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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkimagemorphology.py,v $
## Language: Python
## Date: $Date: 2006/07/17 09:53:14 $
## Version: $Revision: 1.8 $
## Copyright (c) Luca Antiga, David Steinman. All rights reserved.
## See LICENCE file for details.
## This software is distributed WITHOUT ANY WARRANTY; without even
## the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
## PURPOSE. See the above copyright notices for more information.
import vtk
from vmtk import vtkvmtk
import sys
import pypes
vmtkimagemorphology = 'vmtkImageMorphology'
class vmtkImageMorphology(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Image = None
self.BallRadius = [1,1,1]
self.Operation = 'closing'
self.SetScriptName('vmtkimagemorphology')
self.SetScriptDoc('apply binary or grayscale morphology filter to the input image')
self.SetInputMembers([
['Image','i','vtkImageData',1,'','the input image','vmtkimagereader'],
['BallRadius','radius','int',3,'(0,)','the radius of the structuring element'],
['Operation','operation','str',1,'["dilate","erode","open","close"]','the morphological operation to perform']
])
self.SetOutputMembers([
['Image','o','vtkImageData',1,'','the output image','vmtkimagewriter']
])
def Execute(self):
if self.Image == None:
self.PrintError('Error: No input image.')
morphologyFilter = vtkvmtk.vtkvmtkGrayscaleMorphologyImageFilter()
if self.Operation == 'close':
morphologyFilter.SetOperationToClose()
elif self.Operation == 'open':
morphologyFilter.SetOperationToOpen()
elif self.Operation == 'dilate':
morphologyFilter.SetOperationToDilate()
elif self.Operation == 'erode':
morphologyFilter.SetOperationToErode()
cast = vtk.vtkImageCast()
cast.SetInputData(self.Image)
cast.SetOutputScalarTypeToFloat()
cast.Update()
morphologyFilter.SetInputConnection(cast.GetOutputPort())
morphologyFilter.SetBallRadius(self.BallRadius)
morphologyFilter.Update()
self.Image = morphologyFilter.GetOutput()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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