1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkimagebinarize.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
import sys
import pypes
vmtkimagebinarize = 'vmtkImageBinarize'
class vmtkImageBinarize(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Image = None
self.Threshold = 0.0
self.LowerLabel = 0
self.UpperLabel = 1
self.SetScriptName('vmtkimagebinarize')
self.SetScriptDoc('binarize the input image producing a label map')
self.SetInputMembers([
['Image','i','vtkImageData',1,'','the input image','vmtkimagereader'],
['Threshold','threshold','float',1,'','the threshold at which the image should be binarized'],
['LowerLabel','lowerlabel','int',1,'','the label to associate to the pixels lower than the threshold'],
['UpperLabel','upperlabel','int',1,'','the label to associate to the pixels higher than the threshold']
])
self.SetOutputMembers([
['Image','o','vtkImageData',1,'','the output image','vmtkimagewriter']
])
def Execute(self):
if self.Image == None:
self.PrintError('Error: No input image.')
thresholdFilter = vtk.vtkImageThreshold()
thresholdFilter.SetInputData(self.Image)
thresholdFilter.ThresholdByUpper(self.Threshold)
thresholdFilter.ReplaceInOn()
thresholdFilter.ReplaceOutOn()
thresholdFilter.SetInValue(self.UpperLabel)
thresholdFilter.SetOutValue(self.LowerLabel)
thresholdFilter.SetOutputScalarTypeToShort()
thresholdFilter.Update()
self.Image = thresholdFilter.GetOutput()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
|
