Archived discussions · Captured October 28, 2026

Tabbed plots require a unique source?

Will_KewMay 04, 2016 #1

I’m trying to collate similar, but different, plots, based on the same data source, into a single page with the tabbed pane layout.

Initially, I’m just trying to plot two scatter ones. They use different axes, but the source dataframe is meant to be the same. However, unless I created two unique source instances, it would only plot the second plot - in both tabs.

source = ColumnDataSource(data)

source2 = ColumnDataSource(data)

p1 = figure(tools=TOOLS, title=y[:-9])

p1.scatter(x=OC, y=HC,source=source,radius=radii, color =‘mz’,fill_color=colors, fill_alpha=0.75,line_color=None)

tab1 = Panel(child=p1, title=“Plot1”)

p2 = figure(tools=TOOLS, title=y[:-9])

p2.scatter(x=Cno, y=DBE,source=source2,radius=radii, color =‘Ono’,fill_color=colors, fill_alpha=0.75,line_color=None)

tab2 = Panel(child=p2, title=“Plot2”)

tabs = Tabs(tabs=[ tab1, tab2 ])

output_file(path+“two-plot.html”, title=“test”)

show(tabs) # open a browser

``

When I have source=source for both (and no source2), both tabs show the second plot.

Is this a feature or a bug?
Is it because they are both scatter plots?

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BryanMay 04, 2016 #2

Are OC, DBE, etc the string names of columns in the data source? Or actual arrays/lists? If the latter then the default-created columns are probably overwriting each other! We are probably going to disallow mixing “literal arrays” and supplied data sources, for this reason. Try putting the data columns in the data source, and then use x=“the_column_name” instead.

Thanks,

Bryan

···

On May 4, 2016, at 15:51, popher@gmail.com wrote:

I’m trying to collate similar, but different, plots, based on the same data source, into a single page with the tabbed pane layout.

Initially, I’m just trying to plot two scatter ones. They use different axes, but the source dataframe is meant to be the same. However, unless I created two unique source instances, it would only plot the second plot - in both tabs.

source = ColumnDataSource(data)

source2 = ColumnDataSource(data)

p1 = figure(tools=TOOLS, title=y[:-9])

p1.scatter(x=OC, y=HC,source=source,radius=radii, color =‘mz’,fill_color=colors, fill_alpha=0.75,line_color=None)

tab1 = Panel(child=p1, title=“Plot1”)

p2 = figure(tools=TOOLS, title=y[:-9])

p2.scatter(x=Cno, y=DBE,source=source2,radius=radii, color =‘Ono’,fill_color=colors, fill_alpha=0.75,line_color=None)

tab2 = Panel(child=p2, title=“Plot2”)

tabs = Tabs(tabs=[ tab1, tab2 ])

output_file(path+“two-plot.html”, title=“test”)

show(tabs) # open a browser

``

When I have source=source for both (and no source2), both tabs show the second plot.

Is this a feature or a bug?
Is it because they are both scatter plots?

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BryanMay 04, 2016 #3

More (possibly useful) info:

https://github.com/bokeh/bokeh/issues/2056

Thanks,

Bryan

···

On May 4, 2016, at 16:01, Bryan Van de Ven bryan@bokeh.org wrote:

Are OC, DBE, etc the string names of columns in the data source? Or actual arrays/lists? If the latter then the default-created columns are probably overwriting each other! We are probably going to disallow mixing “literal arrays” and supplied data sources, for this reason. Try putting the data columns in the data source, and then use x=“the_column_name” instead.

Thanks,

Bryan

On May 4, 2016, at 15:51, popher@gmail.com wrote:

I’m trying to collate similar, but different, plots, based on the same data source, into a single page with the tabbed pane layout.

Initially, I’m just trying to plot two scatter ones. They use different axes, but the source dataframe is meant to be the same. However, unless I created two unique source instances, it would only plot the second plot - in both tabs.

source = ColumnDataSource(data)

source2 = ColumnDataSource(data)

p1 = figure(tools=TOOLS, title=y[:-9])

p1.scatter(x=OC, y=HC,source=source,radius=radii, color =‘mz’,fill_color=colors, fill_alpha=0.75,line_color=None)

tab1 = Panel(child=p1, title=“Plot1”)

p2 = figure(tools=TOOLS, title=y[:-9])

p2.scatter(x=Cno, y=DBE,source=source2,radius=radii, color =‘Ono’,fill_color=colors, fill_alpha=0.75,line_color=None)

tab2 = Panel(child=p2, title=“Plot2”)

tabs = Tabs(tabs=[ tab1, tab2 ])

output_file(path+“two-plot.html”, title=“test”)

show(tabs) # open a browser

``

When I have source=source for both (and no source2), both tabs show the second plot.

