Re: scatter3 is really slow

> On Thu, Jul 2, 2009 at 9:25 PM, David Bateman<dbateman@...> wrote:
>  
>> Dr. Johannes Zellner wrote:
>>    
>>> hi,
>>>
>>> scatter3 ist really slow here. It's MUCH slower than doing the same
>>> plot in gnuplot.
>>> What's the problem here?
>>>
>>>
>>>
>>>      
>> Blame mathworks for considering that each point in a scatter point is a
>> separate patch object.. Then imagine the for loop that Octave needs to
>> have to send all that mess gnuplot.. I don't think there is much to do
>> here for the gnuplot backend though something might be possible with
>> other backends.
>>
>> D.
>>
>>    
>
> If it is slowing things down this much (and I confirm, scatter takes
> ages for 1000 points), what about making the Matlab compatible
> behavior only optional? I can hardly imagine what it's good for to
> have a separate handle for each point, except maybe scatter plots of
> just several points. Matlab compatibility is generally good, but
> surely not when it renders a function close to unusable.
>
>
>