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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtksurfacetransforminteractive.py,v $
## Language: Python
## Date: $Date: 2009/01/30 15:52:00 $
## Version: $Revision: 1.0 $
## 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.
## Note: this class was contributed by
## Hugo Gratama van Andel
## Academic Medical Centre - University of Amsterdam
## Dept. Biomedical Engineering & Physics
import vtk
import sys
import vmtkrenderer
import pypes
vmtksurfacetransforminteractive = 'vmtkSurfaceTransformInteractive'
class vmtkSurfaceTransformInteractive(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Surface = None
self.TransformedSurface = vtk.vtkPolyData()
self.ReferenceSurface = None
self.vmtkRenderer = None
self.OwnRenderer = 0
self.Actor = None
self.BoxWidget = None
self.Matrix4x4 = None
self.Transform = None
self.TransformFilter = None
self.Scaling = 0
self.SetScriptName('vmtksurfacetransforminteractive')
self.SetScriptDoc('interactively transform a surface to another surface')
self.SetInputMembers([
['Surface','i','vtkPolyData',1,'','the input surface','vmtksurfacereader'],
['ReferenceSurface','r','vtkPolyData',1,'','the reference surface','vmtksurfacereader'],
['Scaling','scaling','bool',1,'','allow scaling of surface'],
['vmtkRenderer','renderer','vmtkRenderer',1,'','external renderer']
])
self.SetOutputMembers([
['Surface','o','vtkPolyData',1,'','the output surface','vmtksurfacewriter'],
['Matrix4x4','omatrix4x4','vtkMatrix4x4',1,'','the output transform matrix']
])
def MoveCallback(self,obj):
if self.BoxWidget.GetEnabled() != 1:
return
self.BoxWidget.GetTransform(self.Transform)
self.TransformFilter.Update()
self.TransformedSurface.ShallowCopy(self.TransformFilter.GetOutput())
self.TransformedSurface.Update()
if self.TransformedSurface.GetSource():
self.TransformedSurface.GetSource().UnregisterAllOutputs()
self.vmtkRenderer.RenderWindow.Render()
def InteractCallback(self):
if self.BoxWidget.GetEnabled() == 1:
self.BoxWidget.SetEnabled(0)
else:
self.BoxWidget.SetEnabled(1)
##def KeyPressed(self,obj,event):
## key = obj.GetKeySym()
##if key != 'space':
## return
##if self.BoxWidget.GetEnabled() != 1:
## return
##self.BoxWidget.GetTransform(self.Transform)
##self.TransformFilter.Update()
##self.TransformedSurface.ShallowCopy(self.TransformFilter.GetOutput())
##self.TransformedSurface.Update()
##if self.TransformedSurface.GetSource():
## self.TransformedSurface.GetSource().UnregisterAllOutputs()
##self.vmtkRenderer.RenderWindow.Render()
def Display(self):
self.Surface.ComputeBounds()
self.BoxWidget.PlaceWidget(self.Surface.GetBounds())
#self.vmtkRenderer.RenderWindowInteractor.Initialize()
self.vmtkRenderer.Render()
#self.vmtkRenderer.RenderWindowInteractor.Start()
def Execute(self):
if (self.Surface == None):
self.PrintError('Error: no Surface.')
#if (self.ReferenceSurface == None):
# self.PrintError('Error: no Reference Surface.')
if not self.vmtkRenderer:
self.vmtkRenderer = vmtkrenderer.vmtkRenderer()
self.vmtkRenderer.Initialize()
self.OwnRenderer = 1
self.vmtkRenderer.RegisterScript(self)
if self.Transform == None:
self.Transform = vtk.vtkTransform()
if self.TransformFilter == None:
self.TransformFilter= vtk.vtkTransformPolyDataFilter()
self.TransformFilter.SetInput(self.Surface)
self.TransformFilter.SetTransform(self.Transform)
self.TransformFilter.Update()
self.TransformFilter.GetOutput().Update()
self.TransformedSurface.ShallowCopy(self.TransformFilter.GetOutput())
self.TransformedSurface.Update()
mapper = vtk.vtkPolyDataMapper()
mapper.SetInput(self.TransformedSurface)
mapper.ScalarVisibilityOff()
self.Actor = vtk.vtkActor()
self.Actor.SetMapper(mapper)
self.Actor.GetProperty().SetColor(1.0, 0.1, 0.1)
#self.Actor.GetProperty().SetOpacity(0.5)
self.vmtkRenderer.Renderer.AddActor(self.Actor)
if self.ReferenceSurface:
mapper2 = vtk.vtkPolyDataMapper()
mapper2.SetInput(self.ReferenceSurface)
mapper2.ScalarVisibilityOff()
self.Actor2 = vtk.vtkActor()
self.Actor2.SetMapper(mapper2)
self.Actor2.GetProperty().SetColor(1.0, 1.0, 1.0)
self.Actor2.GetProperty().SetOpacity(0.5)
self.vmtkRenderer.Renderer.AddActor(self.Actor2)
self.BoxWidget = vtk.vtkBoxWidget()
self.BoxWidget.SetPlaceFactor(1.0)
self.BoxWidget.SetInteractor(self.vmtkRenderer.RenderWindowInteractor)
self.BoxWidget.GetFaceProperty().SetColor(0.6,0.6,0.2)
self.BoxWidget.GetFaceProperty().SetOpacity(0.25)
self.BoxWidget.ScalingEnabledOff()
self.BoxWidget.HandlesOff()
if self.Scaling:
self.BoxWidget.ScalingEnabledOn()
self.BoxWidget.HandlesOn()
self.vmtkRenderer.RegisterScript(self)
self.InputInfo('Use the left-mousebutton to rotate the box \nUse the middle-mouse-button to move the box \nPress space to move the surface to its new postion')
#self.OutputText('Press \'i\' to activate the box widget interactor \n')
#self.OutputText('Use the left-mousebutton to rotate the box \n')
#self.OutputText('Use the middle-mouse-button to move the box \n')
#self.OutputText('Press space to move the surface to its new postion \n')
#self.OutputText('Press \'q\' to quit and apply the transform \n')
self.vmtkRenderer.AddKeyBinding('space','Move the surface.',self.MoveCallback)
self.vmtkRenderer.AddKeyBinding('i','Interact.',self.InteractCallback)
self.Display()
self.Surface = self.TransformedSurface
self.Matrix4x4 = self.Transform.GetMatrix()
if self.OwnRenderer:
self.vmtkRenderer.Deallocate()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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