#==========================================================================
#
#   Copyright NumFOCUS
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#          http://www.apache.org/licenses/LICENSE-2.0.txt
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#
#==========================================================================*/

#
#  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