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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkdistancetocenterlines.py,v $
## Language: Python
## Date: $Date: 2005/09/14 09:48:31 $
## Version: $Revision: 1.5 $
## 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
vmtkdistancetocenterlines = 'vmtkDistanceToCenterlines'
class vmtkDistanceToCenterlines(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Surface = None
self.Centerlines = None
self.UseRadiusInformation = 0
self.EvaluateTubeFunction = 0
self.EvaluateCenterlineRadius = 0
self.UseCombinedDistance = 0
self.ProjectPointArrays = 0
self.DistanceToCenterlinesArrayName = 'DistanceToCenterlines'
self.RadiusArrayName = ''
self.SetScriptName('vmtkdistancetocenterlines')
self.SetInputMembers([
['Surface','i','vtkPolyData',1,'','','vmtksurfacereader'],
['Centerlines','centerlines','vtkPolyData',1,'','','vmtksurfacereader'],
['UseRadiusInformation','useradius','bool',1],
['EvaluateTubeFunction','tubefunction','bool',1],
['EvaluateCenterlineRadius','centerlineradius','bool',1],
['UseCombinedDistance','combined','bool',1,'','combines local radius with maximum inscribed sphere radius'],
['ProjectPointArrays','projectarrays','bool',1],
['DistanceToCenterlinesArrayName','distancetocenterlinesarray','str',1],
['RadiusArrayName','radiusarray','str',1]
])
self.SetOutputMembers([
['Surface','o','vtkPolyData',1,'','','vmtksurfacewriter']
])
def Execute(self):
if self.Surface == None:
self.PrintError('Error: No input surface.')
if self.Centerlines == None:
self.PrintError('Error: No input centerlines.')
if self.UseCombinedDistance == 1:
if self.RadiusArrayName == '':
self.PrintError('Error: CenterlineRadiusArrayName not set.')
distanceToCenterlinesFilter = vtkvmtk.vtkvmtkPolyDataDistanceToCenterlines()
distanceToCenterlinesFilter.SetInputData(self.Surface)
distanceToCenterlinesFilter.SetCenterlines(self.Centerlines)
distanceToCenterlinesFilter.SetUseRadiusInformation(1)
distanceToCenterlinesFilter.SetEvaluateCenterlineRadius(1)
distanceToCenterlinesFilter.SetProjectPointArrays(self.ProjectPointArrays)
distanceToCenterlinesFilter.SetDistanceToCenterlinesArrayName(self.DistanceToCenterlinesArrayName)
distanceToCenterlinesFilter.SetCenterlineRadiusArrayName(self.RadiusArrayName)
distanceToCenterlinesFilter.Update()
surface = distanceToCenterlinesFilter.GetOutput()
centerlineArray = surface.GetPointData().GetArray(self.DistanceToCenterlinesArrayName)
radiusArray = surface.GetPointData().GetArray(self.RadiusArrayName)
for i in range (surface.GetNumberOfPoints()):
centerlineval = centerlineArray.GetComponent(i,0)
radius = radiusArray.GetComponent(i,0)
if centerlineval > 1.4 * radius:
centerlineArray.SetTuple1(i,1.4 * radius)
elif centerlineval < 0.9 * radius:
centerlineArray.SetTuple1(i,radius)
self.Surface = surface
else:
distanceToCenterlinesFilter = vtkvmtk.vtkvmtkPolyDataDistanceToCenterlines()
distanceToCenterlinesFilter.SetInputData(self.Surface)
distanceToCenterlinesFilter.SetCenterlines(self.Centerlines)
distanceToCenterlinesFilter.SetUseRadiusInformation(self.UseRadiusInformation)
distanceToCenterlinesFilter.SetEvaluateTubeFunction(self.EvaluateTubeFunction)
distanceToCenterlinesFilter.SetEvaluateCenterlineRadius(self.EvaluateCenterlineRadius)
distanceToCenterlinesFilter.SetProjectPointArrays(self.ProjectPointArrays)
distanceToCenterlinesFilter.SetDistanceToCenterlinesArrayName(self.DistanceToCenterlinesArrayName)
distanceToCenterlinesFilter.SetCenterlineRadiusArrayName(self.RadiusArrayName)
distanceToCenterlinesFilter.Update()
self.Surface = distanceToCenterlinesFilter.GetOutput()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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