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CombinedSlice.py
153 lines (131 loc) · 5.78 KB
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CombinedSlice.py
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import vtk
class CombinedSliceViewer(object):
def __init__(self, data_dir,Mreader,Vreader):
# inv,inc,iniv,inxi,inxc Volume
# in9,in99,inim,ins Actors
planes = vtk.vtkPlane()
#planes.SetOrigin(0,-1,0)
#planes.SetNormal(1,0,0)
planeC = vtk.vtkPlaneCollection()
planeC.AddItem(planes)
######################################################
# Strip, Clip, Mapper, Actor
# Stripper for getting smooth poly outlines,
# gives circle and not random triangles
stripper = vtk.vtkStripper()
stripper.SetInputConnection(Mreader.GetOutputPort())
# Clipper for PLANE 1 Stripper 1
clipper = vtk.vtkClipClosedSurface()
clipper.SetInputConnection(stripper.GetOutputPort())
#clip.Update()
clipperOutline = vtk.vtkClipClosedSurface()
clipperOutline.SetInputConnection(stripper.GetOutputPort())
clipperOutline.SetClippingPlanes(planeC)
clipperOutline.GenerateFacesOff()
clipperOutline.GenerateOutlineOn()
innerNorms = vtk.vtkTriangleMeshPointNormals()
innerNorms.SetInputConnection(Mreader.GetOutputPort())
innerMapper = vtk.vtkOpenGLPolyDataMapper()
innerMapper.SetInputConnection(innerNorms.GetOutputPort())
innerActor = vtk.vtkActor()
innerActor.SetMapper(innerMapper)
clipMapper = vtk.vtkImageFlip()
clipMapper = vtk.vtkPolyDataMapper()
clipMapper.SetInputConnection(clipper.GetOutputPort())
clipActor = vtk.vtkActor()
clipActor.SetMapper(clipMapper)
clipActor.GetProperty().SetColor(1,0.5,0.5)
clipActor.GetProperty().SetOpacity(0.5)
clipActor.SetPosition(0.001,0.001,0.001)
clipperOutlineMapper = vtk.vtkPolyDataMapper()
clipperOutlineMapper.SetInputConnection(clipperOutline.GetOutputPort())
clipOutlineActor = vtk.vtkActor()
clipOutlineActor.SetMapper(clipperOutlineMapper)
clipOutlineActor.GetProperty().SetColor(0,1,0)
clipOutlineActor.SetPosition(0.001,0.001,0.001)
tfun = vtk.vtkPiecewiseFunction()
tfun.AddPoint(0,0)
tfun.AddPoint(1600,0.05)
tfun.AddPoint(2500,0.15)
tfun.AddPoint(2400, 0.0)
tfun.AddPoint(2540, 0.97)
volumeMapper = vtk.vtkGPUVolumeRayCastMapper()
volumeMapper.SetInputConnection(Vreader.GetOutputPort())
volumeMapper.SetBlendModeToComposite()
volumeProperty = vtk.vtkVolumeProperty()
volumeProperty.SetScalarOpacity(tfun)
volumeProperty.SetInterpolationTypeToLinear()
volumeProperty.ShadeOn()
newvol = vtk.vtkVolume()
newvol.SetMapper(volumeMapper)
newvol.SetProperty(volumeProperty)
#######################
planeWidget = vtk.vtkImagePlaneWidget()
planeWidget.RestrictPlaneToVolumeOn()
planeWidget.SetInputConnection(Mreader.GetOutputPort())
planeWidget.RestrictPlaneToVolumeOn()
planeWidget.GetResliceOutput()
rsx = planeWidget.GetResliceAxes()
#planeWidget.SetSliceIndex(52)
#planeWidget.SetOrigin(1,-1,-1)
planeWidget.SetResliceInterpolateToLinear()
planeWidget.PlaceWidget()
#planeWidget.SetInteractor(iren)
px = planeWidget.GetSlicePosition()
#Cut(px)
#clipActor.VisibilityOn()
def UpdateMesh(obj, event):
#global planes, clipActor
obj.GetNormal()
planes.SetNormal(obj.GetNormal())
planes.SetOrigin(obj.GetOrigin())
clipper.SetClippingPlanes(planeC)
clipActor.VisibilityOn()
planesS = vtk.vtkPlanes()
def ClipVolumeRender(obj, event):
#global planes, volumeMapper
planes.SetOrigin(obj.GetOrigin())
x2 = obj.GetOrigin()[0]
y2 = obj.GetOrigin()[1]
z2 = obj.GetOrigin()[2]
x3 = obj.GetPoint1()[0]
y3 = obj.GetPoint1()[1]
z3 = obj.GetPoint1()[2]
x1 = obj.GetPoint2()[0]
y1 = obj.GetPoint2()[1]
z1 = obj.GetPoint2()[2]
a1 = x2 - x1
b1 = y2 - y1
c1 = z2 - z1
a2 = x3 - x1
b2 = y3 - y1
c2 = z3 - z1
a = b1 * c2 - b2 * c1
b = a2 * c1 - a1 * c2
c = a1 * b2 - b1 * a2
d = (- a * x1 - b * y1 - c * z1)
#level1 = list([x,y,z,0,x,y,z,0,x,y,z,0,x,y,z,0,x,y,z,0,x,y,z,0])
level1 = list([-a,-b,-c,-d,-a,-b,-c,-d,-a,-b,-c,-d,-a,-b,-c,-d,-a,-b,-c,-d,-a,-b,-c,-d])
print(a,b,c,d)
planesS.SetFrustumPlanes(level1)
#level2 = list([xMin,xMax, yMin,yMax,zMin,zMax])
#planesS.SetBounds(level2)
#planesS.SetNormals(obj.GetNormal())
#planesS.GetPlane(0,planes)
volumeMapper.SetClippingPlanes(planesS)
#print(planesS.GetPoints())
newvol.VisibilityOn()
ClipVolumeRender(planeWidget, "STR")
UpdateMesh(planeWidget, "STR")
#planeWidget.AddObserver("EndInteractionEvent", CutMesh)
#planeWidget.AddObserver("StartInteractionEvent", StartInteraction)
planeWidget.AddObserver("InteractionEvent", UpdateMesh)
#planeWidget.AddObserver("EndInteractionEvent", CutMesh)
planeWidget.AddObserver("InteractionEvent", ClipVolumeRender)
#planeWidget.AddObserver("EndInteractionEvent", EndInteraction)
self.planeWidget = planeWidget
#self.reader = reader
self.clipActor = clipActor
#ren1.AddActor(VActor)
self.newvol = newvol
self.clipOutlineActor = clipOutlineActor