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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtksurfaceclipper.py,v $
## Language: Python
## Date: $Date: 2006/05/26 12:35:13 $
## Version: $Revision: 1.9 $
## 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 vmtkrenderer
import pypes
vmtksurfaceclipper = 'vmtkSurfaceClipper'
class vmtkSurfaceClipper(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Surface = None
self.vmtkRenderer = None
self.OwnRenderer = 0
self.WidgetType = 'box'
self.Actor = None
self.ClipWidget = None
self.ClipFunction = None
self.CleanOutput = 1
self.Transform = None
self.SetScriptName('vmtksurfaceclipper')
self.SetScriptDoc('interactively clip a surface with a box')
self.SetInputMembers([
['Surface','i','vtkPolyData',1,'','the input surface','vmtksurfacereader'],
['WidgetType','type','str',1,'["box","sphere"]','type of widget used for clipping'],
['Transform','transform','vtkTransform',1,'','the widget transform, useful in case of piping of multiple clipping scripts'],
['CleanOutput','cleanoutput','bool',1,'','toggle cleaning the unused points'],
['vmtkRenderer','renderer','vmtkRenderer',1,'','external renderer']
])
self.SetOutputMembers([
['Surface','o','vtkPolyData',1,'','the output surface','vmtksurfacewriter'],
['Transform','otransform','vtkTransform',1,'','the output widget transform']
])
def ClipCallback(self, obj):
if self.ClipWidget.GetEnabled() != 1:
return
if self.WidgetType == "box":
self.ClipWidget.GetPlanes(self.ClipFunction)
elif self.WidgetType == "sphere":
self.ClipWidget.GetSphere(self.ClipFunction)
self.Clipper.Update()
self.Surface.DeepCopy(self.Clipper.GetClippedOutput())
self.Surface.Update()
self.ClipWidget.Off()
def InteractCallback(self):
if self.BoxWidget.GetEnabled() == 1:
self.BoxWidget.SetEnabled(0)
else:
self.BoxWidget.SetEnabled(1)
def Display(self):
self.ClipWidget.SetInput(self.Surface)
self.ClipWidget.PlaceWidget()
if self.Transform:
self.ClipWidget.SetTransform(self.Transform)
self.ClipWidget.On()
#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.WidgetType == "box":
self.ClipFunction = vtk.vtkPlanes()
elif self.WidgetType == "sphere":
self.ClipFunction = vtk.vtkSphere()
self.Clipper = vtk.vtkClipPolyData()
self.Clipper.SetInput(self.Surface)
self.Clipper.SetClipFunction(self.ClipFunction)
self.Clipper.GenerateClippedOutputOn()
self.Clipper.InsideOutOn()
if not self.vmtkRenderer:
self.vmtkRenderer = vmtkrenderer.vmtkRenderer()
self.vmtkRenderer.Initialize()
self.OwnRenderer = 1
self.vmtkRenderer.RegisterScript(self)
mapper = vtk.vtkPolyDataMapper()
mapper.SetInput(self.Surface)
mapper.ScalarVisibilityOff()
self.Actor = vtk.vtkActor()
self.Actor.SetMapper(mapper)
self.vmtkRenderer.Renderer.AddActor(self.Actor)
if self.WidgetType == "box":
self.ClipWidget = vtk.vtkBoxWidget()
self.ClipWidget.GetFaceProperty().SetColor(0.6,0.6,0.2)
self.ClipWidget.GetFaceProperty().SetOpacity(0.25)
elif self.WidgetType == "sphere":
self.ClipWidget = vtk.vtkSphereWidget()
self.ClipWidget.GetSphereProperty().SetColor(0.6,0.6,0.2)
self.ClipWidget.GetSphereProperty().SetOpacity(0.25)
self.ClipWidget.GetSelectedSphereProperty().SetColor(0.6,0.0,0.0)
self.ClipWidget.GetSelectedSphereProperty().SetOpacity(0.75)
self.ClipWidget.SetRepresentationToSurface()
self.ClipWidget.SetPhiResolution(20)
self.ClipWidget.SetThetaResolution(20)
self.ClipWidget.SetInteractor(self.vmtkRenderer.RenderWindowInteractor)
self.vmtkRenderer.AddKeyBinding('space','Clip.',self.ClipCallback)
self.vmtkRenderer.AddKeyBinding('i','Interact.',self.InteractCallback)
self.Display()
self.Transform = vtk.vtkTransform()
self.ClipWidget.GetTransform(self.Transform)
if self.OwnRenderer:
self.vmtkRenderer.Deallocate()
if self.CleanOutput == 1:
cleaner = vtk.vtkCleanPolyData()
cleaner.SetInput(self.Surface)
cleaner.Update()
self.Surface = cleaner.GetOutput()
if self.Surface.GetSource():
self.Surface.GetSource().UnRegisterAllOutputs()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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