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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkimageviewer.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
vmtkimageviewer = 'vmtkImageViewer'
class vmtkImageViewer(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.Margins = 0
self.TextureInterpolation = 1
self.ContinuousCursor = 0
self.WindowLevel = [0.0, 0.0]
self.SetScriptName('vmtkimageviewer')
self.SetScriptDoc('display 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'],
['WindowLevel','windowlevel','float',2,'','the window/level for displaying the image'],
['Display','display','bool',1,'','toggle rendering'],
['Margins','margins','bool',1,'','toggle margins for tilting image planes'],
['TextureInterpolation','textureinterpolation','bool',1,'','toggle interpolation of graylevels on image planes'],
['ContinuousCursor','continuouscursor','bool',1,'','toggle use of physical continuous coordinates for the cursor']
])
self.SetOutputMembers([
['Image','o','vtkImageData',1,'','the output image','vmtkimagewriter'],
['PlaneWidgetX','xplane','vtkImagePlaneWidget',1,'','the X image plane widget'],
['PlaneWidgetY','yplane','vtkImagePlaneWidget',1,'','the Y image plane widget'],
['PlaneWidgetZ','zplane','vtkImagePlaneWidget',1,'','the Z image plane widget']
])
def CharCallback(self, obj):
return
def BuildView(self):
if not self.vmtkRenderer:
self.vmtkRenderer = vmtkrenderer.vmtkRenderer()
self.vmtkRenderer.Initialize()
self.OwnRenderer = 1
self.vmtkRenderer.RegisterScript(self)
if (self.ArrayName != ''):
self.Image.GetPointData().SetActiveScalars(self.ArrayName)
wholeExtent = self.Image.GetExtent()
if self.Picker == None:
self.Picker = vtk.vtkCellPicker()
if self.PlaneWidgetX == None:
self.PlaneWidgetX = vtkvmtk.vtkvmtkImagePlaneWidget()
if self.PlaneWidgetY == None:
self.PlaneWidgetY = vtkvmtk.vtkvmtkImagePlaneWidget()
if self.PlaneWidgetZ == None:
self.PlaneWidgetZ = vtkvmtk.vtkvmtkImagePlaneWidget()
self.Picker.SetTolerance(0.005)
self.PlaneWidgetX.SetResliceInterpolateToLinear()
self.PlaneWidgetX.SetTextureInterpolate(self.TextureInterpolation)
self.PlaneWidgetX.SetUseContinuousCursor(self.ContinuousCursor)
self.PlaneWidgetX.SetInputData(self.Image)
self.PlaneWidgetX.SetPlaneOrientationToXAxes()
self.PlaneWidgetX.SetSliceIndex(wholeExtent[0])
if self.vmtkRenderer.Annotations:
self.PlaneWidgetX.DisplayTextOn()
else:
self.PlaneWidgetX.DisplayTextOff()
self.PlaneWidgetX.SetPicker(self.Picker)
self.PlaneWidgetX.KeyPressActivationOff()
self.PlaneWidgetX.SetInteractor(self.vmtkRenderer.RenderWindowInteractor)
if self.Margins:
self.PlaneWidgetX.SetMarginSizeX(0.05)
self.PlaneWidgetX.SetMarginSizeY(0.05)
else:
self.PlaneWidgetX.SetMarginSizeX(0.0)
self.PlaneWidgetX.SetMarginSizeY(0.0)
if self.WindowLevel[0] != 0.0:
self.PlaneWidgetX.SetWindowLevel(self.WindowLevel[0],self.WindowLevel[1])
self.PlaneWidgetX.On()
self.PlaneWidgetY.SetResliceInterpolateToLinear()
self.PlaneWidgetY.SetTextureInterpolate(self.TextureInterpolation)
self.PlaneWidgetY.SetUseContinuousCursor(self.ContinuousCursor)
self.PlaneWidgetY.SetInputData(self.Image)
self.PlaneWidgetY.SetPlaneOrientationToYAxes()
self.PlaneWidgetY.SetSliceIndex(wholeExtent[2])
if self.vmtkRenderer.Annotations:
self.PlaneWidgetY.DisplayTextOn()
else:
self.PlaneWidgetY.DisplayTextOff()
self.PlaneWidgetY.SetPicker(self.Picker)
self.PlaneWidgetY.KeyPressActivationOff()
self.PlaneWidgetY.SetLookupTable(self.PlaneWidgetX.GetLookupTable())
self.PlaneWidgetY.SetInteractor(self.vmtkRenderer.RenderWindowInteractor)
if self.Margins:
self.PlaneWidgetY.SetMarginSizeX(0.05)
self.PlaneWidgetY.SetMarginSizeY(0.05)
else:
self.PlaneWidgetY.SetMarginSizeX(0.0)
self.PlaneWidgetY.SetMarginSizeY(0.0)
if self.WindowLevel[0] != 0.0:
self.PlaneWidgetY.SetWindowLevel(self.WindowLevel[0],self.WindowLevel[1])
self.PlaneWidgetY.On()
self.PlaneWidgetZ.SetResliceInterpolateToLinear()
self.PlaneWidgetZ.SetTextureInterpolate(self.TextureInterpolation)
self.PlaneWidgetZ.SetUseContinuousCursor(self.ContinuousCursor)
self.PlaneWidgetZ.SetInputData(self.Image)
self.PlaneWidgetZ.SetPlaneOrientationToZAxes()
self.PlaneWidgetZ.SetSliceIndex(wholeExtent[4])
if self.vmtkRenderer.Annotations:
self.PlaneWidgetZ.DisplayTextOn()
else:
self.PlaneWidgetZ.DisplayTextOff()
self.PlaneWidgetZ.SetPicker(self.Picker)
self.PlaneWidgetZ.KeyPressActivationOff()
self.PlaneWidgetZ.SetLookupTable(self.PlaneWidgetX.GetLookupTable())
self.PlaneWidgetZ.SetInteractor(self.vmtkRenderer.RenderWindowInteractor)
if self.Margins:
self.PlaneWidgetZ.SetMarginSizeX(0.05)
self.PlaneWidgetZ.SetMarginSizeY(0.05)
else:
self.PlaneWidgetZ.SetMarginSizeX(0.0)
self.PlaneWidgetZ.SetMarginSizeY(0.0)
if self.WindowLevel[0] != 0.0:
self.PlaneWidgetZ.SetWindowLevel(self.WindowLevel[0],self.WindowLevel[1])
self.PlaneWidgetZ.On()
if (self.Display == 1):
self.vmtkRenderer.Render()
if self.OwnRenderer:
self.vmtkRenderer.Deallocate()
def Execute(self):
if (self.Image == None) & (self.Display == 1):
self.PrintError('Error: no Image.')
self.BuildView()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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