Good afternoon.
I have two linked plots and in this test when I hover over a point in the left plot the corresponding point in the right plot shows up red. In the code I also increase the size but that part does not seem to work. Do I need to use a different trigger for that?
Thanks!
Erwin
···
from pandas import DataFrame
from numpy.random import rand
from bokeh.models import ColumnDataSource, Circle, LinearAxis, Range1d, HoverTool, BoxSelectTool, CustomJS
from bokeh.plotting import figure, gridplot, output_file, output_notebook, show, save
N=25
df = DataFrame({‘x’: rand(N),‘y’: rand(N),‘z’: rand(N),
'size1':5,'size2':5,'color1':"Gray",'color2':"Gray",'alpha1':1,'alpha2':1,
'ID':[i+1 for i in range(N)],
})
datasource = ColumnDataSource(df)
tooltip = [(“ID”, “@ID”),(“X”, “@x”),(“Y”, “@y”),(“Z”, “@z”)];
left plot
p1 = figure(plot_width=400, plot_height=400)
p1.xaxis.axis_label = ‘x’
p1.yaxis.axis_label = ‘z’
r1 = p1.circle(‘x’,‘z’,source=datasource,color=‘color1’,size=‘size1’,alpha=‘alpha1’)
Right plot
p2 = figure(plot_width=400, plot_height=400,tools=[HoverTool(tooltips=tooltip)])
p2.xaxis.axis_label = ‘y’
p2.yaxis.axis_label = ‘z’
r2 = p2.circle(‘y’,‘z’,source=datasource,color=‘color2’,size=‘size2’,alpha=‘alpha2’)
callback
cb1 = “”"
var indices = cb_data.index[‘1d’].indices;
var d = ds.get(‘data’);
var N = d[‘ID’].length;
var K = indices.length;
for(k=0;k<N;++k) {
d[‘color2’][k] = “Gray”;
d[‘size2’][k] = 5;
}
for(k=0;k<K;++k){
var i = indices[k];
var d = ds.get(‘data’);
d[‘color2’][i] = “Red”;
d[‘size2’][i] = 20;
}
p2.trigger(‘change’);
“”"
callback1 = CustomJS(args={‘p1’:p1,‘p2’:p2,‘ds’:datasource}, code=cb1)
p1.add_tools(HoverTool(tooltips=tooltip, callback=callback1))
output_file(“hovertest.html”)
p = gridplot([[p1,p2]])
show(p)
