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28 lines
537 B
28 lines
537 B
2 years ago
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# Show the constant kernel. Smooth an impulse function.
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package require vtk
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vtkImageCanvasSource2D s1
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s1 SetScalarTypeToFloat
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s1 SetExtent 0 255 0 255 0 0
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s1 SetDrawColor 0
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s1 FillBox 0 255 0 255
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s1 SetDrawColor 1.0
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s1 FillBox 75 175 75 175
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vtkImageConvolve convolve
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convolve SetInputConnection [s1 GetOutputPort]
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convolve SetKernel5x5 1 1 1 1 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 1 1 1 1 1
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vtkImageViewer viewer
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viewer SetInputConnection [convolve GetOutputPort]
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viewer SetColorWindow 18
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viewer SetColorLevel 9
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viewer Render
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