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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkimageseeder.py,v $
## Language: Python
## Date: $Date: 2006/05/26 12:35:13 $
## 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 vtkvmtk
import vmtkrenderer
import pypes
vmtkimageseeder = 'vmtkImageSeeder'
class vmtkImageSeeder(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Image = None
self.vmtkRenderer = None
self.OwnRenderer = 0
self.Display = 1
self.ArrayName = ''
self.Picker = None
self.PlaneWidgetX = None
self.PlaneWidgetY = None
self.PlaneWidgetZ = None
self.SeedActor = None
self.Seeds = None
self.TextureInterpolation = 1
self.KeepSeeds = 0
self.SetScriptName('vmtkimageseeder')
self.SetScriptDoc('interactively place seeds in a 3D image')
self.SetInputMembers([
['Image','i','vtkImageData',1,'','the input image','vmtkimagereader'],
['ArrayName','array','str',1,'','name of the array to display'],
['vmtkRenderer','renderer','vmtkRenderer',1,'','external renderer'],
['Display','display','bool',1,'','toggle rendering'],
['KeepSeeds','keepseeds','bool',1,'','toggle avoid removal of seeds from renderer'],
['TextureInterpolation','textureinterpolation','bool',1,'','toggle interpolation of graylevels on image planes']
])
self.SetOutputMembers([
['Image','o','vtkImageData',1,'','the output image','vmtkimagewriter'],
['Seeds','seeds','vtkPolyData',1,'','the placed seeds','vmtksurfacewriter']
])
def AddSeed(self, obj, event):
if self.vmtkRenderer.RenderWindowInteractor.GetControlKey() == 0:
return
cursorData = [0.0,0.0,0.0,0.0]
obj.GetCursorData(cursorData)
spacing = self.Image.GetSpacing()
origin = self.Image.GetOrigin()
extent = self.Image.GetWholeExtent()
point = [0.0,0.0,0.0]
point[0] = cursorData[0] * spacing[0] + origin[0]
point[1] = cursorData[1] * spacing[1] + origin[1]
point[2] = cursorData[2] * spacing[2] + origin[2]
self.Seeds.GetPoints().InsertNextPoint(point)
self.Seeds.Modified()
self.vmtkRenderer.RenderWindow.Render()
def WidgetsOn(self):
self.PlaneWidgetX.On()
self.PlaneWidgetY.On()
self.PlaneWidgetZ.On()
def WidgetsOff(self):
self.PlaneWidgetX.Off()
self.PlaneWidgetY.Off()
self.PlaneWidgetZ.Off()
def InitializeSeeds(self):
self.Seeds.Initialize()
seedPoints = vtk.vtkPoints()
self.Seeds.SetPoints(seedPoints)
def BuildView(self):
if (self.ArrayName != ''):
self.Image.GetPointData().SetActiveScalars(self.ArrayName)
wholeExtent = self.Image.GetWholeExtent()
# self.PlaneWidgetX.SetResliceInterpolateToNearestNeighbour()
self.PlaneWidgetX.SetResliceInterpolateToLinear()
self.PlaneWidgetX.SetTextureInterpolate(self.TextureInterpolation)
self.PlaneWidgetX.SetInput(self.Image)
self.PlaneWidgetX.SetPlaneOrientationToXAxes()
self.PlaneWidgetX.SetSliceIndex(wholeExtent[0])
self.PlaneWidgetX.DisplayTextOn()
self.PlaneWidgetX.KeyPressActivationOff()
# self.PlaneWidgetY.SetResliceInterpolateToNearestNeighbour()
self.PlaneWidgetY.SetResliceInterpolateToLinear()
self.PlaneWidgetY.SetTextureInterpolate(self.TextureInterpolation)
self.PlaneWidgetY.SetInput(self.Image)
self.PlaneWidgetY.SetPlaneOrientationToYAxes()
self.PlaneWidgetY.SetSliceIndex(wholeExtent[2])
self.PlaneWidgetY.DisplayTextOn()
self.PlaneWidgetY.KeyPressActivationOff()
self.PlaneWidgetY.SetLookupTable(self.PlaneWidgetX.GetLookupTable())
# self.PlaneWidgetZ.SetResliceInterpolateToNearestNeighbour()
self.PlaneWidgetZ.SetResliceInterpolateToLinear()
self.PlaneWidgetZ.SetTextureInterpolate(self.TextureInterpolation)
self.PlaneWidgetZ.SetInput(self.Image)
self.PlaneWidgetZ.SetPlaneOrientationToZAxes()
self.PlaneWidgetZ.SetSliceIndex(wholeExtent[4])
self.PlaneWidgetZ.DisplayTextOn()
self.PlaneWidgetZ.KeyPressActivationOff()
self.PlaneWidgetZ.SetLookupTable(self.PlaneWidgetX.GetLookupTable())
glyphs = vtk.vtkGlyph3D()
glyphSource = vtk.vtkSphereSource()
glyphs.SetInput(self.Seeds)
glyphs.SetSource(glyphSource.GetOutput())
glyphs.SetScaleModeToDataScalingOff()
glyphs.SetScaleFactor(self.Image.GetLength()*0.01)
glyphMapper = vtk.vtkPolyDataMapper()
glyphMapper.SetInput(glyphs.GetOutput())
self.SeedActor = vtk.vtkActor()
self.SeedActor.SetMapper(glyphMapper)
self.SeedActor.GetProperty().SetColor(1.0,0.0,0.0)
self.vmtkRenderer.Renderer.AddActor(self.SeedActor)
self.WidgetsOn()
if (self.Display == 1):
self.vmtkRenderer.AddKeyBinding('Ctrl','Add Seed.')
self.vmtkRenderer.Render()
def Execute(self):
if (self.Image == None) & (self.Display == 1):
self.PrintError('Error: no Image.')
if not self.vmtkRenderer:
self.vmtkRenderer = vmtkrenderer.vmtkRenderer()
self.vmtkRenderer.Initialize()
self.OwnRenderer = 1
self.vmtkRenderer.RegisterScript(self)
##self.PrintLog('Ctrl + left click to add seed.')
self.Picker = vtk.vtkCellPicker()
self.Picker.SetTolerance(0.005)
self.PlaneWidgetX = vtk.vtkImagePlaneWidget()
self.PlaneWidgetX.SetInteractor(self.vmtkRenderer.RenderWindowInteractor)
self.PlaneWidgetX.AddObserver("StartInteractionEvent", self.AddSeed)
self.PlaneWidgetX.SetPicker(self.Picker)
self.PlaneWidgetY = vtk.vtkImagePlaneWidget()
self.PlaneWidgetY.SetInteractor(self.vmtkRenderer.RenderWindowInteractor)
self.PlaneWidgetY.AddObserver("StartInteractionEvent", self.AddSeed)
self.PlaneWidgetY.SetPicker(self.Picker)
self.PlaneWidgetZ = vtk.vtkImagePlaneWidget()
self.PlaneWidgetZ.SetInteractor(self.vmtkRenderer.RenderWindowInteractor)
self.PlaneWidgetZ.AddObserver("StartInteractionEvent", self.AddSeed)
self.PlaneWidgetZ.SetPicker(self.Picker)
self.Seeds = vtk.vtkPolyData()
self.InitializeSeeds()
self.BuildView()
self.WidgetsOff()
if not self.KeepSeeds:
self.vmtkRenderer.Renderer.RemoveActor(self.SeedActor)
if self.OwnRenderer:
self.vmtkRenderer.Deallocate()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
|
