def format_figure(fig: plt.Figure,
title: str = None,
x_label: str = None,
y_label: str = None,
title_y_position: float = 0.93):
fig.set_figwidth(12)
fig.set_figheight(8)
fig.set_facecolor("white")
if title is not None:
fig.suptitle(title,
y=title_y_position,
verticalalignment='top',
fontsize=24)
axes = fig.axes
for ax in axes:
ax.spines['top'].set_color('white')
ax.spines['right'].set_color('white')
ax.set_facecolor("white")
ax.xaxis.grid(which="both", linewidth=0.5)
ax.yaxis.grid(which="both", linewidth=0.5)
ax.xaxis.label.set_fontsize(18)
ax.yaxis.label.set_fontsize(18)
ax.title.set_fontsize(20)
if x_label is not None:
fig.text(0.5, 0.04, x_label, ha='center', fontdict={'size': 18})
if y_label is not None:
fig.text(0.04,
0.5,
y_label,
va='center',
rotation='vertical',
fontdict={'size': 18})
def plot_rt(fig: plt.Figure, target_df: pd.DataFrame, ax: plt.Axes,
county_name: str) -> None:
above = [1, 0, 0]
middle = [1, 1, 1]
below = [0, 0, 0]
cmap = ListedColormap(np.r_[np.linspace(below, middle, 25),
np.linspace(middle, above, 25)])
color_mapped = lambda y: np.clip(y, .5, 1.5) - .5
target_df = target_df.loc[(
target_df.index.get_level_values('name') == county_name)]
start_dt = pd.to_datetime(
target_df['Rt'].index.get_level_values('Date').min())
index = pd.to_datetime(target_df['Rt'].index.get_level_values('Date'))
values = target_df['Rt'].values
# Plot dots and line
ax.plot(index, values, c='k', zorder=1, alpha=.25)
ax.scatter(index,
values,
s=40,
lw=.5,
c=cmap(color_mapped(values)),
edgecolors='k',
zorder=2)
# Aesthetically, extrapolate credible interval by 1 day either side
lowfn = interp1d(date2num(index),
target_df['90_CrI_LB'].values,
bounds_error=False,
fill_value='extrapolate')
highfn = interp1d(date2num(index),
target_df['90_CrI_UB'].values,
bounds_error=False,
fill_value='extrapolate')
extended = pd.date_range(start=start_dt - pd.Timedelta(days=3),
end=index[-1] + pd.Timedelta(days=1))
ax.fill_between(extended,
lowfn(date2num(extended)),
highfn(date2num(extended)),
color='k',
alpha=.1,
lw=0,
zorder=3)
ax.axhline(1.0, c='k', lw=1, label='$R_t=1.0$', alpha=.25)
ax.set_title(f'{county_name}',
loc='left',
fontsize=20,
fontweight=0,
color='#375A97')
# Formatting
ax.xaxis.set_major_locator(mdates.MonthLocator())
ax.xaxis.set_major_formatter(mdates.DateFormatter('%b'))
ax.xaxis.set_minor_locator(mdates.DayLocator())
ax.yaxis.set_major_locator(ticker.MultipleLocator(1))
ax.yaxis.set_major_formatter(ticker.StrMethodFormatter("{x:.1f}"))
ax.yaxis.tick_right()
ax.spines['left'].set_visible(False)
ax.spines['bottom'].set_visible(False)
ax.spines['right'].set_visible(False)
ax.margins(0)
ax.grid(which='major', axis='y', c='k', alpha=.1, zorder=-2)
ax.margins(0)
ax.set_ylim(0.0, 5.0)
ax.set_xlim(
start_dt - pd.Timedelta(days=3),
target_df.index.get_level_values('Date')[-1] + pd.Timedelta(days=1))
ax.xaxis.set_major_locator(mdates.WeekdayLocator())
ax.xaxis.set_major_formatter(mdates.DateFormatter('%b %d'))
fig.set_facecolor('w')
class Graph(tk.Frame):
ax, original_xlim, original_ylim, coll, pick_id = None, None, None, None, None
start_end_bool = -1 # 0 is start, 1 is end, -1 is None
start_index, end_index, move_index, remove_index = 0, None, None, None
max_time, max_speed, max_height, min_height = 0, 0, 0, 0
data = []
connect_ids, move_ids = [], []
current_color_scheme = 'd'
def __init__(self, master):
super().__init__(master)
self.master = master
self.fig = Figure(figsize=(10, 7), dpi=100, tight_layout=True)
self.fig.set_facecolor('#f0f0ed')
self.zoom_pan = GraphInteractions.ZoomPan()
self.master_string = tk.StringVar()
self.canvas = FigureCanvasTkAgg(self.fig, self)
self.canvas.draw()
self.canvas.get_tk_widget().pack(side=tk.TOP, fill=tk.BOTH, expand=1)
def redraw(self, input_file_location):
x, y, c = zip(*self.read_data(input_file_location))
self.fig.clear()
self.ax = self.fig.add_subplot(111, frameon=False)
self.coll = self.ax.scatter(x, y, color=c, picker=True)
self.end_index = len(self.data) - 1
self.connect_ids.append(
GraphInteractions.ZoomPan.zoom_factory(self.zoom_pan,
self.ax,
base_scale=1.3))
self.connect_ids.extend(
GraphInteractions.ZoomPan.pan_factory(self.zoom_pan, self.ax))
self.original_xlim = self.ax.get_xlim()
self.original_ylim = self.ax.get_ylim()
