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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkmeshboundaryinspector.py,v $
## Language: Python
## Date: $Date: 2006/05/26 12:35:13 $
## Version: $Revision: 1.3 $
## 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 vtkvmtk
import vmtkrenderer
import pypes
vmtkmeshboundaryinspector = 'vmtkMeshBoundaryInspector'
class vmtkMeshBoundaryInspector(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Mesh = None
self.CellEntityIdsArrayName = ''
self.VolumeCellEntityId = 0
self.WallCellEntityId = 1
self.vmtkRenderer = None
self.OwnRenderer = 0
self.ReferenceSystems = None
self.SetScriptName('vmtkmeshboundaryinspector')
self.SetScriptDoc('')
self.SetInputMembers([
['Mesh','i','vtkUnstructuredGrid',1,'','the input mesh','vmtkmeshreader'],
['CellEntityIdsArrayName','entityidsarray','str',1,''],
['VolumeCellEntityId','volumeid','int',1],
['WallCellEntityId','wallid','int',1],
['vmtkRenderer','renderer','vmtkRenderer',1,'','external renderer']])
self.SetOutputMembers([
['ReferenceSystems','o','vtkPolyData',1,'','the output reference systems with boundary information','vmtksurfacewriter']
])
def Execute(self):
if not self.Mesh:
self.PrintError('Error: No input mesh.')
return
if not self.CellEntityIdsArrayName:
self.PrintError('Error: No input CellEntityIdsArrayName.')
return
if not self.vmtkRenderer:
self.vmtkRenderer = vmtkrenderer.vmtkRenderer()
self.vmtkRenderer.Initialize()
self.OwnRenderer = 1
self.vmtkRenderer.RegisterScript(self)
threshold = vtk.vtkThreshold()
threshold.SetInput(self.Mesh)
threshold.ThresholdByUpper(self.VolumeCellEntityId+0.5)
threshold.SetInputArrayToProcess(0,0,0,1,self.CellEntityIdsArrayName)
threshold.Update()
boundaryMesh = threshold.GetOutput()
boundaryMesh.GetCellData().SetActiveScalars(self.CellEntityIdsArrayName)
boundaryMapper = vtk.vtkDataSetMapper()
boundaryMapper.SetInput(boundaryMesh)
boundaryMapper.ScalarVisibilityOn()
boundaryMapper.SetScalarModeToUseCellData()
boundaryMapper.SetScalarRange(boundaryMesh.GetCellData().GetScalars().GetRange())
boundaryActor = vtk.vtkActor()
boundaryActor.SetMapper(boundaryMapper)
self.vmtkRenderer.Renderer.AddActor(boundaryActor)
wallThreshold = vtk.vtkThreshold()
wallThreshold.SetInput(boundaryMesh)
wallThreshold.ThresholdByLower(self.WallCellEntityId+0.5)
wallThreshold.SetInputArrayToProcess(0,0,0,1,self.CellEntityIdsArrayName)
wallThreshold.Update()
wallMeshToSurface = vtk.vtkGeometryFilter()
wallMeshToSurface.SetInput(wallThreshold.GetOutput())
wallMeshToSurface.Update()
boundaryReferenceSystems = vtkvmtk.vtkvmtkBoundaryReferenceSystems()
boundaryReferenceSystems.SetInput(wallMeshToSurface.GetOutput())
boundaryReferenceSystems.SetBoundaryRadiusArrayName("BoundaryRadius")
boundaryReferenceSystems.SetBoundaryNormalsArrayName("BoundaryNormals")
boundaryReferenceSystems.SetPoint1ArrayName("Point1Array")
boundaryReferenceSystems.SetPoint2ArrayName("Point2Array")
boundaryReferenceSystems.Update()
self.ReferenceSystems = boundaryReferenceSystems.GetOutput()
cellEntityIdsArray = vtk.vtkIntArray()
cellEntityIdsArray.SetName(self.CellEntityIdsArrayName)
cellEntityIdsArray.SetNumberOfTuples(self.ReferenceSystems.GetNumberOfPoints())
self.ReferenceSystems.GetPointData().AddArray(cellEntityIdsArray)
wallMeshToSurface = vtk.vtkGeometryFilter()
wallMeshToSurface.SetInput(boundaryMesh)
wallMeshToSurface.Update()
boundarySurface = wallMeshToSurface.GetOutput()
pointCells = vtk.vtkIdList()
surfaceCellEntityIdsArray = vtk.vtkIntArray()
surfaceCellEntityIdsArray.DeepCopy(boundarySurface.GetCellData().GetArray(self.CellEntityIdsArrayName))
self.PrintLog('')
for i in range(self.ReferenceSystems.GetNumberOfPoints()):
pointId = boundarySurface.FindPoint(self.ReferenceSystems.GetPoint(i))
boundarySurface.GetPointCells(pointId,pointCells)
cellId = pointCells.GetId(0)
cellEntityId = surfaceCellEntityIdsArray.GetValue(cellId)
cellEntityIdsArray.SetValue(i,cellEntityId)
origin = self.ReferenceSystems.GetPoint(i)
normal = self.ReferenceSystems.GetPointData().GetArray("BoundaryNormals").GetTuple3(i)
radius = self.ReferenceSystems.GetPointData().GetArray("BoundaryRadius").GetTuple1(i)
logLine = 'CellEntityId: %d\n' % cellEntityId
logLine += ' Origin: %f, %f, %f\n' % (origin[0],origin[1],origin[2])
logLine += ' Normal: %f, %f, %f\n' % (normal[0],normal[1],normal[2])
logLine += ' Radius: %f\n' % radius
self.PrintLog(logLine)
self.ReferenceSystems.GetPointData().SetActiveScalars(self.CellEntityIdsArrayName)
labelsMapper = vtk.vtkLabeledDataMapper();
labelsMapper.SetInput(self.ReferenceSystems)
labelsMapper.SetLabelModeToLabelScalars()
labelsActor = vtk.vtkActor2D()
labelsActor.SetMapper(labelsMapper)
self.vmtkRenderer.Renderer.AddActor(labelsActor)
self.vmtkRenderer.Render()
if self.OwnRenderer:
self.vmtkRenderer.Deallocate()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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