Use solid line for vlm rate and dashed for trades rate
parent
d4f79a6245
commit
615bf3a55a
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@ -56,7 +56,6 @@ from ..fsp._volume import (
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flow_rates,
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)
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from ..log import get_logger
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from ._style import hcolor
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log = get_logger(__name__)
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@ -681,12 +680,6 @@ async def open_vlm_displays(
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flow_rates,
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{ # fsp engine conf
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'func_name': 'flow_rates',
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# 'zero_on_step': True,
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# 'params': {
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# 'price_func': {
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# 'default_value': 'chl3',
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# },
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# },
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},
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# loglevel,
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)
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@ -698,6 +691,9 @@ async def open_vlm_displays(
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for event in tasks_ready:
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n.start_soon(event.wait)
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###################
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# dolla vlm overlay
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###################
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dvlm_pi = chart.overlay_plotitem(
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'dolla_vlm',
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index=0, # place axis on inside (nearest to chart)
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@ -710,7 +706,6 @@ async def open_vlm_displays(
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digits=2,
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),
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},
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)
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# add custom auto range handler
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@ -726,7 +721,6 @@ async def open_vlm_displays(
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array_key='dolla_vlm',
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overlay=dvlm_pi,
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step_mode=True,
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# **conf.get('chart_kwargs', {})
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)
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# TODO: is there a way to "sync" the dual axes such that only
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# one curve is needed?
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@ -741,6 +735,9 @@ async def open_vlm_displays(
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# ``.draw_curve()``.
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chart._overlays['dolla_vlm'] = dvlm_shm
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################
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# dark vlm curve
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################
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curve, _ = chart.draw_curve(
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name='dark_vlm',
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@ -753,11 +750,16 @@ async def open_vlm_displays(
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)
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chart._overlays['dark_vlm'] = dvlm_shm
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# add flow rate curves
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rate_color = 'default_light'
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##################
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# Vlm rate overlay
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##################
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trade_rate_color = vlm_rate_color = 'i3'
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fr_pi = chart.overlay_plotitem(
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'flow_rates',
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'vlm_rates',
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index=0, # place axis on inside (nearest to chart)
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# NOTE: we might want to suffix with a \w
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# on lhs and prefix for the rhs axis labels?
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axis_title=' vlm/m',
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axis_side='left',
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axis_kwargs={
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@ -766,17 +768,14 @@ async def open_vlm_displays(
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humanize,
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digits=2,
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),
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# 'textPen': pg.mkPen(hcolor(vlmr_color)),
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'text_color': rate_color,
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'text_color': vlm_rate_color,
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},
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)
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# add custom auto range handler
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fr_pi.vb._maxmin = partial(
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maxmin,
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# keep both regular and dark vlm in view
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names=[
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# '1m_trade_rate',
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'1m_vlm_rate',
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],
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)
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@ -786,11 +785,48 @@ async def open_vlm_displays(
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data=fr_shm.array,
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array_key='1m_vlm_rate',
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overlay=fr_pi,
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color=rate_color,
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# **conf.get('chart_kwargs', {})
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color=vlm_rate_color,
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style='solid',
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)
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chart._overlays['1m_vlm_rate'] = fr_shm
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####################
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# Trade rate overlay
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####################
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fr_pi = chart.overlay_plotitem(
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'trade_rates',
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index=1, # place axis on inside (nearest to chart)
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axis_title='trades/m ',
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axis_side='left',
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axis_kwargs={
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'typical_max_str': ' 100.0 M ',
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'formatter': partial(
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humanize,
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digits=2,
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),
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'text_color': trade_rate_color,
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},
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)
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# add custom auto range handler
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fr_pi.vb._maxmin = partial(
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maxmin,
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# keep both regular and dark vlm in view
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names=[
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'1m_trade_rate',
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],
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)
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curve, _ = chart.draw_curve(
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name='1m_trade_rate',
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data=fr_shm.array,
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array_key='1m_trade_rate',
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overlay=fr_pi,
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color=trade_rate_color,
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style='dash',
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)
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chart._overlays['1m_trade_rate'] = fr_shm
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for pi in (dvlm_pi, fr_pi):
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for name, axis_info in pi.axes.items():
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# lol this sux XD
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