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
71
72
|
#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtksurfacemodeller.py,v $
## Language: Python
## Date: $Date: 2005/09/14 09:49:59 $
## Version: $Revision: 1.7 $
## 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
vmtksurfacemodeller = 'vmtkSurfaceModeller'
class vmtkSurfaceModeller(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Surface = None
self.Image = None
self.SampleSpacing = -1.0
self.NegativeInside = 1
self.SetScriptName('vmtksurfacemodeller')
self.SetScriptDoc('converts a surface to an image containing the signed distance transform from the surface points')
self.SetInputMembers([
['Surface','i','vtkPolyData',1,'','the input surface','vmtksurfacereader'],
['SampleSpacing','samplespacing','float',1,'(0.0,)','spacing of the output image (isotropic)'],
['NegativeInside','negativeinside','bool',1,'','toggle sign of distance transform negative inside the surface']
])
self.SetOutputMembers([
['Image','o','vtkImageData',1,'','the output image','vmtkimagewriter']])
def Execute(self):
if self.Surface == None:
self.PrintError('Error: No input surface.')
surfaceModellerFilter = vtk.vtkSurfaceReconstructionFilter()
surfaceModellerFilter.SetInput(self.Surface)
surfaceModellerFilter.SetSampleSpacing(self.SampleSpacing)
surfaceModellerFilter.Update()
self.Image = surfaceModellerFilter.GetOutput()
if self.NegativeInside:
negate = vtk.vtkImageMathematics()
negate.SetInput(self.Image)
negate.SetConstantK(-1.0)
negate.SetOperationToMultiplyByK()
negate.Update()
self.Image = negate.GetOutput()
if self.Image.GetSource():
self.Image.GetSource().UnRegisterAllOutputs()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
|
