def __init__(self):
super(ImageSliceVisualizer, self).__init__()
# Setup pipeline
self.image_mapper = vtk.vtkImageSliceMapper()
self.image_mapper.SliceAtFocalPointOn()
self.image_mapper.SliceFacesCameraOn()
self.image_property = vtk.vtkImageProperty()
self.image_property.SetInterpolationTypeToNearest()
self.image_slice = vtk.vtkImageSlice()
self.image_slice.SetMapper(self.image_mapper)
self.image_slice.SetProperty(self.image_property)
self.renderer = vtk.vtkRenderer()
self.renderer.AddActor2D(self.image_slice)
self.interactor = vtk.vtkRenderWindowInteractor()
self.interactor_style = vtk.vtkInteractorStyleImage()
self.interactor_style.SetInteractionModeToImageSlicing()
self.interactor_style.KeyPressActivationOn()
self.interactor.SetInteractorStyle(self.interactor_style)
# Add ability to switch between active layers
self.interactor.AddObserver('KeyPressEvent',
self._interactor_call_back, -1.0)
def __init__(self):
"""Init."""
# Interactor responsible for moving the camera.
self.trackball_camera = vtk.vtkInteractorStyleTrackballCamera()
# Interactor responsible for moving/rotating a selected actor.
self.trackball_actor = vtk.vtkInteractorStyleTrackballActor()
# Interactor responsible for panning/zooming the camera.
self.image = vtk.vtkInteractorStyleImage()
# The picker allows us to know which object/actor is under the mouse.
self.picker = vtk.vtkPropPicker()
self.chosen_element = None
self.event = Event()
self.event2id = {} # To map an event's name to an ID.
# Define some interaction states
self.left_button_down = False
self.right_button_down = False
self.middle_button_down = False
self.active_props = set()
self.history = deque(maxlen=10) # Events history.
self.selected_props = {"left_button": set(),
"right_button": set(),
"middle_button": set()}
def show_image(image, actors=[]):
viewer = vtk.vtkImageViewer2()
viewer.SetInputData(image)
istyle = vtk.vtkInteractorStyleImage()
iren = vtk.vtkRenderWindowInteractor()
viewer.SetupInteractor(iren)
iren.SetInteractorStyle(istyle)
min_slice = viewer.GetSliceMin()
max_slice = viewer.GetSliceMax()
actions = {'slice': min_slice}
def mouse_wheel_forward_event(caller, event):
if actions['slice'] > min_slice:
actions['slice'] -= 1
viewer.SetSlice(actions['slice'])
viewer.Render()
def mouse_wheel_backward_event(caller, event):
if actions['slice'] < max_slice:
actions['slice'] += 1
viewer.SetSlice(actions['slice'])
viewer.Render()
istyle.AddObserver('MouseWheelForwardEvent', mouse_wheel_forward_event)
istyle.AddObserver('MouseWheelBackwardEvent', mouse_wheel_backward_event)
for actor in actors:
viewer.GetRenderer().AddActor(actor)
viewer.Render()
iren.Initialize()
iren.Start()
def main():
filename = get_program_parameters()
reader = vtk.vtkMetaImageReader()
reader.SetFileName(filename)
reader.Update()
# Visualize
actor = vtk.vtkImageActor()
actor.GetMapper().SetInputConnection(reader.GetOutputPort())
renderer = vtk.vtkRenderer()
renderer.AddActor(actor)
renderer.ResetCamera()
render_window = vtk.vtkRenderWindow()
render_window.AddRenderer(renderer)
render_window_interactor = vtk.vtkRenderWindowInteractor()
style = vtk.vtkInteractorStyleImage()
render_window_interactor.SetInteractorStyle(style)
render_window_interactor.SetRenderWindow(render_window)
render_window.Render()
render_window_interactor.Initialize()
render_window_interactor.Start()
def Start(self):
istyle = vtk.vtkInteractorStyleImage()
istyle.AddObserver("LeftButtonPressEvent", self.SelectRegion)
iren = Globals.renWin.GetInteractor()
iren.SetInteractorStyle(istyle)
self.UpdateObservers()
def _createViewFrames(self):
import modules.Insight.resources.python.register2DViewFrames
reload(modules.Insight.resources.python.register2DViewFrames)
viewerFrame = modules.Insight.resources.python.register2DViewFrames.\
viewerFrame
self.viewerFrame = module_utils.instantiate_module_view_frame(
self, self._module_manager, viewerFrame)
self._threedRenderer = vtk.vtkRenderer()
self._threedRenderer.SetBackground(0.5, 0.5, 0.5)
self.viewerFrame.threedRWI.GetRenderWindow().AddRenderer(
self._threedRenderer)
istyle = vtk.vtkInteractorStyleImage()
self.viewerFrame.threedRWI.SetInteractorStyle(istyle)
# controlFrame creation
controlFrame = modules.Insight.resources.python.\
register2DViewFrames.controlFrame
self.controlFrame = module_utils.instantiate_module_view_frame(
self, self._module_manager, controlFrame)
# display
self.viewerFrame.Show(True)
self.controlFrame.Show(True)
def __init__(self):
QMainWindow.__init__(self)
self.setupUi(self)
self.setWindowTitle("Medical Image Viewer")
#Mainframe Variables
self.map = None
self.reader = None
self.cam = None
self.center_cam = None
self.size = None
self.spinBox.setEnabled(False)
self.res_Slider.setMaximum(200)
self.actionOpen_File.triggered.connect(self.open_File)
self.res_Slider.valueChanged.connect(self.valuechange)
self.ax_Button.clicked.connect(self.changeView)
self.cor_Button.clicked.connect(self.changeView)
self.sag_Button.clicked.connect(self.changeView)
#VTK Viewer
self.vtk_Viewer = QVTKRenderWindowInteractor(self.vtk_Frame)
self.vtk_Viewer.SetSize(800, 800)
self.ren = vtk.vtkRenderer()
self.vtk_Viewer.GetRenderWindow().AddRenderer(self.ren)
self.iren = self.vtk_Viewer.GetRenderWindow().GetInteractor()
style = vtk.vtkInteractorStyleImage()
style.SetInteractionModeToImageSlicing()
self.iren.SetInteractorStyle(style)
def Start(self):
istyle = vtk.vtkInteractorStyleImage()
istyle.AddObserver("LeftButtonPressEvent",self.SelectRegion)
iren = Globals.renWin.GetInteractor()
iren.SetInteractorStyle(istyle)
self.UpdateObservers()
def _createViewFrames(self):
import modules.Insight.resources.python.register2DViewFrames
reload(modules.Insight.resources.python.register2DViewFrames)
viewerFrame = modules.Insight.resources.python.register2DViewFrames.\
viewerFrame
self.viewerFrame = module_utils.instantiate_module_view_frame(
self, self._module_manager, viewerFrame)
self._threedRenderer = vtk.vtkRenderer()
self._threedRenderer.SetBackground(0.5, 0.5, 0.5)
self.viewerFrame.threedRWI.GetRenderWindow().AddRenderer(
self._threedRenderer)
istyle = vtk.vtkInteractorStyleImage()
self.viewerFrame.threedRWI.SetInteractorStyle(istyle)
# controlFrame creation
controlFrame = modules.Insight.resources.python.\
register2DViewFrames.controlFrame
self.controlFrame = module_utils.instantiate_module_view_frame(
self, self._module_manager, controlFrame)
# display
self.viewerFrame.Show(True)
self.controlFrame.Show(True)
def main():
rwi = vtk.vtkRenderWindowInteractor()
istyle = vtk.vtkInteractorStyleImage()
rwi.SetInteractorStyle(istyle)
rw = vtk.vtkRenderWindow()
rwi.SetRenderWindow(rw)
ren = vtk.vtkRenderer()
ren.SetBackground(1, 1, 1)
ren.GetActiveCamera().SetParallelProjection(1)
rw.AddRenderer(ren)
rwi.Initialize()
# with the string "what gh", this will generate the following
# error at render:
# RuntimeError: ERROR: In ..\..\..\archive\VTK\Filtering\
# vtkStreamingDemandDrivenPipeline.cxx, line 698
# vtkStreamingDemandDrivenPipeline (017CF3C8): The update
# extent specified in the information for output port 0 on
# algorithm vtkTrivialProducer(017D2FF0) is 0 255
# 0 63 0 0, which is outside the whole extent 0 255 0 31 0 0.
# with the string "what h" (i.e. without the g and its downward
# stroke, there's no error)
ta2 = make_glyph(ren, (0, 0), 'What h')
ren.ResetCamera()
rw.Render()
rwi.Start()
def __set_up_renderer(self, volume, mask_volume):
self.img_ren = vtk.vtkRenderer()
self.img_ren.AddActor(self.actor)
self.img_ren.AddActor(self.mask_actor)
self.img_ren.ResetCamera()
self.img_ren.SetViewport([0.0, 0.0, 1.0, 0.5
]) # slicer renderer position - bottom half
self.vol_ren = vtk.vtkRenderer()
self.vol_ren.AddVolume(volume)
self.vol_ren.AddVolume(mask_volume)
self.vol_ren.ResetCamera()
self.vol_ren.SetViewport(0.0, 0.5, 1.0,
1.0) # volume renderer position
self.vol_ren.SetBackground(0.0, 0.01, 0.05)
self.win = vtk.vtkRenderWindow()
self.win.SetSize(400, 800)
self.win.AddRenderer(self.img_ren)
self.win.AddRenderer(self.vol_ren)
self.iren = vtk.vtkRenderWindowInteractor()
self.iren.SetRenderWindow(self.win)
# set styles for interactor
self.image_style = vtk.vtkInteractorStyleImage()
self.image_style.AddObserver("RightButtonReleaseEvent",
self.switch_axis_call_back)
self.image_style.SetDefaultRenderer(self.img_ren)
self.volume_style = vtk.vtkInteractorStyleSwitch()
self.volume_style.SetDefaultRenderer(self.vol_ren)
self.iren.AddObserver("MouseMoveEvent", self.switch_interactor_style)
def main():
rwi = vtk.vtkRenderWindowInteractor()
istyle = vtk.vtkInteractorStyleImage()
rwi.SetInteractorStyle(istyle)
rw = vtk.vtkRenderWindow()
rwi.SetRenderWindow(rw)
ren = vtk.vtkRenderer()
ren.SetBackground(1, 1, 1)
ren.GetActiveCamera().SetParallelProjection(1)
rw.AddRenderer(ren)
rwi.Initialize()
