On Nov 9, 2014, at 3:42 PM, Christopher Nolan <cnolan@gmail.com> wrote:
Thanks Bryan, I'm not quite sure how I missed that one! All working.
Cheers,
Chris.
On Mon, Nov 10, 2014 at 2:01 AM, Bryan Van de Ven <bryan@bokeh.org> wrote:
Hi Chris,
Bokeh glyphs are "vectorized" over sequences of data. I believe this may be your problem:
> ds.data['x'] = 0.6
If you are updating the data in the ColumnDataSource like that, you need to specify a sequence of points (even if there is only one). Try
ds.data['x'] = [0.6]
Bryan
> On Nov 8, 2014, at 8:28 PM, Christopher Nolan <cnolan@gmail.com> wrote:
>
> Hi folks, I'm having an issue creating glyphs that I can update on the bokeh server. The provided animation examples work for me, but when I try to create my own, the glyphs disappear when I update. I've tried using the high level plotting syntax:
>
> import bokeh.plotting as bp
> import bokeh.objects as bo
>
> bp.output_server('test')
>
> bp.figure(title='Test')
> bp.hold()
> bp.wedge([0.5], [0.5],
> radius=0.04, radius_units='data',
> start_angle=[7*np.pi/8],
> end_angle=[9*np.pi/8],
> fill_color='black',
> fill_alpha=1.0)
> renderers = [r for r in bp.curplot().renderers if isinstance(r, bo.Glyph)]
> ds = renderers[0].data_source
>
> ds.data['x'] = 0.6
>
> bp.cursession().store_objects(ds)
>
> If I omit the last line, I get a wedge in the original position. If I try to update the server-side object, the axes update to the new position of the glyph, but the wedge disappears. I've also tried building up the plot myself from a ColumnDataSource and Plot / Wedge objects, with the same result. Can anyone point out where I'm going wrong here?
>
> Cheers,
> Chris.
>
>
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