def _plot_hlines(self, obj):
hlines = obj.plotinfo._get('plothlines', [])
if not hlines:
hlines = obj.plotinfo._get('plotyhlines', [])
# Horizontal Lines
hline_color = convert_color(self._scheme.hlinescolor)
for hline in hlines:
span = Span(location=hline,
dimension='width',
line_color=hline_color,
line_dash=convert_linestyle(self._scheme.hlinesstyle),
line_width=self._scheme.hlineswidth)
self.figure.renderers.append(span)
def _plot_indicator_observer(self, obj: Union[bt.Indicator, bt.Observer]):
pl = labelizer.label(obj)
self._figure_append_title(pl)
indlabel = obj.plotlabel()
plotinfo = obj.plotinfo
is_multiline = obj.size() > 1
for lineidx in range(obj.size()):
line = obj.lines[lineidx]
source_id = get_source_id(line)
linealias = obj.lines._getlinealias(lineidx)
lineplotinfo = get_plotlineinfo(obj, lineidx)
if lineplotinfo._get('_plotskip', False):
continue
method = lineplotinfo._get('_method', 'line')
color = getattr(lineplotinfo, 'color', None)
if color is None:
if not lineplotinfo._get('_samecolor', False):
self._nextcolor()
color = self._color()
color = convert_color(color)
kwglyphs = {'name': linealias}
self._add_column(source_id, np.float64)
# either all individual lines of are displayed in the legend or only the ind/obs as a whole
label = indlabel
if is_multiline and plotinfo.plotlinelabels:
label += " " + (lineplotinfo._get("_name", "") or linealias)
kwglyphs['legend_label'] = label
marker = lineplotinfo._get('marker', None)
if marker is not None:
fnc_name, extra_kwglyphs = build_marker_call(marker, self.bfigure, source_id, color, lineplotinfo.markersize)
kwglyphs.update(extra_kwglyphs)
glyph_fnc = getattr(self.bfigure, fnc_name)
elif method == "bar":
kwglyphs['bottom'] = 0
kwglyphs['line_color'] = 'black'
kwglyphs['fill_color'] = color
kwglyphs['width'] = get_bar_width()
kwglyphs['top'] = source_id
glyph_fnc = self.bfigure.vbar
elif method == "line":
kwglyphs['line_width'] = 1
kwglyphs['color'] = color
kwglyphs['y'] = source_id
linestyle = getattr(lineplotinfo, "ls", None)
if linestyle is not None:
kwglyphs['line_dash'] = convert_linestyle(linestyle)
linewidth = getattr(lineplotinfo, "lw", None)
if linewidth is not None:
kwglyphs['line_width'] = linewidth
glyph_fnc = self.bfigure.line
else:
raise Exception(f"Unknown plotting method '{method}'")
renderer = glyph_fnc("index", source=self._cds, **kwglyphs)
# iterate again to generate area plot data
for fattr, y1, y2, fcol, falpha, fop in get_ind_areas(obj, lineidx):
self._add_column(y1, np.float64)
falpha = falpha or self._scheme.fillalpha
fcol = convert_color(fcol)
self.bfigure.varea('index', source=self._cds, y1=y1, y2=y2, fill_color=fcol, fill_alpha=falpha)
# make sure the regular y-axis only scales to the normal data (data + ind/obs) on 1st axis (not to e.g. volume data on 2nd axis)
self.bfigure.y_range.renderers.append(renderer)
# for markers add additional renderer so hover pops up for all of them
if marker is None:
self._set_single_hover_renderer(renderer)
else:
self._add_hover_renderer(renderer)
hover_label_suffix = f" - {linealias}" if obj.size() > 1 else "" # we need no suffix if there is just one line in the indicator anyway
hover_label = indlabel + hover_label_suffix
hover_data = f"@{source_id}{{{self._scheme.number_format}}}"
self._hoverc.add_hovertip(hover_label, hover_data, obj)
self._set_yticks(obj)
self._plot_hlines(obj)
def _plot_indicator_observer(self,
obj: Union[bt.Indicator, bt.Observer],
master,
strat_clk: array = None):
pl = plotobj2label(obj)
self._figure_append_title(pl)
indlabel = obj.plotlabel()
plotinfo = obj.plotinfo
for lineidx in range(obj.size()):
line = obj.lines[lineidx]
source_id = Figure._source_id(line)
linealias = obj.lines._getlinealias(lineidx)
lineplotinfo = getattr(obj.plotlines, '_%d' % lineidx, None)
if not lineplotinfo:
lineplotinfo = getattr(obj.plotlines, linealias, None)
if not lineplotinfo:
lineplotinfo = bt.AutoInfoClass()
if lineplotinfo._get('_plotskip', False):
continue
marker = lineplotinfo._get("marker", None)
method = lineplotinfo._get('_method', "line")
color = getattr(lineplotinfo, "color", None)
if color is None:
if not lineplotinfo._get('_samecolor', False):
self._nextcolor()
color = self._color()
color = convert_color(color)
kwglyphs = {'name': linealias}
dataline = line.plotrange(self._start, self._end)
line_clk = get_data_obj(obj).lines.datetime.plotrange(
self._start, self._end)
dataline = resample_line(dataline, line_clk, strat_clk)
self._add_to_cds(dataline, source_id)
label = None
if master is None or lineidx == 0 or plotinfo.plotlinelabels:
label = indlabel
if master is None or plotinfo.plotlinelabels:
label += " " + (lineplotinfo._get("_name", "")
or linealias)
kwglyphs['legend_label'] = label
if marker is not None:
kwglyphs['size'] = lineplotinfo.markersize * 1.2
kwglyphs['color'] = color
kwglyphs['y'] = source_id
mrk_fncs = {
'^': self.figure.triangle,
'v': self.figure.inverted_triangle,
'o': self.figure.circle,
'<': self.figure.circle_cross,
'>': self.figure.circle_x,
'1': self.figure.diamond,
'2': self.figure.diamond_cross,
'3': self.figure.hex,
'4': self.figure.square,
'8': self.figure.square_cross,
's': self.figure.square_x,
'p': self.figure.triangle,
'*': self.figure.asterisk,
'h': self.figure.hex,
'H': self.figure.hex,
'+': self.figure.asterisk,
'x': self.figure.x,
'D': self.figure.diamond_cross,
'd': self.figure.diamond,
}
if marker not in mrk_fncs:
raise Exception(
f"Sorry, unsupported marker: '{marker}'. Please report to GitHub."
