I'll try that.
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________________________________
From: Richard M. Heiberger <r...@temple.edu>
Sent: Wednesday, January 5, 2022 8:31:15 PM
To: Sorkin, John <jsor...@som.umaryland.edu>; Duncan Murdoch
<murdoch.dun...@gmail.com>; r-help@r-project.org (r-help@r-project.org)
<r-help@r-project.org>
Subject: Re: [External] Re: [R] Save a graph file use jpeg(file=file)
you can make the rgl window full screen, and then stretch the graph to fill the
window, and then use snapshot 3d
________________________________
From: R-help <r-help-boun...@r-project.org> on behalf of Sorkin, John
<jsor...@som.umaryland.edu>
Sent: Wednesday, January 5, 2022 8:23:34 PM
To: Duncan Murdoch <murdoch.dun...@gmail.com>; r-help@r-project.org
(r-help@r-project.org) <r-help@r-project.org>
Subject: [External] Re: [R] Save a graph file use jpeg(file=file)
Ducan,
As always, you are very giving of your time to help R users. Thank you!
scatter3d is from the car package.
As I understand snapshot3d, it takes a screen shot and saves the resultant
file. This implies that the resultant file will be 72 DPI. I need to get a
higher resolution image, at least 300 DPI. Do you have any suggestions?
Thanks as always.
John
________________________________________
From: Duncan Murdoch <murdoch.dun...@gmail.com>
Sent: Wednesday, January 5, 2022 2:58 PM
To: Sorkin, John; r-help@r-project.org (r-help@r-project.org)
Subject: Re: [R] Save a graph file use jpeg(file=file)
On 05/01/2022 2:45 p.m., Sorkin, John wrote:
> I am trying to create a 3-D graph (using scatter3d) and save the graph to a
> file so I can insert the graph into a manuscript. I am able to create the
> graph. When I run the code below an RGL window opens that has the graph. The
> file is saved to disk after dev.odd() runs. Unfortunately, when I open the
> saved file, all I see is a white window. Can someone tell me how to have the
> file so I can subsequently read and place the file in a paper? The problem
> occurs regardless of the format in which I try to save the file, e.g. png,
> tiff.
>
>
> x <- 1:10
> y <- 2:11
> z <- y+rnorm(10)
> ForGraph<-data.frame(x=x,y=y,z=z)
> ForGraph
>
> gpathj <- file.path("C:","LAL","test.jpeg")
> gpathj
> jpeg(file = gpathj)
> par(mai = c(0.5, 0.5, 0.5, 0.5))
> scatter3d(z=ForGraph$x,
> y=ForGraph$y,
> x=ForGraph$z,
> surface=FALSE,grid=TRUE,sphere.size=4
> ,xlab="Categories",ylab="ScoreRange",
> zlab="VTE Rate (%)",axis.ticks=TRUE)
> dev.off()
>
>
You didn't say what package you found scatter3d in, but you did say it
opens an rgl window. rgl doesn't use R graphics devices, so jpeg() and
the like don't work.
To save an rgl image, you use the rgl::snapshot3d() function. It only
has support for saving to PNG format.
If you are writing your manuscript in R Markdown or knitr Rnw, there are
ways to have the file included automatically. There have been methods
to use with Sweave as well, but those aren't being maintained: people
should use knitr instead.
Duncan Murdoch
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