def volume(self):
niter = iterators.PreOrderIter(self._root)
volume1 = []
for tn in niter:
if tn.is_regular() and tn.parent.is_regular():
volume1.append(tn._volume(tn.parent))
return ([sum(volume1), max(volume1), min(volume1)])
def Bif_tilit_local(self):
p_distance=0.0
c_distance=0.0
#pdb.set_trace()
if self.ntype()==1:
return 0
else:
if len(self.children)==0:
return 0
else:
pnode=self.parent
niter = iterators.PreOrderIter(self)#self is a node
for tn in niter:
cnode=tn.children[0]
break
p_distance=self.distance(pnode)
c_distance=self.distance(cnode)
t_distance=pnode.distance(cnode)
# print(p_distance,c_distance,t_distance)
if c_distance*p_distance!=0:
Bif_tilit_local=math.acos((np.square(p_distance)+np.square(c_distance)-np.square(t_distance))/(2*p_distance*c_distance))
return Bif_tilit_local
else:
return 0
def surface(self):
niter = iterators.PreOrderIter(self._root)
surface1 = []
for tn in niter:
if tn.is_regular() and tn.parent.is_regular():
surface1.append(tn._surface(tn.parent))
return ([sum(surface1), max(surface1), min(surface1)])
def Bif_tilit_remote(self):
p_distance = 0.0
c_distance = 0.0
cd_storage = []
if self.ntype() == 1:
return 0
else:
if not self.children:
return 0
else:
pnode = self.parent
niter = iterators.PreOrderIter(self) #self is a node
for tn in niter:
# pdb.set_trace()
if len(tn.children) > 1:
cnode = tn.parent
c_distance = self.distance(cnode) #find the first tip
p_distance = self.distance(pnode)
# c_distance=max(cd_storage)
#t_distance=pnode.distance(self.node_from_id(cd_storage.index(c_distance)))
t_distance = pnode.distance(cnode)
if c_distance * p_distance != 0:
Bif_tilit_remote = math.acos(
(np.square(p_distance) + np.square(c_distance)
- np.square(t_distance)) /
(2 * p_distance * c_distance))
break
else:
return 0
else:
Bif_tilit_remote = 0
return Bif_tilit_remote
def length(self):
niter = iterators.PreOrderIter(self._root)
result = 0
for tn in niter:
result += tn.parent_distance()
return result
def save(self, path):
with open(path, 'w') as fp:
niter = iterators.PreOrderIter(self._root)
for tn in niter:
if tn.is_regular():
fp.write('%s %d\n' % (tn.to_swc_str(), tn.get_parent_id()))
fp.close()
def Bif_ampl_local(self):
p_distance = 0.0
c_distance = 0.0
count = 0
#self is a node
if len(self.children) < 2:
return 0
else:
niter = iterators.PreOrderIter(self)
for tn in niter:
pnode = tn.parent
if pnode == self:
count = count + 1
p2_distance = tn.distance(pnode)
if count != 2:
p1_distance = p2_distance
firstchild = tn
else:
secondchild = tn
break
t_distance = secondchild.distance(firstchild)
#pdb.set_trace()
Bif_ampl_local = math.acos(
(np.square(p1_distance) + np.square(p2_distance) -
np.square(t_distance)) / (2 * p1_distance * p2_distance))
return Bif_ampl_local
def Bif_ampl_remote(self):
p_distance = 0.0
c_distance = 0.0
count = 0
# if self.ntype()==1:
# return 0
if self.ntype() == 1:
return 0
else:
pnode = self.parent
while len(pnode.children) < 2:
pnode = pnode.parent
if pnode.ntype() == 1:
return 0
break
#pdb.set_trace()
for pc in pnode.children:
niter = iterators.PreOrderIter(pc)
for tn in niter:
if len(tn.children) != 1:
count = count + 1
p2_distance = tn.distance(pnode)
if count != 2:
p1_distance = p2_distance
firstchild = tn
else:
secondchild = tn
break
t_distance = secondchild.distance(firstchild)
#pdb.set_trace()
Bif_ampl_remote = math.acos(
(np.square(p1_distance) + np.square(p2_distance) -
np.square(t_distance)) / (2 * p1_distance * p2_distance))
return Bif_ampl_remote
def children(self):
children_list = list()
niter = iterators.PreOrderIter(self) #self is a node
for tn in niter:
if regular:
if tn.is_regular():
children_list.append(tn)
#else:
return tuple(children_list)
def tip_count(self, regular=True):
count = 0
niter = iterators.PreOrderIter(self._root)
for tn in niter:
if regular:
if tn.is_regular():
if len(tn.children) == 0:
count += 1
return count
def stem_count(self, regular=True):
count = 0
niter = iterators.PreOrderIter(self)
for tn in niter:
if regular:
if tn.is_regular():
if tn._type == 1:
count += len(tn.children)
if tn.parent._type == 1:
count -= 1
return count
def child_count(self):
count = 0
niter = iterators.PreOrderIter(self) #self is a node
for tn in niter:
if regular:
if tn.is_regular():
count += 1
else:
count += 1
return count
def tip_count(self, regular = True):
count = 0
niter = iterators.PreOrderIter(self._root)
for tn in niter:
if regular:
if tn.is_regular():
if not tn.children:
count += 1
# print ("Node %d is a tip" %tn )
# print(count)
return count
def node_count(self, regular=True):
count = 0
niter = iterators.PreOrderIter(self._root)
for tn in niter:
if regular:
if tn.is_regular():
count += 1
else:
count += 1
return count
def ave_diameter(self, regular=True):
total = self.node_count()
count = 0.0
niter = iterators.PreOrderIter(self._root)
for tn in niter:
if regular:
if tn.is_regular():
count += tn._radius
else:
count += tn._radius
return count * 2 / total
def avrg_diameter(self, regular=True):
#for node
sum_diameter = 0.0
avrg_diameter = 0.0
