示例#1
0
class MandersPlugin(ImageListener, WindowAdapter):

	def __init__(self):
		self.imp = None
		self.preview = None
		self.createMainWindow()
		self.cells = None
		self.files = []
		self.results = ResultsTable()
		ImagePlus.addImageListener(self)
		self.selectInputDir()
		self.selectOutputDir()
		self.pairs = []
		self.methods = []
		self.processNextFile()

	def selectInputDir(self):
		inputDialog = DirectoryChooser("Please select a directory contaning your images")
		inputDir = inputDialog.getDirectory()
		for imageFile in os.listdir(inputDir):
			self.files.append(inputDir + imageFile)

	def selectOutputDir(self):
		outputDialog = DirectoryChooser("Please select a directory to save your results")
		self.outputDir = outputDialog.getDirectory()
		
	def closeImage(self):
		if self.imp is not None:
			self.imp.close()
			self.imp = None
		if self.preview is not None:
			self.preview.close()
			self.preview = None

	def openImage(self, imageFile):
		try:
			images = BF.openImagePlus(imageFile)
			self.imp = images[0]
		except UnknownFormatException:
			return None
		if self.imp.getNChannels() < 2:
			IJ.error("Bad image format", "Image must contain at lease 2 channels!")
			return None
		if not self.pairs or \
			not self.methods:
			self.getOptionsDialog(self.imp)
		title = self.imp.title
		self.imp.title = title[:title.rfind('.')]
		return self.imp

	def getOptionsDialog(self, imp):
		thr_methods = ["None", "Default", "Huang", "Intermodes", "IsoData",  "Li", "MaxEntropy","Mean", "MinError(I)", "Minimum", "Moments", "Otsu", "Percentile", "RenyiEntropy", "Shanbhag" , "Triangle", "Yen"]
		gd = GenericDialog("Please select channels to collocalize")
		for i in range(1, imp.getNChannels() + 1):
			gd.addChoice("Threshold method for channel %i" % i, thr_methods, "None")
		gd.showDialog()
		if gd.wasCanceled():
			self.exit()
		channels = []
		for i in range(1, imp.getNChannels() + 1):
			method = gd.getNextChoice()
			self.methods.append(method)
			if method != "None":
				channels.append(i)
		for x in channels:
			for y in channels:
				if x < y:
					self.pairs.append((x, y))

	def processNextFile(self):
		if self.files:
			imageFile = self.files.pop(0)
			return self.processFile(imageFile)
		else:
			return False
			
	def processFile(self, imageFile):
		imp = self.openImage(imageFile)
		if imp is not None:
			cell = Cell(imp.NSlices, 1)
			self.cells = DelegateListModel([])
			self.cells.append(cell)
			self.showMainWindow(self.cells)
			if self.checkbox3D.isSelected():
				self.displayImage(imp)
			else:
				self.displayImage(imp, False)
				self.preview = self.previewImage(imp)
				self.displayImage(self.preview)
			return True
		else:
			return self.processNextFile()
	
	def displayImage(self, imp, show = True):
		imp.setDisplayMode(IJ.COMPOSITE)
		enhancer = ContrastEnhancer()
		enhancer.setUseStackHistogram(True)
		splitter = ChannelSplitter()
		for c in range(1, imp.getNChannels() + 1):
			imp.c = c
			enhancer.stretchHistogram(imp, 0.35)
		if show:
			imp.show()

	def previewImage(self, imp):
		roi = imp.getRoi()
		splitter = ChannelSplitter()
		channels = []
		for c in range(1, imp.getNChannels() + 1):
			channel = ImagePlus("Channel %i" % c, splitter.getChannel(imp, c))
			projector = ZProjector(channel)
			projector.setMethod(ZProjector.MAX_METHOD)
			projector.doProjection()
			channels.append(projector.getProjection())
		image = RGBStackMerge.mergeChannels(channels, False)
		image.title = imp.title + " MAX Intensity"
		image.luts = imp.luts
		imp.setRoi(roi)
		return image

