
          gridR.SetDataScalarTypeToUnsignedChar();
          gridR.SetGridSpacing((int)10,(int)100,(int)100);
          gridR.SetLineValue((double)250);
          gridR.SetFillValue((double)100);
          gridR.SetDataExtent((int)0,(int)30,(int)0,(int)30,(int)0,(int)30);
          dR = new vtkImageContinuousDilate3D();
          dR.SetInputConnection((vtkAlgorithmOutput)gridR.GetOutputPort());
          dR.SetKernelSize((int)2,(int)2,(int)2);
          gridG = new vtkImageGridSource();
          gridG.SetDataScalarTypeToUnsignedChar();
          gridG.SetGridSpacing((int)100,(int)10,(int)100);
          gridG.SetLineValue((double)250);
          gridG.SetFillValue((double)100);
          gridG.SetDataExtent((int)0,(int)30,(int)0,(int)30,(int)0,(int)30);
          dG = new vtkImageContinuousDilate3D();
          dG.SetInputConnection((vtkAlgorithmOutput)gridG.GetOutputPort());
          dG.SetKernelSize((int)2,(int)2,(int)2);
          gridB = new vtkImageGridSource();
          gridB.SetDataScalarTypeToUnsignedChar();
          gridB.SetGridSpacing((int)100,(int)100,(int)10);
          gridB.SetLineValue((double)0);
          gridB.SetFillValue((double)250);
          gridB.SetDataExtent((int)0,(int)30,(int)0,(int)30,(int)0,(int)30);
          dB = new vtkImageContinuousDilate3D();
          dB.SetInputConnection((vtkAlgorithmOutput)gridB.GetOutputPort());
          dB.SetKernelSize((int)2,(int)2,(int)2);
          // need some appending[]
          iacRG = new vtkImageAppendComponents();
          iacRG.AddInput((vtkDataObject)dR.GetOutput());
          iacRG.AddInput((vtkDataObject)dG.GetOutput());
          iacRGB = new vtkImageAppendComponents();
          iacRGB.AddInput((vtkDataObject)iacRG.GetOutput());
          iacRGB.AddInput((vtkDataObject)dB.GetOutput());
          iacRGBA = new vtkImageAppendComponents();
          iacRGBA.AddInput((vtkDataObject)iacRGB.GetOutput());
          iacRGBA.AddInput((vtkDataObject)ss.GetOutput());
          // We need a bunch of opacity functions[]
          // this one is a simple ramp to .2[]
          rampPoint2 = new vtkPiecewiseFunction();
          rampPoint2.AddPoint((double)0,(double)0.0);
          rampPoint2.AddPoint((double)255,(double)0.2);
          // this one is a simple ramp to 1[]
          ramp1 = new vtkPiecewiseFunction();
          ramp1.AddPoint((double)0,(double)0.0);
          ramp1.AddPoint((double)255,(double)1.0);
          // this one shows a sharp surface[]
          surface = new vtkPiecewiseFunction();
          surface.AddPoint((double)0,(double)0.0);
          surface.AddPoint((double)10,(double)0.0);
          surface.AddPoint((double)50,(double)1.0);
          surface.AddPoint((double)255,(double)1.0);
          // this one is constant 1[]
          constant1 = new vtkPiecewiseFunction();
          constant1.AddPoint((double)0,(double)1.0);
          constant1.AddPoint((double)255,(double)1.0);
          // this one is used for gradient opacity[]
          gop = new vtkPiecewiseFunction();
          gop.AddPoint((double)0,(double)0.0);
          gop.AddPoint((double)20,(double)0.0);
          gop.AddPoint((double)60,(double)1.0);
          gop.AddPoint((double)255,(double)1.0);
          // We need a bunch of color functions[]
          // This one is a simple rainbow[]
          rainbow = new vtkColorTransferFunction();
          rainbow.SetColorSpaceToHSV();
          rainbow.HSVWrapOff();
          rainbow.AddHSVPoint((double)0,(double)0.1,(double)1.0,(double)1.0);
          rainbow.AddHSVPoint((double)255,(double)0.9,(double)1.0,(double)1.0);
          // this is constant red[]
          red = new vtkColorTransferFunction();
          red.AddRGBPoint((double)0,(double)1,(double)0,(double)0);
          red.AddRGBPoint((double)255,(double)1,(double)0,(double)0);
          // this is constant green[]
          green = new vtkColorTransferFunction();
          green.AddRGBPoint((double)0,(double)0,(double)1,(double)0);
          green.AddRGBPoint((double)255,(double)0,(double)1,(double)0);
          // this is constant blue[]
          blue = new vtkColorTransferFunction();