# with the string "what gh", this will generate the following
# error at render:
# RuntimeError: ERROR: In ..\..\..\archive\VTK\Filtering\
# vtkStreamingDemandDrivenPipeline.cxx, line 698
# vtkStreamingDemandDrivenPipeline (017CF3C8): The update
# extent specified in the information for output port 0 on
# algorithm vtkTrivialProducer(017D2FF0) is 0 255
# 0 63 0 0, which is outside the whole extent 0 255 0 31 0 0.
# with the string "what h" (i.e. without the g and its downward
# stroke, there's no error)
ta2 = make_glyph(ren, (0, 0), "What h")
ren.ResetCamera()
rw.Render()
rwi.Start()
def main(args):
reader = vtk.vtkNrrdReader()
reader.SetFileName(args.img)
reader.Update()
img = reader.GetOutput()
print(img)
actor = vtk.vtkImageActor()
actor.GetMapper().SetInputData(img)
# Setup rendering
renderer = vtk.vtkRenderer()
renderer.AddActor(actor)
renderer.SetBackground(1, 1, 1)
renderer.ResetCamera()
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetInteractorStyle(vtk.vtkInteractorStyleImage())
renderWindowInteractor.AddObserver("KeyPressEvent", Keypress)
renderWindowInteractor.SetRenderWindow(renderWindow)
renderWindowInteractor.Initialize()
renderWindowInteractor.Start()
def SetInteractorStyleToImage(self):
self.interactor = self.renWin.GetInteractor()
self.istyle = vtk.vtkInteractorStyleImage()
self.renWin.GetInteractor().SetInteractorStyle(self.istyle)
self.renderer.GetActiveCamera().ParallelProjectionOn()
# self.istyle.AddObserver("MouseMoveEvent", self.MouseMoveCallback)
self.istyle.AddObserver("LeftButtonPressEvent", self.LeftButtonPressCallback)
self.istyle.AddObserver("LeftButtonReleaseEvent", self.LeftButtonReleaseCallback)
def __init_vtk(self):
text_image_size = vtku.TextZero()
text_image_size.SetPosition(const.TEXT_POS_LEFT_UP)
text_image_size.SetValue("")
text_image_size.SetSymbolicSize(wx.FONTSIZE_SMALL)
self.text_image_size = text_image_size
text_image_location = vtku.TextZero()
# text_image_location.SetVerticalJustificationToBottom()
text_image_location.SetPosition(const.TEXT_POS_LEFT_DOWN)
text_image_location.SetValue("")
text_image_location.bottom_pos = True
text_image_location.SetSymbolicSize(wx.FONTSIZE_SMALL)
self.text_image_location = text_image_location
text_patient = vtku.TextZero()
# text_patient.SetJustificationToRight()
text_patient.SetPosition(const.TEXT_POS_RIGHT_UP)
text_patient.SetValue("")
text_patient.right_pos = True
text_patient.SetSymbolicSize(wx.FONTSIZE_SMALL)
self.text_patient = text_patient
text_acquisition = vtku.TextZero()
# text_acquisition.SetJustificationToRight()
# text_acquisition.SetVerticalJustificationToBottom()
text_acquisition.SetPosition(const.TEXT_POS_RIGHT_DOWN)
text_acquisition.SetValue("")
text_acquisition.right_pos = True
text_acquisition.bottom_pos = True
text_acquisition.SetSymbolicSize(wx.FONTSIZE_SMALL)
self.text_acquisition = text_acquisition
self.renderer = vtk.vtkRenderer()
self.renderer.SetLayer(0)
cam = self.renderer.GetActiveCamera()
self.canvas_renderer = vtk.vtkRenderer()
self.canvas_renderer.SetLayer(1)
self.canvas_renderer.SetActiveCamera(cam)
self.canvas_renderer.SetInteractive(0)
self.canvas_renderer.PreserveDepthBufferOn()
style = vtk.vtkInteractorStyleImage()
self.interactor.GetRenderWindow().SetNumberOfLayers(2)
self.interactor.GetRenderWindow().AddRenderer(self.renderer)
self.interactor.GetRenderWindow().AddRenderer(self.canvas_renderer)
self.interactor.SetInteractorStyle(style)
self.interactor.Render()
self.canvas = CanvasRendererCTX(self, self.renderer,
self.canvas_renderer)
self.canvas.draw_list.append(self.text_image_size)
self.canvas.draw_list.append(self.text_image_location)
self.canvas.draw_list.append(self.text_patient)
self.canvas.draw_list.append(self.text_acquisition)
def Start(self):
self.caller.imageObservers.append(self.UpdateObservers)
istyle = vtk.vtkInteractorStyleImage()
istyle.AddObserver("LeftButtonPressEvent", self.ClickRegion)
iren = Globals.renWin.GetInteractor()
iren.SetInteractorStyle(istyle)
self.dic = {}
self.BuildCellLocator()
def Start(self):
self.caller.imageObservers.append(self.UpdateObservers)
istyle = vtk.vtkInteractorStyleImage()
istyle.AddObserver("LeftButtonPressEvent",self.ClickRegion)
iren = Globals.renWin.GetInteractor()
iren.SetInteractorStyle(istyle)
self.dic = {}
self.BuildCellLocator()
def Start(self):
self.caller.imageObservers.append(self.UpdateObserver)
self.ResetSpline()
istyle = vtk.vtkInteractorStyleImage()
istyle.AddObserver("LeftButtonReleaseEvent", self.AddPoint)
istyle.AddObserver("RightButtonPressEvent", self.AddSpline)
iren = Globals.renWin.GetInteractor()
iren.SetInteractorStyle(istyle)
def Slicer2d(volume, size=(900, 900), bg=(0.6, 0.6, 0.7), zoom=1.3):
"""Create a 2D window with a single balck a nd white
slice of a Volume, wich can be oriented arbitrarily in space.
"""
img = volume.imagedata()
ren1 = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren1)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
im = vtk.vtkImageResliceMapper()
im.SetInputData(img)
im.SliceFacesCameraOn()
im.SliceAtFocalPointOn()
im.BorderOn()
ip = vtk.vtkImageProperty()
ip.SetInterpolationTypeToLinear()
ia = vtk.vtkImageSlice()
ia.SetMapper(im)
ia.SetProperty(ip)
ren1.AddViewProp(ia)
ren1.SetBackground(bg)
renWin.SetSize(size)
iren = vtk.vtkRenderWindowInteractor()
style = vtk.vtkInteractorStyleImage()
style.SetInteractionModeToImage3D()
iren.SetInteractorStyle(style)
renWin.SetInteractor(iren)
renWin.Render()
cam1 = ren1.GetActiveCamera()
cam1.ParallelProjectionOn()
ren1.ResetCameraClippingRange()
cam1.Zoom(zoom)
renWin.Render()
printc("Slicer2D tool", invert=1, c="m")
printc(
"""Press SHIFT+Left mouse to rotate the camera for oblique slicing
SHIFT+Middle mouse to slice perpendicularly through the image
Left mouse and Drag to modify luminosity and contrast
X to Reset to sagittal view
Y to Reset to coronal view
Z to Reset to axial view
R to Reset the Window/Levels
Q to Quit.""",
c="m",
)
iren.Start()
return iren
def showImage(inputFileName):
imgData = None
dataType = None
renderer = vtk.vtkRenderer()
if type(inputFileName) == str:
fileName, fileExtension = os.path.splitext(inputFileName)
fileExtension = fileExtension.lower()
if fileExtension in ['.mha', '.mhd']:
reader = vtk.vtkMetaImageReader()
reader.SetFileName(inputFileName)
reader.Update()
elif fileExtension in ['.png']:
reader = vtk.vtkPNGReader()
reader.SetFileName(inputFileName)
reader.Update()
else:
raise Exception("Unknown extension - update this program")
imgData = reader.GetOutput()
dataType = vtk.vtkImageData
elif type(inputFileName) == vtk.vtkImageData:
imgData = inputFileName
dataType = vtk.vtkImageData
elif type(inputFileName) == vtk.vtkPolyData:
imgData = inputFileName
dataType = vtk.vtkPolyData
if dataType == vtk.vtkImageData:
low, high = imgData.GetPointData().GetScalars().GetRange()
print("low: %f, high: %f" % (low, high))
print(imgData.GetDimensions())
image = vtk.vtkImageActor()
image.GetMapper().SetInputData(imgData)
image.GetProperty().SetColorWindow(high - low)
image.GetProperty().SetColorLevel(0.5 * (low + high))
renderer.AddActor(image)
style = vtk.vtkInteractorStyleImage()
else:
style = vtk.vtkInteractorStyleSwitch()
surfActor = vtk.vtkActor()
surfMapper = vtk.vtkPolyDataMapper()
surfMapper.SetInputData(imgData)
surfActor.SetMapper(surfMapper)
renderer.AddActor(surfActor)
window = vtk.vtkRenderWindow()
window.AddRenderer(renderer)
interactor = vtk.vtkRenderWindowInteractor()
interactor.SetRenderWindow(window)
interactor.SetInteractorStyle(style)
#print(image.GetMapper().GetInput())
interactor.Start()
def __init_vtk(self):
actor = vtk.vtkImageActor()
self.actor = actor
text_image_size = vtku.Text()
text_image_size.SetPosition(const.TEXT_POS_LEFT_UP)
text_image_size.SetValue("")
text_image_size.SetSize(const.TEXT_SIZE_SMALL)
self.text_image_size = text_image_size
text_image_location = vtku.Text()
text_image_location.SetVerticalJustificationToBottom()
text_image_location.SetPosition(const.TEXT_POS_LEFT_DOWN)
text_image_location.SetValue("")
text_image_location.SetSize(const.TEXT_SIZE_SMALL)
self.text_image_location = text_image_location
text_patient = vtku.Text()
text_patient.SetJustificationToRight()
text_patient.SetPosition(const.TEXT_POS_RIGHT_UP)
text_patient.SetValue("")
text_patient.SetSize(const.TEXT_SIZE_SMALL)
self.text_patient = text_patient
text_acquisition = vtku.Text()
text_acquisition.SetJustificationToRight()
text_acquisition.SetVerticalJustificationToBottom()
text_acquisition.SetPosition(const.TEXT_POS_RIGHT_DOWN)
text_acquisition.SetValue("")
text_acquisition.SetSize(const.TEXT_SIZE_SMALL)
self.text_acquisition = text_acquisition
renderer = vtk.vtkRenderer()
renderer.AddActor(actor)
renderer.AddActor(text_image_size.actor)
renderer.AddActor(text_image_location.actor)
renderer.AddActor(text_patient.actor)
renderer.AddActor(text_acquisition.actor)
self.renderer = renderer
style = vtk.vtkInteractorStyleImage()
interactor = wxVTKRenderWindowInteractor(self.panel,
-1,
size=wx.Size(340, 340))
interactor.GetRenderWindow().AddRenderer(renderer)
interactor.SetInteractorStyle(style)
interactor.Render()
self.interactor = interactor
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(interactor, 1, wx.GROW | wx.EXPAND)
sizer.Fit(self.panel)
self.panel.SetSizer(sizer)
self.Layout()
self.Update()
def Start(self):
istyle = vtk.vtkInteractorStyleImage()
istyle.AddObserver("LeftButtonPressEvent", self.Left)
istyle.AddObserver("RightButtonPressEvent", self.Right)
iren = Globals.renWin.GetInteractor()
iren.SetInteractorStyle(istyle)
self.spline = Spline.PlaneSpline()
self.renSpline = Spline.RenderSpline(1)
self.splineExists = 0
def Start(self):
istyle = vtk.vtkInteractorStyleImage()
istyle.AddObserver("LeftButtonPressEvent",self.Left)
istyle.AddObserver("RightButtonPressEvent", self.Right)
iren = Globals.renWin.GetInteractor()
iren.SetInteractorStyle(istyle)
self.spline = Spline.PlaneSpline()
self.renSpline = Spline.RenderSpline(1)
self.splineExists = 0
def __init_vtk(self):
actor = vtk.vtkImageActor()
self.actor = actor
text_image_size = vtku.Text()
text_image_size.SetPosition(const.TEXT_POS_LEFT_UP)
text_image_size.SetValue("")
text_image_size.SetSize(const.TEXT_SIZE_SMALL)
self.text_image_size = text_image_size
text_image_location = vtku.Text()
text_image_location.SetVerticalJustificationToBottom()
text_image_location.SetPosition(const.TEXT_POS_LEFT_DOWN)
text_image_location.SetValue("")
text_image_location.SetSize(const.TEXT_SIZE_SMALL)
self.text_image_location = text_image_location
text_patient = vtku.Text()
text_patient.SetJustificationToRight()
text_patient.SetPosition(const.TEXT_POS_RIGHT_UP)
text_patient.SetValue("")
text_patient.SetSize(const.TEXT_SIZE_SMALL)
self.text_patient = text_patient
text_acquisition = vtku.Text()
text_acquisition.SetJustificationToRight()
text_acquisition.SetVerticalJustificationToBottom()
text_acquisition.SetPosition(const.TEXT_POS_RIGHT_DOWN)
text_acquisition.SetValue("")
text_acquisition.SetSize(const.TEXT_SIZE_SMALL)
self.text_acquisition = text_acquisition
renderer = vtk.vtkRenderer()
renderer.AddActor(actor)
renderer.AddActor(text_image_size.actor)
renderer.AddActor(text_image_location.actor)
renderer.AddActor(text_patient.actor)
renderer.AddActor(text_acquisition.actor)
self.renderer = renderer
style = vtk.vtkInteractorStyleImage()
interactor = wxVTKRenderWindowInteractor(self.panel, -1,
size=wx.Size(340,340))
interactor.GetRenderWindow().AddRenderer(renderer)
interactor.SetInteractorStyle(style)
interactor.Render()
self.interactor = interactor
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(interactor, 1, wx.GROW|wx.EXPAND)
sizer.Fit(self.panel)
self.panel.SetSizer(sizer)
self.Layout()
self.Update()
def start_render(self):
# initiate slider
self._init_slider()
# set InteractorStyle
interactor_style = vtk.vtkInteractorStyleImage()
self.vtkWidget.SetInteractorStyle(interactor_style)
# start render and interactor
self.vtkWidget.Initialize()
self.vtkWidget.Start()
# set camera
self.viewer.GetRenderer().ResetCamera()
def Start(self):
istyle = vtk.vtkInteractorStyleImage()
istyle.AddObserver("LeftButtonPressEvent", self.AddPoint)
iren = Globals.renWin.GetInteractor()
iren.SetInteractorStyle(istyle)
self.dlg = DlgRegionAddInfo(Globals.root, self.Next, self.Reset,
self.Del)
self.dlg.SetRegionInformation(Globals.imagePipeline.GetSliceIndex(),
Globals.imagePipeline.GetOrientation())
# define a state list
self.stateChain = [self.AddZeroCurve, self.AddOneCurve]
self.stateIndex = 0
def Render(self, actors, force3D=False):
"""Render the plot."""