self.canvas.draw()
def redraw_color(self, x, y, c):
self.fig.clear()
self.ax = self.fig.add_subplot(111, frameon=False)
self.coll = self.ax.scatter(x, y, color=c, picker=True)
self.ax.set_xlim(self.zoom_pan.cur_xlim)
self.ax.set_ylim(self.zoom_pan.cur_ylim)
self.connect_ids.append(
GraphInteractions.ZoomPan.zoom_factory(self.zoom_pan,
self.ax,
base_scale=1.3))
self.connect_ids.extend(
GraphInteractions.ZoomPan.pan_factory(self.zoom_pan, self.ax))
self.canvas.draw()
def reset_zoom(self):
self.ax.set_xlim(self.original_xlim)
self.ax.set_ylim(self.original_ylim)
self.ax.figure.canvas.draw() # force re-draw
def reset_start(self, master_string):
self.start_index = 0
master_string.set("")
self.redraw_ext()
def reset_end(self, master_string):
self.end_index = len(self.data) - 1
master_string.set("")
self.redraw_ext()
def read_data(self, input_file_location):
x_array = []
y_array = []
color_array = []
self.data.clear()
json_file = open(input_file_location, "r")
file_data = json.load(json_file)
json_file.close()
old_time, old_x, old_y = 0, file_data['recording']['path'][0][
'x'], file_data['recording']['path'][0]['y']
self.max_time, self.max_speed, self.max_height, self.min_height = 0, 0, 0, file_data[
'recording']['path'][0]['z']
speed = 0
for time in file_data['recording']['path']:
x_array.append(time['x'])
y_array.append(time['y'])
time_div = time['t'] - old_time
if time['t'] > self.max_time:
self.max_time = time['t']
if time_div != 0:
speed = distance(time['x'], old_x, time['y'], old_y) / time_div
if speed > self.max_speed:
self.max_speed = speed
if time['z'] > self.max_height:
self.max_height = time['z']
elif time['z'] < self.min_height:
self.min_height = time['z']
self.data.append(
[time['x'], time['y'], time['t'], speed, time['z']])
color_array.append('tab:blue')
old_time = time['t']
old_x, old_y = time['x'], time['y']
return zip(x_array, y_array, color_array)
def redraw_ext(self):
for cid in self.connect_ids:
self.canvas.mpl_disconnect(cid)
self.connect_ids.clear()
x = []
y = []
c = []
for idx, row in enumerate(self.data):
x.append(row[0])
y.append(row[1])
if idx == self.start_index or idx == self.end_index or idx == self.remove_index:
c.append('tab:red')
elif idx < self.start_index or idx > self.end_index or\
(self.start_index == 0 and self.end_index == len(self.data) - 1):
c.append('tab:blue')
elif self.start_index < idx < self.end_index:
c.append('c')
self.redraw_color(x, y, c)
def redraw_simp(self):
for cid in self.connect_ids:
self.canvas.mpl_disconnect(cid)
self.connect_ids.clear()
x = []
y = []
c = []
for idx, row in enumerate(self.data):
x.append(row[0])
y.append(row[1])
if idx == self.move_index:
c.append('tab:red')
else:
c.append('tab:blue')
self.redraw_color(x, y, c)
def change_color(self, event):
if event.mouseevent.button != 1: return
if self.start_end_bool == 0:
self.start_index = event.ind[0]
elif self.start_end_bool == 1:
self.end_index = event.ind[0]
elif self.start_end_bool == 2:
self.remove_index = event.ind[0]
self.redraw_ext()
self.master_string.set(
'x: %.4f, y: %.4f' %
(self.data[event.ind[0]][0], self.data[event.ind[0]][1]))
def show_time(self):
self.current_color_scheme = 't'
for cid in self.connect_ids:
self.canvas.mpl_disconnect(cid)
self.connect_ids.clear()
x = []
y = []
c = []
for idx, row in enumerate(self.data):
x.append(row[0])
y.append(row[1])
gradient = row[2] / self.max_time
c.append((0, 1 - gradient, gradient))
self.redraw_color(x, y, c)
def show_speed(self):
self.current_color_scheme = 's'
for cid in self.connect_ids:
self.canvas.mpl_disconnect(cid)
self.connect_ids.clear()
x = []
y = []
c = []
for idx, row in enumerate(self.data):
x.append(row[0])
y.append(row[1])
gradient = row[3] / self.max_speed
c.append((1 - gradient, gradient, 0))
self.redraw_color(x, y, c)
def show_height(self):
self.current_color_scheme = 'h'
for cid in self.connect_ids:
self.canvas.mpl_disconnect(cid)
self.connect_ids.clear()
x = []
y = []
c = []
for idx, row in enumerate(self.data):
x.append(row[0])
y.append(row[1])
gradient = (row[4] - self.min_height) / (self.max_height -
self.min_height)
c.append((gradient * 0.5 + 0.5, gradient * 0.8, gradient * 0.8))
self.redraw_color(x, y, c)
def reset_color(self):
self.current_color_scheme = 'd'