if len(self.children) == 0:
return 0
else:
niter = iterators.PreOrderIter(self) #self is a node
for tn in niter:
if regular:
if tn.is_regular():
sum_diameter = sum_diameter + 2 * tn.radius()
avrg_dmt = sum_diameter / len(self.children)
return avrg_dmt
def depth(self, atype=None):
xmax = xmin = 0.0
niter = iterators.PreOrderIter(self._root)
for tn in niter:
if atype == None:
xmax = max(xmax, tn._pos[2])
xmin = min(xmin, tn._pos[2])
else:
if tn._type == atype:
xmax = max(xmax, tn._pos[2])
xmin = min(xmin, tn._pos[2])
print(xmax, xmin)
result = xmax - xmin
return result
def diameter_rate(self, regular=True):
#for node
sum_rate = 0.0
sum_radius = 0.0
pradius = self.radius()
if len(self.children) == 0:
return 0
else:
niter = iterators.PreOrderIter(self) #self is a node
for tn in niter:
if regular:
if tn.is_regular():
sum_radius = sum_radius + tn.radius()
sum_rate = sum_radius / pradius
return sum_rate / (len(self.children))
def delete_minpath(self, persent):
assert persent < 1.0
maxdist = self.pathdistance()[1]
mindist = self.pathdistance()[2]
count = 0
while mindist / maxdist < persent:
niter = iterators.PreOrderIter(self._root)
for tn in niter:
if tn.is_regular() and len(
tn.children) == 0 and compute_pathdist(tn) == mindist:
tn.cutoff()
count += 1
maxdist = self.pathdistance()[1]
mindist = self.pathdistance()[2]
self.cutcount = count
print('Compelete!Delete %d nodes in all' % (count))
def pathdistance(self, disttype='normal'):
#compute the total/maximun/minimum/average of path distance
pathdist = 0
allpathdist = []
alltif = []
niter = iterators.PreOrderIter(self._root)
for tn in niter:
if tn.is_regular():
if len(tn.children) ==0 :
alltif.append(tn)
for tif in alltif:
if tif._type != 1:
if disttype == 'normal':
pathdist = compute_pathdist(tif)
if disttype == 'euc':
pathdist = compute_eucdist(tif)
allpathdist.append(pathdist)
return([sum(allpathdist),max(allpathdist),min(allpathdist),sum(allpathdist)/len(allpathdist)])
def HillmanThreshold(self,regular=True):
count=0
if len(self.children)<=1:
return 0
else:
niter = iterators.PreOrderIter(self)#self is a node
#pdb.set_trace()
for tn in niter:
if regular:
if tn.is_regular():
pnode=tn.parent
if pnode==self:
count=count+1
if count!=2:
firstchild=tn
else:
secondchild=tn
break
hillman=0.5*self.radius()+0.25*firstchild.radius()+0.25*secondchild.radius()
return hillman
def scale(self, sx, sy, sz, adjusting_radius=True):
niter = iterators.PreOrderIter(self._root)
for tn in niter:
tn.scale(sx, sy, sz, adjusting_radius)
def DC_ego(input_adj, comm_top, comm_below, depth, directed_flag, C_max,
nworker, verbose, ordered, output_filename):
global node_number
if not ordered:
input_adj = fix_adj(input_adj)
layer_index = 0
#######################################################################
################### Form networkx graph #########################
#######################################################################
if directed_flag:
G = GEN.edgelist2networkxG_directed(input_adj)
else:
G = GEN.edgelist2networkxG_undirected(input_adj)
if C_max < 1:
C_max = int(C_max * len(G.nodes()))
print 'Network size = ' + str(len(G.nodes())) + ' nodes'
print 'Max community resolution = ' + str(C_max) + ' nodes'
child_index = 1
layer0 = Node('node0')
layer_index = 0
dict_node2member['node' + str(node_number)] = G.nodes()
parent_name = 'node' + str(node_number)
start = timeit.default_timer()
###################################################################
########### Call hierarchy recursively ################
###################################################################
node_number_now = hierarchy(G, comm_top, layer_index, child_index, layer0,
input_adj, comm_below, depth, C_max,
directed_flag, nworker, verbose)
stop = timeit.default_timer()
print 'Time_DC_egoten= '
print(stop - start)
###################################################################
################### CLEAN UP ########################
###################################################################
for item in glob.glob(input_adj + '*.tns'):
os.remove(item)
for item in glob.glob(input_adj + '*.mat'):
os.remove(item)
for item in glob.glob(input_adj + '*CPD.txt'):
os.remove(item)
#########################################################################
####### Write lit of nodes in detected communities ###########
#########################################################################
list_of_leaves = [
node.name for node in iterators.PreOrderIter(layer0) if node.is_leaf
]
print 'Total number of detected communities = ' + str(len(list_of_leaves))
f = open(output_filename, 'w')
f.close()
with open(output_filename, 'a') as f:
for leaf in list_of_leaves:
str_commnumber = str(leaf)
f.write('#community' + str_commnumber[4:] + '\n ')
for node in dict_node2member[
leaf]: # node refers to tree node and members are the members in this community (node)
f.write(str(node) + ' ')
f.write('\n')
f.close()
def node_from_id(self, nid):
niter = iterators.PreOrderIter(self._root)
for tn in niter:
if tn.get_id() == nid:
return tn
return None