self.ren = vtk.vtkRenderer()
self.force3D = force3D
self.ren.SetBackground(1, 1, 1)
for a in actors:
self.ren.AddActor(a)
# self.ren.AddActor2D(self.scalarbar)
self.renWin = self.widget.GetRenderWindow()
self.renWin.AddRenderer(self.ren)
# depth peeling
self.renWin.SetAlphaBitPlanes(True)
self.renWin.SetMultiSamples(0)
self.ren.UseDepthPeelingOn()
self.ren.SetMaximumNumberOfPeels(10)
self.ren.SetOcclusionRatio(0.1)
# set camera
# z-axis pointing up in 3D
if self.dim == 3:
self.ren.GetActiveCamera().SetViewUp((0.0, 0.0, 1.0))
self.ren.GetActiveCamera().SetPosition((100.0, 50.0, 50.0))
else:
self.ren.GetActiveCamera().SetParallelProjection(True)
self.ren.ResetCamera()
self.initview = self.getView()
# use saved camera view if plot is 3D
if self.view is not None and (force3D or self.dim == 3):
self.setView(self.view)
# self.renWin.SetWindowName(self.title)
self.iren = self.renWin.GetInteractor()
if self.mesh.topology().dim() == 3 or force3D:
style = vtk.vtkInteractorStyleTrackballCamera()
else:
style = vtk.vtkInteractorStyleImage()
# style = vtk.vtkInteractorStyleUnicam()
self.iren.SetInteractorStyle(style)
self.iren.RemoveObservers("CharEvent")
self.iren.RemoveObservers("KeyPressEvent")
self.iren.AddObserver("KeyPressEvent", self.key_press_methods)
self.iren.Initialize()
self.simple_axis(self.ren)
if self.hideAxes:
self.axes.SetVisibility(not self.axes.GetVisibility())
self.renWin.Render()
def SetInteractorStyleToImage(self):
self.interactor = self.window.GetInteractor()
self.interactorStyle = vtk.vtkInteractorStyleImage()
self.window.GetInteractor().SetInteractorStyle(self.interactorStyle)
self.interactorStyle.AddObserver("MouseMoveEvent", self.MouseMoveCallback)
self.interactorStyle.AddObserver("LeftButtonPressEvent", self.LeftButtonPressCallback)
self.interactorStyle.AddObserver("LeftButtonReleaseEvent", self.LeftButtonReleaseCallback)
self.sliderWidget.SetInteractor(self.interactor)
self.sliderWidget.SetRepresentation(self.sliderRep)
self.sliderWidget.SetAnimationModeToAnimate()
self.sliderWidget.EnabledOn()
self.sliderWidget.AddObserver("InteractionEvent", self.sliderCallback)
self.sliderWidget.AddObserver("EndInteractionEvent", self.endSliderCallback)
def SetInteractor(self, interactor):
self.interactor = interactor
self.render = interactor.GetRenderWindow().GetRenderers().GetFirstRenderer()
istyle = vtk.vtkInteractorStyleImage()
istyle.SetInteractor(interactor)
istyle.AutoAdjustCameraClippingRangeOn()
interactor.SetInteractorStyle(istyle)
istyle.AddObserver("LeftButtonPressEvent", self.Click)
istyle.AddObserver("LeftButtonReleaseEvent", self.Release)
istyle.AddObserver("MouseMoveEvent",self.Moved)
pick = self.pick = vtk.vtkCellPicker()
def __init__(self, parent=None):
logging.debug("In VTKImageView::__init__()")
super(VTKImageView, self).__init__(parent)
self.setWindowTitle(constant.TITLE_PROGRAM)
self.actor = vtk.vtkImageActor()
self.textActors = []
self.render = vtk.vtkRenderer()
self.render.AddActor(self.actor)
self.interactorStyle = vtk.vtkInteractorStyleImage()
self.SetInteractorStyle(self.interactorStyle)
self.window = self.GetRenderWindow()
self.window.AddRenderer(self.render)
def main():
filename = get_program_parameters()
colors = vtk.vtkNamedColors()
# Read the file
reader = vtk.vtkDEMReader()
reader.SetFileName(filename)
reader.Update()
lut = vtk.vtkLookupTable()
lut.SetHueRange(0.6, 0)
lut.SetSaturationRange(1.0, 0)
lut.SetValueRange(0.5, 1.0)
lut.SetTableRange(reader.GetOutput().GetScalarRange())
# Visualize
map_colors = vtk.vtkImageMapToColors()
map_colors.SetLookupTable(lut)
map_colors.SetInputConnection(reader.GetOutputPort())
# Create an actor
actor = vtk.vtkImageActor()
actor.GetMapper().SetInputConnection(map_colors.GetOutputPort())
# Setup renderer
renderer = vtk.vtkRenderer()
renderer.AddActor(actor)
renderer.ResetCamera()
renderer.SetBackground(colors.GetColor3d("Azure"))
# Setup render window
render_window = vtk.vtkRenderWindow()
render_window.AddRenderer(renderer)
# Setup render window interactor
render_window_interactor = vtk.vtkRenderWindowInteractor()
style = vtk.vtkInteractorStyleImage()
render_window_interactor.SetInteractorStyle(style)
# Render and start interaction
render_window_interactor.SetRenderWindow(render_window)
render_window.Render()
render_window_interactor.Initialize()
render_window_interactor.Start()
def DisplayComponent(source):
renderer = vtk.vtkRenderer()
win = vtk.vtkRenderWindow()
win.AddRenderer(renderer)
style = vtk.vtkInteractorStyleImage()
intact = vtk.vtkRenderWindowInteractor()
intact.SetInteractorStyle(style)
intact.SetRenderWindow(win)
planeX = vtk.vtkImagePlaneWidget()
planeY = vtk.vtkImagePlaneWidget()
planeZ = vtk.vtkImagePlaneWidget()
planeX.SetInteractor(intact)
planeY.SetInteractor(intact)
planeZ.SetInteractor(intact)
planeX.SetInputData(source)
planeY.SetInputData(source)
planeZ.SetInputData(source)
planeX.SetPlaneOrientationToXAxes()
planeY.SetPlaneOrientationToYAxes()
planeZ.SetPlaneOrientationToZAxes()
planeX.On()
planeY.On()
planeZ.On()
global pos
pos = 1
def myCallback(obj, event):
global pos
#print obj.__class__.__name__," called"
key = obj.GetKeySym()
if key == "Up":
pos = pos + 1
planeX.SetSliceIndex(pos)
print pos
win.Render()
else:
pass
intact.AddObserver(vtk.vtkCommand.KeyPressEvent, myCallback)
intact.Start()
def _configRen(self):
"""
Configura o VTK para renderizar a cena
"""
# janela de rendericação
self.renWin = vtk.vtkRenderWindow()
self.renWin.AddRenderer(self.ren)
self.renWin.SetSize(600, 600)
self.renWin.SetWindowName(self.nome)
# interação mouse-janela
self.iren = vtk.vtkRenderWindowInteractor()
self.iren.SetRenderWindow(self.renWin)
# estilo de visualização de imagem
# scroll da zoom, e arrastar com scroll move a cena
self.iren.SetInteractorStyle(vtk.vtkInteractorStyleImage())
self.iren.AddObserver('ExitEvent', self.hide)
self.iren.Initialize()
def Display(self):
wholeExtent = self.Image.GetWholeExtent()
self.SliceVOI[0] = wholeExtent[0]
self.SliceVOI[1] = wholeExtent[1]
self.SliceVOI[2] = wholeExtent[2]
self.SliceVOI[3] = wholeExtent[3]
self.SliceVOI[4] = wholeExtent[4]
self.SliceVOI[5] = wholeExtent[5]
self.SliceVOI[self.Axis * 2] = wholeExtent[self.Axis * 2]
self.SliceVOI[self.Axis * 2 + 1] = wholeExtent[self.Axis * 2]
range = self.Image.GetScalarRange()
imageShifter = vtk.vtkImageShiftScale()
imageShifter.SetInput(self.Image)
imageShifter.SetShift(-1.0 * range[0])
imageShifter.SetScale(255.0 / (range[1] - range[0]))
imageShifter.SetOutputScalarTypeToUnsignedChar()
widgetImage = imageShifter.GetOutput()
self.ImageActor.SetInput(widgetImage)
self.ImageActor.SetDisplayExtent(self.SliceVOI)
self.vmtkRenderer.Renderer.AddActor(self.ImageActor)
self.ImageTracerWidget.SetCaptureRadius(1.5)
self.ImageTracerWidget.SetViewProp(self.ImageActor)
self.ImageTracerWidget.SetInput(widgetImage)
self.ImageTracerWidget.ProjectToPlaneOn()
self.ImageTracerWidget.SetProjectionNormal(self.Axis)
self.ImageTracerWidget.PlaceWidget()
self.ImageTracerWidget.SetAutoClose(self.AutoClose)
self.ImageTracerWidget.AddObserver("StartInteractionEvent",
self.SetWidgetProjectionPosition)
self.ImageTracerWidget.AddObserver("EndInteractionEvent",
self.GetLineFromWidget)
interactorStyle = vtk.vtkInteractorStyleImage()
self.vmtkRenderer.RenderWindowInteractor.SetInteractorStyle(
interactorStyle)
self.vmtkRenderer.Render()
def viewVtk(mat):
import vtk
imageData = vtk.vtkImageData()
imageData.SetDimensions(mat.shape[0], mat.shape[1], 1)
imageData.SetScalarTypeToUnsignedShort()
imageData.SetNumberOfScalarComponents(1)
imageData.AllocateScalars()
viewer = vtk.vtkImageViewer()
viewer.SetInput(imageData)
viewer.SetZSlice(0)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(viewer.GetRenderWindow())
iren.Initialize()
iren.Start()
imageData = vtk.vtkImageSinusoidSource()
imageData.SetWholeExtent(0, 300, 0, 300, 0, 10)
imageData.SetAmplitude(63)
imageData.SetDirection(1, 1, 0)
imageData.SetPeriod(25)
viewer = vtk.vtkImageViewer()
viewer.SetInput(imageData.GetOutput())
viewer.SetColorWindow(126)
viewer.SetColorLevel(0)
