# Tst the OpenClose3D filter.

package require vtk


# Image pipeline

vtkPNGReader reader
reader SetFileName "$VTK_DATA_ROOT/Data/fullhead15.png"

vtkImageThreshold thresh
thresh SetInputConnection [reader GetOutputPort]
thresh SetOutputScalarTypeToUnsignedChar
thresh ThresholdByUpper 2000.0
thresh SetInValue 255
thresh SetOutValue 0
thresh ReleaseDataFlagOff

vtkImageOpenClose3D my_close
my_close SetInputConnection [thresh GetOutputPort]
my_close SetOpenValue 0
my_close SetCloseValue 255
my_close SetKernelSize 5 5 3
my_close ReleaseDataFlagOff
# for coverage (we could compare results to see if they are correct).
my_close DebugOn
my_close DebugOff
my_close GetOutput
my_close GetCloseValue
my_close GetOpenValue
#my_close AddObserver ProgressEvent {set pro [my_close GetProgress]; puts "Completed $pro"; flush stdout}

vtkImageViewer viewer
viewer SetInputConnection [my_close GetOutputPort]
viewer SetColorWindow 255
viewer SetColorLevel 127.5


viewer Render