def plot_nmean(self, fname=None):
if fname:
from matplotlib.backends.backend_agg import Figure, FigureCanvasAgg
f = Figure()
c = FigureCanvasAgg(f)
else:
from matplotlib import pyplot
f = pyplot.gcf()
ax_vi = f.add_subplot(111)
ax_vi.set_xscale('log')
ax_n = ax_vi.twinx()
l2 = ax_vi.plot(self.gamma, self.VI, color='blue')
l3 = ax_vi.plot(self.gamma, self.In, '--', color='red')
l = ax_n.plot(self.gamma, self.n_mean, ':', c='black')
ax_n.legend((l2, l3, l), ("$VI$", "$I_n$", "$\langle n \\rangle$"),
loc=0)
ax_n.set_ylabel('$\langle n \\rangle$')
ax_n.set_yscale('log')
# ax_n.set_ylim(bottom=0)
ax_vi.set_ylabel('$VI$ and $I_n$')
ax_vi.set_xlabel('$\gamma$')
if fname:
c.print_figure(fname, bbox_inches='tight')
def plot_nmean(self, fname=None):
if fname:
from matplotlib.backends.backend_agg import Figure, FigureCanvasAgg
f = Figure()
c = FigureCanvasAgg(f)
else:
from matplotlib import pyplot
f = pyplot.gcf()
ax_vi = f.add_subplot(111)
ax_vi.set_xscale("log")
ax_n = ax_vi.twinx()
l2 = ax_vi.plot(self.gamma, self.VI, color="blue")
l3 = ax_vi.plot(self.gamma, self.In, "--", color="red")
l = ax_n.plot(self.gamma, self.n_mean, ":", c="black")
ax_n.legend((l2, l3, l), ("$VI$", "$I_n$", "$\langle n \\rangle$"), loc=0)
ax_n.set_ylabel("$\langle n \\rangle$")
ax_n.set_yscale("log")
# ax_n.set_ylim(bottom=0)
ax_vi.set_ylabel("$VI$ and $I_n$")
ax_vi.set_xlabel("$\gamma$")
if fname:
c.print_figure(fname, bbox_inches="tight")
def nosql_draw2(check_func, match):
from matplotlib.backends.backend_agg import FigureCanvas
try:
from matplotlib.backends.backend_agg import Figure
except ImportError:
from matplotlib.figure import Figure
was_interactive = mpl.is_interactive()
if was_interactive:
mpl.interactive(False)
# fnum = 32
fig = Figure()
canvas = FigureCanvas(fig) # NOQA
# fig.clf()
ax = fig.add_subplot(1, 1, 1)
if check_func is not None and check_func():
return
ax, xywh1, xywh2 = match.show(ax=ax)
if check_func is not None and check_func():
return
savekw = {
# 'dpi' : 60,
'dpi': 80,
}
axes_extents = pt.extract_axes_extents(fig)
# assert len(axes_extents) == 1, 'more than one axes'
extent = axes_extents[0]
with io.BytesIO() as stream:
# This call takes 23% - 15% of the time depending on settings
fig.savefig(stream, bbox_inches=extent, **savekw)
stream.seek(0)
data = np.fromstring(stream.getvalue(), dtype=np.uint8)
if check_func is not None and check_func():
return
pt.plt.close(fig)
image = cv2.imdecode(data, 1)
thumbsize = 221
max_dsize = (thumbsize, thumbsize)
dsize, sx, sy = vt.resized_clamped_thumb_dims(
vt.get_size(image), max_dsize)
if check_func is not None and check_func():
return
image = vt.resize(image, dsize)
vt.imwrite(fpath, image)
if check_func is not None and check_func():
return
def plot_nhists(self, fname):
from matplotlib.backends.backend_agg import Figure, FigureCanvasAgg
from matplotlib.backends.backend_pdf import PdfPages
f = Figure()
c = FigureCanvasAgg(f)
ax = f.add_subplot(111)
pp = PdfPages(fname)
