I added two actor stl files to an imageviewer but the actors are placed behind the 2D image in every view. Is there a way to put the 3D files in front of the 2D image?
here is the code:
#First STL file
reader = vtk.vtkSTLReader()
reader.SetFileName(filename)
self.transform = vtk.vtkTransform()
self.transform.Scale(1, 1, 1)
self.transformFilter = vtk.vtkTransformPolyDataFilter()
self.transformFilter.SetTransform(self.transform)
self.transformFilter.SetInputConnection(reader.GetOutputPort())
self.transformFilter.Update()
center = vtk.vtkCenterOfMass()
center.SetInputData(reader.GetOutput())
center.SetUseScalarsAsWeights(False)
center.Update()
center_x, center_y, center_z = center.GetCenter()
self.transform.Translate(-center_x, -center_y, -center_z)
mapper = vtk.vtkPolyDataMapper()
if vtk.VTK_MAJOR_VERSION <= 5:
mapper.SetInput(self.transformFilter.GetOutput())
else:
mapper.SetInputConnection(self.transformFilter.GetOutputPort())
self.actor = vtk.vtkActor()
#Second STL file
reader1 = vtk.vtkSTLReader()
reader1.SetFileName(filename1)
self.transform1 = vtk.vtkTransform()
self.transform1.Scale(1, 1, 1)
self.transformFilter1 = vtk.vtkTransformPolyDataFilter()
self.transformFilter1.SetTransform(self.transform1)
self.transformFilter1.SetInputConnection(reader1.GetOutputPort())
self.transformFilter1.Update()
center1 = vtk.vtkCenterOfMass()
center1.SetInputData(reader1.GetOutput())
center1.SetUseScalarsAsWeights(False)
center1.Update()
center1_x, center1_y, center1_z = center1.GetCenter()
self.transform1.Translate(-center1_x, -center1_y, -center1_z)
mapper1 = vtk.vtkPolyDataMapper()
if vtk.VTK_MAJOR_VERSION <= 5:
mapper1.SetInput(self.transformFilter1.GetOutput())
else:
mapper1.SetInputConnection(self.transformFilter1.GetOutputPort())
self.actor1 = vtk.vtkActor()
self.vtkwidget = QVTKRenderWindowInteractor(self.centralwidget)
self.gridLayout.addWidget(self.vtkwidget, 0, 0, 1, 1)
self.ren = vtk.vtkRenderer()
self.vtkwidget.GetRenderWindow().AddRenderer(self.ren)
self.iren = self.vtkwidget.GetRenderWindow().GetInteractor()
#X ray File
reader3 = vtk.vtkDICOMImageReader()
reader3.SetDirectoryName(pathDicomDir)
reader3.Update()
extent = reader3.GetOutput().GetExtent()
spacing = reader3.GetOutput().GetSpacing()
print(extent)
print(spacing)
viewer = vtk.vtkResliceImageViewer()
viewer.SetInputData(reader3.GetOutput())
viewer.SetRenderWindow(self.vtkwidget.GetRenderWindow())
viewer.Render()
self.actor.SetMapper(mapper)
self.actor1.SetMapper(mapper1)
viewer.GetRenderer().AddActor(self.actor)
viewer.GetRenderer().AddActor(self.actor1)
self.iren.Start()
and here is the picture:
