def show_flows(g, ngs, fgs):
p0 = gd.getpos(g)
ckw = dict([(k,
dict(facecolor='gray',
alpha=1,
linewidth=.5,
arrowstyle='-|>',
edgecolor='black',
color='gray',
shrinkA=0,
shrinkB=0)) for k in g.edges()])
skw = dict(facecolor='none', edgecolor='black', s=20)
gd.draw(g, p0, g.edges(), ckw=ckw, skw=skw, cktype='simple')
colors = mycolors.getct(len(fgs))
for i, fg in enumerate(fgs):
edges = fg.edges()
weights = [fg[e[0]][e[1]]['weight'] for e in edges]
ckw = dict([(k, dict(color=colors[i], linewidth=weights[j] / 3))
for j, k in enumerate(edges)])
gd.draw(fg, p0, edges, ckw=ckw, scatter_nodes=[], cktype='simple')
def show_brain_flows(g,ngs,fgs, communities):
centers,volumes, voxels = aba.brain_regions(len(communities),
return_voxels = True)
p0 = {}
n_communities = {}
for i, c in enumerate(communities):
nv = len(voxels[i])
for j, n in enumerate(c):
p0[n] = voxels[i][int(floor(random.rand()*nv))][:2] + random.rand()*.4
n_communities[n] = i
comm_ct = mycolors.getct(len(n_communities))
nodelist = g.nodes()
ckw = dict([(k,dict(facecolor = 'gray',
alpha = 1,
linewidth = .5,
arrowstyle = '-|>',
edgecolor = 'black',
color = comm_ct[n_communities[k[0]]],
shrinkA = 0,
shrinkB = 0))
for k in g.edges() ])
skw =dict(facecolor = 'none',
edgecolor = [comm_ct[n_communities[n]]
for n in nodelist],
s = 1)
gd.draw(g,p0,g.edges()[::10],
scatter_nodes = nodelist,
ckw = ckw,
skw = skw,
ckalpha = .8,
cktype = 'simple')
return
colors = mycolors.getct(len(fgs))
for i,fg in enumerate(fgs):
edges = fg.edges()
weights = [fg[e[0]][e[1]]['weight'] for e in edges]
ckw = dict([(k, dict(color = colors[i],
linewidth = weights[j]/3))
for j, k in enumerate(edges)
])
gd.draw(fg,
p0,
edges,
ckw = ckw,
scatter_nodes = [],
cktype = 'simple',
ckalpha = .25,
)
def show_brain_flows(g, ngs, fgs, communities):
centers, volumes, voxels = aba.brain_regions(len(communities),
return_voxels=True)
p0 = {}
n_communities = {}
for i, c in enumerate(communities):
nv = len(voxels[i])
for j, n in enumerate(c):
p0[n] = voxels[i][int(floor(
random.rand() * nv))][:2] + random.rand() * .4
n_communities[n] = i
comm_ct = mycolors.getct(len(n_communities))
nodelist = g.nodes()
ckw = dict([(k,
dict(facecolor='gray',
alpha=1,
linewidth=.5,
arrowstyle='-|>',
edgecolor='black',
color=comm_ct[n_communities[k[0]]],
shrinkA=0,
shrinkB=0)) for k in g.edges()])
skw = dict(facecolor='none',
edgecolor=[comm_ct[n_communities[n]] for n in nodelist],
s=1)
gd.draw(g,
p0,
g.edges()[::10],
scatter_nodes=nodelist,
ckw=ckw,
skw=skw,
ckalpha=.8,
cktype='simple')
return
colors = mycolors.getct(len(fgs))
for i, fg in enumerate(fgs):
edges = fg.edges()
weights = [fg[e[0]][e[1]]['weight'] for e in edges]
ckw = dict([(k, dict(color=colors[i], linewidth=weights[j] / 3))
for j, k in enumerate(edges)])
gd.draw(
fg,
p0,
edges,
ckw=ckw,
scatter_nodes=[],
cktype='simple',
ckalpha=.25,
)
def show_flows(g, ngs, fgs):
p0 = gd.getpos(g)
ckw = dict([(k,dict(facecolor = 'gray',
alpha = 1,
linewidth = .5,
arrowstyle = '-|>',
edgecolor = 'black',
color = 'gray',
shrinkA = 0,
shrinkB = 0))
for k in g.edges() ])
skw =dict(facecolor = 'none',
edgecolor = 'black',
s = 20)
gd.draw(g,p0,g.edges(),
ckw = ckw,
skw = skw,
cktype = 'simple')
colors = mycolors.getct(len(fgs))
for i,fg in enumerate(fgs):
edges = fg.edges()
weights = [fg[e[0]][e[1]]['weight'] for e in edges]