	def getCroppedChannels(self, imp, cell):
		splitter = ChannelSplitter()
		imp.setRoi(None)
		if cell.mode3D:
			cropRoi = cell.getCropRoi()
		else:
			cropRoi = cell.roi
		if cropRoi is None:
			return None
		crop = cropRoi.getBounds()
		channels = []
		for c in range(1, imp.getNChannels() + 1):
			slices = ImageStack(crop.width, crop.height)
			channel = splitter.getChannel(imp, c)
			for z in range(1, channel.getSize() + 1):
				zslice = channel.getProcessor(z)
				zslice.setRoi(cropRoi)
				nslice = zslice.crop()
				if cell.mode3D:
					oroi = cell.slices[z - 1].roi	
				else:
					oroi = cell.roi
				if oroi is not None:
					roi = oroi.clone()
					bounds = roi.getBounds()
					roi.setLocation(bounds.x - crop.x, bounds.y - crop.y)
					nslice.setColor(Color.black)
					nslice.fillOutside(roi)
					slices.addSlice(nslice)
			channels.append(ImagePlus("Channel %i" % c, slices))
		return channels

	def getThreshold(self, imp, method):
		thresholder = Auto_Threshold()
		duplicator = Duplicator()
		tmp = duplicator.run(imp)
		return thresholder.exec(tmp, method, False, False, True, False, False, True)

	def getContainer(self, impA, impB):
		imgA = ImagePlusAdapter.wrap(impA)
		imgB = ImagePlusAdapter.wrap(impB)
		return DataContainer(imgA, imgB, 1, 1, "imageA", "imageB")

	def getManders(self, imp, cell):
	
		### Crop channels according to cell mask
		channels = self.getCroppedChannels(imp, cell)
		if channels is None:
			return None
			
		### Calculate channel thresholds
		thrs = []
		thrimps = []
		for c, method in enumerate(self.methods):
			if method != "None":
				thr, thrimp = self.getThreshold(channels[c], method)
			else:
				thr, thrimp = None, None
			thrs.append(thr)
			thrimps.append(thrimp)
		
		### Calculate manders colocalization
		manders = MandersColocalization()
		raws = []
		thrds = []
		for chA, chB in self.pairs:
			container = self.getContainer(channels[chA - 1], channels[chB - 1])
			img1 = container.getSourceImage1()
			img2 = container.getSourceImage2()
			mask = container.getMask()
			cursor = TwinCursor(img1.randomAccess(), img2.randomAccess(), Views.iterable(mask).localizingCursor())
			rtype = img1.randomAccess().get().createVariable()
			raw = manders.calculateMandersCorrelation(cursor, rtype)
			rthr1 = rtype.copy()
			rthr2 = rtype.copy()
			rthr1.set(thrs[chA - 1])
			rthr2.set(thrs[chB - 1])
			cursor.reset()
			thrd = manders.calculateMandersCorrelation(cursor, rthr1, rthr2, ThresholdMode.Above)
			raws.append(raw)
			thrds.append(thrd)
		
		return (channels, thrimps, thrs, raws, thrds)

	def saveMultichannelImage(self, title, channels, luts):
		tmp = RGBStackMerge.mergeChannels(channels, False)
		tmp.luts = luts
		saver = FileSaver(tmp)
		saver.saveAsTiffStack(self.outputDir + title + ".tif")
		tmp.close()

	def createMainWindow(self):
		self.frame = JFrame('Select cells and ROIs',
			defaultCloseOperation = JFrame.DISPOSE_ON_CLOSE
		)
		self.frame.setLayout(GridBagLayout())
		self.frame.addWindowListener(self)

		self.frame.add(JLabel("Cells"),
			GridBagConstraints(0, 0, 1, 1, 0, 0,
				GridBagConstraints.CENTER, GridBagConstraints.NONE,
				Insets(5, 2, 2, 0), 0, 0
		))
		
		self.cellList = JList(DelegateListModel([]),
			selectionMode = ListSelectionModel.SINGLE_SELECTION,
			cellRenderer = MyRenderer(),
			selectedIndex = 0,
			valueChanged = self.selectCell
		)
		self.frame.add(JScrollPane(self.cellList),
			GridBagConstraints(0, 1, 1, 5, .5, 1,
				GridBagConstraints.CENTER, GridBagConstraints.BOTH,
				Insets(0, 2, 2, 0), 0, 0
		))

