慕蓋茨4494581
2023-06-20 10:45:26
在我的實(shí)現(xiàn)中,十字準(zhǔn)線僅在懸停的情節(jié)中顯示。我目前正在使用 Bokeh 版本2.1.1和 Python Anaconda 版本3.7.6,使用 VSCode 版本 1.48 中的 Python 擴(kuò)展。我不熟悉 Javascript,因此歡迎任何有助于調(diào)試我的代碼以正確顯示跨兩個(gè)圖的十字準(zhǔn)線的幫助。我的代碼:# Importing libraries:import pandas as pdimport randomfrom datetime import datetime, timedeltafrom bokeh.models import CustomJS, CrosshairTool, ColumnDataSource, DatetimeTickFormatter, HoverToolfrom bokeh.layouts import gridplotfrom bokeh.plotting import figure, output_file, show# Function wrote by Hamid Fadishei to enable a linked crosshair within gridplot:def add_vlinked_crosshairs(figs):? ? js_leave = ''? ? js_move = 'if(cb_obj.x >= fig.x_range.start && cb_obj.x <= fig.x_range.end &&\n'? ? js_move += 'cb_obj.y >= fig.y_range.start && cb_obj.y <= fig.y_range.end){\n'? ? for i in range(len(figs)-1):? ? ? ? js_move += '\t\t\tother%d.spans.height.computed_location = cb_obj.sx\n' % i? ? js_move += '}else{\n'? ? for i in range(len(figs)-1):? ? ? ? js_move += '\t\t\tother%d.spans.height.computed_location = null\n' % i? ? ? ? js_leave += '\t\t\tother%d.spans.height.computed_location = null\n' % i? ? js_move += '}'? ? crosses = [CrosshairTool() for fig in figs]? ? for i, fig in enumerate(figs):? ? ? ? fig.add_tools(crosses[i])? ? ? ? args = {'fig': fig}? ? ? ? k = 0? ? ? ? for j in range(len(figs)):? ? ? ? ? ? if i != j:? ? ? ? ? ? ? ? args['other%d'%k] = crosses[j]? ? ? ? ? ? ? ? k += 1? ? ? ? fig.js_on_event('mousemove', CustomJS(args=args, code=js_move))? ? ? ? fig.js_on_event('mouseleave', CustomJS(args=args, code=js_leave))
1 回答

繁花如伊
TA貢獻(xiàn)2012條經(jīng)驗(yàn) 獲得超12個(gè)贊
這是一個(gè)適用于 Bokeh 2.2.1 的解決方案:只需對(duì)所有需要它鏈接的圖使用相同的十字準(zhǔn)線工具對(duì)象。像這樣:
import numpy as np
from bokeh.plotting import figure, show
from bokeh.layouts import gridplot
from bokeh.models import CrosshairTool
plots = [figure() for i in range(6)]
[plot.line(np.arange(10), np.random.random(10)) for plot in plots]
linked_crosshair = CrosshairTool(dimensions="both")
for plot in plots:
? ? plot.add_tools(linked_crosshair)
show(gridplot(children=[plot for plot in plots], ncols=3))
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