ckw = dict([(k, dict(color = colors[i],
linewidth = weights[j]/3))
for j, k in enumerate(edges)
])
gd.draw(fg,
p0,
edges,
ckw = ckw,
scatter_nodes = [],
cktype = 'simple')
def scatter_array(arr, params):
geo = params['computed']['geometry']
if geo['name'] == 'square': return False
name = geo['name']
sxs = True
if name == 'star':
f = plt.gcf()
ax = f.add_subplot(111)
star_k = geo['k']
d = geo['dim']
ofs = 0
xs, ys, cs = [],[],[]
all_vals = reshape(transpose(arr,(1,0,2)), (shape(arr)[0]*shape(arr)[1], 3))
nl = star_k;
nodes = {};
for l in range(star_k):
layer_count = pow(d,l)
layer_ofs = 0
if l == 0:
nodes[(0,0)] = {'r':0.,
't':0.,
'x':0,
'y':0,
'c':all_vals[ofs]}
ofs += 1
else:
parent_keys = [ key for key in nodes.keys() if key[0] == l -1];
for key in parent_keys:
p = nodes[key]
pt = p['t']
pr = p['r']
for i in range(d):
rthis = 5/sqrt(l)
open_angle = pi * 2
if l != 1 :
open_angle = open_angle *.5
x0 = cos(pt) * pr
y0 = sin(pt) * pr
else:
if divmod(i,2)[1] == 2:
rthis *= 2
x0 = 0
y0 = 0
angle_0 = pt - open_angle /2
theta = angle_0 + open_angle * (float(i) / d)
x = x0 + cos(theta) * rthis
y = y0 + sin(theta) * rthis
t = angle(complex(x,y))
r = absolute(complex(x,y))
nodes[(l,layer_ofs)] ={'r':r,
't':t,
'c':all_vals[ofs],
'x':x,
'y':y,
'ps':[key]}
layer_ofs += 1;
ofs+= 1;
nodes[(0,0)]['ps'] = [k for k in nodes.keys() if k[0] == star_k-1]
cheap = False
if cheap:
xs,ys,cs = zip(*[[v['x'],v['y'],v['c']]
for v in nodes.values()])
ax.scatter(xs, ys, 50,color = cs)
else:
import networkx as nx
import cb.utils.graphs.draw as gd
g = nx.DiGraph()
edges = [(k, p)
for k,v in nodes.iteritems()
for p in v['ps']];
g.add_edges_from(edges)
pos = dict([(k, [v['x'] ,
v['y']])
for k,v in nodes.iteritems()])
nl = g.nodes()
ects = dict([(k,len(g[k]) )
for k in nl])
arrows = False
if arrows:
ckw = dict([(k,dict(facecolor = 'gray' if ects[k[0]] == 1
else 'gray',
alpha = 1,
linewidth = 3,
arrowstyle = '-|>',
edgecolor = 'black',
shrinkA = 30,
shrinkB = 30))
for k in g.edges() if ects[k[0]] == 1])
else:
ckw = {}
gd.draw(g, pos, g.edges(),
skw = {'s':500,
'edgecolor':'black',
'facecolor':[nodes[k]['c']
for k in nl],
'alpha':.5
},
scatter_nodes = nl,
ckw = ckw
)
plt.gca().set_xticks([])
plt.gca().set_yticks([])
#raise Exception()
#
#xs = [v['r'] * cos(v['t']) for v in nodes.values()]
#ys = [v['r'] * sin(v['t']) for v in nodes.values()]
#cs = [v['c'] for v in nodes.values()]
#
return sxs
def view0(modules,
data_src = 'bdtnp',
net_src = 'fRN',
max_rank = 4,
module_type = 'doubles'):
'''
A routine to view the sign of interaction coefficients for
a given transcription factor split per-cluster and per-module
size.
Designed to be run on the output of view_output.modules()
'''
#COMPUTE BULK STATISTICS FOR EACH TF
bd_data = nio.getBDTNP()
genes = bd_data.keys()
tfs =sorted(set(it.chain(*[k for k in modules.keys()])))
tf_net = nx.Graph()
tf_net.add_nodes_from(tfs)
tf_edges = it.chain(*[[(e0, e1)
for e0 in term
for e1 in term
if e0 != e1]
for term in modules.keys()])
tf_net.add_edges_from(tf_edges)
pos = nx.graphviz_layout(tf_net)
fig = myplots.fignum(1, (8,8))
tfnodes = tf_net.nodes()
tfnames = tfnodes
all_coefs = \
list(it.chain(*[t['coefs'] for t in modules.values()]))
cstd = std(all_coefs)
def colorfun(coefs):
coef = median(coefs)
arr = array([1.,0.,0.]) if coef < 0\
else array([0.,0.,1.])
