[Scilab-users] Lack of Scatter type plots in scilab

[Rafael Guerra]

Hi Nec.,

I think you may have missed some points discussed in the thread mentioned and some of Samuel's advice.
If you are using Scilab 6, then you should use scatter(). See timer() comparisons below.

Scilab 5 using xfarcs() - plot 34,000 circles color coded:
    drawlater:    t = 92.2  (1.5 min)
    "drawnow": t = 2992.8 (50 min)

Scilab 6 using scatter() - plot 34,000 circles color coded:
     t = 4.8 s

Scilab 6 is the hands down winner.

Regards,
Rafael

-----Original Message-----
From: users [mailto:users-bounces at lists.scilab.org] On Behalf Of nec
Sent: Friday, November 18, 2016 1:44 PM
To: users at lists.scilab.org
Subject: Re: [Scilab-users] Lack of Scatter type plots in scilab

Hi Rafael,

Thank you for letting me know about drawlater() and drawnow() functions
.I tried them and waited about 2 minutes, nothing drawn , so I restarted the
run without them. 

I am sure functions are useful. But there is something not quite right
either in my code ot with the function itself  as, without them, i can see
the point(pixel) being colored like the head in a dot matrix plotter, i can
watch and follow the locations(consecutive in space in my case) being
painted on the screen.

Since I will be running these plots only a few times I don't mind waiting 20
minutes or so everytime as plots are very nice.

I am running Scilab 6... on windows 10 platform on a very powerful machine
(AMD processor with speed 3.8 Ghz with 6 cores, with 10 GB memory, 2 GB on
board video memory on Eyefinity Radeon HD 7570 video card ). 

It seems 20 minutes that I mentioned previously was not even an exeguration
I won't be surprised if this run takes more than 45 minutes to an hour to
finish as I can still see it is painting the plot; I started it before I
started  writing this note to you.  

If you want to check my code I can send it and the data that it uses to you
on a private email. if you send me your email address: mine is
n.gulunay at gmail.com

Regards,
Nec.



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