          blue.AddRGBPoint((double)0,(double)0,(double)0,(double)1);
          blue.AddRGBPoint((double)255,(double)0,(double)0,(double)1);
          // this is constant yellow[]
          yellow = new vtkColorTransferFunction();
          yellow.AddRGBPoint((double)0,(double)1,(double)1,(double)0);
          yellow.AddRGBPoint((double)255,(double)1,(double)1,(double)0);
          ren1 = vtkRenderer.New();
          renWin = vtkRenderWindow.New();
          renWin.AddRenderer((vtkRenderer)ren1);
          renWin.SetSize((int)500,(int)500);
          iren = new vtkRenderWindowInteractor();
          iren.SetRenderWindow((vtkRenderWindow)renWin);
          ren1.GetCullers().InitTraversal();
          culler = (vtkFrustumCoverageCuller)ren1.GetCullers().GetNextItem();
          culler.SetSortingStyleToBackToFront();
          // We need 25 mapper / actor pairs which we will render[]
          // in a grid. Going down we will vary the input data[]
          // with the top row unsigned char, then float, then[]
          // two dependent components, then four dependent components[]
          // then four independent components. Going across we[]
          // will vary the rendering method with MIP, Composite,[]
          // Composite Shade, Composite GO, and Composite GO Shade.[]
          j = 0;
          while((j) < 5)
        {
          i = 0;
          while((i) < 5)
        {
          volumeProperty[i,j] = new vtkVolumeProperty();
          volumeMapper[i,j] = new vtkFixedPointVolumeRayCastMapper();
          volumeMapper[i,j].SetSampleDistance((float)0.25);
          volume[i,j] = new vtkVolume();
          volume[i,j].SetMapper((vtkAbstractVolumeMapper)volumeMapper[i,j]);
          volume[i,j].SetProperty((vtkVolumeProperty)volumeProperty[i,j]);
          volume[i,j].AddPosition((double)i*30,(double)j*30,(double)0);
          ren1.AddVolume((vtkProp)volume[i,j]);
          i = i + 1;
        }

          j = j + 1;
        }

          i = 0;
          while((i) < 5)
        {
          volumeMapper[0,i].SetInputConnection(t.GetOutputPort());
          volumeMapper[1,i].SetInputConnection(ss.GetOutputPort());
          volumeMapper[2,i].SetInputConnection(iac.GetOutputPort());
          volumeMapper[3,i].SetInputConnection(iac3.GetOutputPort());
          volumeMapper[4,i].SetInputConnection(iacRGBA.GetOutputPort());
          volumeMapper[i,0].SetBlendModeToMaximumIntensity();
          volumeMapper[i,1].SetBlendModeToComposite();
          volumeMapper[i,2].SetBlendModeToComposite();
          volumeMapper[i,3].SetBlendModeToComposite();
          volumeMapper[i,4].SetBlendModeToComposite();
          volumeProperty[0,i].IndependentComponentsOn();
          volumeProperty[1,i].IndependentComponentsOn();
          volumeProperty[2,i].IndependentComponentsOff();
          volumeProperty[3,i].IndependentComponentsOn();
          volumeProperty[4,i].IndependentComponentsOff();
          volumeProperty[0,i].SetColor(rainbow);
          volumeProperty[0,i].SetScalarOpacity(rampPoint2);
          volumeProperty[0,i].SetGradientOpacity(constant1);
          volumeProperty[1,i].SetColor(rainbow);
          volumeProperty[1,i].SetScalarOpacity(rampPoint2);
          volumeProperty[1,i].SetGradientOpacity(constant1);
          volumeProperty[2,i].SetColor(rainbow);
          volumeProperty[2,i].SetScalarOpacity(rampPoint2);
          volumeProperty[2,i].SetGradientOpacity(constant1);
          volumeProperty[3,i].SetColor(0, red);
          volumeProperty[3,i].SetColor(1, green);
          volumeProperty[3,i].SetColor(2, blue );
          volumeProperty[3,i].SetColor(3, yellow);
          volumeProperty[3,i].SetScalarOpacity(0,rampPoint2);
          volumeProperty[3,i].SetScalarOpacity(1,rampPoint2);
          volumeProperty[3,i].SetScalarOpacity(2,rampPoint2);
          volumeProperty[3,i].SetScalarOpacity(3,rampPoint2);
          volumeProperty[3,i].SetGradientOpacity(0,constant1);
          volumeProperty[3,i].SetGradientOpacity(1,constant1);
          volumeProperty[3,i].SetGradientOpacity(2,constant1);
