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Use view for auto-yrange in display loop

plotitem_overlays
Tyler Goodlet 2022-01-09 11:34:24 -05:00
parent ced310c194
commit d170132eb5
1 changed files with 19 additions and 10 deletions
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29
piker/ui/_display.py
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@ -117,7 +117,7 @@ def update_fsp_chart(
array, array,
array_key=array_key or graphics_name, array_key=array_key or graphics_name,
) )
chart._set_yrange() chart.cv._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
@ -155,7 +155,7 @@ def chart_maxmin(
# https://arxiv.org/abs/cs/0610046 # https://arxiv.org/abs/cs/0610046
# https://github.com/lemire/pythonmaxmin # https://github.com/lemire/pythonmaxmin
array = chart._arrays['ohlc'] array = chart._arrays[chart.name]
ifirst = array[0]['index'] ifirst = array[0]['index']
last_bars_range = chart.bars_range() last_bars_range = chart.bars_range()
@ -212,6 +212,7 @@ async def update_chart_from_quotes(
if vlm_chart: if vlm_chart:
vlm_sticky = vlm_chart._ysticks['volume'] vlm_sticky = vlm_chart._ysticks['volume']
vlm_view = vlm_chart.view
maxmin = partial(chart_maxmin, chart, vlm_chart) maxmin = partial(chart_maxmin, chart, vlm_chart)
@ -248,6 +249,7 @@ async def update_chart_from_quotes(
tick_margin = 3 * tick_size tick_margin = 3 * tick_size
chart.show() chart.show()
view = chart.view
last_quote = time.time() last_quote = time.time()
async for quotes in stream: async for quotes in stream:
@ -295,8 +297,10 @@ async def update_chart_from_quotes(
mx_vlm_in_view != last_mx_vlm or mx_vlm_in_view != last_mx_vlm or
mx_vlm_in_view > last_mx_vlm mx_vlm_in_view > last_mx_vlm
): ):
# print(f'mx vlm: {last_mx_vlm} -> {mx_vlm_in_view}') print(f'mx vlm: {last_mx_vlm} -> {mx_vlm_in_view}')
vlm_chart._set_yrange(yrange=(0, mx_vlm_in_view * 1.375)) vlm_view._set_yrange(
yrange=(0, mx_vlm_in_view * 1.375)
)
last_mx_vlm = mx_vlm_in_view last_mx_vlm = mx_vlm_in_view
ticks_frame = quote.get('ticks', ()) ticks_frame = quote.get('ticks', ())
@ -412,9 +416,12 @@ async def update_chart_from_quotes(
l1.bid_label.update_fields({'level': price, 'size': size}) l1.bid_label.update_fields({'level': price, 'size': size})
# check for y-range re-size # check for y-range re-size
if (mx > last_mx) or (mn < last_mn): if (
# print(f'new y range: {(mn, mx)}') (mx > last_mx) or (mn < last_mn)
chart._set_yrange( and not chart._static_yrange == 'axis'
):
print(f'new y range: {(mn, mx)}')
view._set_yrange(
yrange=(mn, mx), yrange=(mn, mx),
# TODO: we should probably scale # TODO: we should probably scale
# the view margin based on the size # the view margin based on the size
@ -436,6 +443,7 @@ async def update_chart_from_quotes(
name, name,
array_key=name, array_key=name,
) )
subchart.cv._set_yrange()
# TODO: all overlays on all subplots.. # TODO: all overlays on all subplots..
@ -447,6 +455,7 @@ async def update_chart_from_quotes(
curve_name, curve_name,
array_key=curve_name, array_key=curve_name,
) )
# chart._set_yrange()
def maybe_mk_fsp_shm( def maybe_mk_fsp_shm(
@ -790,7 +799,7 @@ async def update_chart_from_fsp(
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.cv._set_yrange()
done() # status updates done() # status updates
profiler(f'fsp:{func_name} starting update loop') profiler(f'fsp:{func_name} starting update loop')
@ -981,7 +990,7 @@ async def maybe_open_vlm_display(
) )
# size view to data once at outset # size view to data once at outset
chart._set_yrange() chart.cv._set_yrange()
yield chart yield chart
@ -1070,7 +1079,7 @@ async def display_symbol_data(
) )
# size view to data once at outset # size view to data once at outset
chart._set_yrange() chart.cv._set_yrange()
# TODO: a data view api that makes this less shit # TODO: a data view api that makes this less shit
chart._shm = ohlcv chart._shm = ohlcv