[Scilab-users] arrows in axis

[Federico Miyara]

Thanks, Samuel.

It is an acceptable workaround.

I believe an axes property might be included in future versions, since 
it is frequent practice in books and papers to use box-like plots for 
empirical data and arrow axes for generic functions.

Regards,

Federico


On 03/04/2019 17:21, Samuel Gougeon wrote:
> Hello Federico,
>
> Le 03/04/2019 à 17:42, Federico Miyara a écrit :
>>
>> Dear all,
>>
>> Is there any standard way to add an arrow head to axes in a plot?
>>
>> I have found a function xarrows which allows drawing arrows, so it 
>> could be used as a workaround. But what I actually mean is something 
>> specific for axes which instead of using a plain line style uses one 
>> ended with an arrow head.
>
> There is no dedicated axes property to do that.
>
> You may use xstring() as below.
> Bounds and arrows directions to use to set the arrows positions will 
> depend on the axes orientation (reverse or not) and position 
> (top/bottom | left/right)
>
> Regards
> Samuel
> clf
> plot2d()
> ax  =  gca();
> ax.box  =  "off";
> b  =  ax.data_bounds
>
> xstring(b(1),b(4),"↑")
> set(gce(),  "clip_state","off",  "text_box_mode","centered",  "font_size",4)
>
> xstring(b(2),b(3),"→")
> set(gce(),  "clip_state","off",  "text_box_mode","centered",  "font_size",4)
> Le 03/04/2019 à 17:42, Federico Miyara a écrit :
>> Dear all, Is there any standard way to add an arrow head to axes in a 
>> plot? I have found a function xarrows which allows drawing arrows, so 
>> it could be used as a workaround. But what I actually mean is 
>> something specific for axes which instead of using a plain line style 
>> uses one ended with an arrow head. Regards, Federico Miyara
>
>
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