/usr/src/WrapITK/Tcl/Tests/WatershedSegmentation1.tcl is in libinsighttoolkit3-dev 3.20.1-1.
This file is owned by root:root, with mode 0o644.
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# Example on the use of the WatershedSegmentation.
#
package require InsightToolkit
set reader [ itkImageFileReaderF2_New ]
$reader SetFileName [lindex $argv 0]
set diffusion [ itkGradientAnisotropicDiffusionImageFilterF2F2_New ]
$diffusion SetInput [ $reader GetOutput ]
$diffusion SetTimeStep 0.0625
$diffusion SetConductanceParameter 9.0
$diffusion SetNumberOfIterations 5
set gradient [ itkGradientMagnitudeImageFilterF2F2_New ]
$gradient SetInput [ $diffusion GetOutput ]
set watershed [ itkWatershedImageFilterF2_New ]
$watershed SetInput [ $gradient GetOutput ]
$watershed SetThreshold 0.01
$watershed SetLevel 0.2
set writer [ itkImageFileWriterUL2_New ]
$writer SetInput [ $watershed GetOutput ]
$writer SetFileName [lindex $argv 1]
$writer Update
exit
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