def ImportMedicalImages(self, directory, gui=True):
patients_groups = dcm.GetDicomGroups(directory)
name = directory.rpartition('\\')[-1].split('.')
print("patients: ", patients_groups)
if len(patients_groups):
# OPTION 1: DICOM
group = dcm.SelectLargerDicomGroup(patients_groups)
matrix, matrix_filename, dicom = self.OpenDicomGroup(group, 0, [0, 0], gui=gui)
self.CreateDicomProject(dicom, matrix, matrix_filename)
else:
# OPTION 2: NIfTI, Analyze or PAR/REC
if name[-1] == 'gz':
name[1] = 'nii.gz'
suptype = ('hdr', 'nii', 'nii.gz', 'par')
filetype = name[1].lower()
if filetype in suptype:
group = oth.ReadOthers(directory)
else:
utils.debug("No medical images found on given directory")
return
matrix, matrix_filename = self.OpenOtherFiles(group)
self.CreateOtherProject(str(name[0]), matrix, matrix_filename)
# OPTION 4: Nothing...
self.LoadProject()
Publisher.sendMessage("Enable state project", state=True)
def _export_surface(self, filename, filetype):
if filetype in (const.FILETYPE_STL,
const.FILETYPE_VTP,
const.FILETYPE_PLY,
const.FILETYPE_STL_ASCII):
# First we identify all surfaces that are selected
# (if any)
proj = prj.Project()
polydata_list = []
for index in proj.surface_dict:
surface = proj.surface_dict[index]
if surface.is_shown:
polydata_list.append(surface.polydata)
if len(polydata_list) == 0:
utl.debug("oops - no polydata")
return
elif len(polydata_list) == 1:
polydata = polydata_list[0]
else:
polydata = pu.Merge(polydata_list)
# Having a polydata that represents all surfaces
# selected, we write it, according to filetype
if filetype == const.FILETYPE_STL:
writer = vtk.vtkSTLWriter()
writer.SetFileTypeToBinary()
elif filetype == const.FILETYPE_STL_ASCII:
writer = vtk.vtkSTLWriter()
writer.SetFileTypeToASCII()
elif filetype == const.FILETYPE_VTP:
writer = vtk.vtkXMLPolyDataWriter()
#elif filetype == const.FILETYPE_IV:
# writer = vtk.vtkIVWriter()
elif filetype == const.FILETYPE_PLY:
writer = vtk.vtkPLYWriter()
writer.SetFileTypeToASCII()
writer.SetColorModeToOff()
#writer.SetDataByteOrderToLittleEndian()
#writer.SetColorModeToUniformCellColor()
#writer.SetColor(255, 0, 0)
if filetype in (const.FILETYPE_STL,
const.FILETYPE_STL_ASCII,
const.FILETYPE_PLY):
# Invert normals
normals = vtk.vtkPolyDataNormals()
normals.SetInputData(polydata)
normals.SetFeatureAngle(80)
normals.AutoOrientNormalsOn()
# normals.GetOutput().ReleaseDataFlagOn()
normals.UpdateInformation()
normals.Update()
polydata = normals.GetOutput()
filename = filename.encode(const.FS_ENCODE)
writer.SetFileName(filename)
writer.SetInputData(polydata)
writer.Write()
def _display_previews(self):
initial = self.displayed_position * NCOLS
final = initial + NUM_PREVIEWS
if len(self.files) < final:
for i in range(final-len(self.files)):
try:
self.previews[-i-1].Hide()
except IndexError:
utils.debug("doesn't exist!")
self.nhidden_last_display = final-len(self.files)
else:
if self.nhidden_last_display:
for i in range(self.nhidden_last_display):
try:
self.previews[-i-1].Show()
except IndexError:
utils.debug("doesn't exist!")