		self.frame.add(JButton('Add cell', actionPerformed = self.addCell),
			GridBagConstraints(1, 2, 1, 2, 0, .25,
				GridBagConstraints.CENTER, GridBagConstraints.NONE,
				Insets(0, 0, 0, 0), 0, 0
		))
    	
		self.frame.add(JButton('Remove cell', actionPerformed = self.removeCell),
			GridBagConstraints(1, 4, 1, 2, 0, .25,
				GridBagConstraints.CENTER, GridBagConstraints.NONE,
				Insets(0, 5, 0, 5), 0, 0
		))
		
		self.frame.add(JLabel("Slices"),
			GridBagConstraints(0, 6, 1, 1, 0, 0,
				GridBagConstraints.CENTER, GridBagConstraints.NONE,
				Insets(5, 2, 2, 0), 0, 0
		))
		
		self.sliceList = JList(DelegateListModel([]),
			selectionMode = ListSelectionModel.SINGLE_SELECTION,
			cellRenderer = MyRenderer(),
			selectedIndex = 0,
			valueChanged = self.selectSlice
		)
		self.frame.add(JScrollPane(self.sliceList),
			GridBagConstraints(0, 7, 1, 5, .5, 1,
				GridBagConstraints.CENTER, GridBagConstraints.BOTH,
				Insets(0, 2, 2, 0), 0, 0
		))

		self.frame.add(JButton('Update ROI', actionPerformed = self.updateSlice),
			GridBagConstraints(1, 8, 1, 2, 0, .25,
				GridBagConstraints.CENTER, GridBagConstraints.NONE,
				Insets(0, 0, 0, 0), 0, 0
		))

		self.frame.add(JButton('Done', actionPerformed = self.doneSelecting),
			GridBagConstraints(1, 10, 1, 2, 0, .25,
				GridBagConstraints.CENTER, GridBagConstraints.NONE,
				Insets(0, 0, 0, 0), 0, 0
		))

		self.checkbox3D = JCheckBox('3D selection mode', True, actionPerformed=self.toggle3D)
		self.frame.add(self.checkbox3D,
			GridBagConstraints(0, 13, 2, 1, 0, 1,
				GridBagConstraints.WEST, GridBagConstraints.NONE,
				Insets(0, 0, 0, 0), 0, 0
		))

	def showMainWindow(self, cells = None):
		if cells is not None:
			self.cellList.model = cells
			if cells:
				self.cellList.selectedIndex = 0
		self.frame.pack()
		self.frame.visible = True

	def hideMainWindow(self):
		self.frame.visible = False

	def closeMainWindow(self):
		self.frame.dispose()

	def toggle3D(self, event):
		mode3D = self.checkbox3D.isSelected()
		if mode3D:
			self.sliceList.enabled = True
			if self.imp is not None:
				self.imp.show()
			if self.preview is not None:
				self.preview.hide()
		else:
			self.sliceList.enabled = False
			if self.preview is None:
				self.preview = self.previewImage(self.imp)
				self.displayImage(self.preview)
			else:
				self.preview.show()
			if self.imp is not None:
				self.imp.hide()
		selectedCell = self.cellList.selectedIndex
		if selectedCell >= 0:
			cell = self.cells[selectedCell]
			self.sliceList.model = cell.slices
			self.sliceList.selectedIndex = 0
		
	def addCell(self, event):
		size = len(self.cells)
		if (size > 0):
			last = self.cells[size - 1]
			n = last.n + 1
		else:
			n = 1
		self.cells.append(Cell(self.imp.NSlices, n))
		self.cellList.selectedIndex = size

	def removeCell(self, event):
		selected = self.cellList.selectedIndex
		if selected >= 0:
			self.cells.remove(self.cells[selected])
			if (selected >= 1):
				self.cellList.selectedIndex = selected - 1
			else:
				self.cellList.selectedIndex = 0

	def selectCell(self, event):
		selected = self.cellList.selectedIndex
		if selected >= 0:
			cell = self.cells[selected]
			self.sliceList.model = cell.slices
			self.sliceList.selectedIndex = 0
		else:
			self.sliceList.model = DelegateListModel([])
		if self.preview is not None:
			self.preview.setRoi(cell.roi)

