[R] rgl not plotting properly

[Duncan Murdoch]

On 05/05/2023 6:48 a.m., Jiayue Wang wrote:
> Thanks Duncan. glxgears works at the terminal; tcltk::tktoplevel()
> outputs the following:
> 
> $ID
> [1] ".1"
> 
> $env
> <environment: 0x55b4401d9718>
> 
> attr(,"class")
> [1] "tkwin"
> 
> Jiayue

But no window opens for tcltk::tktoplevel()?  Sounds like R isn't seeing 
your DISPLAY variable.  Does Sys.getenv("DISPLAY") show the same thing 
in R as you see when printing that environment variable (using e.g. 
`echo $DISPLAY`) in the terminal?

Duncan Murdoch

> 
> 在 5/5/23 16:45, Duncan Murdoch 写道:
>> On 05/05/2023 2:24 a.m., Jiayue Wang wrote:
>>> Hi
>>>
>>> I can't get rgl working. I installed rgl, loaded it, but it seems all
>>> plot3d codes have failed:
>>>
>>> remotes::install_github("dmurdoch/rgl")
>>> library(rgl)
>>> open3d()
>>> x <- sort(rnorm(1000))
>>> y <- rnorm(1000)
>>> z <- rnorm(1000) + atan2(x, y)
>>> plot3d(x, y, z, col = rainbow(1000))
>>>
>>> I see no plotting at all. Am I missing some important system library or
>>> whatever? I'm using Linux Mint 23. Thanks!
>>>
>>
>> If you install the version from CRAN, do you get the same results?
>>
>> rgl needs X11 on your system.  Do other programs using it work, e.g. try
>> running "glxgears" at the terminal, and try running
>> "tcltk::tktoplevel()" in R.
>>
>> BTW, this list isn't for contributed package support, so if it turns out
>> that only rgl is failing, it may be best to move the discussion to
>> https://github.com/dmurdoch/rgl/issues .
>>
>> Duncan Murdoch