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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtksurfacesubdivision.py,v $
## Language: Python
## Date: $Date: 2005/09/14 09:49:59 $
## Version: $Revision: 1.6 $
## 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
vmtksurfacesubdivision = 'vmtkSurfaceSubdivision'
class vmtkSurfaceSubdivision(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Surface = None
self.NumberOfSubdivisions = 1
self.Method = 'linear'
self.SetScriptName('vmtksurfacesubdivision')
self.SetScriptDoc('subdivide a triangulated surface')
self.SetInputMembers([
['Surface','i','vtkPolyData',1,'','the input surface','vmtksurfacereader'],
['NumberOfSubdivisions','subdivisions','int',1,'(0,)','number of triangle subdivisions'],
['Method','method','str',1,'["linear","butterfly","loop"]','subdivision method']
])
self.SetOutputMembers([
['Surface','o','vtkPolyData',1,'','the output surface','vmtksurfacewriter']
])
def Execute(self):
if self.Surface == None:
self.PrintError('Error: No input surface.')
subdivisionFilter = None
if self.Method == 'linear':
subdivisionFilter = vtk.vtkLinearSubdivisionFilter()
elif self.Method == 'butterfly':
subdivisionFilter = vtk.vtkButterflySubdivisionFilter()
elif self.Method == 'loop':
subdivisionFilter = vtk.vtkLoopSubdivisionFilter()
else:
self.PrintError('Error: Unsupported subdivision method.')
subdivisionFilter.SetInputData(self.Surface)
subdivisionFilter.SetNumberOfSubdivisions(self.NumberOfSubdivisions)
subdivisionFilter.Update()
self.Surface = subdivisionFilter.GetOutput()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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