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Assignment1.py
250 lines (244 loc) · 11.1 KB
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Assignment1.py
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from vtk import *
import Tkinter, tkSimpleDialog, tkFileDialog, tkMessageBox, tkColorChooser
plane = vtkPlane()
class isosurface:
def __init__(self,inputConnection,value,R,G,B,opacity):
self.value = value
self.R = R
self.G = G
self.B = B
self.opacity = opacity
self.isoobj = vtkImageMarchingCubes()
self.isoobj.SetValue(0,value)
self.isoobj.SetInputConnection(inputConnection)
self.mapper = vtkPolyDataMapper()
self.mapper.SetInputConnection(self.isoobj.GetOutputPort())
self.mapper.ScalarVisibilityOff()
self.actor = vtkActor()
self.actor.SetMapper(self.mapper)
# Ugly hack. Why do color values < 1 not work?
self.actor.GetProperty().SetColor(2*R/255,2*G/255,2*B/255)
self.actor.GetProperty().SetOpacity(opacity)
def __str__(self):
#return "("+str(self.R)+","+str(self.G)+","+str(self.B)+","+str(self.opacity)+") @ "+str(self.value)
return "(%d,%d,%d,%.2f) @ %.2f)"%(self.R,self.G,self.B,self.opacity,self.value)
class cuttingplane:
def __init__(self,inputConnection,origin,normal):
self.origin = origin
self.normal = normal
self.cutter = vtkCutter()
self.plane = vtkPlane()
self.plane.SetOrigin(origin)
self.plane.SetNormal(normal)
self.cutter.SetCutFunction(self.plane)
self.cutter.SetInputConnection(inputConnection)
self.cutterMapper = vtkPolyDataMapper()
self.cutterMapper.SetInputConnection(self.cutter.GetOutputPort())
self.actor = vtkActor()
self.actor.SetMapper(self.cutterMapper)
def __str__(self):
#return "O:("+str(self.origin[0])+","+str(self.origin[1])+","+str(self.origin[2])+") N:("+str(self.normal[0])+","+str(self.normal[1])+","+str(self.normal[2])+")"
return "O:(%.2f,%.2f,%.2f) N:(%.2f,%.2f,%.2f)"%(self.origin[0],self.origin[1],self.origin[2],self.normal[0],self.normal[1],self.normal[2])
# Set up windows
root = Tkinter.Tk()
class App:
ren = vtkRenderer()
renWin = vtkRenderWindow()
renWinIn = vtkRenderWindowInteractor()
reader = vtkMetaImageReader()
isos =[]
outline = vtkOutlineFilter()
outlineMapper = vtkPolyDataMapper()
outlineActor = vtkActor()
def loaddata(self):
filename = tkFileDialog.askopenfilename(parent=root,initialfile='HeadMRVolume.mhd')
self.reader.SetFileName(filename)
self.reader.Update()
extent=self.reader.GetOutput().GetExtent()
spacing = self.reader.GetOutput().GetSpacing()
self.center = ((extent[0]+extent[1])*spacing[0]/2,(extent[2]+extent[3])*spacing[1]/2,(extent[4]+extent[5])*spacing[2]/2)
def __init__(self,master):
master.title("pa1 Thadeus Fleming")
button_loaddata = Tkinter.Button(master, text="Load Data",command=self.loaddata)
self.outlineOn=Tkinter.IntVar()
button_outline = Tkinter.Checkbutton(master,text="Outline",variable=self.outlineOn,command=self.toggleOutline)
button_outline.select()
self.isosOn=Tkinter.IntVar()
self.button_isosurface = Tkinter.Checkbutton(master, text="Isosurfaces",variable=self.isosOn,command=self.toggleIsos)
self.cutplaneOn=Tkinter.IntVar()
self.button_cutplane = Tkinter.Checkbutton(master, text="Cutting Planes",variable=self.cutplaneOn,command=self.toggleCutplane)
self.volumerenderingOn = Tkinter.IntVar()
self.button_volumerendering = Tkinter.Checkbutton(master, text="Volume Rendering",variable=self.volumerenderingOn,command=self.toggleVolumerendering)
button_render = Tkinter.Button(master, text="Transform",command=self.render)
button_quit = Tkinter.Button(master, text="Quit",command=master.quit)
button_loaddata.grid(sticky=Tkinter.W+Tkinter.E)
button_outline.grid(sticky=Tkinter.W+Tkinter.E)
self.button_isosurface.grid(sticky=Tkinter.W+Tkinter.E)
