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41 lines
709 B
41 lines
709 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 2.0
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s1 FillTriangle 10 100 190 150 40 250
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vtkImageCanvasSource2D s2
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s2 SetScalarTypeToFloat
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s2 SetExtent 0 31 0 31 0 0
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s2 SetDrawColor 0.0
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s2 FillBox 0 31 0 31
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s2 SetDrawColor 2.0
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s2 FillTriangle 10 1 25 10 1 5
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vtkImageCorrelation convolve
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convolve SetDimensionality 2
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convolve SetInput1 [s1 GetOutput]
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convolve SetInput2 [s2 GetOutput]
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vtkImageViewer viewer
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viewer SetInputConnection [convolve GetOutputPort]
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viewer SetColorWindow 256
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viewer SetColorLevel 127.5
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viewer Render
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