def _make_curves(self):
(index_points, value_points) = self._get_points()
size = len(index_points)
middle_value = 2500000.0
mid_values = middle_value * ones(size)
low_values = mid_values - 10000.0 * value_points
high_values = mid_values + 20000.0 * value_points
idx = ArrayDataSource(index_points)
vals = ArrayDataSource(low_values, sort_order="none")
idx2 = ArrayDataSource(index_points)
vals2 = ArrayDataSource(high_values, sort_order="none")
starting_vals = ArrayDataSource(mid_values, sort_order="none")
# Create the index range
index_range = DataRange1D(idx, low=0.5, high=9.5)
index_mapper = LinearMapper(range=index_range)
# Create the value range
value_range = DataRange1D(vals,
vals2,
low_setting='auto',
high_setting='auto',
tight_bounds=False)
value_mapper = LinearMapper(range=value_range, tight_bounds=False)
# Create the plot
plot1 = BarPlot(index=idx,
value=vals,
value_mapper=value_mapper,
index_mapper=index_mapper,
starting_value=starting_vals,
line_color='black',
orientation='v',
fill_color=tuple(COLOR_PALETTE[6]),
bar_width=0.8,
antialias=False)
plot2 = BarPlot(index=idx2,
value=vals2,
value_mapper=value_mapper,
index_mapper=index_mapper,
starting_value=starting_vals,
line_color='black',
orientation='v',
fill_color=tuple(COLOR_PALETTE[1]),
bar_width=0.8,
antialias=False)
return [plot1, plot2]
def __init__(self, link):
super(TrackingView, self).__init__()
self.link = link
self.link.add_callback(MSG_TRACKING_SNRS, self.tracking_snrs_callback)
# ======= Line Plot =======
self.plot_data = ArrayPlotData(t=[0.0])
self.plot = Plot(self.plot_data, auto_colors=colours_list)
self.plot.value_range.tight_bounds = False
self.plot.value_range.low_setting = 0.0
for n in range(TRACK_N_CHANNELS):
self.plot_data.set_data('ch'+str(n), [0.0])
self.plot.plot(('t', 'ch'+str(n)), type='line', color='auto')
# ======= Bar Plot =======
idxs = ArrayDataSource(range(1, len(self.snrs)+1))
self.vals = ArrayDataSource(self.snrs, sort_order='none')
# Create the index range
index_range = DataRange1D(idxs, low=0.4, high=TRACK_N_CHANNELS+0.6)
index_mapper = LinearMapper(range=index_range)
# Create the value range
value_range = DataRange1D(low=0.0, high=25.0)
value_mapper = LinearMapper(range=value_range)
plot = BarPlot(index=idxs, value=self.vals,
index_mapper=index_mapper, value_mapper=value_mapper,
line_color='blue', fill_color='blue', bar_width=0.8)
container = OverlayPlotContainer(bgcolor = "white")
plot.padding = 10
plot.padding_left = 30
plot.padding_bottom = 30
container.add(plot)
left_axis = PlotAxis(plot, orientation='left')
bottom_axis = LabelAxis(plot, orientation='bottom',
labels = map(str, range(1, TRACK_N_CHANNELS+1)),
positions = range(1, TRACK_N_CHANNELS+1),
small_haxis_style=True)
plot.underlays.append(left_axis)
plot.underlays.append(bottom_axis)
self.snr_bars = container
self.python_console_cmds = {
'track': self
}
def _bar_plot_default(self):
# Default data
idx = np.array([1, 2, 3, 4, 5])
vals = np.array([2, 4, 7, 4, 3])
# Mappers
index = ArrayDataSource(idx)
index_range = DataRange1D(index, low=0.5, high=5.5)
index_mapper = LinearMapper(range=index_range)
value = ArrayDataSource(vals)
value_range = DataRange1D(value, low=0)
value_mapper = LinearMapper(range=value_range)
# The bar plot
plot = BarPlot(
index=index,
value=value,
value_mapper=value_mapper,
index_mapper=index_mapper,
line_color="black",
fill_color="cornflowerblue",
bgcolor="white",
bar_width=self.bar_width,
line_width=self.line_width,
)
return plot
def drawBar(self,
indexsrc,
indexmapper,
valuesrc,
valuemapper,
color,
startval=None):
return BarPlot(index=indexsrc,
value=valuesrc,
