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Code Issues 10 Pull Requests 14 Packages Projects Releases Wiki Activity

Show unit vlm on LHS for now

vlm_plotz
Tyler Goodlet 2022-01-09 11:36:30 -05:00
parent 51f9511669
commit e93edc2acb
1 changed files with 59 additions and 58 deletions
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117
piker/ui/_fsp.py
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@ -120,7 +120,6 @@ def update_fsp_chart(
array, array,
array_key=array_key or graphics_name, array_key=array_key or graphics_name,
) )
chart._set_yrange()
# XXX: re: ``array_key``: fsp func names must be unique meaning we # XXX: re: ``array_key``: fsp func names must be unique meaning we
# can't have duplicates of the underlying data even if multiple # can't have duplicates of the underlying data even if multiple
@ -400,72 +399,69 @@ async def maybe_open_vlm_display(
log.warning(f"{linked.symbol.key} does not seem to have volume info") log.warning(f"{linked.symbol.key} does not seem to have volume info")
yield yield
return return
else:
# shm, opened = maybe_mk_fsp_shm( async with open_fsp_sidepane(
# linked.symbol.key, linked, {
# 'vlm', 'vlm': {
# readonly=True, 'params': {
# ) 'price_func': {
'default_value': 'chl3',
async with open_fsp_sidepane( # tell target ``Edit`` widget to not allow
linked, { # edits for now.
'vlm': { 'widget_kwargs': {'readonly': True},
'params': {
'price_func': {
'default_value': 'chl3',
# tell target ``Edit`` widget to not allow
# edits for now.
'widget_kwargs': {'readonly': True},
},
}, },
} },
}, }
) as sidepane: },
) as sidepane:
# built-in $vlm # built-in $vlm
shm = ohlcv shm = ohlcv
chart = linked.add_plot( chart = linked.add_plot(
name='volume', name='volume',
array=shm.array, array=shm.array,
array_key='volume', array_key='volume',
sidepane=sidepane, sidepane=sidepane,
# curve by default # curve by default
ohlc=False, ohlc=False,
# Draw vertical bars from zero. # Draw vertical bars from zero.
# we do this internally ourselves since # we do this internally ourselves since
# the curve item internals are pretty convoluted. # the curve item internals are pretty convoluted.
style='step', style='step',
) )
# XXX: ONLY for sub-chart fsps, overlays have their # show volume units value on LHS (for dinkus)
# data looked up from the chart's internal array set. chart.hideAxis('right')
# TODO: we must get a data view api going STAT!! chart.showAxis('left')
chart._shm = shm
# should **not** be the same sub-chart widget # XXX: ONLY for sub-chart fsps, overlays have their
assert chart.name != linked.chart.name # data looked up from the chart's internal array set.
# TODO: we must get a data view api going STAT!!
chart._shm = shm
# sticky only on sub-charts atm # should **not** be the same sub-chart widget
last_val_sticky = chart._ysticks[chart.name] assert chart.name != linked.chart.name
# read from last calculated value # sticky only on sub-charts atm
value = shm.array['volume'][-1] last_val_sticky = chart._ysticks[chart.name]
last_val_sticky.update_from_data(-1, value) # read from last calculated value
value = shm.array['volume'][-1]
chart.update_curve_from_array( last_val_sticky.update_from_data(-1, value)
'volume',
shm.array,
)
# size view to data once at outset chart.update_curve_from_array(
chart._set_yrange() 'volume',
shm.array,
)
yield chart # size view to data once at outset
chart.view._set_yrange()
yield chart
async def run_fsp_ui( async def run_fsp_ui(
@ -494,7 +490,10 @@ async def run_fsp_ui(
async with ( async with (
# side UI for parameters/controls # side UI for parameters/controls
open_fsp_sidepane(linkedsplits, {display_name: conf},) as sidepane, open_fsp_sidepane(
linkedsplits,
{display_name: conf},
) as sidepane,
): ):
await started.wait() await started.wait()
profiler(f'fsp:{func_name} attached to fsp ctx-stream') profiler(f'fsp:{func_name} attached to fsp ctx-stream')
@ -511,6 +510,7 @@ async def run_fsp_ui(
data=shm.array, data=shm.array,
overlay=True, overlay=True,
color='default_light', color='default_light',
array_key=func_name,
separate_axes=conf.get('separate_axes', False), separate_axes=conf.get('separate_axes', False),
**conf.get('chart_kwargs', {}) **conf.get('chart_kwargs', {})
) )
@ -575,7 +575,7 @@ async def run_fsp_ui(
level_line(chart, 70, orient_v='bottom') level_line(chart, 70, orient_v='bottom')
level_line(chart, 80, orient_v='top') level_line(chart, 80, orient_v='top')
chart._set_yrange() chart.view._set_yrange()
# done() # status updates # done() # status updates
profiler(f'fsp:{func_name} starting update loop') profiler(f'fsp:{func_name} starting update loop')
@ -669,7 +669,6 @@ async def start_fsp_displays(
}, },
'dolla_vlm': { 'dolla_vlm': {
'func_name': 'dolla_vlm', 'func_name': 'dolla_vlm',
'zero_on_step': True, 'zero_on_step': True,
'overlay': 'volume', 'overlay': 'volume',
@ -701,8 +700,10 @@ async def start_fsp_displays(
trio.open_nursery(), trio.open_nursery(),
# TODO: fast startup of volume overlayed with $_vlm maybe_open_vlm_display(
maybe_open_vlm_display(linkedsplits, ohlcv), linkedsplits,
ohlcv,
),
)) as (admin, n, vlm_chart): )) as (admin, n, vlm_chart):