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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkcenterlineviewer.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
vmtkcenterlineviewer = 'vmtkCenterlineViewer'
class vmtkCenterlineViewer(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Centerlines = None
self.PointDataArrayName = ''
self.CellDataArrayName = ''
self.Display = 1
self.Legend = 1
self.ColorMap = 'cooltowarm'
self.NumberOfColors = 256
self.vmtkRenderer = None
self.OwnRenderer = 0
self.SetScriptName('vmtkcenterlineviewer')
self.SetScriptDoc('')
self.SetInputMembers([
['Centerlines','i','vtkPolyData',1,'','the input surface','vmtksurfacereader'],
['PointDataArrayName','pointarray','str',1,''],
['CellDataArrayName','cellarray','str',1,''],
['Legend','legend','bool',1,''],
['ColorMap','colormap','str',1,'["rainbow","blackbody","cooltowarm","grayscale"]','choose the color map'],
['NumberOfColors','numberofcolors','int',1,'','number of colors in the color map'],
['vmtkRenderer','renderer','vmtkRenderer',1,'','external renderer']])
self.SetOutputMembers([
['Centerlines','o','vtkPolyData',1,'','the output centerlines','vmtksurfacewriter']])
def Execute(self):
if not self.Centerlines:
self.PrintError('Error: No input centerlines.')
return
if not self.vmtkRenderer:
self.vmtkRenderer = vmtkrenderer.vmtkRenderer()
self.vmtkRenderer.Initialize()
self.OwnRenderer = 1
self.vmtkRenderer.RegisterScript(self)
if self.CellDataArrayName:
cellCenters = vtk.vtkCellCenters()
cellCenters.SetInputData(self.Centerlines)
cellCenters.Update()
cellCenters.GetOutput().GetPointData().SetActiveScalars(self.CellDataArrayName)
labelsMapper = vtk.vtkLabeledDataMapper();
labelsMapper.SetInputConnection(cellCenters.GetOutputPort())
labelsMapper.SetLabelModeToLabelScalars()
labelsActor = vtk.vtkActor2D()
labelsActor.SetMapper(labelsMapper)
self.vmtkRenderer.Renderer.AddActor(labelsActor)
centerlineMapper = vtk.vtkPolyDataMapper()
centerlineMapper.SetInputData(self.Centerlines)
if self.CellDataArrayName and not self.PointDataArrayName:
centerlineMapper.ScalarVisibilityOn()
centerlineMapper.SetScalarModeToUseCellData()
self.Centerlines.GetCellData().SetActiveScalars(self.CellDataArrayName)
centerlineMapper.SetScalarRange(self.Centerlines.GetCellData().GetScalars().GetRange(0))
elif self.PointDataArrayName:
centerlineMapper.ScalarVisibilityOn()
centerlineMapper.SetScalarModeToUsePointData()
self.Centerlines.GetPointData().SetActiveScalars(self.PointDataArrayName)
centerlineMapper.SetScalarRange(self.Centerlines.GetPointData().GetScalars().GetRange(0))
else:
centerlineMapper.ScalarVisibilityOff()
if self.ColorMap == 'grayscale':
lut = centerlineMapper.GetLookupTable()
lut.SetNumberOfTableValues(self.NumberOfColors)
lut.SetValueRange(0.0,1.0)
lut.SetSaturationRange(0.0,0.0)
lut.Build()
centerlineMapper.SetLookupTable(lut)
if self.ColorMap == 'rainbow':
lut = centerlineMapper.GetLookupTable()
lut.SetHueRange(0.666667,0.0)
lut.SetSaturationRange(0.75,0.75)
lut.SetValueRange(1.0,1.0)
lut.SetAlphaRange(1.0,1.0)
lut.SetNumberOfColors(self.NumberOfColors)
lut.Build()
centerlineMapper.SetLookupTable(lut)
if self.ColorMap == 'blackbody':
lut = centerlineMapper.GetLookupTable()
lut.SetNumberOfTableValues(self.NumberOfColors)
colorTransferFunction = vtk.vtkColorTransferFunction()
colorTransferFunction.SetColorSpaceToRGB()
colorTransferFunction.AddRGBPoint(0,0.0,0.0,0.0)
colorTransferFunction.AddRGBPoint(0.4,0.901961,0.0,0.0)
colorTransferFunction.AddRGBPoint(0.8,0.901961,0.901961,0.0)
colorTransferFunction.AddRGBPoint(1.0,1.0,1.0,1.0)
for ii,ss in enumerate([float(xx)/float(self.NumberOfColors) for xx in range(self.NumberOfColors)]):
cc = colorTransferFunction.GetColor(ss)
lut.SetTableValue(ii,cc[0],cc[1],cc[2],1.0)
lut.Build()
centerlineMapper.SetLookupTable(lut)
if self.ColorMap == 'cooltowarm':
lut = centerlineMapper.GetLookupTable()
lut.SetNumberOfTableValues(self.NumberOfColors)
colorTransferFunction = vtk.vtkColorTransferFunction()
colorTransferFunction.SetColorSpaceToDiverging()
colorTransferFunction.AddRGBPoint(0,0.231373,0.298039,0.752941)
colorTransferFunction.AddRGBPoint(0.5,0.865003,0.865003,0.865003)
colorTransferFunction.AddRGBPoint(1.0,0.705882,0.0156863,0.14902)
for ii,ss in enumerate([float(xx)/float(self.NumberOfColors) for xx in range(self.NumberOfColors)]):
cc = colorTransferFunction.GetColor(ss)
lut.SetTableValue(ii,cc[0],cc[1],cc[2],1.0)
lut.Build()
centerlineMapper.SetLookupTable(lut)
centerlineActor = vtk.vtkActor()
centerlineActor.SetMapper(centerlineMapper)
self.vmtkRenderer.Renderer.AddActor(centerlineActor)
scalarBarActor = None
if self.Legend and centerlineActor and self.PointDataArrayName:
scalarBarActor = vtk.vtkScalarBarActor()
scalarBarActor.SetLookupTable(centerlineActor.GetMapper().GetLookupTable())
scalarBarActor.GetLabelTextProperty().ItalicOff()
scalarBarActor.GetLabelTextProperty().BoldOff()
scalarBarActor.GetLabelTextProperty().ShadowOff()
scalarBarActor.SetLabelFormat('%.2f')
scalarBarActor.SetTitle(self.PointDataArrayName)
self.vmtkRenderer.Renderer.AddActor(scalarBarActor)
if self.Display:
self.vmtkRenderer.Render()
if self.OwnRenderer:
self.vmtkRenderer.Deallocate()
# if self.CellDataArrayName:
# self.vmtkRenderer.Renderer.RemoveActor(labelsActor)
#
# if self.Legend and centerlineActor:
# self.vmtkRenderer.Renderer.RemoveActor(scalarBarActor)
#
# self.vmtkRenderer.Renderer.RemoveActor(centerlineActor)
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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