viewer.SetZSlice(0)
def hamschti(obj, event):
print 'Haam:'
print obj
print event
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(viewer.GetRenderWindow())
iren.Initialize()
interactor = vtk.vtkInteractorStyleImage()
##interactor.AddObserver('LeftButtonPressEvent', hamschti)
iren.SetInteractorStyle(interactor)
iren.Start()
def DisplayComponent(source):
renderer = vtk.vtkRenderer()
win = vtk.vtkRenderWindow()
win.AddRenderer(renderer)
style = vtk.vtkInteractorStyleImage()
intact = vtk.vtkRenderWindowInteractor()
intact.SetInteractorStyle(style)
intact.SetRenderWindow(win)
planeX = vtk.vtkImagePlaneWidget()
planeY = vtk.vtkImagePlaneWidget()
planeZ = vtk.vtkImagePlaneWidget()
planeX.SetInteractor(intact)
planeY.SetInteractor(intact)
planeZ.SetInteractor(intact)
planeX.SetInputData(source)
planeY.SetInputData(source)
planeZ.SetInputData(source)
planeX.SetPlaneOrientationToXAxes()
planeY.SetPlaneOrientationToYAxes()
planeZ.SetPlaneOrientationToZAxes()
planeX.On()
planeY.On()
planeZ.On()
global pos
pos = 1
def myCallback(obj,event):
global pos
#print obj.__class__.__name__," called"
key = obj.GetKeySym()
if key=="Up":
pos = pos+1
planeX.SetSliceIndex(pos)
print pos
win.Render()
else:
pass
intact.AddObserver(vtk.vtkCommand.KeyPressEvent,myCallback)
intact.Start()
def viewVtk(mat):
import vtk
imageData = vtk.vtkImageData()
imageData.SetDimensions(mat.shape[0], mat.shape[1], 1)
imageData.SetScalarTypeToUnsignedShort()
imageData.SetNumberOfScalarComponents(1)
imageData.AllocateScalars()
viewer = vtk.vtkImageViewer()
viewer.SetInput(imageData)
viewer.SetZSlice(0)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(viewer.GetRenderWindow())
iren.Initialize()
iren.Start()
imageData = vtk.vtkImageSinusoidSource()
imageData.SetWholeExtent(0, 300, 0, 300, 0, 10)
imageData.SetAmplitude(63)
imageData.SetDirection(1, 1, 0)
imageData.SetPeriod(25)
viewer = vtk.vtkImageViewer()
viewer.SetInput(imageData.GetOutput())
viewer.SetColorWindow(126)
viewer.SetColorLevel(0)
viewer.SetZSlice(0)
def hamschti(obj, event):
print "Haam:"
print obj
print event
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(viewer.GetRenderWindow())
iren.Initialize()
interactor = vtk.vtkInteractorStyleImage()
##interactor.AddObserver('LeftButtonPressEvent', hamschti)
iren.SetInteractorStyle(interactor)
iren.Start()
def Start(self):
istyle = vtk.vtkInteractorStyleImage()
istyle.AddObserver("LeftButtonPressEvent",self.AddPoint)
iren = Globals.renWin.GetInteractor()
iren.SetInteractorStyle(istyle)
self.dlg = DlgRegionAddInfo(Globals.root,
self.Next,
self.Reset,
self.Del)
self.dlg.SetRegionInformation(Globals.imagePipeline.GetSliceIndex(),
Globals.imagePipeline.GetOrientation()
)
# define a state list
self.stateChain = [ self.AddZeroCurve,
self.AddOneCurve
]
self.stateIndex = 0
def __init__(self,win_w,win_h):
QMainWindow.__init__(self)
self.setupUi(self)
self.setWindowTitle("AEM GUI")
self.setWindowIcon(QIcon('PreStruct.ico'))
self.BlockDlg=AddBlockDlg()
self.SteelDlg=AddSteelDlg()
self.AEMmodel=AEMmodel()
self.DisplayMode='Simple'
#fix window dimensions
self.win_w=win_w
self.win_h=win_h
self.setFixedSize(int(0.9*win_w),int(0.9*win_h))
self.verticalLayoutWidget.setGeometry(QRect(int(0.11*win_w), 10, int(0.8*win_w), int(0.9*win_h)))
self.menubar.setGeometry(QRect(0, 0, 700, 22))
self.splitter.setGeometry(QRect(11, 10, int(0.1*win_w), int(0.25*win_h)))
# assign push button
self.pushButton_block.pressed.connect(self.OpenAddElementBlockDlg)
self.pushButton_bc.pressed.connect(self.OpenAddBoundaryDlg)
self.pushButton_steel.pressed.connect(self.OpenAddSteelDlg)
#checkbox
self.checkBox_eleno.stateChanged.connect(lambda:self.btnstate(self.checkBox_eleno))
self.checkBox_steel.stateChanged.connect(lambda:self.btnstate(self.checkBox_steel))
self.checkBox_bc.stateChanged.connect(lambda:self.btnstate(self.checkBox_bc))
self.checkBox_load.stateChanged.connect(lambda:self.btnstate(self.checkBox_load))
self.renderer = vtk.vtkRenderer()
self.frame = QFrame()
self.renWinInteract = QVTKRenderWindowInteractor(self.frame)
self.verticalLayout.addWidget(self.renWinInteract)
self.renWin=self.renWinInteract.GetRenderWindow()
self.renWin.SetSize(200,100)
self.renWin.AddRenderer(self.renderer)
interactor = vtk.vtkInteractorStyleImage()
self.renWinInteract.SetInteractorStyle(interactor)
self.renWinInteract.Initialize()
def main():
colors = vtk.vtkNamedColors()
points = vtk.vtkPoints()
points.InsertNextPoint(0, 0, 0)
points.InsertNextPoint(1, 1, 0)
points.InsertNextPoint(2, 2, 0)
polydata = vtk.vtkPolyData()
polydata.SetPoints(points)
# Create anything you want here, we will use a polygon for the demo.
polygonSource = vtk.vtkRegularPolygonSource() # default is 6 sides
glyph2D = vtk.vtkGlyph2D()
glyph2D.SetSourceConnection(polygonSource.GetOutputPort())
glyph2D.SetInputData(polydata)
glyph2D.Update()
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(glyph2D.GetOutputPort())
mapper.Update()
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetColor(colors.GetColor3d('Salmon'))
# Visualize
renderer = vtk.vtkRenderer()
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
renderer.AddActor(actor)
renderer.SetBackground(colors.GetColor3d('SlateGray'))
style = vtk.vtkInteractorStyleImage()
renderWindowInteractor.SetInteractorStyle(style)
renderWindow.SetWindowName('Glyph2D')
renderWindow.Render()
renderWindowInteractor.Start()
def main():
# Parse input arguments
inputFilename = 'Bunny.jpg'
#IMREAD_COLOR sets to BGR mode
img = cv.imread(inputFilename, cv.IMREAD_COLOR)
# Read the image
reader = vtk.vtkJPEGReader()
reader.SetFileName(inputFilename)
reader.Update()
otherreader = vtk.vtkImageData()
#fromMat2Vtk (input, otherreader)
# Create an actor
actor = vtk.vtkImageActor()
#actor.GetMapper().SetInputConnection(reader.GetOutputPort())
actor.GetMapper().SetInputData(fromMat2Vtk(img))
# Setup renderer
colors = vtk.vtkNamedColors()
renderer = vtk.vtkRenderer()
renderer.AddActor(actor)
renderer.ResetCamera()
#renderer.SetBackground(colors.GetColor3d("Burlywood").GetData())
# Setup render window
window = vtk.vtkRenderWindow()
window.AddRenderer(renderer)
# Setup render window interactor
interactor = vtk.vtkRenderWindowInteractor()
interactor.SetRenderWindow(window)
# Setup interactor style (this is what implements the zooming, panning and brightness adjustment functionality)
style = vtk.vtkInteractorStyleImage()
interactor.SetInteractorStyle(style)
# Render and start interaction
interactor.Start()
def Display(self):
wholeExtent = self.Image.GetWholeExtent()
self.SliceVOI[0] = wholeExtent[0]
self.SliceVOI[1] = wholeExtent[1]
self.SliceVOI[2] = wholeExtent[2]
self.SliceVOI[3] = wholeExtent[3]
self.SliceVOI[4] = wholeExtent[4]
self.SliceVOI[5] = wholeExtent[5]
self.SliceVOI[self.Axis*2] = wholeExtent[self.Axis*2]
self.SliceVOI[self.Axis*2+1] = wholeExtent[self.Axis*2]
range = self.Image.GetScalarRange()
imageShifter = vtk.vtkImageShiftScale()
imageShifter.SetInput(self.Image)
imageShifter.SetShift(-1.0*range[0])
imageShifter.SetScale(255.0/(range[1]-range[0]))
imageShifter.SetOutputScalarTypeToUnsignedChar()
widgetImage = imageShifter.GetOutput()
self.ImageActor.SetInput(widgetImage)
self.ImageActor.SetDisplayExtent(self.SliceVOI)
self.vmtkRenderer.Renderer.AddActor(self.ImageActor)
self.ImageTracerWidget.SetCaptureRadius(1.5)
self.ImageTracerWidget.SetViewProp(self.ImageActor)
self.ImageTracerWidget.SetInput(widgetImage)
self.ImageTracerWidget.ProjectToPlaneOn()
self.ImageTracerWidget.SetProjectionNormal(self.Axis)
self.ImageTracerWidget.PlaceWidget()
self.ImageTracerWidget.SetAutoClose(self.AutoClose)
self.ImageTracerWidget.AddObserver("StartInteractionEvent",self.SetWidgetProjectionPosition)
self.ImageTracerWidget.AddObserver("EndInteractionEvent",self.GetLineFromWidget)
interactorStyle = vtk.vtkInteractorStyleImage()
self.vmtkRenderer.RenderWindowInteractor.SetInteractorStyle(interactorStyle)
self.vmtkRenderer.Render()
def setupUi(self, ReadDICOMSeriesQt):
ReadDICOMSeriesQt.setObjectName(_fromUtf8("ReadDICOMSeriesQt"))