index_mapper=indexmapper,
value_mapper=valuemapper,
starting_value=startval,
line_color=0x202020,
fill_color=color,
bar_width=1.0,
orientation='v')
def _create_vol_plot(self, times, volumes, height=100):
"Creates and returns the volume plot"
index_range = self.price_plot.index_range
vol_plot = BarPlot(
index=times,
value=volumes,
index_mapper=LinearMapper(range=index_range),
value_mapper=LinearMapper(range=DataRange1D(volumes)),
line_color="transparent",
fill_color="black",
bar_width=1.0,
bar_width_type="screen",
antialias=False,
height=100,
resizable="h",
bgcolor="white",
border_visible=True)
vol_plot.tools.append(
PanTool(vol_plot, constrain=True, constrain_direction="x"))
return vol_plot
def new_series(self, x=None, y=None, plotid=0, **kw):
'''
'''
plot, scatter, _line = super(ResidualsGraph,
self).new_series(x=x,
y=y,
plotid=plotid,
**kw)
for underlay in plot.underlays:
if underlay.orientation == 'bottom':
underlay.visible = False
underlay.padding_bottom = 0
plot.padding_bottom = 0
x, y, res = self.calc_residuals(plotid=plotid)
ressplit = self._split_residual(x, res)
resneg = ArrayDataSource(ressplit[1])
xneg = ArrayDataSource(ressplit[0])
respos = ArrayDataSource(ressplit[3])
xpos = ArrayDataSource(ressplit[2])
yrange = DataRange1D(ArrayDataSource(res))
ymapper = LinearMapper(range=yrange)
container = self._container_factory(type='o',
padding=[50, 15, 0, 30],
height=75,
resizable='h')
bar = BarPlot(
index=xneg,
value=resneg,
index_mapper=scatter.index_mapper,
value_mapper=ymapper,
bar_width=0.2,
line_color='blue',
fill_color='blue',
border_visible=True,
)
# left_axis = PlotAxis(bar, orientation = 'left')
# bottom_axis=PlotAxis(bar,orientaiton='bottom')
kw = dict(vtitle='residuals')
if self.xtitle:
kw['htitle'] = self.xtitle
add_default_axes(bar, **kw)
hgrid = PlotGrid(mapper=ymapper,
component=bar,
orientation='horizontal',
line_color='lightgray',
line_style='dot')
bar.underlays.append(hgrid)
# bar.underlays.append(left_axis)
# bar.underlays.append(bottom_axis)
bar2 = BarPlot(
index=xpos,
value=respos,
index_mapper=scatter.index_mapper,
value_mapper=ymapper,
bar_width=0.2,
line_color='green',
fill_color='green',
# bgcolor = 'green',
resizable='hv',
border_visible=True,
# padding = [30, 5, 0, 30]
)
bar2.overlays.append(GuideOverlay(bar2, value=0, color=(0, 0, 0)))
bar2.underlays.append(hgrid)
container.add(bar)
container.add(bar2)
# container.add(PlotLabel('foo'))
self.residual_plots = [bar, bar2]
self.plotcontainer.add(container)
def _create_plot_component():
# Create the data and datasource objects
numpoints = 500
index = arange(numpoints)
returns = random.lognormal(0.01, 0.1, size=numpoints)
price = 100.0 * cumprod(returns)
volume = abs(random.normal(1000.0, 1500.0, size=numpoints) + 2000.0)
time_ds = ArrayDataSource(index)
vol_ds = ArrayDataSource(volume, sort_order="none")
price_ds = ArrayDataSource(price, sort_order="none")
xmapper = LinearMapper(range=DataRange1D(time_ds))
vol_mapper = LinearMapper(range=DataRange1D(vol_ds))
price_mapper = LinearMapper(range=DataRange1D(price_ds))
price_plot = FilledLinePlot(index=time_ds,
value=price_ds,
index_mapper=xmapper,
value_mapper=price_mapper,
edge_color="blue",
face_color="paleturquoise",
alpha=0.5,
bgcolor="white",
border_visible=True)
add_default_grids(price_plot)
price_plot.overlays.append(PlotAxis(price_plot, orientation='left'))
price_plot.overlays.append(PlotAxis(price_plot, orientation='bottom'))
price_plot.tools.append(
PanTool(price_plot, constrain=True, constrain_direction="x"))
price_plot.overlays.append(
ZoomTool(price_plot,
drag_button="right",
always_on=True,
tool_mode="range",