for i in range(len(self.n_hist)):
histdata = self.n_hist[i]
histedges = self.n_hist_edges[i]
ax.cla()
ax.set_title("$\gamma=%f$" % self.gamma[i])
ax.bar(histedges[:-1], histdata, width=(histedges[1:] - histedges[:-1]))
ax.set_xscale("log")
ax.set_xlim(0.1, self.Nnodes)
ax.set_ylim(0, 1)
pp.savefig(f)
pp.close()
def plot_nhists(self, fname):
from matplotlib.backends.backend_agg import Figure, FigureCanvasAgg
from matplotlib.backends.backend_pdf import PdfPages
f = Figure()
c = FigureCanvasAgg(f)
ax = f.add_subplot(111)
pp = PdfPages(fname)
for i in range(len(self.n_hist)):
histdata = self.n_hist[i]
histedges = self.n_hist_edges[i]
ax.cla()
ax.set_title("$\gamma=%f$" % self.gamma[i])
ax.bar(histedges[:-1],
histdata,
width=(histedges[1:] - histedges[:-1]))
ax.set_xscale('log')
ax.set_xlim(0.1, self.Nnodes)
ax.set_ylim(0, 1)
pp.savefig(f)
pp.close()
def write_header(self, resolution=72):
from matplotlib.backends.backend_agg import RendererAgg, Figure
from matplotlib.backend_bases import GraphicsContextBase
try:
from matplotlib.transforms import Value
except ImportError:
dpi = resolution
else:
dpi = Value(resolution)
self.renderer = RendererAgg(self.w, self.h, dpi)
self.figure = Figure()
self.gc = GraphicsContextBase()
self.gc.set_linewidth(.2)
def make_plot(ts, dat, ylabel='Data', ylog=False, enums=None,
ts2=None, dat2=None, y2label=None,
y2log=False, enums2=None,
tmin=None, tmax=None, fname=None,
ymin=None, ymax=None, y2min=None, y2max=None):
fig = Figure(figsize=(8., 5.0), dpi=300)
gspec = GridSpec(1, 1)
canvas = FigureCanvas(fig)
axes = fig.add_subplot(gspec[0], facecolor='#FFFFFF')
if ylog: # and False:
axes.set_yscale('log', basey=10)
pos = np.where(dat>0)
ts = ts[pos]
dat = dat[pos]
tvals = [ts2date(t) for t in ts]
if enums is not None:
pad = min(0.8, 0.1*len(enums))
axes.set_ylim(-pad, len(enums)-1+pad)
axes.set_yticks(range(len(enums)))
axes.set_yticklabels(enums)
try:
axes.get_yaxis().get_major_formatter().set_useOffset(False)
except:
pass
if tmin is not None and tmax is not None:
axes.set_xlim((ts2date(tmin), ts2date(tmax)))
if ymin is not None or ymax is not None:
if ymin is not None:
ymin = float(ymin)
else:
ymin = min(dat)
if ymax is not None:
ymax = float(ymax)
else:
ymax = max(dat)
axes.set_ylim((ymin, ymax))
axes.set_xlabel('Date', fontproperties=mplfont)
axes.set_ylabel(ylabel, color='b', fontproperties=mplfont)
axes.xaxis.set_major_formatter(DateFormatter("%H:%M\n%b-%d"))
axes.plot(tvals, dat, color='b', **plotopts)
for x in axes.get_xticklabels():
x.set_rotation(0)
x.set_ha('center')
axes.grid(True, zorder=-5)
if ts2 is not None:
if len(fig.get_axes()) < 2:
ax = axes.twinx()
axes = fig.get_axes()[1]
axes0 = fig.get_axes()[0]
axes0.set_zorder(axes.get_zorder()+10)
axes0.patch.set_visible(False)
axes0.grid(axes.get_zorder()-5)
axes.grid(False)
try:
axes.get_yaxis().get_major_formatter().set_useOffset(False)
except:
pass
if y2log:
axes.set_yscale('log', basey=10)
pos = np.where(dat2>0)
