Archived discussions · Captured October 28, 2026

why doesn't the y-axis have same distance

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liao_linboApr 08, 2016 #1

Hi,

I wrote a test script to display some data. Here is the script:

from bokeh.plotting import figure, output_file, show

x = [1, 10, 20, 30, 40, 50, 100, 200, 300]
y = [21939, 119904, 165837, 186567, 181159, 165289, 177935, 149031, 141843]

ymin = min(y)
ymax = max(y)

p = figure(
#tools=“save”, y_axis_type=“log”, y_range=[ymin, ymax], title=“test”,
tools=“save”, y_axis_type=“log”, title=“test”,
x_axis_label=‘Number of client’, y_axis_label=‘Requests per second’
)

output_file(“test.html”)

p.line(x, y, legend=“test”, line_color=“red”, line_width=2)
p.circle(x, y, size=6, legend=“test”, line_color=“red”, fill_color=“red”)

show the results

show(p)

After the executing, I find the y-axis show:

5.000e+4
1.000e+5
1.500e+5

but distance between them in the chart are not same, how can I set them as fixed same distance, like x-axis?

Thanks,
Linbo

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Christian_TremblayApr 08, 2016 #2

log scale - https://en.wikipedia.org/wiki/Logarithmic_scale
y_axis_type=“log”

···

2016-04-08 5:03 GMT-04:00 liao.linbo@gmail.com:

Hi,

I wrote a test script to display some data. Here is the script:

from bokeh.plotting import figure, output_file, show

x = [1, 10, 20, 30, 40, 50, 100, 200, 300]
y = [21939, 119904, 165837, 186567, 181159, 165289, 177935, 149031, 141843]

ymin = min(y)
ymax = max(y)

p = figure(
#tools=“save”, y_axis_type=“log”, y_range=[ymin, ymax], title=“test”,
tools=“save”, y_axis_type=“log”, title=“test”,
x_axis_label=‘Number of client’, y_axis_label=‘Requests per second’
)

output_file(“test.html”)

p.line(x, y, legend=“test”, line_color=“red”, line_width=2)
p.circle(x, y, size=6, legend=“test”, line_color=“red”, fill_color=“red”)

show the results

show(p)

``

After the executing, I find the y-axis show:

5.000e+4
1.000e+5
1.500e+5

but distance between them in the chart are not same, how can I set them as fixed same distance, like x-axis?

Thanks,
Linbo

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liao_linboApr 10, 2016 #3

Thanks, I will have a try.

···

2016-04-08 21:35 GMT+08:00 Christian Tremblay christian.tremblay@servisys.com:

log scale - https://en.wikipedia.org/wiki/Logarithmic_scale
y_axis_type=“log”

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For more options, visit https://groups.google.com/a/continuum.io/d/optout.

Christian Tremblay, ing.

Tél : 450-305-6177, 225

Cell : 450-577-0538

Courriel : christian.tremblay@servisys.com

Prenez

**le contrôle **de votre bâtiment

2016-04-08 5:03 GMT-04:00 liao.linbo@gmail.com:

Hi,

I wrote a test script to display some data. Here is the script:

from bokeh.plotting import figure, output_file, show

x = [1, 10, 20, 30, 40, 50, 100, 200, 300]
y = [21939, 119904, 165837, 186567, 181159, 165289, 177935, 149031, 141843]

ymin = min(y)
ymax = max(y)

p = figure(
#tools=“save”, y_axis_type=“log”, y_range=[ymin, ymax], title=“test”,
tools=“save”, y_axis_type=“log”, title=“test”,
x_axis_label=‘Number of client’, y_axis_label=‘Requests per second’
)

output_file(“test.html”)

p.line(x, y, legend=“test”, line_color=“red”, line_width=2)
p.circle(x, y, size=6, legend=“test”, line_color=“red”, fill_color=“red”)

show the results

show(p)

``

After the executing, I find the y-axis show:

5.000e+4
1.000e+5
1.500e+5

but distance between them in the chart are not same, how can I set them as fixed same distance, like x-axis?

Thanks,
Linbo

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For more options, visit https://groups.google.com/a/continuum.io/d/optout.

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BryanApr 10, 2016 #4

To be specific, you are currently using a log scale, which is why things "are not evenly spaced". On a log scale, it is decades that are evenly spaced, i.e. 10, 100, 1000 are all evenly spaced. If you want a linear scale, that is the default, so remove the y_axis_type="log" that you currently have.

Bryan

···

On Apr 9, 2016, at 7:09 PM, liao linbo <liao.linbo@gmail.com> wrote:

Thanks, I will have a try.

2016-04-08 21:35 GMT+08:00 Christian Tremblay <christian.tremblay@servisys.com>:
log scale - Logarithmic scale - Wikipedia
y_axis_type="log"

Christian Tremblay, ing.
Tél : 450-305-6177, 225
Cell : 450-577-0538
Courriel : christian.tremblay@servisys.com

Prenez
le contrôle de votre bâtiment

2016-04-08 5:03 GMT-04:00 <liao.linbo@gmail.com>:

Hi,

I wrote a test script to display some data. Here is the script:

from bokeh.plotting import figure, output_file, show

x = [1, 10, 20, 30, 40, 50, 100, 200, 300]
y = [21939, 119904, 165837, 186567, 181159, 165289, 177935, 149031, 141843]

ymin = min(y)
ymax = max(y)

p = figure(
    #tools="save", y_axis_type="log", y_range=[ymin, ymax], title="test",
    tools="save", y_axis_type="log", title="test",
    x_axis_label='Number of client', y_axis_label='Requests per second'
)

output_file("test.html")

p.line(x, y, legend="test", line_color="red", line_width=2)
p.circle(x, y, size=6, legend="test", line_color="red", fill_color="red")

# show the results
show(p)

After the executing, I find the y-axis show:

5.000e+4
1.000e+5
1.500e+5

but distance between them in the chart are not same, how can I set them as fixed same distance, like x-axis?

Thanks,
Linbo

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systemJul 21, 2021 #5

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