ggplot2::coord_fixed() margin problem

On Sun, 20 Dec 2020 at 17:43, Rui Barradas <ruipbarradas at sapo.pt> wrote:

Thank you for trying to answer my question.

I am not sure I understand the problem.
With coord_fixed() both axis have the same length and the plot is a
square. When resizing the plot window the white areas can be on
top/bottom if the window height is bigger than its width or to the
left/right if it's the other way around.

Yes.

Does this answer the question?

Nope.
I really need the added space as the same color as the plot.background
(yellow2) in the example below.
However the code below generates a small white space. I was expected it to
be the
same as the plot.background color.

library(ggplot2)
g <-
    ggplot() +
    theme(
       plot.background = element_rect(fill = "yellow2"),
       panel.background = element_rect(fill = "yellow2"),
    )
g <- g + coord_fixed()
g

Regards
Martin

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