self.nhidden_last_display = 0
for f, p in zip(self.files[initial:final], self.previews):
p.SetDicomToPreview(f)
if f.selected:
self.selected_panel = p
#p.interactor.Render()
for f, p in zip(self.files[initial:final], self.previews):
p.Show()
def CloseProject(self):
import invesalius.constants as const
debug("Session.CloseProject")
self.project_path = ()
self.project_status = const.PROJ_CLOSE
#self.mode = const.MODE_RP
self.temp_item = False
self.WriteSessionFile()
def RemoveActor(self, pubsub_evt):
utils.debug("RemoveActor")
actor = pubsub_evt.data
ren = self.ren
ren.RemoveActor(actor)
self.interactor.Render()
self._to_show_ball -= 1
self._check_and_set_ball_visibility()
def SaveProject(self, path=()):
import invesalius.constants as const
debug("Session.SaveProject")
self.project_status = const.PROJ_OPEN
if path:
self.project_path = path
self.__add_to_list(path)
if self.temp_item:
self.temp_item = False
self.WriteSessionFile()
def CreateProject(self, filename):
import invesalius.constants as const
debug("Session.CreateProject")
Publisher.sendMessage('Begin busy cursor')
# Set session info
self.project_path = (self.tempdir, filename)
self.project_status = const.PROJ_NEW
self.temp_item = True
self.WriteSessionFile()
return self.tempdir
def SetAcquisitionModality(self, type_=None):
if type_ is None:
type_ = self.modality
if type_ == "MRI":
self.threshold_modes = self.presets.thresh_mri
elif type_ == "CT":
self.threshold_modes = self.presets.thresh_ct
else:
debug("Different Acquisition Modality!!!")
self.modality = type_
def OpenProject(self, filepath):
import invesalius.constants as const
debug("Session.OpenProject")
# Add item to recent projects list
item = (path, file) = os.path.split(filepath)
self.__add_to_list(item)
# Set session info
self.project_path = item
self.project_status = const.PROJ_OPEN
self.WriteSessionFile()
def OnRun(self):
pos = self.slider.GetValue()
pos += 1
if not (self.nimages- pos):
pos = 0
self.slider.SetValue(pos)
self.ShowSlice(pos)
time.sleep(0.2)
if self.ischecked:
try:
wx.Yield()
#TODO: temporary fix necessary in the Windows XP 64 Bits
#BUG in wxWidgets http://trac.wxwidgets.org/ticket/10896
except(wx._core.PyAssertionError):
utils.debug("wx._core.PyAssertionError")
finally:
wx.CallAfter(self.OnRun)
def ImportMedicalImages(self, directory):
# OPTION 1: DICOM?
patients_groups = dcm.GetDicomGroups(directory)
if len(patients_groups):
group = dcm.SelectLargerDicomGroup(patients_groups)
matrix, matrix_filename, dicom = self.OpenDicomGroup(group, 0, [0,0],gui=True)
self.CreateDicomProject(dicom, matrix, matrix_filename)
# OPTION 2: ANALYZE?
else:
imagedata = analyze.ReadDirectory(directory)
if imagedata:
self.CreateAnalyzeProject(imagedata)
# OPTION 3: Nothing...
else:
utils.debug("No medical images found on given directory")
return
self.LoadProject()
Publisher.sendMessage("Enable state project", True)
def ShowDialogCloseProject(self):
session = ses.Session()
st = session.project_status
print('Status', st, type(st))
if st == const.PROJ_CLOSE:
return -1
try:
filename = session.project_path[1]
except(AttributeError):
utils.debug("Project doesn't exist")
filename = None
if (filename):
if (st == const.PROJ_NEW) or (st == const.PROJ_CHANGE):
answer = dialog.SaveChangesDialog(filename, self.frame)
if not answer:
utils.debug("Close without changes")
self.CloseProject()
Publisher.sendMessage("Enable state project", state=False)
Publisher.sendMessage('Set project name')
Publisher.sendMessage("Stop Config Recording")
elif answer == 1:
self.ShowDialogSaveProject()
utils.debug("Save changes and close")
self.CloseProject()
Publisher.sendMessage("Enable state project", state=False)
Publisher.sendMessage('Set project name')
Publisher.sendMessage("Stop Config Recording")
elif answer == -1:
utils.debug("Cancel")
else:
self.CloseProject()
Publisher.sendMessage("Enable state project", state=False)
Publisher.sendMessage('Set project name')
Publisher.sendMessage("Stop Config Recording")
else:
Publisher.sendMessage('Stop Config Recording')
def Update(self):