ReadDICOMSeriesQt.resize(541, 531)
self.centralWidget = QtGui.QWidget(ReadDICOMSeriesQt)
self.centralWidget.setObjectName(_fromUtf8("centralWidget"))
self.buttonOpenFolder = QtGui.QPushButton(self.centralWidget)
self.buttonOpenFolder.setGeometry(QtCore.QRect(10, 430, 121, 24))
self.buttonOpenFolder.setObjectName(_fromUtf8("buttonOpenFolder"))
self.sliderSlices = QtGui.QSlider(self.centralWidget)
self.sliderSlices.setGeometry(QtCore.QRect(140, 430, 381, 23))
self.sliderSlices.setOrientation(QtCore.Qt.Horizontal)
self.sliderSlices.setObjectName(_fromUtf8("sliderSlices"))
self.labelFolderName = QtGui.QLabel(self.centralWidget)
self.labelFolderName.setGeometry(QtCore.QRect(140, 470, 381, 15))
self.labelFolderName.setObjectName(_fromUtf8("labelFolderName"))
self.labelSlicesNumber = QtGui.QLabel(self.centralWidget)
self.labelSlicesNumber.setGeometry(QtCore.QRect(140, 500, 381, 15))
self.labelSlicesNumber.setObjectName(_fromUtf8("labelSlicesNumber"))
self.labelSlicesNumberTitle = QtGui.QLabel(self.centralWidget)
self.labelSlicesNumberTitle.setGeometry(QtCore.QRect(20, 500, 59, 15))
self.labelSlicesNumberTitle.setObjectName(
_fromUtf8("labelSlicesNumberTitle"))
self.labelFolderNameTitle = QtGui.QLabel(self.centralWidget)
self.labelFolderNameTitle.setGeometry(QtCore.QRect(20, 470, 59, 15))
self.labelFolderNameTitle.setObjectName(
_fromUtf8("labelFolderNameTitle"))
self.qvtkWidget = QVTKRenderWindowInteractor(self.centralWidget)
self.qvtkWidget.setGeometry(QtCore.QRect(10, 10, 521, 411))
self.qvtkWidget.setObjectName(_fromUtf8("qvtkWidget"))
ReadDICOMSeriesQt.setCentralWidget(self.centralWidget)
self.reader = vtk.vtkDICOMImageReader()
self.imageViewer = vtk.vtkImageViewer()
self.interactor = vtk.vtkInteractorStyleImage()
self.renderWindowInteractor = vtk.vtkRenderWindowInteractor()
self.minSlice = 0
self.maxSlice = 0
self.fname = ""
self.dicomfiles = []
self.retranslateUi(ReadDICOMSeriesQt)
QtCore.QMetaObject.connectSlotsByName(ReadDICOMSeriesQt)
def main():
rwi = vtk.vtkRenderWindowInteractor()
istyle = vtk.vtkInteractorStyleImage()
rwi.SetInteractorStyle(istyle)
rw = vtk.vtkRenderWindow()
rwi.SetRenderWindow(rw)
ren = vtk.vtkRenderer()
ren.SetBackground(1,1,1)
ren.GetActiveCamera().SetParallelProjection(1)
rw.AddRenderer(ren)
rwi.Initialize()
ta1 = make_glyph(ren, (0,0), 'Hello thereTTT\nHoo you too')
ta2 = make_glyph(ren, (0,100), 'What ghte')
ta3 = make_glyph(ren, (-100, -100), 'To the left and below')
ren.ResetCamera()
rw.Render()
b = ta1.GetBounds()
b = [0,0,0,0]
ta1.GetBoundingBox(b)
print b
ss = vtk.vtkSphereSource()
ss.SetRadius(32)
sm = vtk.vtkPolyDataMapper()
sm.SetInput(ss.GetOutput())
sa = vtk.vtkActor()
sa.SetMapper(sm)
sa.SetPosition((b[1] - b[0],b[3] - b[2],0))
ren.AddActor(sa)
rwi.Start()
def Visualize(self):
renderSize = 300;
numberOfImages = 1; #implement only one image visulization
# Setup the render window and interactor
renderWindow = vtk.vtkRenderWindow()
renderWindow.SetSize(renderSize * numberOfImages, renderSize)
interactor = vtk.vtkRenderWindowInteractor()
interactor.SetRenderWindow(renderWindow)
style = vtk.vtkInteractorStyleImage()
interactor.SetInteractorStyle(style)
# Render all of the images
background = [0.4,0.5,0.6]
sharedCamera = vtk.vtkCamera()
actor = vtk.vtkImageActor()
#connect itk image to vtk image
connector = self.i2vConnector.New()
connector.SetInput(self.m_Image)
actor.SetInput(connector.GetOutput())
renderer = vtk.vtkRenderer()
renderWindow.AddRenderer(renderer)
#renderer.SetViewpint()
renderer.SetBackground(background)
# start visualization
renderer.AddActor(actor)
renderer.ResetCamera()
renderWindow.Render()
# start interactor
interactor.Start()
def createOrthoView(self):
"""Create an accompanying orthographic view of the sliceDirection
encapsulated by this object.
"""
# there can be only one orthoPipeline
if not self._orthoPipeline:
import modules.resources.python.slice3dVWRFrames
# import our wxGlade-generated frame
ovf = modules.resources.python.slice3dVWRFrames.orthoViewFrame
self._orthoViewFrame = ovf(
self.sliceDirections.slice3dVWR.threedFrame, id=-1,
title='dummy')
self._orthoViewFrame.SetIcon(module_utils.get_module_icon())
self._renderer = vtk.vtkRenderer()
self._renderer.SetBackground(0.5, 0.5, 0.5)
self._orthoViewFrame.RWI.GetRenderWindow().AddRenderer(
self._renderer)
istyle = vtk.vtkInteractorStyleImage()
self._orthoViewFrame.RWI.SetInteractorStyle(istyle)
wx.EVT_CLOSE(self._orthoViewFrame,
lambda e, s=self: s.destroyOrthoView)
wx.EVT_BUTTON(self._orthoViewFrame,
self._orthoViewFrame.closeButtonId,
lambda e, s=self: s.destroyOrthoView)
for ipw in self._ipws:
self._createOrthoPipelineForNewIPW(ipw)
if self._ipws:
self._resetOrthoView()
self._orthoViewFrame.Show(True)
def set_interactor_style_image(self):
self.vtkWidget.set_interactor_style(vtkInteractorStyleImage())
def TestDisplay(file1):
"""Display the output"""
inpath = os.path.join(str(VTK_DATA_ROOT), "Data", file1)
reader = vtk.vtkNIFTIImageReader()
reader.SetFileName(inpath)
reader.Update()
size = reader.GetOutput().GetDimensions()
center = reader.GetOutput().GetCenter()
spacing = reader.GetOutput().GetSpacing()
center1 = (center[0], center[1], center[2])
center2 = (center[0], center[1], center[2])
if size[2] % 2 == 1:
center1 = (center[0], center[1], center[2] + 0.5*spacing[2])
if size[0] % 2 == 1:
center2 = (center[0] + 0.5*spacing[0], center[1], center[2])
vrange = reader.GetOutput().GetScalarRange()
map1 = vtk.vtkImageSliceMapper()
map1.BorderOn()
map1.SliceAtFocalPointOn()
map1.SliceFacesCameraOn()
map1.SetInputConnection(reader.GetOutputPort())
map2 = vtk.vtkImageSliceMapper()
map2.BorderOn()
map2.SliceAtFocalPointOn()
map2.SliceFacesCameraOn()
map2.SetInputConnection(reader.GetOutputPort())
slice1 = vtk.vtkImageSlice()
slice1.SetMapper(map1)
slice1.GetProperty().SetColorWindow(vrange[1]-vrange[0])
slice1.GetProperty().SetColorLevel(0.5*(vrange[0]+vrange[1]))
slice2 = vtk.vtkImageSlice()
slice2.SetMapper(map2)
slice2.GetProperty().SetColorWindow(vrange[1]-vrange[0])
slice2.GetProperty().SetColorLevel(0.5*(vrange[0]+vrange[1]))
ratio = size[0]*1.0/(size[0]+size[2])
ren1 = vtk.vtkRenderer()
ren1.SetViewport(0,0,ratio,1.0)
ren2 = vtk.vtkRenderer()
ren2.SetViewport(ratio,0.0,1.0,1.0)
ren1.AddViewProp(slice1)
ren2.AddViewProp(slice2)
cam1 = ren1.GetActiveCamera()
cam1.ParallelProjectionOn()
cam1.SetParallelScale(0.5*spacing[1]*size[1])
cam1.SetFocalPoint(center1[0], center1[1], center1[2])
cam1.SetPosition(center1[0], center1[1], center1[2] - 100.0)
cam2 = ren2.GetActiveCamera()
cam2.ParallelProjectionOn()
cam2.SetParallelScale(0.5*spacing[1]*size[1])
cam2.SetFocalPoint(center2[0], center2[1], center2[2])
cam2.SetPosition(center2[0] + 100.0, center2[1], center2[2])
if "-I" in sys.argv:
style = vtk.vtkInteractorStyleImage()
style.SetInteractionModeToImageSlicing()
iren = vtk.vtkRenderWindowInteractor()
iren.SetInteractorStyle(style)
renwin = vtk.vtkRenderWindow()
renwin.SetSize(size[0] + size[2], size[1])
renwin.AddRenderer(ren1)
renwin.AddRenderer(ren2)
renwin.Render()
if "-I" in sys.argv:
renwin.SetInteractor(iren)
iren.Initialize()
iren.Start()
return renwin
def __init__(self, data_source, input_link):
"""Parallel coordinates view constructor needs a valid DataSource plus
and external annotation link (from the icicle view).
"""
self.ds = data_source
self.input_link = input_link
# Set up callback to listen for changes in IcicleView selections
self.input_link.AddObserver("AnnotationChangedEvent", self.InputSelectionCallback)
# Set up an annotation link for other views to monitor selected image
self.output_link = vtk.vtkAnnotationLink()
# If you don't set the FieldType explicitly it ends up as UNKNOWN (as of 21 Feb 2010)
# See vtkSelectionNode doc for field and content type enum values
self.output_link.GetCurrentSelection().GetNode(0).SetFieldType(1) # Point
# The chart seems to force INDEX selection, so I'm using vtkConvertSelection below to get
# out PedigreeIds...
self.output_link.GetCurrentSelection().GetNode(0).SetContentType(2) # 2 = PedigreeIds, 4 = Indices
