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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkbranchgeometry.py,v $
## Language: Python
## Date: $Date: 2005/09/14 09:48:31 $
## Version: $Revision: 1.7 $
## 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 vtkvmtk
import sys
import pypes
vmtkbranchgeometry = 'vmtkBranchGeometry'
class vmtkBranchGeometry(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Centerlines = None
self.GeometryData = None
self.RadiusArrayName = ''
self.GroupIdsArrayName = ''
self.BlankingArrayName = ''
self.LengthArrayName = 'Length'
self.CurvatureArrayName = 'Curvature'
self.TorsionArrayName = 'Torsion'
self.TortuosityArrayName = 'Tortuosity'
self.LineSmoothing = 0
self.NumberOfSmoothingIterations = 100
self.SmoothingFactor = 0.1
self.SetScriptName('vmtkbranchgeometry')
self.SetScriptDoc('compute geometric parameters for each branch of a tree. The script takes in input the centerlines already split into branches.')
self.SetInputMembers([
['Centerlines','i','vtkPolyData',1,'','the input split centerlines','vmtksurfacereader'],
['RadiusArrayName','radiusarray','str',1,'','name of the array where centerline radius values are stored'],
['GroupIdsArrayName','groupidsarray','str',1,'','name of the array where centerline group ids are stored'],
['BlankingArrayName','blankingarray','str',1,'','name of the array where blanking information about branches is stored'],
['LengthArrayName','lengtharray','str',1,'','name of the array where the average length of each branch has to be stored'],
['CurvatureArrayName','curvaturearray','str',1,'','name of the array where the average curvature of each branch has to be stored'],
['TorsionArrayName','torsionarray','str',1,'','name of the array where the average torsion of each branch has to be stored'],
['TortuosityArrayName','tortuosityarray','str',1,'','name of the array where the average tortuosity of each branch, defined as the length of a line divided by the distance of its endpoints, has to be stored'],
['LineSmoothing','smoothing','bool',1,''],
['NumberOfSmoothingIterations','iterations','int',1,'(0,)'],
['SmoothingFactor','factor','float',1,'(0.0,)']
])
self.SetOutputMembers([
['GeometryData','o','vtkPolyData',1,'','the output data set','vmtksurfacewriter'],
['LengthArrayName','lengtharray','str',1,'','name of the array where the average length of each branch is stored'],
['CurvatureArrayName','curvaturearray','str',1,'','name of the array where the average curvature of each branch is stored'],
['TorsionArrayName','torsionarray','str',1,'','name of the array where the average torsion of each branch is stored'],
['TortuosityArrayName','tortuosityarray','str',1,'','name of the array where the average tortuosity of each branch, defined as the length of a line divided by the distance of its endpoints minus one (L/D - 1), is stored']
])
def Execute(self):
if self.Centerlines == None:
self.PrintError('Error: No input centerlines.')
centerlineBranchGeometry = vtkvmtk.vtkvmtkCenterlineBranchGeometry()
centerlineBranchGeometry.SetInput(self.Centerlines)
centerlineBranchGeometry.SetRadiusArrayName(self.RadiusArrayName)
centerlineBranchGeometry.SetGroupIdsArrayName(self.GroupIdsArrayName)
centerlineBranchGeometry.SetBlankingArrayName(self.BlankingArrayName)
centerlineBranchGeometry.SetLengthArrayName(self.LengthArrayName)
centerlineBranchGeometry.SetCurvatureArrayName(self.CurvatureArrayName)
centerlineBranchGeometry.SetTorsionArrayName(self.TorsionArrayName)
centerlineBranchGeometry.SetTortuosityArrayName(self.TortuosityArrayName)
centerlineBranchGeometry.SetLineSmoothing(self.LineSmoothing)
centerlineBranchGeometry.SetNumberOfSmoothingIterations(self.NumberOfSmoothingIterations)
centerlineBranchGeometry.SetSmoothingFactor(self.SmoothingFactor)
centerlineBranchGeometry.Update()
self.GeometryData = centerlineBranchGeometry.GetOutput()
if self.GeometryData.GetSource():
self.GeometryData.GetSource().UnRegisterAllOutputs()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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