self.button_cutplane.grid(sticky=Tkinter.W+Tkinter.E)
self.button_volumerendering.grid(sticky=Tkinter.W+Tkinter.E)
button_render.grid(sticky=Tkinter.W+Tkinter.E)
button_quit.grid(sticky=Tkinter.W+Tkinter.E)
# Isosurface Window
self.isosurfaces = []
self.isowin = Tkinter.Toplevel()
self.isowin.title("Isosurfaces")
self.isolist = Tkinter.Listbox(self.isowin,width=25)
button_addiso = Tkinter.Button(self.isowin, text="Add",command=self.addIso)
button_editiso = Tkinter.Button(self.isowin, text="Edit",command=lambda: self.editIso(self.isolist.index(Tkinter.ACTIVE)))
button_removeiso = Tkinter.Button(self.isowin, text="Remove",command=lambda: self.delIso(self.isolist.index(Tkinter.ACTIVE)))
button_clearisos = Tkinter.Button(self.isowin, text="Clear",command=self.clearIsos)
button_close = Tkinter.Button(self.isowin, text="Close",command=self.closeIsoWindow)
self.isolist.grid(column=1,rowspan=5)
button_addiso.grid(column=2,row=0,sticky=Tkinter.W+Tkinter.E)
button_editiso.grid(column=2,row=1,sticky=Tkinter.W+Tkinter.E)
button_removeiso.grid(column=2,row=2,sticky=Tkinter.W+Tkinter.E)
button_clearisos.grid(column=2,row=3,sticky=Tkinter.W+Tkinter.E)
button_close.grid(column=2,row=4,sticky=Tkinter.W+Tkinter.E)
self.isowin.withdraw()
# Cutting Plane Window
self.cuttingplanes = []
self.cpwin = Tkinter.Toplevel()
self.cpwin.title("Cutting Planes")
self.cplist = Tkinter.Listbox(self.cpwin,width=42)
button_addcp = Tkinter.Button(self.cpwin, text="Add",command=lambda: self.addCP(self.center))
button_editcp = Tkinter.Button(self.cpwin, text="Edit",command=lambda: self.editCP(self.cplist.index(Tkinter.ACTIVE)))
button_removecp = Tkinter.Button(self.cpwin, text="Remove",command=lambda: self.delCP(self.cplist.index(Tkinter.ACTIVE)))
button_clearcps = Tkinter.Button(self.cpwin, text="Clear",command=self.clearCPs)
button_close = Tkinter.Button(self.cpwin, text="Close",command=self.closecpWindow)
self.cplist.grid(column=1,rowspan=5)
button_addcp.grid(column=2,row=0,sticky=Tkinter.W+Tkinter.E)
button_editcp.grid(column=2,row=1,sticky=Tkinter.W+Tkinter.E)
button_removecp.grid(column=2,row=2,sticky=Tkinter.W+Tkinter.E)
button_clearcps.grid(column=2,row=3,sticky=Tkinter.W+Tkinter.E)
button_close.grid(column=2,row=4,sticky=Tkinter.W+Tkinter.E)
self.cpwin.withdraw()
# Set up VTK stuff
self.ren.SetBackground(0,0,0)
self.renWinIn.SetRenderWindow(self.renWin)
self.renWin.AddRenderer(self.ren)
self.renWin.SetSize(800,600)
self.loaddata()
self.outline.SetInputConnection(self.reader.GetOutputPort())
self.outlineMapper.SetInputConnection(self.outline.GetOutputPort())
self.outlineActor.SetMapper(self.outlineMapper)
self.ren.AddActor(self.outlineActor)
self.renWin.Render()
def render(self):
tkMessageBox.showinfo("Instructions:", "Rotate with LMB. Pan with MMB. Zoom with scroll wheel or RMB. Reset view with r. Press q to return.")
self.renWinIn.Initialize()
self.renWinIn.Start()
def toggleOutline(self):
self.outlineActor.SetVisibility(self.outlineOn.get())
self.renWin.Render()
def toggleIsos(self):
if self.isosOn.get() == 1:
self.isowin.deiconify()
for i in self.isosurfaces:
self.ren.AddActor(i.actor)
self.renWin.Render()
else:
self.isowin.withdraw()
for i in self.isosurfaces:
self.ren.RemoveActor(i.actor)
self.renWin.Render()
def toggleCutplane(self):
if self.cutplaneOn.get() == 1:
self.cpwin.deiconify()
for i in self.cuttingplanes:
self.ren.AddActor(i.actor)
self.renWin.Render()
else:
self.cpwin.withdraw()
for i in self.cuttingplanes:
self.ren.RemoveActor(i.actor)
self.renWin.Render()
def toggleVolumerendering(self):
pass
def addIso(self):
isovalue=tkSimpleDialog.askfloat("Isosurface Level","What function value should the isosurface be at?")