# Going to manually create output_link selection list, so not setting up callback for it...
if os.path.isfile(os.path.abspath('BlankImage.png')):
blank_file = 'BlankImage.png'
else:
# For use in app bundles
blank_file = os.path.join(sys.path[0],'BlankImage.png')
self.blankImageReader = vtk.vtkPNGReader()
self.blankImageReader.SetFileName(blank_file)
self.blankImageReader.Update()
tmp = self.blankImageReader.GetOutput().GetBounds()
self.flowSpacing = float(tmp[1]-tmp[0])*1.1
# Create a greyscale lookup table
self.lut = self.ds.GetGrayscaleLUT('gray')
self.lut.SetRange(self.blankImageReader.GetOutput().GetPointData().GetArray('PNGImage').GetRange()) # image intensity range
# Map the image through the lookup table
self.color = vtk.vtkImageMapToColors()
self.color.SetLookupTable(self.lut)
self.color.SetInput(self.blankImageReader.GetOutput())
self.resliceList = []
self.actorList = []
self.numImages = 1
# Map between indices of images and their Pedigree ID
self.pedigree_id_dict = {}
blankImageActor = vtk.vtkImageActor()
blankImageActor.SetInput(self.color.GetOutput())
blankImageActor.SetPickable(False)
blankImageActor.SetOpacity(0.1)
self.actorList.append(blankImageActor)
self.expSpread = 0.5
self.maxAngle = 80.0
self.renderer = vtk.vtkRenderer()
self.cam = self.renderer.GetActiveCamera()
# renderer.SetBackground(0.15, 0.12, 0.1)
# cc0,cc1,cc2 = [float(ccVal)/255.0 for ccVal in [68,57,53]]
# self.renderer.SetBackground(cc0,cc1,cc2)
# cc0,cc1,cc2 = [float(ccVal)/255.0 for ccVal in [60,60,60]]
cc0,cc1,cc2 = [float(ccVal)/255.0 for ccVal in [160, 160, 160]]
self.renderer.SetBackground(cc0,cc1,cc2)
self.renderer.AddActor(self.actorList[0])
self.highlightRect = vtk.vtkOutlineSource()
self.highlightRect.SetBounds(self.actorList[0].GetBounds())
self.highlightMapper = vtk.vtkPolyDataMapper()
self.highlightMapper.SetInputConnection(self.highlightRect.GetOutputPort(0))
self.highlightActor = vtk.vtkActor()
self.highlightActor.SetMapper(self.highlightMapper)
self.highlightActor.GetProperty().SetColor(0,0.5,1.0)
self.highlightActor.GetProperty().SetLineWidth(6.0)
self.highlightActor.GetProperty().SetOpacity(0.5)
self.highlightActor.SetOrientation(self.actorList[0].GetOrientation())
tmpPos = self.actorList[0].GetPosition()
usePos = (tmpPos[0],tmpPos[1],tmpPos[2]+0.01)
self.highlightActor.SetPosition(usePos)
# Setting as if nothing picked even though initialized position & orientation to actor0
self.highlightIndex = -1
self.highlightActor.SetPickable(False)
self.highlightActor.SetVisibility(False)
self.renderer.AddActor(self.highlightActor)
# Create the slider which will control the image positions
self.sliderRep = vtk.vtkSliderRepresentation2D()
self.sliderRep.SetMinimumValue(0)
self.sliderRep.SetMaximumValue(self.numImages-1)
self.sliderRep.SetValue(0)
self.window = vtk.vtkRenderWindow()
self.window.SetSize(600,300)
self.window.AddRenderer(self.renderer)
# Set up the interaction
self.interactorStyle = vtk.vtkInteractorStyleImage()
self.interactor = vtk.vtkRenderWindowInteractor()
self.interactor.SetInteractorStyle(self.interactorStyle)
self.window.SetInteractor(self.interactor)
self.sliderWidget = vtk.vtkSliderWidget()
self.sliderWidget.SetInteractor(self.interactor)
self.sliderWidget.SetRepresentation(self.sliderRep)
self.sliderWidget.SetAnimationModeToAnimate()
self.sliderWidget.EnabledOn()
self.sliderWidget.AddObserver("InteractionEvent", self.sliderCallback)
self.sliderWidget.AddObserver("EndInteractionEvent", self.endSliderCallback)
# Default flow direction Horizontal
self.FlowDirection = Direction.Horizontal
self.SetFlowDirection(self.FlowDirection)
# Set up callback to toggle between inspect modes (manip axes & select data)
# self.interactorStyle.AddObserver("SelectionChangedEvent", self.selectImage)
# Create callbacks for mouse events
self.mouseActions = {}
self.mouseActions["LeftButtonDown"] = 0
self.mouseActions["Picking"] = 0
self.interactorStyle.AddObserver("MouseMoveEvent", self.MouseMoveCallback)
self.interactorStyle.AddObserver("LeftButtonPressEvent", self.LeftButtonPressCallback)
self.interactorStyle.AddObserver("LeftButtonReleaseEvent", self.LeftButtonReleaseCallback)
self.cam.ParallelProjectionOn()
self.renderer.ResetCamera(self.actorList[0].GetBounds())
self.cam.Elevation(10)
self.renderer.ResetCameraClippingRange()
def __config_interactor(self):
style = vtk.vtkInteractorStyleImage()
interactor = self.interactor
interactor.SetInteractorStyle(style)
def Start(self):
istyle = vtk.vtkInteractorStyleImage()
istyle.AddObserver("RightButtonPressEvent",self.PlacePointer)
iren = Globals.renWin.GetInteractor()
iren.SetInteractorStyle(istyle)
def createInteractorStyle(self):
return vtk.vtkInteractorStyleImage()
def initView(self, data, widget):
super(SingleDataView, self).initView(data, widget)
shapeList = data.getData().shape
y, x = shapeList[-2], shapeList[-1]
self.dimension = len(shapeList) == 2
self.reslice_mapper = vtk.vtkImageResliceMapper()
self.reslice_mapper.SetInput(self.image_resample.GetOutput())
self.reslice_mapper.SliceFacesCameraOn()
self.reslice_mapper.SliceAtFocalPointOn()
self.reslice_mapper.JumpToNearestSliceOn()
self.reslice_mapper.BorderOff()
self.reslice_mapper.BackgroundOn()
array = data.getData()
self.minI = array.min()
self.maxI = array.max()
# self.minI = 0
# self.maxI = 255
image_property = vtk.vtkImageProperty()
image_property.SetColorWindow(self.maxI - self.minI)
image_property.SetColorLevel((self.maxI + self.minI) / 2.0)
image_property.SetAmbient(0.0)
image_property.SetDiffuse(1.0)
image_property.SetOpacity(1.0)
image_property.SetInterpolationTypeToLinear()
self.image_slice = vtk.vtkImageSlice()
self.image_slice.SetMapper(self.reslice_mapper)
self.image_slice.SetProperty(image_property)
self.renderer.AddViewProp(self.image_slice)
self.window_interactor = vtk.vtkRenderWindowInteractor()
self.interactor_style = vtk.vtkInteractorStyleImage()
self.interactor_style.SetInteractionModeToImage3D()
self.window_interactor.SetInteractorStyle(self.interactor_style)
self.render_window.SetInteractor(self.window_interactor)
point_picker = vtk.vtkPointPicker()
self.window_interactor.SetPicker(point_picker)
self.render_window.GlobalWarningDisplayOff()
self.render_window.Render()
self.camera = self.renderer.GetActiveCamera()
self.camera.ParallelProjectionOn()
w, h = self.window_interactor.GetSize()
if h * x * self.space[0] < w * y * self.space[1]:
scale = y / 2.0 * self.space[1]
else:
scale = h * x * self.space[0] / 2.0 / w
self.camera.SetParallelScale(scale)
point = self.camera.GetFocalPoint()
dis = self.camera.GetDistance()
self.camera.SetViewUp(0, -1, 0)
self.camera.SetPosition(point[0], point[1], point[2] - dis)
self.renderer.ResetCameraClippingRange()
# View of image
self.view = 2
self.interactor_style.AddObserver("MouseMoveEvent", self.MouseMoveCallback)
self.interactor_style.AddObserver("LeftButtonReleaseEvent", self.LeftButtonReleaseCallback)
self.interactor_style.AddObserver("LeftButtonPressEvent", self.LeftButtonPressCallback)
self.interactor_style.AddObserver("MiddleButtonPressEvent", self.MiddleButtonPressCallback)
self.interactor_style.AddObserver("RightButtonPressEvent", self.RightButtonPressCallback)
self.interactor_style.AddObserver("RightButtonReleaseEvent", self.RightButtonReleaseCallback)
self.interactor_style.AddObserver("KeyPressEvent", self.KeyPressCallback)
self.interactor_style.AddObserver("CharEvent", self.CharCallback)
#self.plugin[0].enable(self)
self.updateAfter()
self.render_window.Render()
def Display(self):
wholeExtent = self.Image.GetExtent()
self.SliceVOI[0] = wholeExtent[0]
self.SliceVOI[1] = wholeExtent[1]
self.SliceVOI[2] = wholeExtent[2]
self.SliceVOI[3] = wholeExtent[3]
self.SliceVOI[4] = wholeExtent[4]
self.SliceVOI[5] = wholeExtent[5]
self.SliceVOI[self.Axis * 2] = wholeExtent[self.Axis * 2]
self.SliceVOI[self.Axis * 2 + 1] = wholeExtent[self.Axis * 2]
range = self.Image.GetScalarRange()
imageShifter = vtk.vtkImageShiftScale()
imageShifter.SetInput(self.Image)
imageShifter.SetShift(-1.0 * range[0])
imageShifter.SetScale(255.0 / (range[1] - range[0]))
imageShifter.SetOutputScalarTypeToUnsignedChar()
widgetImage = imageShifter.GetOutput()
self.ImageActor.SetInput(widgetImage)
self.ImageActor.SetDisplayExtent(self.SliceVOI)
self.vmtkRenderer.Renderer.AddActor(self.ImageActor)
if self.Type == "freehand":
self.ImageTracerWidget.SetCaptureRadius(1.5)
self.ImageTracerWidget.SetViewProp(self.ImageActor)
self.ImageTracerWidget.SetInput(widgetImage)
self.ImageTracerWidget.ProjectToPlaneOn()
self.ImageTracerWidget.SetProjectionNormal(self.Axis)
self.ImageTracerWidget.PlaceWidget()
self.ImageTracerWidget.SetAutoClose(self.AutoClose)
self.ImageTracerWidget.AddObserver("StartInteractionEvent", self.SetWidgetProjectionPosition)
self.ImageTracerWidget.AddObserver("EndInteractionEvent", self.GetLineFromWidget)
elif self.Type == "contour":
self.ImageTracerWidget.AddObserver("EndInteractionEvent", self.GetLineFromWidget)
self.ImageTracerWidget.ContinuousDrawOff()
sliderRep = vtk.vtkSliderRepresentation2D()
sliderRep.SetValue(0.5 * (wholeExtent[self.Axis * 2] + wholeExtent[self.Axis * 2 + 1]))
sliderRep.SetMinimumValue(wholeExtent[self.Axis * 2])
sliderRep.SetMaximumValue(wholeExtent[self.Axis * 2 + 1])
sliderRep.SetTitleText("Slice")
sliderRep.GetPoint1Coordinate().SetCoordinateSystemToNormalizedDisplay()
sliderRep.GetPoint1Coordinate().SetValue(0.2, 0.9)
sliderRep.GetPoint2Coordinate().SetCoordinateSystemToNormalizedDisplay()
sliderRep.GetPoint2Coordinate().SetValue(0.8, 0.9)
sliderRep.SetSliderLength(0.02)
sliderRep.SetSliderWidth(0.03)
sliderRep.SetEndCapLength(0.01)
sliderRep.SetEndCapWidth(0.03)
sliderRep.SetTubeWidth(0.005)
sliderRep.SetLabelFormat("%.0f")
self.SliderWidget.AddObserver("InteractionEvent", self.ChangeSlice)
self.SliderWidget.SetRepresentation(sliderRep)
self.SliderWidget.EnabledOn()
interactorStyle = vtk.vtkInteractorStyleImage()
self.vmtkRenderer.RenderWindowInteractor.SetInteractorStyle(interactorStyle)
self.vmtkRenderer.Render()
# This example shows how to load a 3D image into VTK and then reformat
# that image into a different orientation for viewing. It uses
# vtkImageReslice for reformatting the image, and uses vtkImageActor
# and vtkInteractorStyleImage to display the image. This InteractorStyle
# forces the camera to stay perpendicular to the XY plane.
import vtk
# these globals are needed for this to work. perhaps create a class
# later. the below code was modified from a vtk example, to create a
# function to call for rendering.
reslice = vtk.vtkImageReslice()
window = vtk.vtkRenderWindow()
interactorStyle = vtk.vtkInteractorStyleImage()
interactor = vtk.vtkRenderWindowInteractor()
table = vtk.vtkLookupTable()
color = vtk.vtkImageMapToColors()
actor = vtk.vtkImageActor()
renderer = vtk.vtkRenderer()
actions = {}
def ButtonCallback(obj, event):
#print "button"
if event == "LeftButtonPressEvent":
actions["Slicing"] = 1
else:
actions["Slicing"] = 0
def MouseMoveCallback(obj, event):
#print "mouse move"
(lastX, lastY) = interactor.GetLastEventPosition()
def display(image, image_pos_pat, image_ori_pat):
global xMin, xMax, yMin, yMax, zMin, zMax, xSpacing, ySpacing, zSpacing, interactor, actions, reslice, interactorStyle
