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How do you show dynamic data with GMapPlot?

Nitesh_AnandanFeb 09, 2016 #1

BryanFeb 09, 2016 #2

This question is too broad to answer in an effective way. In the most general sense, it’s not any different than any of the other existing examples that update data in a variety of ways (JS callbacks, Python callbacks, Ajax data sources, etc) For more specific advice, you’d need to be more specific about exactly what you want to accomplish.

Bryan

···

On Feb 9, 2016, at 03:27, niteshanandan1234@gmail.com wrote:

How do you show dynamic data with GMapPlot?

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Nitesh_AnandanFeb 10, 2016 #3

On a normal plot when we zoom into an area the x_range changes. This enables us to utilize the following piece of code to update coordinates via callback. Where update_coordinates is the callback function. But as soon as we use GMapPlot as our plot variable the x_range no longer changes on zoom updates. We realize this is probably intended in GMapPlot however we want to know if there is a parameter that changes when we zoom in GMapPlot.

plot.x_range.on_change(‘end’, update_coordinates)

···

On Tue, Feb 9, 2016 at 5:32 AM, Bryan Van de Ven bryan@bokeh.org wrote:

This question is too broad to answer in an effective way. In the most general sense, it’s not any different than any of the other existing examples that update data in a variety of ways (JS callbacks, Python callbacks, Ajax data sources, etc) For more specific advice, you’d need to be more specific about exactly what you want to accomplish.

Bryan

On Feb 9, 2016, at 03:27, niteshanandan1234@gmail.com wrote:

How do you show dynamic data with GMapPlot?

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Sarah_Bird1Feb 10, 2016 #4

GMapPlot has some odd things
going on.

          You may have more immediate look using another tile provider that comes buil                          t-in

with bokeh.

                      with your original plot                             try

something like:

                        from bokeh.tile_                                  providers import

STAMEN_TERRAIN

                              p.add_tile(STAMEN_TERRAIN)

                                  Sincerely,

                                    Sarah Bird

···

On 2/9/16 8:07 PM, Nitesh Anandan
wrote:

    On a normal plot when we zoom into an area the
x_range changes. This enables us to utilize the following piece
of code to update coordinates via callback. Where
update_coordinates is the callback function. But as soon as we
use GMapPlot as our plot variable the x_range no longer changes
on zoom updates. We realize this is probably intended in
GMapPlot however we want to know if there is a parameter that
changes when we zoom in GMapPlot.

plot.x_range.on_change(‘end’, update_coordinates)

      On Tue, Feb 9, 2016 at 5:32 AM, Bryan
Van de Ven bryan@bokeh.org
wrote:
            This question is too broad to answer in an effective
way. In the most general sense, it’s not any different
than any of the other existing examples that update data
in a variety of ways (JS callbacks, Python callbacks,
Ajax data sources, etc) For more specific advice, you’d
need to be more specific about exactly what you want to
accomplish.

Bryan

                On Feb 9, 2016, at 03:27, niteshanandan1234@gmail.com
                wrote:

                    How do you show dynamic data with

GMapPlot?

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BryanFeb 10, 2016 #5

Ah,

As Sarah suggests, you might want to try the other TileRenderers. In particular, GMaps have additional constraints (around maintaining fixed aspect, etc.) that make the integration with Bokeh less than ideal in places. Basically, we have no choice but to let the GMap "do the driving" in UI interactions, and then respond to that. It's possible that a callback can be hooked up and made to work, but I can also believe that, being a special case, it has not *yet* been hooked up and made to work. Can you make a GitHub issue to request this feature?

Thanks,

Bryan

···

On Feb 9, 2016, at 10:07 PM, Nitesh Anandan <niteshanandan1234@gmail.com> wrote:

On a normal plot when we zoom into an area the x_range changes. This enables us to utilize the following piece of code to update coordinates via callback. Where update_coordinates is the callback function. But as soon as we use GMapPlot as our plot variable the x_range no longer changes on zoom updates. We realize this is probably intended in GMapPlot however we want to know if there is a parameter that changes when we zoom in GMapPlot.

plot.x_range.on_change('end', update_coordinates)

On Tue, Feb 9, 2016 at 5:32 AM, Bryan Van de Ven <bryan@bokeh.org> wrote:
This question is too broad to answer in an effective way. In the most general sense, it's not any different than any of the other existing examples that update data in a variety of ways (JS callbacks, Python callbacks, Ajax data sources, etc) For more specific advice, you'd need to be more specific about exactly what you want to accomplish.

Bryan

On Feb 9, 2016, at 03:27, niteshanandan1234@gmail.com wrote:

How do you show dynamic data with GMapPlot?

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systemJul 21, 2021 #6

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