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44 lines
786 B
44 lines
786 B
2 years ago
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package require vtk
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# This scripts shows a compressed spectrum of an image.
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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 ReleaseDataFlagOff
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#fft DebugOn
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vtkImageMagnitude magnitude
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magnitude SetInputConnection [fft GetOutputPort]
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magnitude ReleaseDataFlagOff
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vtkImageFourierCenter center
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center SetInputConnection [magnitude GetOutputPort]
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vtkImageLogarithmicScale compress
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compress SetInputConnection [center GetOutputPort]
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compress SetConstant 15
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vtkImageViewer2 viewer
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viewer SetInputConnection [compress GetOutputPort]
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viewer SetColorWindow 150
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viewer SetColorLevel 170
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vtkRenderWindowInteractor viewInt
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viewer SetupInteractor viewInt
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viewer Render
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