ts2 = ts2[pos]
dat2 = dat2[pos]
t2vals = [ts2date(t) for t in ts2]
if enums2 is not None:
pad = min(0.8, 0.1*len(enums2))
axes.set_ylim(-pad, len(enums2)-1+pad)
axes.set_yticks(range(len(enums2)))
axes.set_yticklabels(enums2)
plotopts['zorder'] = 20
axes.plot(t2vals, dat2, color='r', **plotopts)
axes.set_ylabel(y2label, color='r', fontproperties=mplfont)
if tmin is not None and tmax is not None:
axes.set_xlim((ts2date(tmin), ts2date(tmax)))
if y2min is not None or y2max is not None:
if y2min is not None:
y2min = float(y2min)
else:
y2min = min(dat2)
if y2max is not None:
y2max = float(y2max)
else:
y2max = max(dat2)
axes.set_ylim((y2min, y2max))
auto_margins(fig, canvas, axes, gspec)
if fname is None:
figdata = io.BytesIO()
fig.savefig(figdata, format='png', facecolor='#FDFDFA')
figdata.seek(0)
return base64.b64encode(figdata.getvalue())
else:
fig.savefig(fname)
return fname
def plot(
self,
fname=None,
ax1items=["VI", "In", "ov_N"],
ax2items=["q"],
xaxis="gamma",
xlim=None,
y1lim=None,
y2lim=None,
plotstyles={},
):
"""Plot things from a multiresolution plot.
ax1items: List of items to plot on axis 1 (left)
ax1items: List of items to plot on axis 2 (right)
Each item should be a name of something on the
MultiResolutionCorrelation object.
"""
# Recalculate all the stuff
table = self.table()
# remove NmiO if we don't have that attribute
if ax1items == ["VI", "In", "ov_N"] and "ov_N" in ax1items:
if "ov_N" not in table:
ax1items = ax1items[:]
ax1items.remove("ov_N")
# Silently remove any axis items that don't exist.
ax1items = [x for x in ax1items if x in table.keys()]
ax2items = [x for x in ax2items if x in table.keys()]
# Prepare plot figure
if fname:
from matplotlib.backends.backend_agg import Figure, FigureCanvasAgg
f = Figure()
c = FigureCanvasAgg(f)
else:
from matplotlib import pyplot
f = pyplot.gcf()
# Add axes
ax1 = f.add_subplot(111)
if xaxis in ("gamma",):
ax1.set_xscale("log")
ax2 = ax1.twinx()
# Defaults (move outside of the function eventually)
legenditems = []
defaultplotstyles = {
"gamma": dict(label="$\gamma$", color="blue", linestyle="-"),
"VI": dict(label="$VI$", color="blue", linestyle="-"),
"In": dict(label="$I_n$", color="red", linestyle="--"),
"N": dict(label="$N$", color="green", linestyle="-."),
"ov_N": dict(label="$N_{ov}$", color="green", linestyle="-."),
"q": dict(label="$q$", color="black", linestyle=":"),
"n_mean": dict(label="$<n>$", color="blue", linestyle=":"),
"ov_n_mean": dict(label="$<n_{ov}>$", color="green", linestyle=":"),
"entropy": dict(label="$H$", color="blue", linestyle="--"),
"F1": dict(label="$F_1$", color="red", linestyle="-"),
"ov_F1": dict(label="$F_{1,ov}$", color="green", linestyle="-"),
"s_F1": dict(label="$_sF_1$", color="cyan", linestyle="-"),
"s_F1_ov": dict(label="$F1_{s,ov}$", color="magenta"),
None: dict(), # defaults
}
plotstyles = plotstyles.copy()
plotstyles = recursive_dict_update(defaultplotstyles, plotstyles)
# Fill axes
def _processaxis(items, axN):
