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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtksurfacecapper.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 sys
import vtk
import vtkvmtk
import pypes
vmtksurfacecapper = 'vmtkSurfaceCapper'
class vmtkSurfaceCapper(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Surface = None
self.TriangleOutput = 1
self.CellEntityIdsArrayName = 'CellEntityIds'
self.CellEntityIdOffset = 1
self.Interactive = 1
self.Method = 'simple'
self.ConstraintFactor = 1.0
self.NumberOfRings = 8
self.vmtkRenderer = None
self.OwnRenderer = 0
self.SetScriptName('vmtksurfacecapper')
self.SetScriptDoc('add caps to the holes of a surface, assigning an id to each cap for easy specification of boundary conditions ("simple" method only).')
self.SetInputMembers([
['Surface','i','vtkPolyData',1,'','the input surface','vmtksurfacereader'],
['Method','method','str',1,'["simple","centerpoint","smooth","annular"]','capping method'],
['TriangleOutput','triangle','bool',1,'','toggle triangulation of the output'],
['CellEntityIdsArrayName','entityidsarray','str',1,'','name of the array where the id of the caps have to be stored'],
['CellEntityIdOffset','entityidoffset','int',1,'(0,)','offset for entity ids ("simple" method only")'],
['ConstraintFactor','constraint','float',1,'','amount of influence of the shape of the surface near the boundary on the shape of the cap ("smooth" method only)'],
['NumberOfRings','rings','int',1,'(0,)','number of rings composing the cap ("smooth" method only)'],
['Interactive','interactive','bool',1],
['vmtkRenderer','renderer','vmtkRenderer',1,'','external renderer']
])
self.SetOutputMembers([
['Surface','o','vtkPolyData',1,'','the output surface','vmtksurfacewriter'],
['CellEntityIdsArrayName','entityidsarray','str',1,'','name of the array where the id of the caps are stored']
])
def LabelValidator(self,text):
import string
if not text:
return 0
if not text.split():
return 0
for char in text:
if char not in string.digits + " ":
return 0
return 1
def Execute(self):
if self.Surface == None:
self.PrintError('Error: No input surface.')
# cleaner = vtk.vtkCleanPolyData()
# cleaner.SetInput(self.Surface)
# cleaner.Update()
#
# triangleFilter = vtk.vtkTriangleFilter()
# triangleFilter.SetInput(cleaner.GetOutput())
# triangleFilter.Update()
#
# self.Surface = triangleFilter.GetOutput()
boundaryIds = vtk.vtkIdList()
if self.Interactive:
if not self.vmtkRenderer:
import vmtkrenderer
self.vmtkRenderer = vmtkrenderer.vmtkRenderer()
self.vmtkRenderer.Initialize()
self.OwnRenderer = 1
self.vmtkRenderer.RegisterScript(self)
boundaryExtractor = vtkvmtk.vtkvmtkPolyDataBoundaryExtractor()
boundaryExtractor.SetInput(self.Surface)
boundaryExtractor.Update()
boundaries = boundaryExtractor.GetOutput()
numberOfBoundaries = boundaries.GetNumberOfCells()
seedPoints = vtk.vtkPoints()
for i in range(numberOfBoundaries):
barycenter = [0.0, 0.0, 0.0]
vtkvmtk.vtkvmtkBoundaryReferenceSystems.ComputeBoundaryBarycenter(boundaries.GetCell(i).GetPoints(),barycenter)
seedPoints.InsertNextPoint(barycenter)
seedPolyData = vtk.vtkPolyData()
seedPolyData.SetPoints(seedPoints)
seedPolyData.Update()
labelsMapper = vtk.vtkLabeledDataMapper();
labelsMapper.SetInput(seedPolyData)
labelsMapper.SetLabelModeToLabelIds()
labelsActor = vtk.vtkActor2D()
labelsActor.SetMapper(labelsMapper)
self.vmtkRenderer.Renderer.AddActor(labelsActor)
surfaceMapper = vtk.vtkPolyDataMapper()
surfaceMapper.SetInput(self.Surface)
surfaceMapper.ScalarVisibilityOff()
surfaceActor = vtk.vtkActor()
surfaceActor.SetMapper(surfaceMapper)
surfaceActor.GetProperty().SetOpacity(0.25)
self.vmtkRenderer.Renderer.AddActor(surfaceActor)
#self.vmtkRenderer.Render()
#self.vmtkRenderer.Renderer.RemoveActor(labelsActor)
#self.vmtkRenderer.Renderer.RemoveActor(surfaceActor)
ok = False
while not ok:
labelString = self.InputText("Please input boundary ids: ",self.LabelValidator)
labels = [int(label) for label in labelString.split()]
ok = True
for label in labels:
if label not in range(numberOfBoundaries):
ok = False
for label in labels:
boundaryIds.InsertNextId(label)
if self.Method == 'simple':
capper = vtkvmtk.vtkvmtkSimpleCapPolyData()
capper.SetInput(self.Surface)
if self.Interactive:
capper.SetBoundaryIds(boundaryIds)
capper.SetCellEntityIdsArrayName(self.CellEntityIdsArrayName)
capper.SetCellEntityIdOffset(self.CellEntityIdOffset)
capper.Update()
self.Surface = capper.GetOutput()
elif self.Method == 'centerpoint':
capper = vtkvmtk.vtkvmtkCapPolyData()
capper.SetInput(self.Surface)
if self.Interactive:
capper.SetBoundaryIds(boundaryIds)
capper.SetDisplacement(0.0)
capper.SetInPlaneDisplacement(0.0)
capper.Update()
self.Surface = capper.GetOutput()
elif self.Method == 'smooth':
triangle = vtk.vtkTriangleFilter()
triangle.SetInput(self.Surface)
triangle.PassLinesOff()
triangle.PassVertsOff()
triangle.Update()
capper = vtkvmtk.vtkvmtkSmoothCapPolyData()
capper.SetInput(triangle.GetOutput())
capper.SetConstraintFactor(self.ConstraintFactor)
capper.SetNumberOfRings(self.NumberOfRings)
if self.Interactive:
capper.SetBoundaryIds(boundaryIds)
capper.Update()
self.Surface = capper.GetOutput()
elif self.Method == 'annular':
capper = vtkvmtk.vtkvmtkAnnularCapPolyData()
capper.SetInput(self.Surface)
capper.SetCellEntityIdsArrayName(self.CellEntityIdsArrayName)
capper.SetCellEntityIdOffset(self.CellEntityIdOffset)
capper.Update()
self.Surface = capper.GetOutput()
if self.TriangleOutput == 1:
triangle = vtk.vtkTriangleFilter()
triangle.SetInput(self.Surface)
triangle.PassLinesOff()
triangle.PassVertsOff()
triangle.Update()
self.Surface = triangle.GetOutput()
normals = vtk.vtkPolyDataNormals()
normals.SetInput(self.Surface)
normals.AutoOrientNormalsOn()
normals.SplittingOff()
normals.ConsistencyOn()
normals.Update()
self.Surface = normals.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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