          volumeProperty[3,i].SetGradientOpacity(3,constant1);
          volumeProperty[3,i].SetComponentWeight(0,1);
          volumeProperty[3,i].SetComponentWeight(1,1);
          volumeProperty[3,i].SetComponentWeight(2,1);
          volumeProperty[3,i].SetComponentWeight(3,1);
          volumeProperty[4,i].SetColor(rainbow);
          volumeProperty[4,i].SetScalarOpacity(rampPoint2);
          volumeProperty[4,i].SetGradientOpacity(constant1);
          volumeProperty[i,2].ShadeOn();
          volumeProperty[i,4].ShadeOn((int)0);
          volumeProperty[i,4].ShadeOn((int)1);
          volumeProperty[i,4].ShadeOn((int)2);
          volumeProperty[i,4].ShadeOn((int)3);
          i = i + 1;
        }

          volumeProperty[0,0].SetScalarOpacity((vtkPiecewiseFunction)ramp1);
          volumeProperty[1,0].SetScalarOpacity((vtkPiecewiseFunction)ramp1);
          volumeProperty[2,0].SetScalarOpacity((vtkPiecewiseFunction)ramp1);
          volumeProperty[3,0].SetScalarOpacity((int)0,(vtkPiecewiseFunction)surface);
          volumeProperty[3,0].SetScalarOpacity((int)1,(vtkPiecewiseFunction)surface);
          volumeProperty[3,0].SetScalarOpacity((int)2,(vtkPiecewiseFunction)surface);
          volumeProperty[3,0].SetScalarOpacity((int)3,(vtkPiecewiseFunction)surface);
          volumeProperty[4,0].SetScalarOpacity((vtkPiecewiseFunction)ramp1);
          volumeProperty[0,2].SetScalarOpacity((vtkPiecewiseFunction)surface);
          volumeProperty[1,2].SetScalarOpacity((vtkPiecewiseFunction)surface);
          volumeProperty[2,2].SetScalarOpacity((vtkPiecewiseFunction)surface);
          volumeProperty[3,2].SetScalarOpacity((int)0,(vtkPiecewiseFunction)surface);
          volumeProperty[3,2].SetScalarOpacity((int)1,(vtkPiecewiseFunction)surface);
          volumeProperty[3,2].SetScalarOpacity((int)2,(vtkPiecewiseFunction)surface);
          volumeProperty[3,2].SetScalarOpacity((int)3,(vtkPiecewiseFunction)surface);
          volumeProperty[4,2].SetScalarOpacity((vtkPiecewiseFunction)surface);
          volumeProperty[0,4].SetScalarOpacity((vtkPiecewiseFunction)surface);
          volumeProperty[1,4].SetScalarOpacity((vtkPiecewiseFunction)surface);
          volumeProperty[2,4].SetScalarOpacity((vtkPiecewiseFunction)surface);
          volumeProperty[3,4].SetScalarOpacity((int)0,(vtkPiecewiseFunction)surface);
          volumeProperty[3,4].SetScalarOpacity((int)1,(vtkPiecewiseFunction)surface);
          volumeProperty[3,4].SetScalarOpacity((int)2,(vtkPiecewiseFunction)surface);
          volumeProperty[3,4].SetScalarOpacity((int)3,(vtkPiecewiseFunction)surface);
          volumeProperty[4,4].SetScalarOpacity((vtkPiecewiseFunction)surface);
          volumeProperty[0,3].SetGradientOpacity((vtkPiecewiseFunction)gop);
          volumeProperty[1,3].SetGradientOpacity((vtkPiecewiseFunction)gop);
          volumeProperty[2,3].SetGradientOpacity((vtkPiecewiseFunction)gop);
          volumeProperty[3,3].SetGradientOpacity((int)0,(vtkPiecewiseFunction)gop);
          volumeProperty[3,3].SetGradientOpacity((int)2,(vtkPiecewiseFunction)gop);
          volumeProperty[4,3].SetGradientOpacity((vtkPiecewiseFunction)gop);
          volumeProperty[3,3].SetScalarOpacity((int)0,(vtkPiecewiseFunction)ramp1);
          volumeProperty[3,3].SetScalarOpacity((int)2,(vtkPiecewiseFunction)ramp1);
          volumeProperty[0,4].SetGradientOpacity((vtkPiecewiseFunction)gop);
          volumeProperty[1,4].SetGradientOpacity((vtkPiecewiseFunction)gop);
          volumeProperty[2,4].SetGradientOpacity((vtkPiecewiseFunction)gop);
          volumeProperty[3,4].SetGradientOpacity((int)0,(vtkPiecewiseFunction)gop);
          volumeProperty[3,4].SetGradientOpacity((int)2,(vtkPiecewiseFunction)gop);
          volumeProperty[4,4].SetGradientOpacity((vtkPiecewiseFunction)gop);
          renWin.Render();
          ren1.GetActiveCamera().Dolly((double)1.3);
          ren1.GetActiveCamera().Azimuth((double)15);
          ren1.GetActiveCamera().Elevation((double)5);
          ren1.ResetCameraClippingRange();
          iren.Initialize();

        //deleteAllVTKObjects();
    }