Hi,
I'm having a look at the dashboard example in the datashader package. In
the code of dashboard.py at around line 290 there's a method
update_hover which seems to properly take care of adding a hover layer.
When I load the nyc taxi example like this:
python dasboard.py -c nyc_taxi.yml
the hover tool is shown in the tool list on the right hand side. I can
uncheck and check the checkbox inside it, but there is nothing showing
up, when I move my mouse over any datapoint.
Am I missing something about how the hover_tool is supposed to work?
It works fine for me, when I run hover_layer.ipynb from the bokeh
examples in the same virtual environment.
Cheers
Jan
Hi Jan! Thanks for your bug report. Datashader is managed separately from bokeh, and uses github issues to manage questions like this, so could you please file an issue at https://github.com/bokeh/datashader/issues listing your bokeh and datashader versions? It doesn’t sound like hover is working as it should for you.
···
On Wed, Oct 12, 2016 at 6:28 AM, Jan Girlich [email protected] wrote:
Hi,
I’m having a look at the dashboard example in the datashader package. In
the code of dashboard.py at around line 290 there’s a method
update_hover which seems to properly take care of adding a hover layer.
When I load the nyc taxi example like this:
python dasboard.py -c nyc_taxi.yml
the hover tool is shown in the tool list on the right hand side. I can
uncheck and check the checkbox inside it, but there is nothing showing
up, when I move my mouse over any datapoint.
Am I missing something about how the hover_tool is supposed to work?
It works fine for me, when I run hover_layer.ipynb from the bokeh
examples in the same virtual environment.
Cheers
Jan
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Jim
Thanks! Datashader hovering is implemented using Bokeh, but the code for it is part of the datashader repo because it is specific to datashader (the data has to be re-aggregated to allow hovering). I’ll respond to the issue over there.
···
On Wed, Oct 12, 2016 at 10:52 AM, Jan Girlich [email protected] wrote:
Hi James,
Am 12.10.2016 um 14:36 schrieb James Bednar:
Hi Jan! Thanks for your bug report. Datashader is managed separately from
bokeh, and uses github issues to manage questions like this, so could you
please file an issue at https://github.com/bokeh/datashader/issues listing
your bokeh and datashader versions? It doesn’t sound like hover is working
as it should for you.
I created an issue here: https://github.com/bokeh/datashader/issues/252
But as far as I understand the hover tool in datashader is entirely
covered by the bokeh part, isn’t it?
Cheers
Jan
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Jim
Hi Jim,
Thanks! Datashader hovering is implemented using Bokeh, but the code for
it is part of the datashader repo because it is specific to datashader (the
data has to be re-aggregated to allow hovering). I'll respond to the issue
over there.
don't mean to rush you, but I need to get this to work. Maybe you can
tell me how I can help to debug this. I'm an experienced developer
(backend, not web), but I don't know the codebase of datashader and
where to start looking to debug this. So it would speed me up a lot if
you could tell me a few words about where to start looking at this.
Cheers
Jan
···
Am 12.10.2016 um 18:26 schrieb James Bednar:
Jim
On Wed, Oct 12, 2016 at 10:52 AM, Jan Girlich <[email protected]> > wrote:
Hi James,
Am 12.10.2016 um 14:36 schrieb James Bednar:
Hi Jan! Thanks for your bug report. Datashader is managed separately
from
bokeh, and uses github issues to manage questions like this, so could you
please file an issue at Issues · holoviz/datashader · GitHub
listing
your bokeh and datashader versions? It doesn't sound like hover is
working
as it should for you.
I created an issue here: Hover not showing up in dashboard.py nyc taxi example · Issue #252 · holoviz/datashader · GitHub
But as far as I understand the hover tool in datashader is entirely
covered by the bokeh part, isn't it?
Cheers
Jan
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