Re: [Matplotlib-users] legend for plots with points

[Eric F. <ef...@ha...>]

mfabulous wrote:
> Hi all,
> 
> I apologize if this was asked before. I just started adding legends to my
> plots 
> and found the legend stile for a point-plot, i.e. a plot using points rather
> than 
> lines to be a bit confusing. 
> 
> Example:
> pylab.plot(arange(5), arange(5), 'o', label="foo")
> pylab.legend()
> 
> Will produce a legend which looks like "o  o foo".
> Why are there two points? Can I force it to give me only one? 

That may depend on how old your version of matplotlib is; for quite a 
while there has been a "numpoints" kwarg to the legend command which 
lets you set that number, e.g., "pylab.legend(numpoints=1)".

Eric