Re: [Matplotlib-users] Scatter legend woes.

[Paul K. <np...@gm...>]

I have a routine where I start outside the loop with and empty sequence
> leg = []
then add at each iteration the label
> leg.append('mylabel')

then call legend with the sequence at the end

> legend(leg)

I think I once truncated the list and got part only

> legend(leg[:2])

It depends on what you want to do.

   Paul

On Wed, Jun 13, 2012 at 8:56 PM, Mike Kaufman <mc...@gm...> wrote:
> On 6/13/12 3:23 PM, Steven Boada wrote:
>> Whoops, I forgot to change the subject. Sorry list.
>>
>> List,
>>
>> I'm making a scatter plot using a for loop. Here's a simple example..
>>
>> for i in range(10):
>>       x=rand()
>>       y=rand()
>>       scatter(x,y,label='point')
>>
>> legend()
>> show()
>>
>>
>> When you do this, you get a legend entry for every single point. In this
>> case, I get 9 entries in my legend.
>>
>> Is there a way to only get a single entry? I have looked into creating
>> the legends by hand, but I'm not having much luck. Googling, only turned
>> up a single example of someone else with the same problem.
>>
>> Help me list, you're my only hope.
>
> Perhaps not exactly what you want, but an answer is don't use a loop:
>
> x = rand(10)
> y = rand(10)
> scatter(x,y, label='points')
> legend()
> draw()
> show()
>
> Of course if you want to color each point differently, then this won't work.
>
> M
>
>
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