Show unit vlm on LHS for now
Tyler Goodlet
parent
06fe2bd1be
commit
e69af9e291
117
piker/ui/_fsp.py
117
piker/ui/_fsp.py
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@ -120,7 +120,6 @@ def update_fsp_chart(
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array,
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array_key=array_key or graphics_name,
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)
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chart._set_yrange()
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# XXX: re: ``array_key``: fsp func names must be unique meaning we
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# can't have duplicates of the underlying data even if multiple
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@ -400,72 +399,69 @@ async def maybe_open_vlm_display(
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log.warning(f"{linked.symbol.key} does not seem to have volume info")
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yield
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return
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else:
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# shm, opened = maybe_mk_fsp_shm(
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# linked.symbol.key,
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# 'vlm',
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# readonly=True,
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# )
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async with open_fsp_sidepane(
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linked, {
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'vlm': {
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'params': {
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'price_func': {
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'default_value': 'chl3',
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# tell target ``Edit`` widget to not allow
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# edits for now.
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'widget_kwargs': {'readonly': True},
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},
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async with open_fsp_sidepane(
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linked, {
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'vlm': {
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'params': {
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'price_func': {
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'default_value': 'chl3',
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# tell target ``Edit`` widget to not allow
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# edits for now.
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'widget_kwargs': {'readonly': True},
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},
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}
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},
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) as sidepane:
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},
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}
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},
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) as sidepane:
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# built-in $vlm
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shm = ohlcv
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chart = linked.add_plot(
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name='volume',
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array=shm.array,
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# built-in $vlm
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shm = ohlcv
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chart = linked.add_plot(
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name='volume',
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array=shm.array,
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array_key='volume',
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sidepane=sidepane,
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array_key='volume',
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sidepane=sidepane,
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# curve by default
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ohlc=False,
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# curve by default
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ohlc=False,
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# Draw vertical bars from zero.
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# we do this internally ourselves since
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# the curve item internals are pretty convoluted.
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style='step',
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)
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# Draw vertical bars from zero.
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# we do this internally ourselves since
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# the curve item internals are pretty convoluted.
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style='step',
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)
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# XXX: ONLY for sub-chart fsps, overlays have their
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# data looked up from the chart's internal array set.
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# TODO: we must get a data view api going STAT!!
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chart._shm = shm
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# show volume units value on LHS (for dinkus)
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chart.hideAxis('right')
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chart.showAxis('left')
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# should **not** be the same sub-chart widget
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assert chart.name != linked.chart.name
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# XXX: ONLY for sub-chart fsps, overlays have their
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# data looked up from the chart's internal array set.
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# TODO: we must get a data view api going STAT!!
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chart._shm = shm
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# sticky only on sub-charts atm
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last_val_sticky = chart._ysticks[chart.name]
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# should **not** be the same sub-chart widget
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assert chart.name != linked.chart.name
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# read from last calculated value
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value = shm.array['volume'][-1]
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# sticky only on sub-charts atm
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last_val_sticky = chart._ysticks[chart.name]
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last_val_sticky.update_from_data(-1, value)
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# read from last calculated value
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value = shm.array['volume'][-1]
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chart.update_curve_from_array(
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'volume',
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shm.array,
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)
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last_val_sticky.update_from_data(-1, value)
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# size view to data once at outset
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chart._set_yrange()
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chart.update_curve_from_array(
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'volume',
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shm.array,
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)
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yield chart
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# size view to data once at outset
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chart.view._set_yrange()
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yield chart
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async def run_fsp_ui(
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@ -494,7 +490,10 @@ async def run_fsp_ui(
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async with (
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# side UI for parameters/controls
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open_fsp_sidepane(linkedsplits, {display_name: conf},) as sidepane,
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open_fsp_sidepane(
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linkedsplits,
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{display_name: conf},
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) as sidepane,
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):
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await started.wait()
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profiler(f'fsp:{func_name} attached to fsp ctx-stream')
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@ -511,6 +510,7 @@ async def run_fsp_ui(
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data=shm.array,
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overlay=True,
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color='default_light',
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array_key=func_name,
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separate_axes=conf.get('separate_axes', False),
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**conf.get('chart_kwargs', {})
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)
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@ -575,7 +575,7 @@ async def run_fsp_ui(
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level_line(chart, 70, orient_v='bottom')
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level_line(chart, 80, orient_v='top')
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chart._set_yrange()
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chart.view._set_yrange()
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# done() # status updates
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profiler(f'fsp:{func_name} starting update loop')
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@ -669,7 +669,6 @@ async def start_fsp_displays(
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},
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'dolla_vlm': {
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'func_name': 'dolla_vlm',
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'zero_on_step': True,
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'overlay': 'volume',
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@ -701,8 +700,10 @@ async def start_fsp_displays(
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trio.open_nursery(),
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# TODO: fast startup of volume overlayed with $_vlm
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maybe_open_vlm_display(linkedsplits, ohlcv),
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maybe_open_vlm_display(
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linkedsplits,
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ohlcv,
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),
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)) as (admin, n, vlm_chart):
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