def create_hyper_stream_line(self,x,y,z):
streamline = vtk.vtkHyperStreamline()
streamline.SetInputConnection(self.dti_reader.GetOutputPort())
streamline.SetStartPosition(x,y,z)
streamline.SetIntegrationStepLength(0.05)
streamline.SetMaximumPropagationDistance(1000)
#streamline.SetIntegrationEigenvectorToMajor()
streamline.SetRadius(0.1)
streamline.LogScalingOn()
streamline.SetIntegrationDirectionToIntegrateBothDirections()
streamline.TubeWrappingOff()
streamlineMapper = vtk.vtkPolyDataMapper()
streamlineMapper.SetInputConnection(streamline.GetOutputPort())
streamlineMapper.SetLookupTable(self.arrowColor)
streamline_actor = vtk.vtkActor()
streamline_actor.SetMapper(streamlineMapper)
streamline_actor.VisibilityOn()
return streamline_actor
def __init__(self, module_manager):
SimpleVTKClassModuleBase.__init__(
self, module_manager,
vtk.vtkHyperStreamline(), 'Processing.',
('vtkDataSet',), ('vtkPolyData',),
replaceDoc=True,
inputFunctions=None, outputFunctions=None)
def create_hyper_stream_line(self, x, y, z):
streamline = vtk.vtkHyperStreamline()
streamline.SetInputConnection(self.dti_reader.GetOutputPort())
streamline.SetStartPosition(x, y, z)
streamline.SetIntegrationStepLength(0.05)
streamline.SetMaximumPropagationDistance(1000)
#streamline.SetIntegrationEigenvectorToMajor()
streamline.SetRadius(0.1)
streamline.LogScalingOn()
streamline.SetIntegrationDirectionToIntegrateBothDirections()
streamline.TubeWrappingOff()
streamlineMapper = vtk.vtkPolyDataMapper()
streamlineMapper.SetInputConnection(streamline.GetOutputPort())
streamlineMapper.SetLookupTable(self.arrowColor)
streamline_actor = vtk.vtkActor()
streamline_actor.SetMapper(streamlineMapper)
streamline_actor.VisibilityOn()
return streamline_actor
input = rSP.GetOutput()
# cleanup
#
try:
os.remove("wSP.vtk")
except OSError:
pass
except IOError:
print("Unable to test the writer/reader.")
input = ptLoad.GetOutput()
# Generate hyperstreamlines
s1 = vtk.vtkHyperStreamline()
s1.SetInputData(input)
s1.SetStartPosition(9, 9, -9)
s1.IntegrateMinorEigenvector()
s1.SetMaximumPropagationDistance(18.0)
s1.SetIntegrationStepLength(0.1)
s1.SetStepLength(0.01)
s1.SetRadius(0.25)
s1.SetNumberOfSides(18)
s1.SetIntegrationDirection(VTK_INTEGRATE_BOTH_DIRECTIONS)
s1.Update()
# Map hyperstreamlines
lut = vtk.vtkLogLookupTable()
lut.SetHueRange(.6667, 0.0)
input = rSP.GetOutput()
# cleanup
#
try:
os.remove("wSP.vtk")
except OSError:
pass
except IOError:
print "Unable to test the writer/reader."
input = ptLoad.GetOutput()
# Generate hyperstreamlines
s1 = vtk.vtkHyperStreamline()
s1.SetInputData(input)
s1.SetStartPosition(9, 9, -9)
s1.IntegrateMinorEigenvector()
s1.SetMaximumPropagationDistance(18.0)
s1.SetIntegrationStepLength(0.1)
s1.SetStepLength(0.01)
s1.SetRadius(0.25)
s1.SetNumberOfSides(18)
s1.SetIntegrationDirection(VTK_INTEGRATE_BOTH_DIRECTIONS)
s1.Update()
# Map hyperstreamlines
lut = vtk.vtkLogLookupTable()
lut.SetHueRange(.6667, 0.0)
def main():
colors = vtk.vtkNamedColors()
# Create the RenderWindow, Renderer and Interactor.
#
ren1 = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren1)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# Generate the tensors.
ptLoad = vtk.vtkPointLoad()
ptLoad.SetLoadValue(100.0)
ptLoad.SetSampleDimensions(20, 20, 20)
ptLoad.ComputeEffectiveStressOn()
ptLoad.SetModelBounds(-10, 10, -10, 10, -10, 10)
ptLoad.Update()
# Generate the hyperstreamlines.
s1 = vtk.vtkHyperStreamline()
s1.SetInputData(ptLoad.GetOutput())
s1.SetStartPosition(9, 9, -9)
s1.IntegrateMinorEigenvector()
s1.SetMaximumPropagationDistance(18.0)
s1.SetIntegrationStepLength(0.1)
s1.SetStepLength(0.01)
s1.SetRadius(0.25)
s1.SetNumberOfSides(18)
s1.SetIntegrationDirectionToIntegrateBothDirections()
s1.Update()