# The box widget observes the events invoked by the render window
# interactor. These events come from user interaction in the render
# window.
# boxWidget = vtk.vtkBoxWidget()
# boxWidget.SetInteractor(iren1)
# boxWidget.SetPlaceFactor(1)
# Initialize Image orienation
IO = matrix( [[0, 0,-1, 0],
[1, 0, 0, 0],
[0,-1, 0, 0],
[0, 0, 0, 1]])
# Assign the 6-Image orientation patient coordinates (from Dicomtags)
IO[0,0] = image_ori_pat[0]; IO[1,0] = image_ori_pat[1]; IO[2,0] = image_ori_pat[2];
IO[0,1] = image_ori_pat[3]; IO[1,1] = image_ori_pat[4]; IO[2,1] = image_ori_pat[5];
# obtain thrid column as the cross product of column 1 y 2
IO_col1 = [image_ori_pat[0], image_ori_pat[1], image_ori_pat[2]]
IO_col2 = [image_ori_pat[3], image_ori_pat[4], image_ori_pat[5]]
IO_col3 = cross(IO_col1, IO_col2)
# assign column 3
IO[0,2] = IO_col3[0]; IO[1,2] = IO_col3[1]; IO[2,2] = IO_col3[2];
IP = array([0, 0, 0, 1]) # Initialization Image Position
IP[0] = image_pos_pat[0]; IP[1] = image_pos_pat[1]; IP[2] = image_pos_pat[2];
IO[0,3] = image_pos_pat[0]; IO[1,3] = image_pos_pat[1]; IO[2,3] = image_pos_pat[2]
print "image_pos_pat :"
print image_pos_pat
print "image_ori_pat:"
print image_ori_pat
origin = IP*IO.I
print "Volume Origin:"
print origin[0,0], origin[0,1], origin[0,2]
# Create matrix 4x4
DICOM_mat = vtk.vtkMatrix4x4();
DICOM_mat.SetElement(0, 0, IO[0,0])
DICOM_mat.SetElement(0, 1, IO[0,1])
DICOM_mat.SetElement(0, 2, IO[0,2])
DICOM_mat.SetElement(0, 3, IO[0,3])
DICOM_mat.SetElement(1, 0, IO[1,0])
DICOM_mat.SetElement(1, 1, IO[1,1])
DICOM_mat.SetElement(1, 2, IO[1,2])
DICOM_mat.SetElement(1, 3, IO[1,3])
DICOM_mat.SetElement(2, 0, IO[2,0])
DICOM_mat.SetElement(2, 1, IO[2,1])
DICOM_mat.SetElement(2, 2, IO[2,2])
DICOM_mat.SetElement(2, 3, IO[2,3])
DICOM_mat.SetElement(3, 0, IO[3,0])
DICOM_mat.SetElement(3, 1, IO[3,1])
DICOM_mat.SetElement(3, 2, IO[3,2])
DICOM_mat.SetElement(3, 3, IO[3,3])
#DICOM_mat.Invert()
# Set up the axes
transform = vtk.vtkTransform()
transform.Concatenate(DICOM_mat)
transform.Update()
# Set up the cube (set up the translation back to zero
DICOM_mat_cube = vtk.vtkMatrix4x4();
DICOM_mat_cube.DeepCopy(DICOM_mat)
DICOM_mat_cube.SetElement(0, 3, 0)
DICOM_mat_cube.SetElement(1, 3, 0)
DICOM_mat_cube.SetElement(2, 3, 0)
transform_cube = vtk.vtkTransform()
transform_cube.Concatenate(DICOM_mat_cube)
transform_cube.Update()
##########################
# Calculate the center of the volume
(xMin, xMax, yMin, yMax, zMin, zMax) = image.GetWholeExtent()
(xSpacing, ySpacing, zSpacing) = image.GetSpacing()
(x0, y0, z0) = image.GetOrigin()
center = [x0 + xSpacing * 0.5 * (xMin + xMax),
y0 + ySpacing * 0.5 * (yMin + yMax),
z0 + zSpacing * 0.5 * (zMin + zMax)]
# Matrices for axial, coronal, sagittal, oblique view orientations
axial = vtk.vtkMatrix4x4()
axial.DeepCopy((1, 0, 0, center[0],
0, 1, 0, center[1],
0, 0, 1, center[2],
0, 0, 0, 1))
coronal = vtk.vtkMatrix4x4()
coronal.DeepCopy((1, 0, 0, center[0],
0, 0, 1, center[1],
0,-1, 0, center[2],
0, 0, 0, 1))
sagittal = vtk.vtkMatrix4x4()
sagittal.DeepCopy((0, 0,-1, center[0],
1, 0, 0, center[1],
0,-1, 0, center[2],
0, 0, 0, 1))
oblique = vtk.vtkMatrix4x4()
oblique.DeepCopy((1, 0, 0, center[0],
0, 0.866025, -0.5, center[1],
0, 0.5, 0.866025, center[2],
0, 0, 0, 1))
# Extract a slice in the desired orientation
reslice = vtk.vtkImageReslice()
reslice.SetInput(image)
reslice.SetOutputDimensionality(2)
reslice.SetResliceAxes(sagittal)
reslice.SetInterpolationModeToLinear()
# Create a greyscale lookup table
table = vtk.vtkLookupTable()
table.SetRange(0, 2000) # image intensity range
table.SetValueRange(0.0, 1.0) # from black to white
table.SetSaturationRange(0.0, 0.0) # no color saturation
table.SetRampToLinear()
table.Build()
# Map the image through the lookup table
color = vtk.vtkImageMapToColors()
color.SetLookupTable(table)
color.SetInputConnection(reslice.GetOutputPort())
# Display the image
actor = vtk.vtkImageActor()
actor.GetMapper().SetInputConnection(color.GetOutputPort())
renderer1 = vtk.vtkRenderer()
renderer1.AddActor(actor)
################
# set up cube actor with Orientation(R-L, A-P, S-O) using transform_cube
# Set up to ALS (+X=A, +Y=S, +Z=L) source:
cube = vtk.vtkAnnotatedCubeActor()
cube.SetXPlusFaceText( "S" );
cube.SetXMinusFaceText( "I" );
cube.SetYPlusFaceText( "L" );
cube.SetYMinusFaceText( "R" );
cube.SetZPlusFaceText( "A" );
cube.SetZMinusFaceText( "P" );
cube.SetFaceTextScale( 0.5 );
cube.GetAssembly().SetUserTransform( transform_cube );
# Set UP the axes
axes2 = vtk.vtkAxesActor()
axes2.SetShaftTypeToCylinder();
#axes2.SetUserTransform( transform_cube );
axes2.SetTotalLength( 1.5, 1.5, 1.5 );
axes2.SetCylinderRadius( 0.500 * axes2.GetCylinderRadius() );
axes2.SetConeRadius( 1.025 * axes2.GetConeRadius() );
axes2.SetSphereRadius( 1.500 * axes2.GetSphereRadius() );
tprop2 = axes2.GetXAxisCaptionActor2D()
tprop2.GetCaptionTextProperty();
assembly = vtk.vtkPropAssembly();
assembly.AddPart( axes2 );
assembly.AddPart( cube );
widget = vtk.vtkOrientationMarkerWidget();
widget.SetOutlineColor( 0.9300, 0.5700, 0.1300 );
widget.SetOrientationMarker( assembly );
widget.SetInteractor( iren1 );
widget.SetViewport( 0.0, 0.0, 0.4, 0.4 );
widget.SetEnabled( 1 );
widget.InteractiveOff();
# Set Up Camera view
renderer1.SetBackground(0.0, 0.0, 0.0)
camera = renderer1.GetActiveCamera()
# bounds and initialize camera
b = image.GetBounds()
renderer1.ResetCamera(b)
renderer1.ResetCameraClippingRange()
camera.SetViewUp(0.0,-1.0,0.0)
camera.Azimuth(315)
# Create a text property for both cube axes
tprop = vtk.vtkTextProperty()
tprop.SetColor(1, 1, 1)
tprop.ShadowOff()
# Create a vtkCubeAxesActor2D. Use the outer edges of the bounding box to
# draw the axes. Add the actor to the renderer.
axes = vtk.vtkCubeAxesActor2D()
axes.SetInput(image)
axes.SetCamera(renderer1.GetActiveCamera())
axes.SetLabelFormat("%6.4g")
axes.SetFlyModeToOuterEdges()
axes.SetFontFactor(1.2)
axes.SetAxisTitleTextProperty(tprop)
axes.SetAxisLabelTextProperty(tprop)
renderer1.AddViewProp(axes)
