[R] R plot split screen in uneven panels

[Luigi Marongiu]

Thank you, that worked good. I tried to read the help for
layout/split.screen but I found it confusing.
On Wed, Dec 12, 2018 at 5:51 PM Bert Gunter <bgunter.4567 using gmail.com> wrote:
>
> Incidentally, here is another way to do what (I think) you asked using layout():
>
> m <- matrix(c(1,2,2), nrow =1)
> layout(m)
> plot(1:10, type = "p",main = "The First Plot")
> plot(10:1, type = "l", main ="The Second Plot")
>
> On my device, the plots use different size fonts, point sizes, etc. and so aesthetically differ. I do not know why and am too lazy to delve into the code.
>
> Bert Gunter
>
> "The trouble with having an open mind is that people keep coming along and sticking things into it."
> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>
>
> On Wed, Dec 12, 2018 at 8:39 AM Bert Gunter <bgunter.4567 using gmail.com> wrote:
>>
>> ?layout
>> Please read the Help file **carefully** and work through the **examples**. I cannot explain better than they.
>> Here is code using layout() that I think does what you want:
>>
>> m <- matrix(1:2, nrow =1)
>> layout(m, widths = c(1,2))
>> plot(1:10, type = "p",main = "The First Plot")
>> plot(10:1, type = "l", main ="The Second Plot")
>>
>> Note that both the lattice package and ggplot2 can also do this sort of thing much more flexibly(and therefore requiring more effort to learn).
>>
>> Cheers,
>> Bert
>>
>>
>> Bert Gunter
>>
>> "The trouble with having an open mind is that people keep coming along and sticking things into it."
>> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>>
>>
>> On Wed, Dec 12, 2018 at 7:19 AM Luigi Marongiu <marongiu.luigi using gmail.com> wrote:
>>>
>>> Dear all,
>>> I would like to draw two plots in the same device so that there is a
>>> single row and two columns, with the first column being 1/3 of the
>>> device's width.
>>> I am creating a PNG object with width = 30 and height = 20 cm.
>>> I know that I should use split.screen or layout but I am lost with the
>>> matrix to pass to the functions.
>>> For istance, I tried:
>>> # distance in arbitrary units (so let's say cm) from of corners
>>> # left, right, bottom, and top counting from bottom left corner
>>> # that is first panel has the bottom right corner 20 cm from the bottom left?
>>> > m = matrix(c(0,20,40,0, 20,60,40,0), byrow=T, ncol=4)
>>> > m
>>>      [,1] [,2] [,3] [,4]
>>> [1,]    0   20   40    0
>>> [2,]   20   60   40    0
>>> > split.screen(m)
>>> Error in par(split.screens[[cur.screen]]) :
>>>   invalid value specified for graphical parameter "fig"
>>> > m[1,]
>>> [1]  0 20 40  0
>>> > split.screen(m[1,])
>>> Error in split.screen(m[1, ]) : 'figs' must specify at least one screen
>>>
>>> What should be the syntax for this task?
>>>
>>> --
>>> Best regards,
>>> Luigi
>>>
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-- 
Best regards,
Luigi