# Map the hyperstreamlines.
lut = vtk.vtkLogLookupTable()
lut.SetHueRange(.6667, 0.0)
s1Mapper = vtk.vtkPolyDataMapper()
s1Mapper.SetInputConnection(s1.GetOutputPort())
s1Mapper.SetLookupTable(lut)
s1Mapper.SetScalarRange(ptLoad.GetOutput().GetScalarRange())
s1Actor = vtk.vtkActor()
s1Actor.SetMapper(s1Mapper)
s2 = vtk.vtkHyperStreamline()
s2.SetInputData(ptLoad.GetOutput())
s2.SetStartPosition(-9, -9, -9)
s2.IntegrateMinorEigenvector()
s2.SetMaximumPropagationDistance(18.0)
s2.SetIntegrationStepLength(0.1)
s2.SetStepLength(0.01)
s2.SetRadius(0.25)
s2.SetNumberOfSides(18)
s2.SetIntegrationDirectionToIntegrateBothDirections()
s2.Update()
s2Mapper = vtk.vtkPolyDataMapper()
s2Mapper.SetInputConnection(s2.GetOutputPort())
s2Mapper.SetLookupTable(lut)
s2Mapper.SetScalarRange(ptLoad.GetOutput().GetScalarRange())
s2Actor = vtk.vtkActor()
s2Actor.SetMapper(s2Mapper)
s3 = vtk.vtkHyperStreamline()
s3.SetInputData(ptLoad.GetOutput())
s3.SetStartPosition(9, -9, -9)
s3.IntegrateMinorEigenvector()
s3.SetMaximumPropagationDistance(18.0)
s3.SetIntegrationStepLength(0.1)
s3.SetStepLength(0.01)
s3.SetRadius(0.25)
s3.SetNumberOfSides(18)
s3.SetIntegrationDirectionToIntegrateBothDirections()
s3.Update()
s3Mapper = vtk.vtkPolyDataMapper()
s3Mapper.SetInputConnection(s3.GetOutputPort())
s3Mapper.SetLookupTable(lut)
s3Mapper.SetScalarRange(ptLoad.GetOutput().GetScalarRange())
s3Actor = vtk.vtkActor()
s3Actor.SetMapper(s3Mapper)
s4 = vtk.vtkHyperStreamline()
s4.SetInputData(ptLoad.GetOutput())
s4.SetStartPosition(-9, 9, -9)
s4.IntegrateMinorEigenvector()
s4.SetMaximumPropagationDistance(18.0)
s4.SetIntegrationStepLength(0.1)
s4.SetStepLength(0.01)
s4.SetRadius(0.25)
s4.SetNumberOfSides(18)
s4.SetIntegrationDirectionToIntegrateBothDirections()
s4.Update()
s4Mapper = vtk.vtkPolyDataMapper()
s4Mapper.SetInputConnection(s4.GetOutputPort())
s4Mapper.SetLookupTable(lut)
s4Mapper.SetScalarRange(ptLoad.GetOutput().GetScalarRange())
s4Actor = vtk.vtkActor()
s4Actor.SetMapper(s4Mapper)
# A plane for context.
#
g = vtk.vtkImageDataGeometryFilter()
g.SetInputData(ptLoad.GetOutput())
g.SetExtent(0, 100, 0, 100, 0, 0)
g.Update() # for scalar range
gm = vtk.vtkPolyDataMapper()
gm.SetInputConnection(g.GetOutputPort())
gm.SetScalarRange(g.GetOutput().GetScalarRange())
ga = vtk.vtkActor()
ga.SetMapper(gm)
# Create an outline around the data.
#
outline = vtk.vtkOutlineFilter()
outline.SetInputData(ptLoad.GetOutput())
outlineMapper = vtk.vtkPolyDataMapper()
outlineMapper.SetInputConnection(outline.GetOutputPort())
outlineActor = vtk.vtkActor()
outlineActor.SetMapper(outlineMapper)
outlineActor.GetProperty().SetColor(colors.GetColor3d("Black"))
# Create a cone indicating the application of the load.
#
coneSrc = vtk.vtkConeSource()
coneSrc.SetRadius(.5)
coneSrc.SetHeight(2)
coneMap = vtk.vtkPolyDataMapper()
coneMap.SetInputConnection(coneSrc.GetOutputPort())
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMap)
coneActor.SetPosition(0, 0, 11)
coneActor.RotateY(90)
coneActor.GetProperty().SetColor(colors.GetColor3d("Tomato"))
camera = vtk.vtkCamera()
camera.SetFocalPoint(0.113766, -1.13665, -1.01919)
camera.SetPosition(-29.4886, -63.1488, 26.5807)
camera.SetViewAngle(24.4617)
camera.SetViewUp(0.17138, 0.331163, 0.927879)
camera.SetClippingRange(1, 100)
ren1.AddActor(s1Actor)
ren1.AddActor(s2Actor)
ren1.AddActor(s3Actor)
ren1.AddActor(s4Actor)
ren1.AddActor(outlineActor)
ren1.AddActor(coneActor)
ren1.AddActor(ga)
ren1.SetBackground(colors.GetColor3d("SlateGray"))
ren1.SetActiveCamera(camera)
renWin.SetSize(640, 480)
renWin.Render()
iren.Start()
scalarBar.SetLookupTable(cut2Mapper.GetLookupTable())
scalarBar.SetTitle("Effective Stress")
scalarBar.SetNumberOfLabels(3)
# Create renderer
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
ren.SetBackground(1.0, 1.0, 1.0)
ren.AddActor(actor2)
ren.AddActor2D(scalarBar)
#Integrate along the line
for k in range(-10, 10, 2):
for i in range(-5, 5):
streamer1 = vtk.vtkHyperStreamline()
streamer1.SetInputData(pd)
streamer1.SetStartPosition(centerx + i, centery + k, centerz)
streamer1.IntegrateMajorEigenvector()
streamer1.SetMaximumPropagationDistance(1000.0)
streamer1.SetIntegrationStepLength(.01)
streamer1.SetStepLength(.01)
streamer1.SetRadius(1)
streamer1.SetNumberOfSides(18)
streamer1.LogScalingOff()
streamer1.SetIntegrationDirection(VTK_INTEGRATE_BOTH_DIRECTIONS)
mapStreamTube1 = vtk.vtkPolyDataMapper()
mapStreamTube1.SetInputConnection(streamer1.GetOutputPort())
mapStreamTube1.SetLookupTable(colormap)
streamTubeActor1 = vtk.vtkActor()
streamTubeActor1.SetMapper(mapStreamTube1)