Python widgets.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 setup_events(self):
        """Attaches the on_change event to the value property of the widget.

        The callback is set to the input_change method of this app.
        """
        super(StockApp, self).setup_events()

        logging.debug("%s" % str(self.source))
        # Slider event registration
        # self.source.on_change('selected', self, 'on_selection_change')
        print("+++++++++++++++++++++++++++++++++")
        print(self)
        self.stock_plot.on_change('value', self, 'input_change')
        # self.outliers_source.on_change('selected', self, 'on_selection_change')
        # for w in ["bins"]:
        #     getattr(self, w).on_change('value', self, 'input_change') 

# 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 _get_config_panel(self):
        def on_change_checkbox(vals):
            for i, f in enumerate(self._bokeh.figurepages[0].figure_envs):
                if i > 1:
                    continue
                f.figure.visible = i in vals

        self._slider_aspectratio = Slider(value=self._scheme.plotaspectratio, start=0.1, end=10.0, step=0.1)

        button = Button(label="Save", button_type="success")
        button.on_click(self.on_button_save_config)

        r1 = row(children=[Div(text='Aspect Ratio', margin=(15, 10, 0, 10)), self._slider_aspectratio])

        return Panel(child=column(children=[r1, button]), title='Config') 

# 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 = effect_select.value
    plot.title.text = f"Trying to setup effect '{long_name}'..."
    shortname = ''
    for key, val in effects_dict.items():
        if val['name'] == long_name:
            shortname = key
            break
    if '' == shortname:
        plot.title.text = f"**ERROR: Effect '{long_name}' not defined**"
        return
    effect = effects_dict[shortname]['effect']
    num_knobs = 0
    if effect is not None:
        knob_names, knob_ranges = effect.knob_names, np.array(effect.knob_ranges)
        num_knobs = len(knob_names)

    # try to read the checkpoint file
    checkpoint_file = effects_dict[shortname]['checkpoint']
    model = setup_model(checkpoint_file, fatal=False)
    if model is  None:
        msg = f"**ERROR: checkpoint file '{checkpoint_file}' not found**"
        print("\n",msg)
        plot.title.text = msg

    # rebuild the entire display  (because knobs have changed)
    knob_sliders = []
    if num_knobs > 0:
        knobs_wc = knob_ranges.mean(axis=1)
        for k in range(num_knobs):
            start, end = knob_ranges[k][0], knob_ranges[k][1]
            mid = knobs_wc[k]
            step = (end-start)/25
            tmp = Slider(title=knob_names[k], value=mid, start=start, end=end, step=step)
            knob_sliders.append(tmp)
        for w in knob_sliders:  # since we now defined new widgets, we need triggers for them
            w.on_change('value', update_data)

    inputs = column([effect_select, input_select]+knob_sliders )
    curdoc().clear()
    curdoc().add_root(row(inputs, plot, width=800))
    curdoc().title = "SignalTrain Demo"

    update_data(attrname, old, new)