how to dynamically change axis range in BokehJS?

On Feb 5, 2015, at 9:21 PM, jzhoup@gmail.com wrote:

Hello,

I am developing a standalone webpage for visualization data only using bokehjs (0.7.1). I manage to update the plot with data, but I cannot figure out a way to update my axis ranges correctly ( e.g. after I adjust y range say from [0,1] to [-1,1], x axis appear in its original position i.e. 0, but I want it to be at -1 ). How could I update the ranges correctly?

Thanks!
Jian

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On Friday, February 6, 2015 at 9:06:32 PM UTC-5, Bryan Van de ven wrote:

Can you provide some code for what you are currently trying? It should be a matter of setting the start/end attributes of the relevant range objects on the Plot.

Bryan

On Feb 5, 2015, at 9:21 PM, jzh...@gmail.com wrote:

Hello,

I am developing a standalone webpage for visualization data only using bokehjs (0.7.1). I manage to update the plot with data, but I cannot figure out a way to update my axis ranges correctly ( e.g. after I adjust y range say from [0,1] to [-1,1], x axis appear in its original position i.e. 0, but I want it to be at -1 ). How could I update the ranges correctly?

Thanks!

Jian

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On Friday, February 6, 2015 at 11:41:30 PM UTC-5, jzh...@gmail.com wrote:

what i am doing is basically hacking the html generated by bokeh output_file().

I managed to change the data dynamically by doing:

datasource = Bokeh.Collections(‘ColumnDataSource’).models[0]

#code to modify datasource

datasource.trigger(‘change’, datasource, {});

This worked.

I tried changing y_range by doing:

yrangesource = Bokeh.Collections(‘Range1d’).models[0]

yrangesource[“attributes”][“end”]=ymax

yrangesource[“attributes”][“start”]=ymin

I never managed to make this work correctly- it ends up just lifting x-axis to ymin positions.

something else I tried, with similar outcome:

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”].pause()

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”][‘y_range’][‘attributes’][“end”]=ymax

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”][‘y_range’][‘attributes’][“start”]=ymin

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”].unpause()

Jian

On Friday, February 6, 2015 at 9:06:32 PM UTC-5, Bryan Van de ven wrote:

Can you provide some code for what you are currently trying? It should be a matter of setting the start/end attributes of the relevant range objects on the Plot.

Bryan

On Feb 5, 2015, at 9:21 PM, jzh...@gmail.com wrote:

Hello,

I am developing a standalone webpage for visualization data only using bokehjs (0.7.1). I manage to update the plot with data, but I cannot figure out a way to update my axis ranges correctly ( e.g. after I adjust y range say from [0,1] to [-1,1], x axis appear in its original position i.e. 0, but I want it to be at -1 ). How could I update the ranges correctly?

Thanks!

Jian

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On Sunday, February 8, 2015 at 9:26:16 PM UTC+1, Jian Zhou wrote:

I have found a solution to my problem…

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”][‘initial_range_info’][‘yrs’][‘default’][‘start’]= ymin;

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”][‘initial_range_info’][‘yrs’][‘default’][‘end’]= ymax;

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”].update_range();

Jian

On Friday, February 6, 2015 at 11:41:30 PM UTC-5, jzh...@gmail.com wrote:

what i am doing is basically hacking the html generated by bokeh output_file().

I managed to change the data dynamically by doing:

datasource = Bokeh.Collections(‘ColumnDataSource’).models[0]

#code to modify datasource

datasource.trigger(‘change’, datasource, {});

This worked.

I tried changing y_range by doing:

yrangesource = Bokeh.Collections(‘Range1d’).models[0]

yrangesource[“attributes”][“end”]=ymax

yrangesource[“attributes”][“start”]=ymin

I never managed to make this work correctly- it ends up just lifting x-axis to ymin positions.

something else I tried, with similar outcome:

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”].pause()

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”][‘y_range’][‘attributes’][“end”]=ymax

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”][‘y_range’][‘attributes’][“start”]=ymin

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”].unpause()

Jian

On Friday, February 6, 2015 at 9:06:32 PM UTC-5, Bryan Van de ven wrote:

Can you provide some code for what you are currently trying? It should be a matter of setting the start/end attributes of the relevant range objects on the Plot.

Bryan

On Feb 5, 2015, at 9:21 PM, jzh...@gmail.com wrote:

Hello,

I am developing a standalone webpage for visualization data only using bokehjs (0.7.1). I manage to update the plot with data, but I cannot figure out a way to update my axis ranges correctly ( e.g. after I adjust y range say from [0,1] to [-1,1], x axis appear in its original position i.e. 0, but I want it to be at -1 ). How could I update the ranges correctly?

Thanks!

Jian

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On Friday, July 21, 2017 at 6:43:36 AM UTC-4, Tony Halik wrote:

How do you obtain the “view” object?

Tony

On Sunday, February 8, 2015 at 9:26:16 PM UTC+1, Jian Zhou wrote:

I have found a solution to my problem…

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”][‘initial_range_info’][‘yrs’][‘default’][‘start’]= ymin;

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”][‘initial_range_info’][‘yrs’][‘default’][‘end’]= ymax;

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”].update_range();

Jian

On Friday, February 6, 2015 at 11:41:30 PM UTC-5, jzh...@gmail.com wrote:

what i am doing is basically hacking the html generated by bokeh output_file().

I managed to change the data dynamically by doing:

datasource = Bokeh.Collections(‘ColumnDataSource’).models[0]

#code to modify datasource

datasource.trigger(‘change’, datasource, {});

This worked.

I tried changing y_range by doing:

yrangesource = Bokeh.Collections(‘Range1d’).models[0]

yrangesource[“attributes”][“end”]=ymax

yrangesource[“attributes”][“start”]=ymin

I never managed to make this work correctly- it ends up just lifting x-axis to ymin positions.

something else I tried, with similar outcome:

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”].pause()

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”][‘y_range’][‘attributes’][“end”]=ymax

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”][‘y_range’][‘attributes’][“start”]=ymin

view[“views”][“4b4cf297-2307-402d-bcee-9db819fe8094”].unpause()

Jian

On Friday, February 6, 2015 at 9:06:32 PM UTC-5, Bryan Van de ven wrote:

Can you provide some code for what you are currently trying? It should be a matter of setting the start/end attributes of the relevant range objects on the Plot.

Bryan

On Feb 5, 2015, at 9:21 PM, jzh...@gmail.com wrote:

Hello,

I am developing a standalone webpage for visualization data only using bokehjs (0.7.1). I manage to update the plot with data, but I cannot figure out a way to update my axis ranges correctly ( e.g. after I adjust y range say from [0,1] to [-1,1], x axis appear in its original position i.e. 0, but I want it to be at -1 ). How could I update the ranges correctly?

Thanks!

Jian

–
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