isocolor = tkColorChooser.askcolor(title="Isosurface Color")
isoopacity = tkSimpleDialog.askfloat("Isosurface Opacity","What opacity should the isosurface have? 0 = transparent.")
surf = isosurface(self.reader.GetOutputPort(),isovalue,isocolor[0][0],isocolor[0][1],isocolor[0][2],isoopacity)
self.isosurfaces.append(surf)
self.isolist.insert(Tkinter.END,str(surf))
self.ren.AddActor(surf.actor)
self.renWin.Render()
def delIso(self,i):
self.ren.RemoveActor(self.isosurfaces[i].actor)
del self.isosurfaces[i]
self.isolist.delete(i)
self.renWin.Render()
def editIso(self,i):
isovalue=tkSimpleDialog.askfloat("Isosurface Level","What function value should the isosurface be at?",initialvalue=self.isosurfaces[i].value)
isocolor = tkColorChooser.askcolor(initialcolor=(self.isosurfaces[i].R,self.isosurfaces[i].G,self.isosurfaces[i].B),title="Isosurface Color")
isoopacity = tkSimpleDialog.askfloat("Isosurface Opacity","What opacity should the isosurface have? 0 = transparent.",initialvalue=self.isosurfaces[i].opacity)
surf = isosurface(self.reader.GetOutputPort(),isovalue,isocolor[0][0],isocolor[0][1],isocolor[0][2],isoopacity)
self.delIso(i)
self.isosurfaces.append(surf)
self.isolist.insert(Tkinter.END,str(surf))
self.ren.AddActor(surf.actor)
self.renWin.Render()
def clearIsos(self):
for i in range (0,self.isolist.size()):
self.delIso(0)
self.renWin.Render()
def closeIsoWindow(self):
self.button_isosurface.deselect()
self.toggleIsos()
self.renWin.Render()
def addCP(self,origin=(0,0,0),normal=(1,1,1)):
tkMessageBox.showinfo("Instructions:", "The rendering window will appear. Maneuver the plane into the position you want it in and press the q key.")
self.planewidget = vtkImplicitPlaneWidget()
self.planewidget.SetInput(self.reader.GetOutput())
self.planewidget.SetInteractor(self.renWinIn)
self.planewidget.SetPlaceFactor(1)
self.planewidget.PlaceWidget()
self.planewidget.SetOrigin(origin)
self.planewidget.SetNormal(normal)
self.planewidget.AddObserver("InteractionEvent",cpinteractioncallback)
global plane
cutter = vtkCutter()
self.planewidget.On()
self.planewidget.GetPlane(plane)
self.planewidget.DrawPlaneOff()
self.planewidget.OutlineTranslationOff()
cutter.SetCutFunction(plane)
cutter.SetInputConnection(self.reader.GetOutputPort())
cutterMapper = vtkPolyDataMapper()
cutterMapper.SetInputConnection(cutter.GetOutputPort())
cutterActor = vtkActor()
cutterActor.SetMapper(cutterMapper)
self.ren.AddActor(cutterActor)
self.renWinIn.Initialize()
self.renWinIn.Start()
origin = self.planewidget.GetOrigin()
normal = self.planewidget.GetNormal()
self.planewidget.Off()
self.ren.RemoveActor(cutterActor)
cp = cuttingplane(self.reader.GetOutputPort(),origin,normal)
self.cuttingplanes.append(cp)
self.cplist.insert(Tkinter.END,str(cp))
self.ren.AddActor(cp.actor)
self.renWin.Render()
def delCP(self,i):
self.ren.RemoveActor(self.cuttingplanes[i].actor)
del self.cuttingplanes[i]
self.cplist.delete(i)
self.renWin.Render()
pass
def editCP(self,i):
self.addCP(self.cuttingplanes[i].origin,self.cuttingplanes[i].normal)
self.delCP(i)
def clearCPs(self):
for i in range (0,self.cplist.size()):
self.delCP(0)
self.renWin.Render()
def closecpWindow(self):
self.button_cutplane.deselect()
self.toggleCutplane()
self.renWin.Render()
def cpinteractioncallback(obj, event):
global plane
obj.GetPlane(plane)
app = App(root)
root.mainloop()