axis="index"))
vol_plot = BarPlot(index=time_ds,
value=vol_ds,
index_mapper=xmapper,
value_mapper=vol_mapper,
line_color="transparent",
fill_color="black",
bar_width=1.0,
bar_width_type="screen",
antialias=False,
height=100,
resizable="h",
bgcolor="white",
border_visible=True)
add_default_grids(vol_plot)
vol_plot.underlays.append(PlotAxis(vol_plot, orientation='left'))
vol_plot.tools.append(
PanTool(vol_plot, constrain=True, constrain_direction="x"))
container = VPlotContainer(bgcolor="lightblue",
spacing=20,
padding=50,
fill_padding=False)
container.add(vol_plot)
container.add(price_plot)
container.overlays.append(
PlotLabel(
"Financial Plot",
component=container,
#font="Times New Roman 24"))
font="Arial 24"))
return container
def _create_plot(self):
# count data
if len(self.df) > 0:
self.indexes = np.arange(len(self.df.date_time))
time_ds = ArrayDataSource(self.indexes)
vol_ds = ArrayDataSource(self.df.volumn.values, sort_order="none")
xmapper = LinearMapper(range=DataRange1D(time_ds))
vol_mapper = LinearMapper(range=DataRange1D(vol_ds))
####################################################################
# create volumn plot
vol_plot = BarPlot(index=time_ds, value=vol_ds,
index_mapper=xmapper,
value_mapper=vol_mapper,
line_color="transparent",
fill_color="blue",
bar_width=0.6,
antialias=False,
height=100,
resizable="h",
origin="bottom left",
bgcolor="white",
border_visible=True
)
vol_plot.padding = 30
vol_plot.padding_left = 40
vol_plot.tools.append(
PanTool(vol_plot, constrain=True, constrain_direction="x"))
add_default_grids(vol_plot)
add_default_axes(vol_plot)
#print vol_plot.index_mapper.range.high
#print vol_plot.value_mapper.range.low, vol_plot.value_mapper.range.high
self.vol_plot = vol_plot
self.container.add(vol_plot)
####################################################################
## Create price plot
sorted_vals = np.vstack(
(self.df.open, self.df.high, self.df.low, self.df.close))
sorted_vals.sort(0)
__bool = self.df.close.values - self.df.open.values
self.up_boolean = __bool >= 0
self.down_boolean = np.invert(self.up_boolean)
pd = ArrayPlotData(
up_index=self.indexes[self.up_boolean],
up_min=sorted_vals[0][self.up_boolean],
up_bar_min=sorted_vals[1][self.up_boolean],
up_bar_max=sorted_vals[2][self.up_boolean],
up_max=sorted_vals[3][self.up_boolean],
down_index=self.indexes[self.down_boolean],
down_min=sorted_vals[0][self.down_boolean],
down_bar_min=sorted_vals[1][self.down_boolean],
down_bar_max=sorted_vals[2][self.down_boolean],
down_max=sorted_vals[3][self.down_boolean],
volumn=self.df.volumn.values,
index=self.indexes
)
price_plot = Plot(pd)
up_plot = price_plot.candle_plot(
("up_index", "up_min", "up_bar_min", "up_bar_max", "up_max"),
color=color_red,
bgcolor="azure",
bar_line_color="black",
stem_color="black",
end_cap=False)[0]
down_plot = price_plot.candle_plot(
("down_index", "down_min", "down_bar_min",
"down_bar_max", "down_max"),
color=color_green,
bar_line_color="black",
stem_color="black",
end_cap=False)[0]
price_plot.fill_padding = True
price_plot.padding = 30
price_plot.padding_left = 40
price_plot.tools.append(ZoomTool(component=price_plot, tool_mode="box", zoom_factor=1.2, always_on=False))
price_plot.tools.append(PanTool(price_plot, drag_button="left"))
price_plot.tools.append(
XYTool(price_plot, callback=self._update_ohlc)) # get data
self._add_line_tool(up_plot)
self._add_line_tool(down_plot)
price_plot.range2d = self._compute_range2d()
price_plot.index_mapper = vol_plot.index_mapper # maper vol_plot and price_plot
self.price_plot = price_plot
self.container.add(price_plot)
def _create_plot_component():
