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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtklineresampling.py,v $
## Language: Python
## Date: $Date: 2005/09/14 09:49:59 $
## Version: $Revision: 1.4 $
## 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 pypes
vmtklineresampling = 'vmtkLineResampling'
class vmtkLineResampling(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Surface = None
self.Length = 0.0;
self.SetScriptName('vmtklineresampling')
self.SetScriptDoc('resample input lines with a spline filter')
self.SetInputMembers([
['Surface','i','vtkPolyData',1,'','the input surface containing vtkPolyLine cells','vmtksurfacereader'],
['Length','length','float',1,'(0.0,)','length of the resampling interval']
])
self.SetOutputMembers([
['Surface','o','vtkPolyData',1,'','the output surface containing the resampled vtkPolyLine cells','vmtksurfacewriter']
])
def Execute(self):
if self.Surface == None:
self.PrintError('Error: No input surface.')
cleaner = vtk.vtkCleanPolyData()
cleaner.SetInput(self.Surface)
cleaner.Update()
if self.Length == 0.0:
self.Length = cleaner.GetOutput().GetLength() / 100.0
splineFilter = vtk.vtkSplineFilter()
splineFilter.SetInput(cleaner.GetOutput())
splineFilter.SetSubdivideToLength()
splineFilter.SetLength(self.Length)
splineFilter.Update()
self.Surface = splineFilter.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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