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40 lines
745 B
40 lines
745 B
package require vtk
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# A script to test the threshold filter.
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# Values above 2000 are set to 255.
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# Values below 2000 are set to 0.
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# Image pipeline
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vtkPNGReader reader
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reader SetFileName "$VTK_DATA_ROOT/Data/fullhead15.png"
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vtkImageCast cast
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cast SetOutputScalarTypeToShort
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cast SetInputConnection [reader GetOutputPort]
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vtkImageThreshold thresh
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thresh SetInputConnection [cast GetOutputPort]
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thresh ThresholdByUpper 2000.0
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thresh SetInValue 0
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thresh SetOutValue 200
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thresh ReleaseDataFlagOff
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vtkImageCityBlockDistance dist
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dist SetDimensionality 2
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dist SetInputConnection [thresh GetOutputPort]
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vtkImageViewer viewer
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viewer SetInputConnection [dist GetOutputPort]
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viewer SetColorWindow 117
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viewer SetColorLevel 43
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viewer Render
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