# Create the data and datasource objects
# In order for the date axis to work, the index data points need to
# be in units of seconds since the epoch. This is because we are using
# the CalendarScaleSystem, whose formatters interpret the numerical values
# as seconds since the epoch.
numpoints = 500
index = create_dates(numpoints)
returns = random.lognormal(0.01, 0.1, size=numpoints)
price = 100.0 * cumprod(returns)
volume = abs(random.normal(1000.0, 1500.0, size=numpoints) + 2000.0)
time_ds = ArrayDataSource(index)
vol_ds = ArrayDataSource(volume, sort_order="none")
price_ds = ArrayDataSource(price, sort_order="none")
xmapper = LinearMapper(range=DataRange1D(time_ds))
vol_mapper = LinearMapper(range=DataRange1D(vol_ds))
price_mapper = LinearMapper(range=DataRange1D(price_ds))
price_plot = FilledLinePlot(index=time_ds,
value=price_ds,
index_mapper=xmapper,
value_mapper=price_mapper,
edge_color="blue",
face_color="paleturquoise",
bgcolor="white",
border_visible=True)
price_plot.overlays.append(PlotAxis(price_plot, orientation='left')),
# Set the plot's bottom axis to use the Scales ticking system
bottom_axis = PlotAxis(
price_plot,
orientation="bottom", # mapper=xmapper,
tick_generator=ScalesTickGenerator(scale=CalendarScaleSystem()))
price_plot.overlays.append(bottom_axis)
hgrid, vgrid = add_default_grids(price_plot)
vgrid.tick_generator = bottom_axis.tick_generator
price_plot.tools.append(
PanTool(price_plot, constrain=True, constrain_direction="x"))
price_plot.overlays.append(
ZoomTool(
price_plot,
drag_button="right",
always_on=True,
tool_mode="range",
axis="index",
max_zoom_out_factor=10.0,
))
vol_plot = BarPlot(index=time_ds,
value=vol_ds,
index_mapper=xmapper,
value_mapper=vol_mapper,
line_color="transparent",
fill_color="black",
bar_width=1.0,
bar_width_type="screen",
antialias=False,
height=100,
resizable="h",
bgcolor="white",
border_visible=True)
hgrid, vgrid = add_default_grids(vol_plot)
# Use the same tick generator as the x-axis on the price plot
vgrid.tick_generator = bottom_axis.tick_generator
vol_plot.underlays.append(PlotAxis(vol_plot, orientation='left'))
vol_plot.tools.append(
PanTool(vol_plot, constrain=True, constrain_direction="x"))
container = VPlotContainer(bgcolor="lightblue",
spacing=40,
padding=50,
fill_padding=False)
container.add(vol_plot)
container.add(price_plot)
container.overlays.append(
PlotLabel(
"Financial Plot with Date Axis",
component=container,
#font="Times New Roman 24"))
font="Arial 24"))
return container
def _create_plot(self):
# count data
if len(self.df) > 0:
self.indexes = np.arange(len(self.df.date_time))
time_ds = ArrayDataSource(self.indexes)
vol_ds = ArrayDataSource(self.df.volumn.values, sort_order="none")
xmapper = LinearMapper(range=DataRange1D(time_ds))
vol_mapper = LinearMapper(range=DataRange1D(vol_ds))
####################################################################
# create volumn plot
vol_plot = BarPlot(
index=time_ds,
value=vol_ds,
index_mapper=xmapper,
value_mapper=vol_mapper,
line_color="transparent",
fill_color="blue",
bar_width=0.6,
antialias=False,
height=100,
resizable="h",
origin="bottom left",
bgcolor="white",
border_visible=True,
)
vol_plot.padding = 30
vol_plot.padding_left = 40
vol_plot.tools.append(PanTool(vol_plot, constrain=True, constrain_direction="x"))
add_default_grids(vol_plot)
add_default_axes(vol_plot)
# print vol_plot.index_mapper.range.high
# print vol_plot.value_mapper.range.low, vol_plot.value_mapper.range.high
self.vol_plot = vol_plot
self.container.add(vol_plot)
####################################################################
## Create price plot
sorted_vals = np.vstack((self.df.open, self.df.high, self.df.low, self.df.close))
sorted_vals.sort(0)
__bool = self.df.close.values - self.df.open.values
self.up_boolean = __bool >= 0
self.down_boolean = np.invert(self.up_boolean)
pd = ArrayPlotData(
up_index=self.indexes[self.up_boolean],
up_min=sorted_vals[0][self.up_boolean],
up_bar_min=sorted_vals[1][self.up_boolean],
up_bar_max=sorted_vals[2][self.up_boolean],
up_max=sorted_vals[3][self.up_boolean],
down_index=self.indexes[self.down_boolean],
down_min=sorted_vals[0][self.down_boolean],
down_bar_min=sorted_vals[1][self.down_boolean],
down_bar_max=sorted_vals[2][self.down_boolean],
down_max=sorted_vals[3][self.down_boolean],
volumn=self.df.volumn.values,
index=self.indexes,
)
price_plot = Plot(pd)
up_plot = price_plot.candle_plot(
("up_index", "up_min", "up_bar_min", "up_bar_max", "up_max"),
color=color_red,
bgcolor="azure",
bar_line_color="black",
stem_color="black",
end_cap=False,
)[0]
down_plot = price_plot.candle_plot(
("down_index", "down_min", "down_bar_min", "down_bar_max", "down_max"),
color=color_green,
bar_line_color="black",
stem_color="black",
end_cap=False,
)[0]
price_plot.fill_padding = True
price_plot.padding = 30
price_plot.padding_left = 40
price_plot.tools.append(ZoomTool(component=price_plot, tool_mode="box", zoom_factor=1.2, always_on=False))
price_plot.tools.append(PanTool(price_plot, drag_button="left"))
price_plot.tools.append(XYTool(price_plot, callback=self._update_ohlc)) # get data
self._add_line_tool(up_plot)
self._add_line_tool(down_plot)
price_plot.range2d = self._compute_range2d()
price_plot.index_mapper = vol_plot.index_mapper # maper vol_plot and price_plot
self.price_plot = price_plot
self.container.add(price_plot)
def request_redraw_delayed(self):
self.redraw_timer.Stop()
BarPlot.request_redraw(self)
