pythonbokehslider_Pythonwidgets.Slider方法代码示例

# 需要导入模块: from bokeh.models import widgets [as 别名]

# 或者: from bokeh.models.widgets import Slider [as 别名]

def update_effect(attrname, old, new):

global effect, model, knob_names, knob_ranges, num_knobs, knob_sliders

# match the menu option with the right entry in effects_dict

long_name &＃61; effect_select.value

plot.title.text &＃61; f"Trying to setup effect &＃39;{long_name}&＃39;..."

shortname &＃61; &＃39;&＃39;

for key, val in effects_dict.items():

if val[&＃39;name&＃39;] &＃61;&＃61; long_name:

shortname &＃61; key

break

if &＃39;&＃39; &＃61;&＃61; shortname:

plot.title.text &＃61; f"**ERROR: Effect &＃39;{long_name}&＃39; not defined**"

return

effect &＃61; effects_dict[shortname][&＃39;effect&＃39;]

num_knobs &＃61; 0

if effect is not None:

knob_names, knob_ranges &＃61; effect.knob_names, np.array(effect.knob_ranges)

num_knobs &＃61; len(knob_names)

# try to read the checkpoint file

checkpoint_file &＃61; effects_dict[shortname][&＃39;checkpoint&＃39;]

model &＃61; setup_model(checkpoint_file, fatal&＃61;False)

if model is None:

msg &＃61; f"**ERROR: checkpoint file &＃39;{checkpoint_file}&＃39; not found**"

print("\n",msg)

plot.title.text &＃61; msg

# rebuild the entire display (because knobs have changed)

knob_sliders &＃61; []

if num_knobs > 0:

knobs_wc &＃61; knob_ranges.mean(axis&＃61;1)

for k in range(num_knobs):

start, end &＃61; knob_ranges[k][0], knob_ranges[k][1]

mid &＃61; knobs_wc[k]

step &＃61; (end-start)/25

tmp &＃61; Slider(title&＃61;knob_names[k], value&＃61;mid, start&＃61;start, end&＃61;end, step&＃61;step)

knob_sliders.append(tmp)

for w in knob_sliders: # since we now defined new widgets, we need triggers for them

w.on_change(&＃39;value&＃39;, update_data)

inputs &＃61; column([effect_select, input_select]&＃43;knob_sliders )

curdoc().clear()

curdoc().add_root(row(inputs, plot, width&＃61;800))

curdoc().title &＃61; "SignalTrain Demo"

update_data(attrname, old, new)