Hi marc,
Try:
par("usr")
before and after the call to points and see if it changes.
Jim
On Sat, Jul 22, 2017 at 12:05 AM, Marc Girondot via R-help
<r-help@r-project.org> wrote:
> It is known (several discussions on internet) that axis() cannot be used
> after fields:::image.plot() (axis() shows nothing).
>
> However, if points(1.5, 1.5, type="p") is inserted before the axis()
> finctions, it works.
>
> I have investigated what points(1.5, 1.5, type="p") is doing to allow axis
> to work and I don't find a solution. par() options are identical (p1 and p2
> are identical).
>
> Has someone a solution ?
>
> Thanks
>
> Marc
>
> library(fields)
> p0 <- par(no.readonly=TRUE)
> image.plot(D, col=rev(heat.colors(128)),bty="n", xlab="Lines",
> ylab="Columns", cex.lab = 0.5, zlim=c(min(D, na.rm=TRUE),max(D,
> na.rm=TRUE)),
> las=1, axes=FALSE)
> p1 <- par(no.readonly=TRUE)
>
> # if you remove this points() function, axis will show nothing.
>
> points(1.5, 1.5, type="p")
> p2 <- par(no.readonly=TRUE)
>
> ##########
> axis(1, at=seq(from=0, to=1, length=nrow(D)), labels=0:2, cex.axis=0.5)
> axis(2, at=seq(from=0, to=1, length=ncol(D)), labels=0:3, las=1,
> cex.axis=0.5)
>
> identical(p1, p2)
>
> ______________________________________________
> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
______________________________________________
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
