def load_trackfile(self):
""" Loads the trackfile data and header using DiPy IO
Returns
-------
Boolean: Successfull or not
"""
from cviewer.libs.dipy.io import trackvis as tv
fname = self.load_trackfile_to_file()
try:
self.streams, self.hdr = tv.read(fname)
except HeaderError:
return False
self.data_loaded = True
return True
from cviewer.libs.dipy.io import trackvis as tv
from cviewer.libs.dipy.io import pickles as pkl
from cviewer.libs.dipy.core import track_performance as pf
from cviewer.libs.dipy.core import track_metrics as tm
from cviewer.libs.dipy.viz import fos
import time
import numpy as np
# choose your file
fname='your_file_here.trk'
print 'Loading file...'
streams,hdr=tv.read(fname)
print 'Copying tracks...'
T=[i[0] for i in streams]
# not take all of them for speed
T=T[:1000]
print 'Representing tracks using only 3 pts...'
tracks=[tm.downsample(t,3) for t in T]
print 'Deleting unnecessary data...'
del streams,hdr
print 'Hidden Structure Clustering...'
now=time.clock()
C=pf.local_skeleton_clustering(tracks,d_thr=20)
print 'Done in', time.clock()-now,'s.'