# One copy now, for modification of standard values.
for item in items:
plotstyle = plotstyles[item] = plotstyles.get(item, {}).copy()
x = table[xaxis]
y = table[item]
scale = plotstyle.get("scale", 1)
if "scale1" in plotstyle or item == "VI":
scale = int(numpy.ceil(numpy.max(y)))
plotstyle["scale"] = scale
if scale != 1:
label = plotstyle.get("label", item)
label = label + r"$/%s$" % scale
plotstyle["label"] = label
plotstyle["scale"] = scale
# Make another copy we'll use for kwargs to plot:
plotstyle = plotstyles.get(item, {}).copy()
scale = plotstyle.pop("scale", 1)
l = axN.plot(x, y / scale, **plotstyle)[0]
legenditems.append((l, plotstyle.get("label", item)))
_processaxis(ax1items, ax1)
_processaxis(ax2items, ax2)
# Legends and labels
ax2.legend(*zip(*legenditems), loc=0)
ax2.set_ylim(bottom=0)
def axLabels(axItems):
"""Look up axis labels for a list of items."""
for item in axItems:
plotstyle = plotstyles.get(item, {})
label = plotstyle.get("label", item)
# if 'scale' in plotstyle:
# label = (r'$%s\times$'%plotstyle['scale'])+label
yield label
ax1labels = ", "
ax1.set_ylabel(", ".join(axLabels(ax1items)))
ax2.set_ylabel(", ".join(axLabels(ax2items)))
ax1.set_xlabel(defaultplotstyles.get(xaxis, dict(label=xaxis))["label"])
if xlim:
ax1.set_xlim(*xlim)
if y1lim:
ax1.set_ylim(*y1lim)
if y2lim:
ax2.set_ylim(*y2lim)
if fname:
c.print_figure(fname, bbox_inches="tight")
return f
def plot(self,
fname=None,
ax1items=['VI', 'In', 'ov_N'],
ax2items=['q'],
xaxis='gamma',
xlim=None,
y1lim=None,
y2lim=None,
plotstyles={}):
"""Plot things from a multiresolution plot.
ax1items: List of items to plot on axis 1 (left)
ax1items: List of items to plot on axis 2 (right)
Each item should be a name of something on the
MultiResolutionCorrelation object.
"""
# Recalculate all the stuff
table = self.table()
# remove NmiO if we don't have that attribute
if ax1items == ['VI', 'In', 'ov_N'] and 'ov_N' in ax1items:
if 'ov_N' not in table:
ax1items = ax1items[:]
ax1items.remove('ov_N')
# Silently remove any axis items that don't exist.
ax1items = [x for x in ax1items if x in table.keys()]
ax2items = [x for x in ax2items if x in table.keys()]
# Prepare plot figure
if fname:
from matplotlib.backends.backend_agg import Figure, FigureCanvasAgg
f = Figure()
c = FigureCanvasAgg(f)
else:
from matplotlib import pyplot
f = pyplot.gcf()
# Add axes
ax1 = f.add_subplot(111)
if xaxis in ('gamma', ):
ax1.set_xscale('log')
ax2 = ax1.twinx()
# Defaults (move outside of the function eventually)
legenditems = []
defaultplotstyles = {
'gamma': dict(label='$\gamma$', color='blue', linestyle='-'),
'VI': dict(label='$VI$', color='blue', linestyle='-'),
'In': dict(label='$I_n$', color='red', linestyle='--'),
'N': dict(label='$N$', color='green', linestyle='-.'),
'ov_N': dict(label='$N_{ov}$', color='green', linestyle='-.'),
'q': dict(label='$q$', color='black', linestyle=':'),
'n_mean': dict(label='$<n>$', color='blue', linestyle=':'),
'ov_n_mean': dict(label='$<n_{ov}>$', color='green',
linestyle=':'),
'entropy': dict(label='$H$', color='blue', linestyle='--'),
'F1': dict(label='$F_1$', color='red', linestyle='-'),
'ov_F1': dict(label='$F_{1,ov}$', color='green', linestyle='-'),
's_F1': dict(label='$_sF_1$', color='cyan', linestyle='-'),
's_F1_ov': dict(label='$F1_{s,ov}$', color='magenta'),
None: dict(), # defaults
}
plotstyles = plotstyles.copy()
plotstyles = recursive_dict_update(defaultplotstyles, plotstyles)
# Fill axes
def _processaxis(items, axN):