# Ideally, AddFile would be sufficient for splitting DICOM
# files into groups (series). However, this does not work for
# acquisitions / equipments and manufacturers.
# Although DICOM is a protocol, each one uses its fields in a
# different manner
# Check if Problem 1 occurs (n groups with 1 slice each)
is_there_problem_1 = False
utils.debug("n slice %d" % self.nslices)
utils.debug("len %d" % len(self.groups_dict))
if (self.nslices == len(self.groups_dict)) and\
(self.nslices > 1):
is_there_problem_1 = True
# Fix Problem 1
if is_there_problem_1:
utils.debug("Problem1")
self.groups_dict = self.FixProblem1(self.groups_dict)
def print_events(data):
"""
Print pubsub messages
"""
utils.debug(data.topic)
def ChangeProject(self):
import invesalius.constants as const
debug("Session.ChangeProject")
self.project_status = const.PROJ_CHANGE
def print_events(topic=Publisher.AUTO_TOPIC, **msg_data):
"""
Print pubsub messages
"""
utils.debug("%s\n\tParameters: %s" % (topic, msg_data))
def SetDicomDirectory(self, directory):
utils.debug("Setting Dicom Directory %s" % directory)
self.directory = directory
self.series = dicom_reader.GetSeries(directory)[0]
def RemoveAllActor(self, pubsub_evt):
utils.debug("RemoveAllActor")
self.ren.RemoveAllProps()
Publisher.sendMessage('Render volume viewer')
def OpenDicomGroup(self, dicom_group, interval, file_range, gui=True):
# Retrieve general DICOM headers
dicom = dicom_group.GetDicomSample()
# Create imagedata
interval += 1
filelist = dicom_group.GetFilenameList()[::interval]
if not filelist:
utils.debug("Not used the IPPSorter")
filelist = [i.image.file for i in dicom_group.GetHandSortedList()[::interval]]
if file_range is not None and file_range[0] is not None and file_range[1] > file_range[0]:
filelist = filelist[file_range[0]:file_range[1] + 1]
zspacing = dicom_group.zspacing * interval
size = dicom.image.size
bits = dicom.image.bits_allocad
sop_class_uid = dicom.acquisition.sop_class_uid
xyspacing = dicom.image.spacing
orientation = dicom.image.orientation_label
wl = float(dicom.image.level)
ww = float(dicom.image.window)
if sop_class_uid == '1.2.840.10008.5.1.4.1.1.7': #Secondary Capture Image Storage
use_dcmspacing = 1
else:
use_dcmspacing = 0
imagedata = None
if dicom.image.number_of_frames == 1:
sx, sy = size
n_slices = len(filelist)
resolution_percentage = utils.calculate_resizing_tofitmemory(int(sx), int(sy), n_slices, bits/8)
if resolution_percentage < 1.0 and gui:
re_dialog = dialog.ResizeImageDialog()
re_dialog.SetValue(int(resolution_percentage*100))
re_dialog_value = re_dialog.ShowModal()
re_dialog.Close()
if re_dialog_value == wx.ID_OK:
percentage = re_dialog.GetValue()
resolution_percentage = percentage / 100.0
else:
return
xyspacing = xyspacing[0] / resolution_percentage, xyspacing[1] / resolution_percentage
self.matrix, scalar_range, self.filename = image_utils.dcm2memmap(filelist, size,
orientation, resolution_percentage)
print(xyspacing, zspacing)
if orientation == 'AXIAL':
spacing = xyspacing[0], xyspacing[1], zspacing
elif orientation == 'CORONAL':
spacing = xyspacing[0], zspacing, xyspacing[1]
elif orientation == 'SAGITTAL':
spacing = zspacing, xyspacing[1], xyspacing[0]
else:
self.matrix, spacing, scalar_range, self.filename = image_utils.dcmmf2memmap(filelist[0], orientation)
self.Slice = sl.Slice()
self.Slice.matrix = self.matrix
self.Slice.matrix_filename = self.filename
self.Slice.spacing = spacing
# 1(a): Fix gantry tilt, if any
tilt_value = dicom.acquisition.tilt
if (tilt_value) and (gui):
# Tell user gantry tilt and fix, according to answer
message = _("Fix gantry tilt applying the degrees below")
value = -1*tilt_value
tilt_value = dialog.ShowNumberDialog(message, value)
image_utils.FixGantryTilt(self.matrix, self.Slice.spacing, tilt_value)
elif (tilt_value) and not (gui):
tilt_value = -1*tilt_value
image_utils.FixGantryTilt(self.matrix, self.Slice.spacing, tilt_value)
self.Slice.window_level = wl
self.Slice.window_width = ww
scalar_range = int(self.matrix.min()), int(self.matrix.max())
Publisher.sendMessage('Update threshold limits list',
threshold_range=scalar_range)
return self.matrix, self.filename, dicom
def CancelImageDataLoad(self, evt_pusub):
utils.debug("Canceling")
self.running = False
def CreateImageData(self, filelist, zspacing, size, bits):
message = _("Generating multiplanar visualization...")
