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350 lines
9.7 KiB
350 lines
9.7 KiB
2 years ago
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package require vtk
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# Create a gaussian
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vtkImageGaussianSource gs
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gs SetWholeExtent 0 30 0 30 0 30
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gs SetMaximum 255.0
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gs SetStandardDeviation 5
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gs SetCenter 15 15 15
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# threshold to leave a gap that should show up for
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# gradient opacity
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vtkImageThreshold t
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t SetInputConnection [gs GetOutputPort]
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t ReplaceInOn
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t SetInValue 0
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t ThresholdBetween 150 200
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# Use a shift scale to convert to unsigned char
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vtkImageShiftScale ss
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ss SetInputConnection [t GetOutputPort]
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ss SetOutputScalarTypeToUnsignedChar
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# grid will be used for two component dependent
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vtkImageGridSource grid0
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grid0 SetDataScalarTypeToUnsignedChar
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grid0 SetGridSpacing 10 10 10
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grid0 SetLineValue 200
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grid0 SetFillValue 10
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grid0 SetDataExtent 0 30 0 30 0 30
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# use dilation to thicken the grid
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vtkImageContinuousDilate3D d
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d SetInputConnection [grid0 GetOutputPort]
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d SetKernelSize 3 3 3
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# Now make a two component dependent
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vtkImageAppendComponents iac
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iac AddInput [d GetOutput]
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iac AddInput [ss GetOutput]
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# Some more gaussians for the four component indepent case
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vtkImageGaussianSource gs1
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gs1 SetWholeExtent 0 30 0 30 0 30
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gs1 SetMaximum 255.0
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gs1 SetStandardDeviation 4
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gs1 SetCenter 5 5 5
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vtkImageThreshold t1
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t1 SetInputConnection [gs1 GetOutputPort]
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t1 ReplaceInOn
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t1 SetInValue 0
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t1 ThresholdBetween 150 256
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vtkImageGaussianSource gs2
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gs2 SetWholeExtent 0 30 0 30 0 30
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gs2 SetMaximum 255.0
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gs2 SetStandardDeviation 4
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gs2 SetCenter 12 12 12
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vtkImageGaussianSource gs3
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gs3 SetWholeExtent 0 30 0 30 0 30
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gs3 SetMaximum 255.0
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gs3 SetStandardDeviation 4
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gs3 SetCenter 19 19 19
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vtkImageThreshold t3
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t3 SetInputConnection [gs3 GetOutputPort]
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t3 ReplaceInOn
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t3 SetInValue 0
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t3 ThresholdBetween 150 256
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vtkImageGaussianSource gs4
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gs4 SetWholeExtent 0 30 0 30 0 30
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gs4 SetMaximum 255.0
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gs4 SetStandardDeviation 4
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gs4 SetCenter 26 26 26
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# we need a few append filters ...
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vtkImageAppendComponents iac1
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iac1 AddInput [t1 GetOutput]
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iac1 AddInput [gs2 GetOutput]
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vtkImageAppendComponents iac2
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iac2 AddInput [iac1 GetOutput]
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iac2 AddInput [t3 GetOutput]
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vtkImageAppendComponents iac3
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iac3 AddInput [iac2 GetOutput]
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iac3 AddInput [gs4 GetOutput]
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# create the four component dependend -
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# use lines in x, y, z for colors
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vtkImageGridSource gridR
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gridR SetDataScalarTypeToUnsignedChar
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gridR SetGridSpacing 10 100 100
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gridR SetLineValue 250
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gridR SetFillValue 100
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gridR SetDataExtent 0 30 0 30 0 30
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vtkImageContinuousDilate3D dR
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dR SetInputConnection [gridR GetOutputPort]
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dR SetKernelSize 2 2 2
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vtkImageGridSource gridG
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gridG SetDataScalarTypeToUnsignedChar
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gridG SetGridSpacing 100 10 100
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gridG SetLineValue 250
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gridG SetFillValue 100
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gridG SetDataExtent 0 30 0 30 0 30
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vtkImageContinuousDilate3D dG
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dG SetInputConnection [gridG GetOutputPort]
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dG SetKernelSize 2 2 2
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vtkImageGridSource gridB
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gridB SetDataScalarTypeToUnsignedChar
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gridB SetGridSpacing 100 100 10
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gridB SetLineValue 0
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gridB SetFillValue 250
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gridB SetDataExtent 0 30 0 30 0 30