# One copy now, for modification of standard values.
for item in items:
plotstyle = plotstyles[item] = plotstyles.get(item, {}).copy()
x = table[xaxis]
y = table[item]
scale = plotstyle.get('scale', 1)
if 'scale1' in plotstyle or item == 'VI':
scale = int(numpy.ceil(numpy.max(y)))
plotstyle['scale'] = scale
if scale != 1:
label = plotstyle.get('label', item)
label = label + r'$/%s$' % scale
plotstyle['label'] = label
plotstyle['scale'] = scale
# Make another copy we'll use for kwargs to plot:
plotstyle = plotstyles.get(item, {}).copy()
scale = plotstyle.pop('scale', 1)
l = axN.plot(x, y / scale, **plotstyle)[0]
legenditems.append((l, plotstyle.get('label', item)))
_processaxis(ax1items, ax1)
_processaxis(ax2items, ax2)
# Legends and labels
ax2.legend(*zip(*legenditems), loc=0)
ax2.set_ylim(bottom=0)
def axLabels(axItems):
"""Look up axis labels for a list of items."""
for item in axItems:
plotstyle = plotstyles.get(item, {})
label = plotstyle.get('label', item)
#if 'scale' in plotstyle:
# label = (r'$%s\times$'%plotstyle['scale'])+label
yield label
ax1labels = ', '
ax1.set_ylabel(', '.join(axLabels(ax1items)))
ax2.set_ylabel(', '.join(axLabels(ax2items)))
ax1.set_xlabel(
defaultplotstyles.get(xaxis, dict(label=xaxis))['label'])
if xlim: ax1.set_xlim(*xlim)
if y1lim: ax1.set_ylim(*y1lim)
if y2lim: ax2.set_ylim(*y2lim)
if fname:
c.print_figure(fname, bbox_inches='tight')
return f
def nosql_draw(check_func, rchip1_fpath, rchip2_fpath, kpts1, kpts2):
# This gets executed in the child thread and does drawing async style
#from matplotlib.backends.backend_pdf import FigureCanvasPdf as FigureCanvas
#from matplotlib.backends.backend_pdf import Figure
#from matplotlib.backends.backend_svg import FigureCanvas
#from matplotlib.backends.backend_svg import Figure
from matplotlib.backends.backend_agg import FigureCanvas
try:
from matplotlib.backends.backend_agg import Figure
except ImportError:
from matplotlib.figure import Figure
kpts1_ = vt.offset_kpts(kpts1, (0, 0), (resize_factor, resize_factor))
kpts2_ = vt.offset_kpts(kpts2, (0, 0), (resize_factor, resize_factor))
#from matplotlib.figure import Figure
if check_func is not None and check_func():
return
rchip1 = vt.imread(rchip1_fpath)
rchip1 = vt.resize_image_by_scale(rchip1, resize_factor)
if check_func is not None and check_func():
return
rchip2 = vt.imread(rchip2_fpath)
rchip2 = vt.resize_image_by_scale(rchip2, resize_factor)
if check_func is not None and check_func():
return
try:
idx = cm.daid2_idx[daid]
fm = cm.fm_list[idx]
fsv = None if cm.fsv_list is None else cm.fsv_list[idx]
fs = None if fsv is None else fsv.prod(axis=1)
except KeyError:
fm = []
fs = None
fsv = None
maxnum = 200
if fs is not None and len(fs) > maxnum:
# HACK TO ONLY SHOW TOP MATCHES
sortx = fs.argsort()[::-1]
fm = fm.take(sortx[:maxnum], axis=0)
fs = fs.take(sortx[:maxnum], axis=0)
was_interactive = mpl.is_interactive()
if was_interactive:
mpl.interactive(False)
#fnum = 32
fig = Figure()
canvas = FigureCanvas(fig) # NOQA
#fig.clf()
ax = fig.add_subplot(1, 1, 1)
if check_func is not None and check_func():
return
#fig = pt.plt.figure(fnum)
#H1 = np.eye(3)
#H2 = np.eye(3)
#H1[0, 0] = .5