if not const.VTK_WARNING:
log_path = os.path.join(const.USER_LOG_DIR, 'vtkoutput.txt')
fow = vtk.vtkFileOutputWindow()
fow.SetFileName(log_path)
ow = vtk.vtkOutputWindow()
ow.SetInstance(fow)
x,y = size
px, py = utils.predict_memory(len(filelist), x, y, bits)
utils.debug("Image Resized to >>> %f x %f" % (px, py))
if (x == px) and (y == py):
const.REDUCE_IMAGEDATA_QUALITY = 0
else:
const.REDUCE_IMAGEDATA_QUALITY = 1
if not(const.REDUCE_IMAGEDATA_QUALITY):
update_progress= vtk_utils.ShowProgress(1, dialog_type = "ProgressDialog")
array = vtk.vtkStringArray()
for x in range(len(filelist)):
if not self.running:
return False
array.InsertValue(x,filelist[x])
if not self.running:
return False
reader = vtkgdcm.vtkGDCMImageReader()
reader.SetFileNames(array)
reader.AddObserver("ProgressEvent", lambda obj,evt:
update_progress(reader,message))
reader.Update()
if not self.running:
reader.AbortExecuteOn()
return False
# The zpacing is a DicomGroup property, so we need to set it
imagedata = vtk.vtkImageData()
imagedata.DeepCopy(reader.GetOutput())
spacing = imagedata.GetSpacing()
imagedata.SetSpacing(spacing[0], spacing[1], zspacing)
else:
update_progress= vtk_utils.ShowProgress(2*len(filelist),
dialog_type = "ProgressDialog")
# Reformat each slice and future append them
appender = vtk.vtkImageAppend()
appender.SetAppendAxis(2) #Define Stack in Z
# Reformat each slice
for x in range(len(filelist)):
# TODO: We need to check this automatically according
# to each computer's architecture
# If the resolution of the matrix is too large
if not self.running:
return False
reader = vtkgdcm.vtkGDCMImageReader()
reader.SetFileName(filelist[x])
reader.AddObserver("ProgressEvent", lambda obj,evt:
update_progress(reader,message))
reader.Update()
#Resample image in x,y dimension
slice_imagedata = ResampleImage2D(reader.GetOutput(), px, py, update_progress)
#Stack images in Z axes
appender.AddInput(slice_imagedata)
#appender.AddObserver("ProgressEvent", lambda obj,evt:update_progress(appender))
appender.Update()
# The zpacing is a DicomGroup property, so we need to set it
if not self.running:
return False
imagedata = vtk.vtkImageData()
imagedata.DeepCopy(appender.GetOutput())
spacing = imagedata.GetSpacing()
imagedata.SetSpacing(spacing[0], spacing[1], zspacing)
imagedata.AddObserver("ProgressEvent", lambda obj,evt:
update_progress(imagedata,message))
imagedata.Update()
return imagedata
def ChangeProject(self):
import invesalius.constants as const
debug("Session.ChangeProject")
self.project_status = const.PROJ_CHANGE
