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39 lines
728 B
39 lines
728 B
2 years ago
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package require vtk
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# This script subtracts the 2D laplacian from an image to enhance the edges.
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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 SetInputConnection [reader GetOutputPort]
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cast SetOutputScalarTypeToDouble
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vtkImageLaplacian lap
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lap SetInputConnection [cast GetOutputPort]
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lap SetDimensionality 2
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vtkImageMathematics subtract
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subtract SetOperationToSubtract
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subtract SetInput1 [cast GetOutput]
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subtract SetInput2 [lap GetOutput]
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subtract ReleaseDataFlagOff
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#subtract BypassOn
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vtkImageViewer viewer
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#viewer DebugOn
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viewer SetInputConnection [subtract GetOutputPort]
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viewer SetColorWindow 2000
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viewer SetColorLevel 1000
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viewer Render
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