File: TestGradientMagnitude.tcl

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package require vtk



# Image pipeline

vtkGESignaReader reader
reader SetFileName "$VTK_DATA_ROOT/Data/E07733S002I009.MR"

vtkImageGradientMagnitude gradient
gradient SetDimensionality 2
gradient SetInputConnection [reader GetOutputPort]

vtkImageViewer viewer
viewer SetInputConnection [gradient GetOutputPort]
viewer SetColorWindow 250
viewer SetColorLevel 125


viewer Render