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#!/usr/bin/env python
from vtkmodules.vtkCommonColor import vtkNamedColors
from vtkmodules.vtkFiltersGeneral import vtkEdgePoints
from vtkmodules.vtkIOImage import vtkVolume16Reader
from vtkmodules.vtkRenderingCore import (
vtkActor,
vtkDataSetMapper,
vtkRenderWindow,
vtkRenderWindowInteractor,
vtkRenderer,
)
import vtkmodules.vtkInteractionStyle
import vtkmodules.vtkRenderingFreeType
import vtkmodules.vtkRenderingOpenGL2
from vtkmodules.util.misc import vtkGetDataRoot
VTK_DATA_ROOT = vtkGetDataRoot()
def GetRGBColor(colorName):
'''
Return the red, green and blue components for a
color as doubles.
'''
rgb = [0.0, 0.0, 0.0] # black
vtkNamedColors().GetColorRGB(colorName, rgb)
return rgb
# create pipeline
# reader reads slices
v16 = vtkVolume16Reader()
v16.SetDataDimensions(64, 64)
v16.SetDataByteOrderToLittleEndian()
v16.SetFilePrefix(VTK_DATA_ROOT + "/Data/headsq/quarter")
v16.SetDataSpacing(3.2, 3.2, 1.5)
v16.SetImageRange(30, 50)
v16.SetDataMask(0x7fff)
# create points on edges
edgePoints = vtkEdgePoints()
edgePoints.SetInputConnection(v16.GetOutputPort())
edgePoints.SetValue(1150)
#
mapper = vtkDataSetMapper()
mapper.SetInputConnection(edgePoints.GetOutputPort())
mapper.ScalarVisibilityOff()
head = vtkActor()
head.SetMapper(mapper)
head.GetProperty().SetColor(GetRGBColor('raw_sienna'))
# Create the RenderWindow, Renderer and Interactor
#
ren1 = vtkRenderer()
renWin = vtkRenderWindow()
renWin.AddRenderer(ren1)
iren = vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# Add the actors to the renderer, set the background and size
#
ren1.AddActor(head)
ren1.SetBackground(1, 1, 1)
renWin.SetSize(300, 300)
ren1.SetBackground(GetRGBColor('slate_grey'))
ren1.GetActiveCamera().SetPosition(99.8847, 537.86, 22.4716)
ren1.GetActiveCamera().SetFocalPoint(99.8847, 109.81, 15)
ren1.GetActiveCamera().SetViewAngle(20)
ren1.GetActiveCamera().SetViewUp(0, -1, 0)
ren1.ResetCameraClippingRange()
# render the image
#
renWin.Render()
#iren.Start()
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