############
# Place the interactor initially. The input to a 3D widget is used to
# initially position and scale the widget. The "EndInteractionEvent" is
# observed which invokes the SelectPolygons callback.
# boxWidget.SetInput(image)
# boxWidget.PlaceWidget()
# boxWidget.AddObserver("InteractionEvent", SelectPolygons)
# boxWidget.On()
# Initizalize
# Set up the interaction
interactorStyle = vtk.vtkInteractorStyleImage()
interactor = vtk.vtkRenderWindowInteractor()
interactor.SetInteractorStyle(interactorStyle)
renWin1.SetInteractor(interactor)
renWin1.Render()
renderer1.Render()
interactor.Start()
renderer1.RemoveViewProp(axes)
return transform_cube, zImagePlaneWidget.GetSliceIndex()
def initView(self, data, widget):
image_type = data.getITKImageType()
self.image = data.getITKImage()
self.space = data.getResolution().tolist()
if len(self.space) == 3:
self.space = [float(x) / self.space[-1] for x in self.space]
self.image.SetSpacing(self.space)
self.rescale_filter = itk.RescaleIntensityImageFilter[image_type, image_type].New()
self.rescale_filter.SetOutputMinimum(0)
self.rescale_filter.SetOutputMaximum(255)
self.rescale_filter.SetInput(self.image)
self.itk_vtk_converter = itk.ImageToVTKImageFilter[image_type].New()
self.itk_vtk_converter.SetInput(self.rescale_filter.GetOutput())
self.image_resample = vtk.vtkImageResample()
self.image_resample.SetInput(self.itk_vtk_converter.GetOutput())
data = self.parent.getData()
image_type = data.getITKImageType()
self.image2 = data.getITKImage()
self.space2 = data.getResolution().tolist()
if len(self.space2) == 3:
self.space2 = [float(x) / self.space2[-1] for x in self.space2]
self.image2.SetSpacing(self.space2)
shapeList = data.getData().shape
y, x = shapeList[-2], shapeList[-1]
self.dimension = len(shapeList) == 2
self.rescale_filter2 = itk.RescaleIntensityImageFilter[image_type, image_type].New()
self.rescale_filter2.SetOutputMinimum(0)
self.rescale_filter2.SetOutputMaximum(255)
self.rescale_filter2.SetInput(self.image2)
self.itk_vtk_converter2 = itk.ImageToVTKImageFilter[image_type].New()
self.itk_vtk_converter2.SetInput(self.rescale_filter2.GetOutput())
self.image_resample2 = vtk.vtkImageResample()
self.image_resample2.SetInput(self.itk_vtk_converter2.GetOutput())
self.checkers = vtk.vtkImageCheckerboard()
self.checkers.SetInput1(self.image_resample.GetOutput())
self.checkers.SetInput2(self.image_resample2.GetOutput())
self.division = 3
self.checkers.SetNumberOfDivisions(self.division, self.division, 0)
self.renderer = vtk.vtkRenderer()
self.render_window = widget.GetRenderWindow()
self.render_window.AddRenderer(self.renderer)
self.reslice_mapper = vtk.vtkImageResliceMapper()
self.reslice_mapper.SetInput(self.checkers.GetOutput())
self.reslice_mapper.SliceFacesCameraOn()
self.reslice_mapper.SliceAtFocalPointOn()
self.reslice_mapper.JumpToNearestSliceOn()
self.reslice_mapper.BorderOff()
self.reslice_mapper.BackgroundOn()
array = data.getData()
self.minI = 0
self.maxI = 255
image_property = vtk.vtkImageProperty()
image_property.SetColorWindow(self.maxI - self.minI)
image_property.SetColorLevel((self.maxI + self.minI) / 2.0)
image_property.SetAmbient(0.0)
image_property.SetDiffuse(1.0)
image_property.SetOpacity(1.0)
image_property.SetInterpolationTypeToLinear()
self.image_slice = vtk.vtkImageSlice()
self.image_slice.SetMapper(self.reslice_mapper)
self.image_slice.SetProperty(image_property)
self.renderer.AddViewProp(self.image_slice)
self.window_interactor = vtk.vtkRenderWindowInteractor()
self.interactor_style = vtk.vtkInteractorStyleImage()
self.interactor_style.SetInteractionModeToImage3D()
self.window_interactor.SetInteractorStyle(self.interactor_style)
self.render_window.SetInteractor(self.window_interactor)
point_picker = vtk.vtkPointPicker()
self.window_interactor.SetPicker(point_picker)
self.render_window.GlobalWarningDisplayOff()
self.render_window.Render()
self.camera = self.renderer.GetActiveCamera()
self.camera.ParallelProjectionOn()
w, h = self.window_interactor.GetSize()
if h * x * self.space[0] < w * y * self.space[1]:
scale = y / 2.0 * self.space[1]
else:
scale = h * x * self.space[0] / 2.0 / w
self.camera.SetParallelScale(scale)
point = self.camera.GetFocalPoint()
dis = self.camera.GetDistance()
self.camera.SetViewUp(0, -1, 0)
self.camera.SetPosition(point[0], point[1], point[2] - dis)
self.renderer.ResetCameraClippingRange()
# View of image
self.view = 2
self.interactor_style.AddObserver("MouseMoveEvent", self.MouseMoveCallback)
self.interactor_style.AddObserver("LeftButtonReleaseEvent", self.LeftButtonReleaseCallback)
self.interactor_style.AddObserver("LeftButtonPressEvent", self.LeftButtonPressCallback)
self.interactor_style.AddObserver("MiddleButtonPressEvent", self.MiddleButtonPressCallback)
self.interactor_style.AddObserver("RightButtonPressEvent", self.RightButtonPressCallback)
self.interactor_style.AddObserver("RightButtonReleaseEvent", self.RightButtonReleaseCallback)
self.interactor_style.AddObserver("KeyPressEvent", self.KeyPressCallback)
self.interactor_style.AddObserver("CharEvent", self.CharCallback)
self.updateAfter()
self.render_window.Render()
def display_and_query(self):
# Convert images to VTK data structures
fixedVTKImage = self.fixedCL.toVTKImage()
movingVTKImage = self.movingCL.toVTKImage()
# Viewing parameters
fixedFrame = self.get_frame(self.fixedCL.clarray.get())
movingFrame = self.get_frame(self.movingCL.clarray.get())
N = self.panelSize
fixedShape = self.fixedCL.shape
XC = [0, 0, 0]
for d in range(3):
XC[d] = fixedShape[d] / 2.0
#
# Create panel of views for fixed and moving image, with likely optimal
# orientations
#
fixedArray = np.zeros((N*3, N*3), np.single)
movingArray = np.zeros((N*3, N*3), np.single)
for r in range(3):
for c in range(3):
V = self.get_slicing_matrix(fixedFrame[:,r], movingFrame[:,c])
A = np.zeros((4,4))
A[0:3,0] = V[:,0]
A[0:3,1] = V[:,1]
A[0:3,2] = V[:,2]
A[0,3] = XC[0]
A[1,3] = XC[1]
A[2,3] = XC[2]
A[3,3] = 1.0
resliceAxes = vtk.vtkMatrix4x4()
resliceAxes.DeepCopy(A.ravel().tolist())
reslicef = vtk.vtkImageReslice()
reslicef.SetInput(fixedVTKImage)
reslicef.SetInformationInput(fixedVTKImage)
reslicef.SetOutputExtent(0, N-1, 0, N-1, 0, 0)
reslicef.SetOutputDimensionality(2)
reslicef.SetResliceAxes(resliceAxes)
reslicef.SetInterpolationModeToLinear()
reslicef.Update()
fixedSlice = vtk.util.numpy_support.vtk_to_numpy(
reslicef.GetOutput().GetPointData().GetScalars() ).reshape(N, N)
fixedSlice = np.transpose(fixedSlice)
fixedArray[r*N:(r+1)*N, c*N:(c+1)*N] = fixedSlice
resliceAxes = vtk.vtkMatrix4x4()
resliceAxes.DeepCopy(A.ravel().tolist())
reslicef = vtk.vtkImageReslice()
reslicef.SetInput(movingVTKImage)
reslicef.SetInformationInput(movingVTKImage)
reslicef.SetOutputExtent(0, N-1, 0, N-1, 0, 0)
reslicef.SetOutputDimensionality(2)
reslicef.SetResliceAxes(resliceAxes)
reslicef.SetInterpolationModeToLinear()
reslicef.Update()
movingSlice = vtk.util.numpy_support.vtk_to_numpy(
reslicef.GetOutput().GetPointData().GetScalars() ).reshape(N, N)
movingSlice = np.transpose(movingSlice)
movingArray[r*N:(r+1)*N, c*N:(c+1)*N] = movingSlice
#
# Display panel of views with blending slider
#
def normalize(arr):
minv = arr.min()
maxv = arr.max()
rangev = maxv - minv
if rangev <= 0.0:
return arr
return (arr - minv) / rangev
fixedArray = normalize(fixedArray)
movingArray = normalize(movingArray)
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.SetWindowName("Image Alignment Query")
renWin.SetSize(800, 800)
renWin.AddRenderer(ren)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
dataImporter = vtk.vtkImageImport()
fixedArray_vtkorder = np.asfortranarray(fixedArray)
fixedArray_vtkorder = fixedArray.transpose()
##dataImporter.CopyImportVoidPointer(fixedArray_vtkorder, fixedArray_vtkorder.nbytes)
#dataImporter.CopyImportVoidPointer(fixedArray, fixedArray.nbytes)
displayArray = np.uint8(fixedArray * 255)
dataImporter.CopyImportVoidPointer(displayArray, displayArray.nbytes)
#dataImporter.SetDataScalarTypeToFloat()
dataImporter.SetDataScalarTypeToUnsignedChar()
dataImporter.SetNumberOfScalarComponents(1)
dataImporter.SetDataExtent(0, N*3-1, 0, N*3-1, 0, 0)
dataImporter.SetWholeExtent(0, N*3-1, 0, N*3-1, 0, 0)
dataImporter.Update()
imageActor = vtk.vtkImageActor()
imageActor.SetInput(dataImporter.GetOutput())
imageActor.SetPosition(100.0, 100.0, 0.0)
imageActor.SetZSlice(0)
imageActor.PickableOn()
imageStyle = vtk.vtkInteractorStyleImage()
iren.SetInteractorStyle(imageStyle)
ren.AddActor(imageActor)
def slider_callback(obj, event):
# Get slider value
alpha = obj.GetRepresentation().GetValue()
displayArray = fixedArray * alpha + movingArray * (1.0 - alpha)
#minI = displayArray.min()
#maxI = displayArray.max()
#displayArray = (displayArray - minI) / (maxI - minI) * 255
#displayArray = np.uint8(displayArray)
#displayArray = np.uint8(normalize(displayArray) * 255)
displayArray = np.uint8(displayArray * 255)
dataImporter.CopyImportVoidPointer(displayArray, displayArray.nbytes)
sliderRep = vtk.vtkSliderRepresentation2D()
sliderRep.SetMinimumValue(0.0)
sliderRep.SetMaximumValue(1.0)
sliderRep.SetValue(1.0)
#sliderRep.SetTitleText("Fixed vs moving")
sliderRep.GetPoint1Coordinate().SetCoordinateSystemToNormalizedDisplay()
sliderRep.GetPoint1Coordinate().SetValue(0.2, 0.1)
sliderRep.GetPoint2Coordinate().SetCoordinateSystemToNormalizedDisplay()
sliderRep.GetPoint2Coordinate().SetValue(0.8, 0.1)
sliderWidget = vtk.vtkSliderWidget()
sliderWidget.SetInteractor(iren)
sliderWidget.SetRepresentation(sliderRep)
sliderWidget.AddObserver("InteractionEvent", slider_callback)
sliderWidget.EnabledOn()
#ren.InteractiveOff()
renWin.AddRenderer(ren)
picker = vtk.vtkPropPicker()
#picker = vtk.vtkWorldPointPicker()
picker.PickFromListOn()
picker.AddPickList(imageActor)
self.queryRowColumn = (0, 0)
def pick_callback(obj, event):
mousePos = obj.GetEventPosition()
picker.PickProp(mousePos[0], mousePos[1], ren)
p = picker.GetPickPosition()
c = round( (p[0]-100) / (3*N) * 2 )
r = round( (p[1]-100) / (3*N) * 2 )
if r < 0 or r >= 3 or c < 0 or c >= 3:
print "Outside"
return
print "Image row", r, "col", c
self.queryRowColumn = (r, c)
iren.GetRenderWindow().Finalize()
iren.TerminateApp()
iren.SetPicker(picker)
iren.AddObserver("LeftButtonPressEvent", pick_callback)
renWin.Render()
iren.Start()
# Return selection of a view in panel
r, c = self.queryRowColumn
fixedSlice = fixedArray[r*N:(r+1)*N, c*N:(c+1)*N]
movingSlice = movingArray[r*N:(r+1)*N, c*N:(c+1)*N]
return fixedSlice, movingSlice, fixedFrame[:,r], movingFrame[:,c]