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#!/usr/bin/env python
from vtkmodules.vtkCommonDataModel import (
vtkMultiBlockDataSet,
vtkQuadric,
)
from vtkmodules.vtkFiltersCore import vtkExtractCells
from vtkmodules.vtkFiltersModeling import vtkOutlineFilter
from vtkmodules.vtkFiltersSources import vtkSphereSource
from vtkmodules.vtkImagingHybrid import vtkSampleFunction
from vtkmodules.vtkRenderingCore import (
vtkActor,
vtkPolyDataMapper,
vtkRenderWindow,
vtkRenderWindowInteractor,
vtkRenderer,
)
import vtkmodules.vtkInteractionStyle
import vtkmodules.vtkRenderingFreeType
import vtkmodules.vtkRenderingOpenGL2
# Test vtkOutlineFilter with composite dataset input; test vtkCompositeOutlineFilter.
# Control test size
res = 50
#
# Quadric definition
quadricL = vtkQuadric()
quadricL.SetCoefficients([.5,1,.2,0,.1,0,0,.2,0,0])
sampleL = vtkSampleFunction()
sampleL.SetModelBounds(-1,0, -1,1, -1,1)
sampleL.SetSampleDimensions(int(res/2),res,res)
sampleL.SetImplicitFunction(quadricL)
sampleL.ComputeNormalsOn()
sampleL.Update()
#
# Quadric definition
quadricR = vtkQuadric()
quadricR.SetCoefficients([.5,1,.2,0,.1,0,0,.2,0,0])
sampleR = vtkSampleFunction()
sampleR.SetModelBounds(0,1, -1,1, -1,1)
sampleR.SetSampleDimensions(int(res/2),res,res)
sampleR.SetImplicitFunction(quadricR)
sampleR.ComputeNormalsOn()
sampleR.Update()
#
# Extract voxel cells
extractL = vtkExtractCells()
extractL.SetInputConnection(sampleL.GetOutputPort())
extractL.AddCellRange(0,sampleL.GetOutput().GetNumberOfCells())
extractL.Update()
#
# Extract voxel cells
extractR = vtkExtractCells()
extractR.SetInputConnection(sampleR.GetOutputPort())
extractR.AddCellRange(0,sampleR.GetOutput().GetNumberOfCells())
extractR.Update()
# Create a composite dataset. Throw in an extra polydata.
sphere = vtkSphereSource()
sphere.SetCenter(1,0,0)
sphere.Update()
composite = vtkMultiBlockDataSet()
composite.SetBlock(0,extractL.GetOutput())
composite.SetBlock(1,extractR.GetOutput())
composite.SetBlock(2,sphere.GetOutput())
# Create an outline around everything (composite dataset)
outlineF = vtkOutlineFilter()
outlineF.SetInputData(composite)
outlineF.SetCompositeStyleToRoot()
outlineF.GenerateFacesOn()
outlineM = vtkPolyDataMapper()
outlineM.SetInputConnection(outlineF.GetOutputPort())
outline = vtkActor()
outline.SetMapper(outlineM)
outline.GetProperty().SetColor(1,0,0)
# Create an outline around composite pieces
coutlineF = vtkOutlineFilter()
coutlineF.SetInputData(composite)
coutlineF.SetCompositeStyleToLeafs()
coutlineM = vtkPolyDataMapper()
coutlineM.SetInputConnection(coutlineF.GetOutputPort())
coutline = vtkActor()
coutline.SetMapper(coutlineM)
coutline.GetProperty().SetColor(0,0,0)
# Create an outline around root and leafs
outlineF2 = vtkOutlineFilter()
outlineF2.SetInputData(composite)
outlineF2.SetCompositeStyleToRootAndLeafs()
outlineM2 = vtkPolyDataMapper()
outlineM2.SetInputConnection(outlineF2.GetOutputPort())
outline2 = vtkActor()
outline2.SetMapper(outlineM2)
outline2.GetProperty().SetColor(0,0,1)
# Create an outline around root and leafs
outlineF3 = vtkOutlineFilter()
outlineF3.SetInputData(composite)
outlineF3.SetCompositeStyleToSpecifiedIndex()
outlineF3.AddIndex(3)
outlineF3.GenerateFacesOn()
outlineM3 = vtkPolyDataMapper()
outlineM3.SetInputConnection(outlineF3.GetOutputPort())
outline3 = vtkActor()
outline3.SetMapper(outlineM3)
outline3.GetProperty().SetColor(0,1,0)
# Define graphics objects
renWin = vtkRenderWindow()
renWin.SetSize(600,150)
renWin.SetMultiSamples(0)
ren1 = vtkRenderer()
ren1.SetBackground(1,1,1)
ren1.SetViewport(0,0,0.25,1)
cam1 = ren1.GetActiveCamera()
ren2 = vtkRenderer()
ren2.SetBackground(1,1,1)
ren2.SetViewport(0.25,0,0.5,1)
ren2.SetActiveCamera(cam1)
ren3 = vtkRenderer()
ren3.SetBackground(1,1,1)
ren3.SetViewport(0.5,0,0.75,1)
ren3.SetActiveCamera(cam1)
ren4 = vtkRenderer()
ren4.SetBackground(1,1,1)
ren4.SetViewport(0.75,0,1,1)
ren4.SetActiveCamera(cam1)
renWin.AddRenderer(ren1)
renWin.AddRenderer(ren2)
renWin.AddRenderer(ren3)
renWin.AddRenderer(ren4)
iren = vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
ren1.AddActor(outline)
ren2.AddActor(coutline)
ren3.AddActor(outline2)
ren4.AddActor(outline3)
renWin.Render()
ren1.ResetCamera()
renWin.Render()
iren.Initialize()
iren.Start()
# --- end of script --
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