Closed
Description
ALL software version info (bokeh, python, notebook, OS, browser, any other relevant packages)
OS: Windows 7 Pro SP1 x64
Browser: Firefox Nightly (58.0a1 64bit) and Chrome (61.0.3163.100 64bit)
python==3.5.4 (32bit)
bokeh==0.12.10
Jinja2==2.9.6
MarkupSafe==1.0
numpy==1.13.3
pandas==0.20.3
python-dateutil==2.6.1
pytz==2017.2
PyYAML==3.12
six==1.11.0
tornado==4.5.2
Description of expected behavior and the observed behavior
Log scale grpah will be blank if output_backend is webgl
For svg and canvas backend can display log scale graph normally
Complete, minimal, self-contained example code that reproduces the issue
# just copy from http://bokeh.pydata.org/en/latest/docs/gallery/logaxis.html
import numpy as np
from bokeh.io import output_file, show
from bokeh.plotting import figure
x = np.linspace(0.1, 5, 100)
p = figure(title="log axis example", y_axis_type="log",
y_range=(0.001, 10**22), output_backend='webgl')
p.line(x, np.sqrt(x), legend="y=sqrt(x)",
line_color="tomato", line_dash="dotdash")
p.line(x, x, legend="y=x")
p.circle(x, x, legend="y=x")
p.line(x, x**2, legend="y=x**2")
p.circle(x, x**2, legend="y=x**2",
fill_color=None, line_color="olivedrab")
p.line(x, 10**x, legend="y=10^x",
line_color="gold", line_width=2)
p.line(x, x**x, legend="y=x^x",
line_dash="dotted", line_color="indigo", line_width=2)
p.line(x, 10**(x**2), legend="y=10^(x^2)",
line_color="coral", line_dash="dashed", line_width=2)
p.legend.location = "top_left"
p.xaxis.axis_label = 'Domain'
p.yaxis.axis_label = 'Values (log scale)'
output_file("logplot.html", title="log plot example")
show(p) # open a browser
Stack traceback and/or browser JavaScript console output
no error or warning shown