can matplotlib make a plot like this?

Community matplotlib-users
1

Hi, group,

         I am wondering if matplotlib can make a plot look like the

attached one. Basically, the y-axis was collapsed to show both one
extreme value and the rest of smaller values.

Thanks.

Chunlei

moz-screenshot.jpg

2

I don't know how to make the "//" symbol in the y-axis, but if you have two plots that share the same x-axis, you can represent this kind of data.

The "Working with multiple figure and axes" section of the tutorial

http://matplotlib.sourceforge.net/tutorial.html

is almost right; if you turn off the display of the x-axis in the upper plot, it will be even better.

&C

ยทยทยท

On Oct 19, 2006, at 3:05 PM, CL wrote:

Hi, group,
             I am wondering if matplotlib can make a plot look like the attached one. Basically, the y-axis was collapsed to show both one extreme value and the rest of smaller values.

Thanks.

Chunlei

<moz-screenshot.jpg>

<moz-screenshot.jpg>
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3

I was thinking of something like this - it isn't pretty, but it does get all the data on the page.

import pylab

# Annoying-to-plot data
data=[1]*100 + [2]*3 + [3]*2+ [4]*3 + [5]

# Make a histogram out of the data in x and prepare a bar plot.
top = pylab.subplot(211)
vals, bins, patchs = pylab.hist(data)

# but only show the top fraction of the graph in the upper plot
top.set_ylim(max(vals)-2, max(vals)+2)

bot = pylab.subplot(212)
vals, bins, patchs=pylab.hist(data)
bot.set_ylim(0,4)

pylab.show()