for cid in self.connect_ids:
self.canvas.mpl_disconnect(cid)
self.connect_ids.clear()
x = []
y = []
c = []
for idx, row in enumerate(self.data):
x.append(row[0])
y.append(row[1])
c.append('tab:blue')
self.redraw_color(x, y, c)
def attach_start_stop(self, master_string_var, start_end):
self.detach_start_stop()
self.start_end_bool = start_end
self.master_string = master_string_var
self.pick_id = self.canvas.mpl_connect('pick_event', self.change_color)
def detach_start_stop(self):
if self.pick_id is None: return
self.start_end_bool = -1
self.canvas.mpl_disconnect(self.pick_id)
for move_id in self.move_ids:
self.canvas.mpl_disconnect(move_id)
def attach_move_node(self):
def on_press(event):
if event.mouseevent.button != 1: return
self.move_index = event.ind[0]
self.master.move_node_location.set(
'x: %.4f, y: %.4f' %
(self.data[self.move_index][0], self.data[self.move_index][1]))
def on_release(event):
self.redraw_simp()
def on_motion(event):
if event.button != 1: return
self.data[self.move_index][0] = event.xdata
self.data[self.move_index][1] = event.ydata
self.master.move_node_location.set(
'x: %.4f, y: %.4f' %
(self.data[self.move_index][0], self.data[self.move_index][1]))
self.redraw_simp()
self.detach_start_stop()
self.pick_id = self.canvas.mpl_connect('pick_event', on_press)
self.move_ids.append(
self.canvas.mpl_connect('key_press_event', self.move_node_button))
self.move_ids.append(
self.canvas.mpl_connect('button_release_event', on_release))
self.move_ids.append(
self.canvas.mpl_connect('motion_notify_event', on_motion))
def attach_remove_node(self, master_string):
self.detach_start_stop()
self.start_end_bool = 2
self.master_string = master_string
self.pick_id = self.canvas.mpl_connect('pick_event', self.change_color)
def next_start(self, master_string, diff):
self.start_index += diff
if self.start_index < 0:
self.start_index = 0
self.redraw_ext()
master_string.set(
'x: %.4f, y: %.4f' %
(self.data[self.start_index][0], self.data[self.start_index][1]))
def next_end(self, master_string, diff):
self.end_index += diff
if self.end_index > len(self.data) - 1:
self.end_index = len(self.data) - 1
self.redraw_ext()
master_string.set(
'x: %.4f, y: %.4f' %
(self.data[self.end_index][0], self.data[self.end_index][1]))
def move_node_button(self, event):
direction = ""
if event.key == "up":
direction = "N"
elif event.key == "right":
direction = "E"
elif event.key == "down":
direction = "S"
elif event.key == "left":
direction = "W"
if direction != "":
self.move_node(direction, float(self.master.move_entry.get()))
def move_node(self, direction, move_distance):
if direction == "N":
self.data[self.move_index][1] += move_distance
elif direction == "E":
self.data[self.move_index][0] += move_distance
elif direction == "S":
self.data[self.move_index][1] -= move_distance
elif direction == "W":
self.data[self.move_index][0] -= move_distance
self.master.move_node_location.set(
'x: %.4f, y: %.4f' %
(self.data[self.move_index][0], self.data[self.move_index][1]))
self.redraw_simp()
def remove_node(self):
del self.data[self.remove_index]
self.end_index = len(self.data) - 1
self.redraw_ext()
self.master_string.set(
'x: %.4f, y: %.4f' %
(self.data[self.remove_index][0], self.data[self.remove_index][1]))
def apply_local_speedup(self, value):
speedup = 1
speed = 0
previous_time = 0
previous_old_time = 0
old_x, old_y = self.data[0][0], self.data[0][1]
for idx, row in enumerate(self.data):
if self.start_index == idx:
speedup = 1 - float(value) / 100
elif self.end_index == idx:
speedup = 1
old_time = row[2]
if old_time < previous_old_time:
previous_old_time = old_time / 2
row[2] = previous_time + (min(old_time - previous_old_time, 2) *
speedup)
time_div = row[2] - previous_time
if row[2] > self.max_time:
self.max_time = row[2]
if time_div != 0:
speed = distance(row[0], old_x, row[1], old_y) / time_div
if speed > self.max_speed:
self.max_speed = speed
row[3] = speed
previous_time = row[2]
previous_old_time = old_time
old_x, old_y = row[0], row[1]
self.update_unknown()
def update_unknown(self):
if self.current_color_scheme == 'h':
self.show_height()
elif self.current_color_scheme == 's':
self.show_speed()
elif self.current_color_scheme == 't':
self.show_time()
else:
self.reset_color()
