Add Hover on quad glyph

Community Support
1

Hi,

I’m trying to add a Hover on my quad glyph, but it’s dont work.

Example on a notebook:
import pandas as pd

from bokeh.plotting import Figure, output_notebook
from bokeh.models import ColumnDataSource, HoverTool

output_notebook()

df=pd.DataFrame({‘DETECT’:[‘DETECT’,‘DETECT’,‘NON_DETECT’,‘NON_DETECT’],
‘CATEG’:[‘CATEG1’,‘CATEG2’,‘CATEG1’,‘CATEG2’],
‘right’:[0.8,0.8,1.8,1.8],
‘left’:[1.2,1.2,2.2,2.2],
‘bottom’:[0, 20, 0, 20],
‘top’:[19,40,19,40]})

source=ColumnDataSource(df)
hover = HoverTool(tooltips=[(“CATEG”, “@CATEG”)])

plot = Figure(plot_height=600, plot_width=600, title=“Nb cnt”,x_range=list(df[‘DETECT’].unique()))
plot.add_tools(hover)

plot.quad(right=‘right’,left=‘left’,bottom=‘bottom’,top=‘top’,source=source,color=[“red”,“blue”,“red”,“blue”])

show(plot)

``

I don’t if i do wrong or it’s not working.

Cordially,
Emrall

2

I think this might be a bug with quad and hit-testing. Can you file an issue on GH with this information? As a workaround for now, hover/hit-testing certainly works with "rect".

Bryan

···

On Apr 6, 2016, at 7:06 AM, Emrall <[email protected]> wrote:

Hi,

I'm trying to add a Hover on my quad glyph, but it's dont work.

Example on a notebook:
import pandas as pd

from bokeh.plotting import Figure, output_notebook
from bokeh.models import ColumnDataSource, HoverTool

output_notebook()

df=pd.DataFrame({'DETECT':['DETECT','DETECT','NON_DETECT','NON_DETECT'],
                 'CATEG':['CATEG1','CATEG2','CATEG1','CATEG2'],
                  'right':[0.8,0.8,1.8,1.8],
                  'left':[1.2,1.2,2.2,2.2],
                  'bottom':[0, 20, 0, 20],
                  'top':[19,40,19,40]})

source=ColumnDataSource(df)
hover = HoverTool(tooltips=[("CATEG", "@CATEG")])

plot = Figure(plot_height=600, plot_width=600, title="Nb cnt",x_range=list(df['DETECT'].unique()))
plot.add_tools(hover)

plot.quad(right='right',left='left',bottom='bottom',top='top',source=source,color=["red","blue","red","blue"])

show(plot)

I don't if i do wrong or it's not working.

Cordially,
Emrall

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