[R-SIG-Mac] Problem generating an SVG file from a CSV file on the Mac

[Bert Gunter]

1. No reprex (we don't have WeightThru2018.csv) !
2. Please post in plain text, not html . (did no har here, but could).
3. The following worked fine on my mac.
> svg()
> plot(1:5)
> dev.off()

> sessionInfo()
R version 3.6.1 (2019-07-05)
Platform: x86_64-apple-darwin15.6.0 (64-bit)
Running under: macOS Mojave 10.14.6

Matrix products: default
BLAS:
/System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
LAPACK:
/Library/Frameworks/R.framework/Versions/3.6/Resources/lib/libRlapack.dylib

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

... etc.

Cheers,

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 Tue, Aug 20, 2019 at 3:18 PM Richard Fuhr <richard.fuhr using gmail.com> wrote:

> I have encountered a problem generating an SVG file from a CSV file using R
> on the Mac.
> When I invoke the exact same script on two different Linux machines things
> work fine.
> Here is the script
>
> Sys.setenv(TZ="US/Pacific")
> w<-read.csv("WeightThru2018.csv")
> x<-as.Date(w$Date, "%m/%d/%y")
> y<-w$Weight
> For some reason svg combined with plot do not work on the Mac
> svg("WeightThrough2018.svg")
> plot(x,y, type="l")
> pdf("WeightThrough2018.pdf")
> plot(x,y, type="l")
> jpeg("WeightThrough2018.jpg")
> plot(x,y, type="l")
> png("WeightThrough2018.png")
> plot(x,y, type="l")
> dev.off()
>
> The file, WeightThru2018.csv, consists of lines, each of which has a date
> followed by a weight.
> Here is the very beginning of the file
>
> Date,Weight
> 6/4/00,189
> 6/5/00,191
> 6/6/00,191
> 6/7/00,191
> 6/9/00,190
>
> When I run the script on the Mac, the system hangs with the first plot
> command (after the call to the sag function)
> When I comment out the line with the svg function and the first plot
> command, things run fine on the Mac and the PDG, JPG and PNG files are
> generated.
>
> When I run the script with no lines commented out on my Linux machines,
> things work fine.
>
> When I enter the commands interactively on the Mac, the system hangs (no
> error messages) with the first plot command.
>
> On the Mac I did verify that the variables x and y were being extracted
> properly.
>
> Has anyone else out there tried to generate an SVG file that was a plot of
> (x,y) data?
>
> I also found that, on the Mac, just running the plot command without
> preceding it will a call to sag, pdf, jpeg, or plot, worked fine and I
> could see the plot.
>
> SVG is a nice format, and I would like to be able to generate SVG files on
> the Mac.
>
>         [[alternative HTML version deleted]]
>
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