)
glyph_fnc = mrk_fncs[marker]
elif method == "bar":
kwglyphs['bottom'] = 0
kwglyphs['line_color'] = 'black'
kwglyphs['fill_color'] = color
kwglyphs['width'] = get_bar_width()
kwglyphs['top'] = source_id
glyph_fnc = self.figure.vbar
elif method == "line":
kwglyphs['line_width'] = 1
kwglyphs['color'] = color
kwglyphs['y'] = source_id
linestyle = getattr(lineplotinfo, "ls", None)
if linestyle is not None:
kwglyphs['line_dash'] = convert_linestyle(linestyle)
glyph_fnc = self.figure.line
else:
raise Exception(f"Unknown plotting method '{method}'")
renderer = glyph_fnc("index", source=self._cds, **kwglyphs)
# for markers add additional renderer so hover pops up for all of them
if marker is None:
self._set_single_hover_renderer(renderer)
else:
self._add_hover_renderer(renderer)
hover_label_suffix = f" - {linealias}" if obj.size(
) > 1 else "" # we need no suffix if there is just one line in the indicator anyway
hover_label = indlabel + hover_label_suffix
hover_data = f"@{source_id}{{{self._scheme.number_format}}}"
self._hoverc.add_hovertip(hover_label, hover_data, obj)
# adapt y-axis if needed
if master is None or getattr(master.plotinfo, 'plotylimited',
False) is False:
adapt_yranges(self.figure.y_range, dataline)
self._set_yticks(obj)
self._plot_hlines(obj)
def _plot_indicator_observer(self, obj: Union[bt.Indicator, bt.Observer], master):
# pl = plotobj2label(obj)
pl = ""
self._figure_append_title(pl)
indlabel = obj.plotlabel()
plotinfo = obj.plotinfo
is_multiline = obj.size() > 1
for lineidx in range(obj.size()):
line = obj.lines[lineidx]
source_id = FigureEnvelope._source_id(line)
linealias = obj.lines._getlinealias(lineidx)
lineplotinfo = getattr(obj.plotlines, '_%d' % lineidx, None)
if not lineplotinfo:
lineplotinfo = getattr(obj.plotlines, linealias, None)
if not lineplotinfo:
lineplotinfo = bt.AutoInfoClass()
if lineplotinfo._get('_plotskip', False):
continue
marker = lineplotinfo._get("marker", None)
method = lineplotinfo._get('_method', "line")
color = getattr(lineplotinfo, "color", None)
if color is None:
if not lineplotinfo._get('_samecolor', False):
self._nextcolor()
color = self._color()
color = convert_color(color)
kwglyphs = {'name': linealias}
self._add_column(source_id, np.float64)
# either all individual lines of are displayed in the legend or only the ind/obs as a whole
label = indlabel
if is_multiline and plotinfo.plotlinelabels:
label += " " + (lineplotinfo._get("_name", "") or linealias)
kwglyphs['legend_label'] = label
if marker is not None:
kwglyphs['size'] = lineplotinfo.markersize * 1.2
kwglyphs['color'] = color
kwglyphs['y'] = source_id
if marker not in FigureEnvelope._mrk_fncs:
raise Exception(f"Sorry, unsupported marker: '{marker}'. Please report to GitHub.")
glyph_fnc_name = FigureEnvelope._mrk_fncs[marker]
glyph_fnc = getattr(self.figure, glyph_fnc_name)
elif method == "bar":
kwglyphs['bottom'] = 0
kwglyphs['line_color'] = 'black'
kwglyphs['fill_color'] = color
kwglyphs['width'] = get_bar_width()
kwglyphs['top'] = source_id
glyph_fnc = self.figure.vbar
elif method == "line":
kwglyphs['line_width'] = 1
kwglyphs['color'] = color
kwglyphs['y'] = source_id
linestyle = getattr(lineplotinfo, "ls", None)
if linestyle is not None:
kwglyphs['line_dash'] = convert_linestyle(linestyle)
glyph_fnc = self.figure.line
else:
raise Exception(f"Unknown plotting method '{method}'")
renderer = glyph_fnc("index", source=self._cds, **kwglyphs)
# make sure the regular y-axis only scales to the normal data (data + ind/obs) on 1st axis (not to e.g. volume data on 2nd axis)
self.figure.y_range.renderers.append(renderer)
# for markers add additional renderer so hover pops up for all of them
if marker is None:
self._set_single_hover_renderer(renderer)
else:
self._add_hover_renderer(renderer)
hover_label_suffix = f" - {linealias}" if obj.size() > 1 else "" # we need no suffix if there is just one line in the indicator anyway
hover_label = indlabel + hover_label_suffix
hover_data = f"@{source_id}{{{self._scheme.number_format}}}"
# self._hoverc.add_hovertip(hover_label, hover_data, obj)
self._set_yticks(obj)
self._plot_hlines(obj)