def OnlistboxClick(self, event):
lstbx = event.widget
selection=lstbx.curselection()
if len(selection) > 0:
value = lstbx.get(selection[0])
#print "selection:", selection, ": '%s'" % value
full_file_name = self.dicom_file_path + "/" + value
self.dicom_data = dicom.read_file(full_file_name)
dicom_img_data = DicomImgData(self.dicom_data)
w_ratio = dicom_img_data.pixel_array.shape[1]/self.canvas_shape[1]
h_ratio = dicom_img_data.pixel_array.shape[0]/self.canvas_shape[0]
if ((h_ratio > 1) or (w_ratio > 1) ):
if (w_ratio > h_ratio):
new_sz = (int(dicom_img_data.pixel_array.shape[1]/w_ratio),
int(dicom_img_data.pixel_array.shape[0]/w_ratio))
else:
new_sz = (int(dicom_img_data.pixel_array.shape[1]/h_ratio),
int(dicom_img_data.pixel_array.shape[0]/h_ratio))
dicom_img_data.pixel_array = cv2.resize(dicom_img_data.pixel_array, new_sz)
self.dicom_photo_ref = pydicom_Tkinter.get_tkinter_photoimage_from_pydicom_image(dicom_img_data)
if self.dicom_img_first:
self.dicom_on_canvas = self.canvas.create_image(0,0,anchor='nw', image=self.dicom_photo_ref)
self.dicom_img_first = False
else:
self.canvas.itemconfig(self.dicom_on_canvas, image=self.dicom_photo_ref)
pass
def loadFile(self):
"""
Loads single DICOM image into the Tkinter python GUI, Zooms the image according to the space in the canvas
Note: cannot load a stack of DICOM images
Args: none
Returns: nothing
"""
self.removeAllWidgets()
# Open file with dialog
dicomImage = tkFileDialog.askopenfilename(
initialdir="C:\"",
title="choose DICOM file",
filetypes=(("DICOM files", "*.dcm"), ("all files", "*.*")))
# Read file into pydicom
dFile = dicom.read_file(dicomImage)
# Get the Tkinter photo image with pydicom_Tkinter
dicomImage = pydicom_Tkinter.get_tkinter_photoimage_from_pydicom_image(
dFile)
# Zoom the photo image to match the window by rescaling for the longest side
helperFunctions = HelperFunctions()
self.zoomScale = helperFunctions.getZoomScale(
dicomImage.width(), dicomImage.height(), self.canvas.winfo_width(),
self.canvas.winfo_height())
displayImage = dicomImage.subsample(self.zoomScale, self.zoomScale)
self.scaledImageWidth = dicomImage.width() / self.zoomScale
self.scaledImageHeight = dicomImage.height() / self.zoomScale
# Update DICOM loaded property
self.isDicomLoaded = True
# Display image in canvas
image1 = self.canvas.create_image(0, 0, image=displayImage, anchor=NW)
self.mainloop()
def OnlistboxClick(self, event):
lstbx = event.widget
selection = lstbx.curselection()
if len(selection) > 0:
value = lstbx.get(selection[0])
#print "selection:", selection, ": '%s'" % value
full_file_name = self.dicom_file_path + "/" + value
self.dicom_data = dicom.read_file(full_file_name)
dicom_img_data = DicomImgData(self.dicom_data)
w_ratio = dicom_img_data.pixel_array.shape[1] / self.canvas_shape[1]
h_ratio = dicom_img_data.pixel_array.shape[0] / self.canvas_shape[0]
if ((h_ratio > 1) or (w_ratio > 1)):
if (w_ratio > h_ratio):
new_sz = (int(dicom_img_data.pixel_array.shape[1] /
w_ratio),
int(dicom_img_data.pixel_array.shape[0] /
w_ratio))
else:
new_sz = (int(dicom_img_data.pixel_array.shape[1] /
h_ratio),
int(dicom_img_data.pixel_array.shape[0] /
h_ratio))
dicom_img_data.pixel_array = cv2.resize(
dicom_img_data.pixel_array, new_sz)
self.dicom_photo_ref = pydicom_Tkinter.get_tkinter_photoimage_from_pydicom_image(
dicom_img_data)
if self.dicom_img_first:
self.dicom_on_canvas = self.canvas.create_image(
0, 0, anchor='nw', image=self.dicom_photo_ref)
self.dicom_img_first = False
else:
self.canvas.itemconfig(self.dicom_on_canvas,
image=self.dicom_photo_ref)
pass
def loadFile(self):
"""
Loads single DICOM image into the Tkinter python GUI, Zooms the image according to the space in the canvas
Note: cannot load a stack of DICOM images
Args: none
Returns: nothing
"""
self.removeAllWidgets()
# Open file with dialog
dicomImage = tkFileDialog.askopenfilename(initialdir = "C:\"", title = "choose DICOM file", filetypes = (("DICOM files","*.dcm"),("all files","*.*")))
# Read file into pydicom
dFile = dicom.read_file(dicomImage)
# Get the Tkinter photo image with pydicom_Tkinter
dicomImage = pydicom_Tkinter.get_tkinter_photoimage_from_pydicom_image(dFile)
# Zoom the photo image to match the window by rescaling for the longest side
helperFunctions = HelperFunctions()
self.zoomScale = helperFunctions.getZoomScale(dicomImage.width(), dicomImage.height(), self.canvas.winfo_width(), self.canvas.winfo_height())
displayImage = dicomImage.subsample(self.zoomScale, self.zoomScale)
self.scaledImageWidth = dicomImage.width() / self.zoomScale
self.scaledImageHeight = dicomImage.height() / self.zoomScale
# Update DICOM loaded property
self.isDicomLoaded = True
# Display image in canvas
image1 = self.canvas.create_image(0, 0, image = displayImage, anchor=NW)
self.mainloop()
