[Scilab-users] Plot with 2 y-axes

[Richard llom]

Hello Samuel,
I couldn't find plotyy in the help, neither does plotyy() work for me:
"Undefined variable: plotyy"

I will take a look at the archives...

regards
richard



Hello,
There are 2 demos named plotyy() and plotyyy() that are examples that 
you can edit and mimick, about this topic.
In addition, it was already dealt with in some quite recent threads in 
this mailing list. You may have a look to the archives.
Regards
Samuel

Le 27/06/2017 à 00:51, Richard llom a écrit :
> Hello fellow scilab-users,
> I'm having a hard time creating a plot with two y-axes. This is what I
> tried
> so far:
>
> // Visualization
> clf();
> // Channel 1
> plot2d(1:10,1:10);
> ax1=gca();
> ax1.x_label.text="time";
> ax1.y_label.text="ch1";
> ax1.y_location="left";
> ax1.foreground=5;
> ax1.font_color=5; // red
>
> // Channel 2
> ax2=newaxes();
> plot2d(1:10,5:-0.25:2.75);
> ax2.y_label.text="ch2";
> ax2.y_location="right";
> ax1.foreground=2;
> ax2.font_color=2; // blue
>
> 1.
> First of all I'm missing my first plot. It seems to be erased by the 2nd
> one, although in the help it says "By default, successive plots are
> superposed."???
>
> 2.
> For channel 1 I want to have all information in red, that is the line,
> y-axes, y-label but not x-axes. Same for ch2 but in blue. How do I achieve
> this?
>
> 3.
> Is it possible to create a third y-axes like this:
> https://i.stack.imgur.com/BYFr4.png
> ?
>
> Many Thanks,
> richard



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