#H1[1, 1] = .5
#H2[0, 0] = .5
#H2[1, 1] = .5
ax, xywh1, xywh2 = pt.show_chipmatch2(rchip1, rchip2, kpts1_, kpts2_, fm,
fs=fs, colorbar_=False, ax=ax)
if check_func is not None and check_func():
return
savekw = {
# 'dpi' : 60,
'dpi' : 80,
}
axes_extents = pt.extract_axes_extents(fig)
#assert len(axes_extents) == 1, 'more than one axes'
extent = axes_extents[0]
with io.BytesIO() as stream:
# This call takes 23% - 15% of the time depending on settings
fig.savefig(stream, bbox_inches=extent, **savekw)
stream.seek(0)
data = np.fromstring(stream.getvalue(), dtype=np.uint8)
if check_func is not None and check_func():
return
pt.plt.close(fig)
image = cv2.imdecode(data, 1)
thumbsize = 221
max_dsize = (thumbsize, thumbsize)
dsize, sx, sy = vt.resized_clamped_thumb_dims(vt.get_size(image), max_dsize)
if check_func is not None and check_func():
return
image = vt.resize(image, dsize)
vt.imwrite(fpath, image)
if check_func is not None and check_func():
return
def time_histogram(request):
form = TimePersonForm(request.GET)
if not form.is_valid():
pass
else:
q = form.cleaned_data["q"]
use_regex = form.cleaned_data.get("regex", False)
if use_regex:
regex_pattern = re.compile(q, re.I)
matches = get_time_slots(**form.cleaned_data)
H = cava.util.Histogram()
for slot in matches:
intervals = cava.util.parseslot(slot.shift(), slot.name)
for name, start, end in intervals:
if not ((not use_regex and q.lower() in name.lower()) or (use_regex and regex_pattern.search(name))):
continue
start_mins = _time_since_weekstart(start)
end_mins = _time_since_weekstart(end)
# if start_mins == 970 or end_mins == 970:
# print start_mins, end_mins
if end_mins > start_mins:
H.add(start_mins, end_mins)
else:
H.add(start_mins, 10080)
H.add(0, end_mins)
plot_rows = [(0, 0)]
rows = []
for time, count in H.rows():
plot_rows.append((time / 1440.0, plot_rows[-1][1]))
rows.append(dict(count=count, time=time, day=time // 1440, hour=time % 1440 // 60, minute=time % 60))
plot_rows.append((time / 1440.0, count))
img_path = request.get_full_path() + "&img=1"
# print 'w'
# for row in rows:
# pass
# print 'x'
# for t, c in plot_rows:
# if .5 < t < .8:
# print t, c
# print 'y'
# for t, c in H.rows():
# if 800 < t < 1200:
# print t, c
if "img" in request.REQUEST:
import tempfile
tmpdir = tempfile.mkdtemp()
os.environ["MPLCONFIGDIR"] = tmpdir
from matplotlib.backends.backend_agg import Figure, FigureCanvasAgg
f = Figure()
c = FigureCanvasAgg(f)
ax = f.add_subplot(111)
ax.set_xlabel("Days (0=Monday, 1=Tuesday, etc)")
ax.set_ylabel("Number of times on call")
for dayx, day in zip((0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 6.5), "MTWTFSS"):
ax.text(x=dayx, y=0.5, s=day)
ts, cs = zip(*plot_rows)
ax.plot(ts, cs)
ax.set_xlim(0, 7)
for i in range(1, 7):
ax.axvline(x=i, color="gray", linestyle="--")
import cStringIO
p = cStringIO.StringIO()
c.print_figure(p, bbox_inches="tight")
import shutil
shutil.rmtree(tmpdir)
response = HttpResponse(p.getvalue(), mimetype="image/png")
return response
template = django.template.loader.get_template("cava/time_histogram.html")
body = template.render(RequestContext(request, locals()))
return HttpResponse(body)