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37 lines
604 B
37 lines
604 B
2 years ago
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package require vtk
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# This script shows the result of an ideal lowpass filter in frequency space.
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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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vtkImageFFT fft
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fft SetInputConnection [reader GetOutputPort]
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#fft DebugOn
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vtkImageIdealLowPass lowPass
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lowPass SetInputConnection [fft GetOutputPort]
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lowPass SetXCutOff 0.2
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lowPass SetYCutOff 0.1
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lowPass ReleaseDataFlagOff
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#lowPass DebugOn
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vtkImageViewer viewer
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viewer SetInputConnection [lowPass GetOutputPort]
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viewer SetColorWindow 10000
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viewer SetColorLevel 5000
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#viewer DebugOn
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viewer Render
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