Is this a feature or a bug?
Is it because they are both scatter plots?

–

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birdsarah_continuumMay 04, 2016 #4

You 100% can use two plots in tabs from the same data source
(I’ve done it).

It’s probably just a problem with your code as Bryan indicated.

Best,

Bird

···

On 5/4/16 2:01 PM, Bryan Van de Ven
wrote:

    Are OC, DBE, etc the string names of columns in the data
source? Or actual arrays/lists? If the latter then the
default-created columns are probably overwriting each other! We
are probably going to disallow mixing “literal arrays” and
supplied data sources, for this reason. Try putting the data
columns in the data source, and then use x=“the_column_name”
instead.

Thanks,

Bryan

    On May 4, 2016, at 15:51, popher@gmail.com wrote:

        I'm trying to collate similar, but different,
plots, based on the same data source, into a single page
with the tabbed pane layout.
        Initially, I'm just trying to plot two scatter ones. They
use different axes, but the source dataframe is meant to be
the same. However, unless I created two unique source
instances, it would only plot the second plot - in both
tabs.
                    source = ColumnDataSource(data)

                    source2 =

ColumnDataSource(data)

                    p1 =
figure(tools=TOOLS, title=y[:-9])

                    p1.scatter(x=OC,
y=HC,source=source,radius=radii, color
=‘mz’,fill_color=colors,
fill_alpha=0.75,line_color=None)

                    tab1 = Panel(child=p1,

title=“Plot1”)

                    p2 =
figure(tools=TOOLS, title=y[:-9])

                    p2.scatter(x=Cno,
y=DBE,source=source2,radius=radii, color
=‘Ono’,fill_color=colors,
fill_alpha=0.75,line_color=None)

                    tab2 = Panel(child=p2,

title=“Plot2”)

                    tabs = Tabs(tabs=[

tab1, tab2 ])

                    output_file(path+"two-plot.html",

title=“test”)

                    show(tabs)  # open a

browser

``

          When I have source=source for both (and no source2),

both tabs show the second plot.

          Is this a feature or a bug?  

          Is it because they are both scatter plots?

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Will_KewMay 04, 2016 #5

That seems to be it - for a number of reasons, I had extracted columns to lists…

I’ve rejigged my code and now the X and Y for both point to columns in a source - and it works OK.

For reference, radius is also affected by this - if the two plots use the same source, the radius (if an actual array/list) is the same for both, regardless of what you specify.
This may be more of an issue because of the way bokeh deals with scatter point sizes, but I think thats another issue…

Thanks

···

On Wednesday, 4 May 2016 22:01:35 UTC+1, Bryan Van de ven wrote:

Are OC, DBE, etc the string names of columns in the data source? Or actual arrays/lists? If the latter then the default-created columns are probably overwriting each other! We are probably going to disallow mixing “literal arrays” and supplied data sources, for this reason. Try putting the data columns in the data source, and then use x=“the_column_name” instead.

Thanks,

Bryan

On May 4, 2016, at 15:51, pop...@gmail.com wrote:

I’m trying to collate similar, but different, plots, based on the same data source, into a single page with the tabbed pane layout.

Initially, I’m just trying to plot two scatter ones. They use different axes, but the source dataframe is meant to be the same. However, unless I created two unique source instances, it would only plot the second plot - in both tabs.

source = ColumnDataSource(data)

source2 = ColumnDataSource(data)

p1 = figure(tools=TOOLS, title=y[:-9])

p1.scatter(x=OC, y=HC,source=source,radius=radii, color =‘mz’,fill_color=colors, fill_alpha=0.75,line_color=None)

tab1 = Panel(child=p1, title=“Plot1”)

p2 = figure(tools=TOOLS, title=y[:-9])

p2.scatter(x=Cno, y=DBE,source=source2,radius=radii, color =‘Ono’,fill_color=colors, fill_alpha=0.75,line_color=None)

tab2 = Panel(child=p2, title=“Plot2”)

tabs = Tabs(tabs=[ tab1, tab2 ])

output_file(path+“two-plot.html”, title=“test”)

show(tabs) # open a browser

``

When I have source=source for both (and no source2), both tabs show the second plot.

Is this a feature or a bug?
Is it because they are both scatter plots?

–

You received this message because you are subscribed to the Google Groups “Bokeh Discussion - Public” group.

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For more options, visit https://groups.google.com/a/continuum.io/d/optout.

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systemJul 21, 2021 #6

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