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vtkImageContinuousDilate3D dB
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dB SetInputConnection [gridB GetOutputPort]
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dB SetKernelSize 2 2 2
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# need some appending
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vtkImageAppendComponents iacRG
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iacRG AddInput [dR GetOutput]
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iacRG AddInput [dG GetOutput]
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vtkImageAppendComponents iacRGB
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iacRGB AddInput [iacRG GetOutput]
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iacRGB AddInput [dB GetOutput]
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vtkImageAppendComponents iacRGBA
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iacRGBA AddInput [iacRGB GetOutput]
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iacRGBA AddInput [ss GetOutput]
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# We need a bunch of opacity functions
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# this one is a simple ramp to .2
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vtkPiecewiseFunction rampPoint2
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rampPoint2 AddPoint 0 0.0
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rampPoint2 AddPoint 255 0.2
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# this one is a simple ramp to 1
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vtkPiecewiseFunction ramp1
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ramp1 AddPoint 0 0.0
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ramp1 AddPoint 255 1.0
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# this one shows a sharp surface
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vtkPiecewiseFunction surface
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surface AddPoint 0 0.0
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surface AddPoint 10 0.0
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surface AddPoint 50 1.0
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surface AddPoint 255 1.0
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# this one is constant 1
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vtkPiecewiseFunction constant1
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constant1 AddPoint 0 1.0
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constant1 AddPoint 255 1.0
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# this one is used for gradient opacity
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vtkPiecewiseFunction gop
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gop AddPoint 0 0.0
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gop AddPoint 20 0.0
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gop AddPoint 60 1.0
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gop AddPoint 255 1.0
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# We need a bunch of color functions
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# This one is a simple rainbow
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vtkColorTransferFunction rainbow
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rainbow SetColorSpaceToHSV
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rainbow HSVWrapOff
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rainbow AddHSVPoint 0 0.1 1.0 1.0
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rainbow AddHSVPoint 255 0.9 1.0 1.0
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# this is constant red
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vtkColorTransferFunction red
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red AddRGBPoint 0 1 0 0
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red AddRGBPoint 255 1 0 0
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# this is constant green
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vtkColorTransferFunction green
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green AddRGBPoint 0 0 1 0
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green AddRGBPoint 255 0 1 0
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# this is constant blue
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vtkColorTransferFunction blue
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blue AddRGBPoint 0 0 0 1
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blue AddRGBPoint 255 0 0 1
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# this is constant yellow
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vtkColorTransferFunction yellow
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yellow AddRGBPoint 0 1 1 0
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yellow AddRGBPoint 255 1 1 0
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vtkRenderer ren1
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vtkRenderWindow renWin
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renWin AddRenderer ren1
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renWin SetSize 500 500
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vtkRenderWindowInteractor iren
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iren SetRenderWindow renWin
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[ren1 GetCullers] InitTraversal
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set culler [[ren1 GetCullers] GetNextItem]
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$culler SetSortingStyleToBackToFront
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# We need 25 mapper / actor pairs which we will render
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# in a grid. Going down we will vary the input data
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# with the top row unsigned char, then float, then
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# two dependent components, then four dependent components
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# then four independent components. Going across we
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# will vary the rendering method with MIP, Composite,
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# Composite Shade, Composite GO, and Composite GO Shade.
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for { set j 0 } { $j < 5 } { incr j } {
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for { set i 0 } { $i < 5 } { incr i } {
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vtkVolumeProperty volumeProperty${i}${j}
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vtkFixedPointVolumeRayCastMapper volumeMapper${i}${j}
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volumeMapper${i}${j} SetSampleDistance 0.25
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vtkVolume volume${i}${j}
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volume${i}${j} SetMapper volumeMapper${i}${j}
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volume${i}${j} SetProperty volumeProperty${i}${j}
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volume${i}${j} AddPosition [expr $i*30] [expr $j*30] 0
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ren1 AddVolume volume${i}${j}
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}
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}
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for { set i 0 } { $i < 5 } { incr i } {
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volumeMapper0${i} SetInputConnection [t GetOutputPort]
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volumeMapper1${i} SetInputConnection [ss GetOutputPort]
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volumeMapper2${i} SetInputConnection [iac GetOutputPort]
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volumeMapper3${i} SetInputConnection [iac3 GetOutputPort]
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volumeMapper4${i} SetInputConnection [iacRGBA GetOutputPort]
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volumeMapper${i}0 SetBlendModeToMaximumIntensity
