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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtknetworkextraction.py,v $
## Language: Python
## Date: $Date: 2006/07/17 09:53:14 $
## 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 vtkvmtk
import vtk
import sys
import pypes
vmtknetworkextraction = 'vmtkNetworkExtraction'
class vmtkNetworkExtraction(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Surface = None
self.Network = None
self.GraphLayout = None
self.RadiusArrayName = 'Radius'
self.TopologyArrayName = 'Topology'
self.MarksArrayName = 'Marks'
self.AdvancementRatio = 1.05
self.SetScriptName('vmtknetworkextraction')
self.SetScriptDoc('extract a network of approximated centerlines from a surface, the surface must have at least an opening')
self.SetInputMembers([
['Surface','i','vtkPolyData',1,'','the input surface','vmtksurfacereader'],
['AdvancementRatio','advancementratio','float',1,'(1.0,)','the ratio between the sphere step and the local maximum radius'],
['RadiusArrayName','radiusarray','str',1],
['TopologyArrayName','topologyarray','str',1],
['MarksArrayName','marksarray','str',1]
])
self.SetOutputMembers([
['Network','o','vtkPolyData',1,'','the output network','vmtknetworkwriter'],
['GraphLayout','ograph','vtkPolyData',1,'','the output graph layout','vmtknetworkwriter']
])
def PrintProgress(self,obj,event):
self.OutputProgress(obj.GetProgress(),10)
def Execute(self):
if self.Surface == None:
self.PrintError('Error: No input surface.')
networkExtraction = vtkvmtk.vtkvmtkPolyDataNetworkExtraction()
networkExtraction.SetInput(self.Surface)
networkExtraction.SetAdvancementRatio(self.AdvancementRatio)
networkExtraction.SetRadiusArrayName(self.RadiusArrayName)
networkExtraction.SetTopologyArrayName(self.TopologyArrayName)
networkExtraction.SetMarksArrayName(self.MarksArrayName)
networkExtraction.AddObserver("ProgressEvent", self.PrintProgress)
networkExtraction.Update()
self.EndProgress()
self.Network = networkExtraction.GetOutput()
self.GraphLayout = networkExtraction.GetGraphLayout()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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