Re: [Matplotlib-users] Labeling/distinguishing lots of curves on a single plot

[John S. <jsalvati@u.washington.edu>]

By the way, I found that the following generator expression made things
easy:

def styles():
    return ( {'c' : color, 'ls' : style, 'lw' : width} for color, style,
width in itertools.product(colors, linestyles, linewidths))

then you can do something like

for result, style in zip(results, styles()):
    pylab.plot(result[i], **style)

On Mon, Aug 23, 2010 at 1:22 PM, John Salvatier
<jsalvati@u.washington.edu>wrote:

> Thanks!
>
>
> On Mon, Aug 23, 2010 at 12:38 PM, Aman Thakral <ama...@gm...>wrote:
>
>>  Hi John,
>>
>> Here is a simple way to do it.
>>
>> import matplotlib.pyplot as plt
>> import numpy as np
>> fig = plt.figure()
>> ax = fig.add_subplot(111)
>>
>> colors = ('red','green','blue','yellow','orange')
>> linestyles = ('-','--',':')
>> linewidths = (0.5,2)
>>
>> y = np.random.randn(100,30)
>> x = range(y.shape[0])
>> i = 0
>>
>> for c in colors:
>>     for ls in linestyles:
>>         for lw in linewidths:
>>             ax.plot(x,y[:,i],c=c,ls=ls,lw=lw)
>>         i+=1
>> plt.show()
>>
>>
>>
>> On 10-08-23 03:06 PM, John Salvatier wrote:
>>
>> Hello,
>>
>> I have a plot with lots of curves on it (say 30), and I would like to have
>> some way of distinguishing the curves from each other. Just plotting them
>> works well for a few curves because they come out as different colors unless
>> you specify otherwise, but if you do too many you start getting repeats is
>> there a way to have matplotlib also vary the line style that it
>> automatically assigns? Or perhaps someone has another way of distinguishing
>> lots of curves?
>>
>> Best Regards,
>> John
>>
>>
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>