Hi
This is a bug, there is already an issue you can track:
screen distance spec fields fail with bokeh.client · Issue #6409 · bokeh/bokeh · GitHub
Thanks,
Bryan
···
On Jul 14, 2017, at 12:19, [email protected] wrote:
import numpy as np
import bokeh.models
from bokeh.plotting import figure, curdoc
from bokeh.client import push_session# create a plot and style its properties
fig = figure(x_range=(0, 100), y_range=(0, 100), toolbar_location=None)x_data = np.array([0,2,4])
y_data = np.array([0, 2, 4])
size_data = np.array([1, 1, 2])source = bokeh.models.ColumnDataSource(data={'x':x_data, 'y':y_data, 'size':size_data})
#OK always:
#fig.circle(x='x', y='y', radius='size', source=source)#OK if server=False; FAIL, if server=True:
fig.circle(x='x', y='y', size='size', source=source)
# error handling message Message 'PATCH-DOC' (revision 1):
# ValueError("expected an element of either String, Dict(Enum('field', 'value', 'transform'),
# Either(String, Instance(Transform), Float)) or Float, got {u'units': u'screen', u'field': u'size'}",)server = True
if server is False:
# run with 'bokeh serve --show test_bokeh.py'
curdoc().add_root(fig)
else:
# run 'bokeh serve' first, then 'python test_bokeh.py
# using: 'Starting Bokeh server version 0.12.6 (running on Tornado 4.5.1)'
# set up session
session = push_session(curdoc())
curdoc().add_root(fig)
session.show() # open the document in a browser
session.loop_until_closed() # run forever