return arr*min([1, abs(coef/cstd*2)])
def widthfun(coefs, maxwid):
return max([1,5.* len(coefs) /maxwid])
for tf in tfs:
fig.clf()
ax = fig.add_subplot(111)
ecols,ewids, estyles, ealphas =\
[{} for i in range(4)]
edges = []
tf_doublet_terms = [(k, v)
for k, v in modules.iteritems()
if tf in k and len(set(k)) == 2 ]
tf_triplet_terms = [(k, v)
for k, v in modules.iteritems()
if tf in k and len(set(k)) == 3 ]
isdub = dict([(k,0.) for k in tfnames])
istrip =dict([(k,0.) for k in tfnames])
coflens = [len(e[1]['coefs'])
for e in tf_triplet_terms + tf_doublet_terms]
max_l = max(coflens)
for tt,v in sorted(tf_triplet_terms,
key = lambda x: len(x[1]['genes']))[::-1][:max_rank]:
partners =tuple( [t for t in set(tt) if not t==tf])
for p in partners: istrip[p] = 1 #istrip[[tfnodes.index(p) for p in partners]] = 1
edge = partners
ecols[edge] = colorfun(modules[tt]['coefs'])
ewids[edge] = widthfun(modules[tt]['coefs'],max_l)
ealphas[edge] = 1 if module_type in ['triples','all'] \
else .1
estyles[edge] = 'dotted'
edges.append(edge)
for td,v in sorted(tf_doublet_terms,
key = lambda x: len(x[1]['genes']))[::-1][:max_rank]:
partners = tuple([t for t in set(td) if not t==tf])
for p in partners: isdub[p] = 1
edge = (tuple([tf] + list(partners)))
ecols[edge] = colorfun(modules[td]['coefs'])
ewids[edge] = widthfun(modules[td]['coefs'], max_l)
ealphas[edge] = 1 if module_type in ['doubles','all'] \
else .1
estyles[edge] = 'solid'
edges.append(edge)
tf_graph = nx.DiGraph()
tf_graph.add_nodes_from(tfnodes)
tf_graph.add_edges_from(edges)
ckw = dict([ (k, dict(color = ecols[k], #array([1,0,0])*isdub[k] +\
# array([0,0,1])*istrip[k],
alpha = ealphas[k],
linestyle = estyles[k],
linewidth = ewids[k],
arrowstyle = '-'))
for k in tf_graph.edges()])
circlepoints = dict([ (k, dict(facecolor ='white', #array([1,0,0])*isdub[k] +\
# array([0,0,1])*istrip[k],
alpha = round(ealphas[k],2),
edgecolor = ecols[k],
linestyle = estyles[k],
linewidth = 3,))
for k in tf_graph.edges()])
ax.set_title('Top modules for TF: {0}'.format(tf))
myplots.padded_limits(ax, *zip(*pos.values()))
nodes = tf_graph.nodes()
gd.draw(tf_graph,pos,edges,
scatter_nodes =tf_graph.nodes(),
skw = {'s':[200 if n == tf else 2
for n in nodes],
'facecolor':[colorfun(modules[tuple([n])]['coefs'])
if n == tf
else 'black'
for n in nodes],
'edgecolor':'black',
'linewidth':2,
'alpha':1},#[1 if n == tf else .1 for n in nodes]},
ckw = {})
colors,alphas,tripoints = [{} for i in range(3)]
for e in edges:
colors[e] = 'black'
alphas[e] = .2
tripoints[e] = array(pos[tf])
plot_tri = False
plot_circ = True
if plot_tri:
gd.overlay(tf_graph, pos, edges,
tripoints = tripoints,
colors = colors,
alphas = alphas)
if plot_circ:
gd.overlay(tf_graph, pos, edges,
circlepoints =circlepoints)
ax2 = fig.add_axes([.05,.05,.2,.2])
ax2.set_xticks([])
ax2.set_yticks([])
coefs = modules[tuple([tf])]['coefs']
l = len(coefs)
sx = sy = ceil(sqrt(l))
xs = mod(arange(l), sx)
ys = floor( arange(l) / sx)
cs = [colorfun([c/2]) for c in sorted(coefs)]
ss = 100
ax2.scatter(xs, ys, s = ss, color = cs)
fig.savefig(figtemplate.format('tf_{0}_net_rank{1}_{2}'.\
format(tf,max_rank,module_type)))
