def __init__(self):
prog = ProgressBarDialog(
title='Rendering surface',
parent=None,
msg='Computing connectivity ....',
size=(300, 40),
)
def start(o, event):
prog.show()
while gtk.events_pending():
gtk.main_iteration()
def progress(o, event):
val = o.GetProgress()
prog.bar.set_fraction(val)
while gtk.events_pending():
gtk.main_iteration()
def end(o, event):
prog.hide()
while gtk.events_pending():
gtk.main_iteration()
self.AddObserver('StartEvent', start)
self.AddObserver('ProgressEvent', progress)
self.AddObserver('EndEvent', end)
def __init__(self, renderer, interactor):
self.connect = ConnectFilter()
self.deci = DecimateFilter()
self.marchingCubes = vtk.vtkMarchingCubes()
self.prog = ProgressBarDialog(
title='Rendering surface %s' % self.label,
parent=None,
msg='Marching cubes ....',
size=(300,40),
)
def start(o, event):
self.prog.show()
while gtk.events_pending(): gtk.main_iteration()
def progress(o, event):
val = o.GetProgress()
self.prog.bar.set_fraction(val)
while gtk.events_pending(): gtk.main_iteration()
def end(o, event):
self.prog.hide()
while gtk.events_pending(): gtk.main_iteration()
self.marchingCubes.AddObserver('StartEvent', start)
self.marchingCubes.AddObserver('ProgressEvent', progress)
self.marchingCubes.AddObserver('EndEvent', end)
self.renderer = renderer
self.interactor = interactor
self.isoActor = None
self.update_pipeline()
def get_reader(o):
if o.readerClass == 'vtkBMPReader':
ReaderClass = vtk.vtkBMPReader
elif o.readerClass == 'vtkImageReader2':
ReaderClass = vtk.vtkImageReader2
elif o.readerClass == 'vtkDICOMImageReader':
ReaderClass = vtk.vtkDICOMImageReader
elif o.readerClass == 'vtkNiftiImageReader':
ReaderClass = vtkNiftiImageReader
reader = ReaderClass()
if ReaderClass == vtk.vtkImageReader2:
reader.SetDataScalarTypeToUnsignedShort()
if o.order == 'big endian':
reader.SetDataByteOrderToBigEndian()
else:
reader.SetDataByteOrderToLittleEndian()
rows, cols = o.dimensions
reader.SetFileNameSliceOffset(o.first)
reader.SetDataExtent(0, rows - 1, 0, cols - 1, 0, o.last - o.first)
reader.FileLowerLeftOn()
if o.mask is not None:
reader.SetDataMask(o.mask)
if o.header != 0:
reader.SetHeaderSize(o.header)
elif ReaderClass == vtk.vtkBMPReader:
reader.SetDataExtent(0, o.dimensions[0] - 1, 0, o.dimensions[1] - 1,
o.first, o.last)
elif ReaderClass == vtk.vtkDICOMImageReader:
reader.SetDirectoryName(o.dir)
reader.Update()
#Update Param file from the reader
o.dimensions = [reader.GetWidth(), reader.GetHeight()]
if reader.GetDataByteOrder() == 1:
o.order == 'big endian'
else:
o.order == 'little endian'
o.spacing = spc[2]
o.dfov = o.dimensions[0] * spc[0]
elif ReaderClass == vtkNiftiImageReader:
reader.SetDirectoryName(o.dir)
pattern = o.pattern
if len(o.extension) > 0:
pattern += '.' + o.extension
reader.SetFilePattern(pattern)
reader.Update()
o.dimensions = [reader.GetWidth(), reader.GetHeight()]
spc = reader.GetDataSpacing()
o.spacing = spc[2]
o.dfov = o.dimensions[0] * spc[0]
else:
raise NotImplementedError, "Can't handle reader %s" % o.readerClass
if ReaderClass != vtkNiftiImageReader:
progressDlg = ProgressBarDialog(title='Loading files',
parent=widgets['dlgReader'],
msg='Almost there....',
size=(300, 40))
progressDlg.show()
def progress(r, event):
#print 'abort progress', r.GetAbortExecute()
val = r.GetProgress()
progressDlg.bar.set_fraction(val)
if val == 1: progressDlg.destroy()
while gtk.events_pending():
gtk.main_iteration()
reader.AddObserver('ProgressEvent', progress)
if os.path.isdir(o.dir): dir = o.dir
else:
infopath = widgets['entryInfoFile'].get_text()
dir, fname = os.path.split(infopath)
if ReaderClass != vtkNiftiImageReader:
reader.SetFilePrefix(dir)
pattern = os.path.join('%s', o.prefix + o.pattern)
if len(o.extension) > 0:
pattern += '.' + o.extension
reader.SetFilePattern(pattern)
if debug:
print "reader.SetDataSpacing(", o.dfov / o.dimensions[0], o.dfov / o.dimensions[
1], o.spacing, "). dfov=", o.dfov, "dimensions=", o.dimensions, "spacing=", o.spacing
reader.SetDataSpacing(
float(o.dfov) / float(o.dimensions[0]),
float(o.dfov) / float(o.dimensions[1]), float(o.spacing))
reader.Update()
return reader