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volumeMapper${i}1 SetBlendModeToComposite
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volumeMapper${i}2 SetBlendModeToComposite
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volumeMapper${i}3 SetBlendModeToComposite
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volumeMapper${i}4 SetBlendModeToComposite
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volumeProperty0${i} IndependentComponentsOn
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volumeProperty1${i} IndependentComponentsOn
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volumeProperty2${i} IndependentComponentsOff
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volumeProperty3${i} IndependentComponentsOn
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volumeProperty4${i} IndependentComponentsOff
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volumeProperty0${i} SetColor rainbow
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volumeProperty0${i} SetScalarOpacity rampPoint2
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volumeProperty0${i} SetGradientOpacity constant1
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volumeProperty1${i} SetColor rainbow
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volumeProperty1${i} SetScalarOpacity rampPoint2
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volumeProperty1${i} SetGradientOpacity constant1
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volumeProperty2${i} SetColor rainbow
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volumeProperty2${i} SetScalarOpacity rampPoint2
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volumeProperty2${i} SetGradientOpacity constant1
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volumeProperty3${i} SetColor 0 red
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volumeProperty3${i} SetColor 1 green
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volumeProperty3${i} SetColor 2 blue
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volumeProperty3${i} SetColor 3 yellow
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volumeProperty3${i} SetScalarOpacity 0 rampPoint2
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volumeProperty3${i} SetScalarOpacity 1 rampPoint2
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volumeProperty3${i} SetScalarOpacity 2 rampPoint2
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volumeProperty3${i} SetScalarOpacity 3 rampPoint2
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volumeProperty3${i} SetGradientOpacity 0 constant1
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volumeProperty3${i} SetGradientOpacity 1 constant1
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volumeProperty3${i} SetGradientOpacity 2 constant1
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volumeProperty3${i} SetGradientOpacity 3 constant1
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volumeProperty3${i} SetComponentWeight 0 1
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volumeProperty3${i} SetComponentWeight 1 1
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volumeProperty3${i} SetComponentWeight 2 1
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volumeProperty3${i} SetComponentWeight 3 1
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volumeProperty4${i} SetColor rainbow
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volumeProperty4${i} SetScalarOpacity rampPoint2
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volumeProperty4${i} SetGradientOpacity constant1
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volumeProperty${i}2 ShadeOn
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volumeProperty${i}4 ShadeOn 0
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volumeProperty${i}4 ShadeOn 1
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volumeProperty${i}4 ShadeOn 2
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volumeProperty${i}4 ShadeOn 3
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}
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volumeProperty00 SetScalarOpacity ramp1
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volumeProperty10 SetScalarOpacity ramp1
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volumeProperty20 SetScalarOpacity ramp1
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volumeProperty30 SetScalarOpacity 0 surface
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volumeProperty30 SetScalarOpacity 1 surface
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volumeProperty30 SetScalarOpacity 2 surface
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volumeProperty30 SetScalarOpacity 3 surface
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volumeProperty40 SetScalarOpacity ramp1
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volumeProperty02 SetScalarOpacity surface
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volumeProperty12 SetScalarOpacity surface
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volumeProperty22 SetScalarOpacity surface
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volumeProperty32 SetScalarOpacity 0 surface
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volumeProperty32 SetScalarOpacity 1 surface
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volumeProperty32 SetScalarOpacity 2 surface
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volumeProperty32 SetScalarOpacity 3 surface
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volumeProperty42 SetScalarOpacity surface
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volumeProperty04 SetScalarOpacity surface
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volumeProperty14 SetScalarOpacity surface
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volumeProperty24 SetScalarOpacity surface
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volumeProperty34 SetScalarOpacity 0 surface
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volumeProperty34 SetScalarOpacity 1 surface
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volumeProperty34 SetScalarOpacity 2 surface
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volumeProperty34 SetScalarOpacity 3 surface
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volumeProperty44 SetScalarOpacity surface
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volumeProperty03 SetGradientOpacity gop
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volumeProperty13 SetGradientOpacity gop
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volumeProperty23 SetGradientOpacity gop
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volumeProperty33 SetGradientOpacity 0 gop
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volumeProperty33 SetGradientOpacity 2 gop
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volumeProperty43 SetGradientOpacity gop
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volumeProperty33 SetScalarOpacity 0 ramp1
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volumeProperty33 SetScalarOpacity 2 ramp1
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volumeProperty04 SetGradientOpacity gop
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volumeProperty14 SetGradientOpacity gop
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volumeProperty24 SetGradientOpacity gop
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volumeProperty34 SetGradientOpacity 0 gop
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volumeProperty34 SetGradientOpacity 2 gop
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volumeProperty44 SetGradientOpacity gop
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renWin Render
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[ren1 GetActiveCamera] Dolly 1.3
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[ren1 GetActiveCamera] Azimuth 15
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[ren1 GetActiveCamera] Elevation 5
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ren1 ResetCameraClippingRange
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wm withdraw .
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iren Initialize
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