	def selectSlice(self, event):
		selectedCell = self.cellList.selectedIndex
		selectedSlice = self.sliceList.selectedIndex
		if selectedCell >= 0 and selectedSlice >= 0:
			cell = self.cells[selectedCell]
			image = self.imp
			mode3D = self.checkbox3D.isSelected()
			if image is not None and cell is not None and mode3D:
				roi = cell.slices[selectedSlice].roi
				if (image.z - 1 != selectedSlice):
					image.z = selectedSlice + 1				
				image.setRoi(roi, True)
			if self.preview is not None and not mode3D:
				self.preview.setRoi(cell.roi, True)

	def updateSlice(self, event):
		if self.checkbox3D.isSelected():
			self.updateSlice3D(self.imp)
		else:
			self.updateSlice2D(self.preview)

	def updateSlice3D(self, imp):
		selectedCell = self.cellList.selectedIndex
		selectedSlice = self.sliceList.selectedIndex
		if selectedCell >= 0 and selectedSlice >= 0 and imp is not None:
			cell = self.cells[selectedCell]
			impRoi = imp.getRoi()
			if cell is not None and impRoi is not None:
				index = selectedSlice + 1
				roi = ShapeRoi(impRoi, position = index)
				cell.mode3D = True
				cell.name = "Cell %i (3D)" % cell.n
				cell.slices[selectedSlice].roi = roi
				if (index + 1 <= len(cell.slices)):
					imp.z = index + 1			
			self.cellList.repaint(self.cellList.getCellBounds(selectedCell, selectedCell))
			self.sliceList.repaint(self.sliceList.getCellBounds(selectedSlice, selectedSlice))

	def updateSlice2D(self, imp):
		selectedCell = self.cellList.selectedIndex
		if selectedCell >= 0 and imp is not None:
			cell = self.cells[selectedCell]
			impRoi = imp.getRoi()
			if cell is not None and impRoi is not None:
				roi = ShapeRoi(impRoi, position = 1)
				cell.mode3D = False
				cell.name = "Cell %i (2D)" % cell.n
				cell.roi = roi	
			self.cellList.repaint(self.cellList.getCellBounds(selectedCell, selectedCell))
	
	def imageOpened(self, imp):
		pass

	def imageClosed(self, imp):
		pass

	def imageUpdated(self, imp):
		if self.checkbox3D.isSelected():
			if imp is not None:
				selectedCell = self.cellList.selectedIndex
				selectedSlice = imp.z - 1
			if imp == self.imp and selectedSlice != self.sliceList.selectedIndex:
				self.sliceList.selectedIndex = selectedSlice

	def doneSelecting(self, event):
		oluts = self.imp.luts
		luts = []
		channels = []
		for c, method in enumerate(self.methods):
			if method != "None":
				luts.append(oluts[c])
				channels.append(c)
		for cell in self.cells:
			manders = self.getManders(self.imp, cell)
			if manders is not None:
				chimps, thrimps, thrs, raws, thrds = manders
				index = self.cells.index(cell) + 1
				title = "Cell_%i-" % index + self.imp.title
				self.saveMultichannelImage(title, chimps, oluts)
				title = "Cell_%i_thrd-" % index + self.imp.title
				self.saveMultichannelImage(title, thrimps, luts)
				self.results.incrementCounter()
				row = self.results.getCounter() - 1
				for i, thr in enumerate(thrs):
					if thr is not None:
						self.results.setValue("Threshold %i" % (i + 1), row, int(thr))
				for i, pair in enumerate(self.pairs):
					self.results.setValue("%i-%i M1 raw" % pair, row, float(raws[i].m1))
					self.results.setValue("%i-%i M2 raw" % pair, row, float(raws[i].m2))
					self.results.setValue("%i-%i M1 thrd" % pair, row, float(thrds[i].m1))
					self.results.setValue("%i-%i M2 thrd" % pair, row, float(thrds[i].m2))
		self.closeImage()
		if not self.processNextFile():
			print "All done - happy analysis!"
			self.results.show("Manders collocalization results")
			self.exit()

	def windowClosing(self, e):
		print "Closing plugin - BYE!!!"
		self.exit()

	def exit(self):
		ImagePlus.removeImageListener(self)
		self.closeImage()
		self.closeMainWindow()