On 18/09/2008 12:08 AM, Yihui Xie wrote:
Thanks Duncan, I have also been wondering about this problem for a long time.
This is fixed now on R-forge; eventually it will make it into the next
rgl release on CRAN. You should be able to download a binary of the
development version from R-forge sooner. Make sure you get version
0.81.706 or newer.
Duncan Murdoch
Regards,
Yihui
--
Yihui Xie <[EMAIL PROTECTED]>
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On Thu, Sep 18, 2008 at 1:49 AM, Duncan Murdoch <[EMAIL PROTECTED]> wrote:
On 9/17/2008 1:13 PM, Koen Stegen wrote:
Dear all,
The documentation on the function open3d in the rgl package, reads:
open3d opens a new rgl device, and sets the parameters as requested.
I want the new rgl device (window) to be sized and positioned in a
specific
place on my screen. So, I try to set the "windowRect" parameter as
follows:
> library("rgl")
> open3d(windowRect=c(100,100,500,500))
[1] 1
Obviously you can't see where the window appears, so I'll ask for the
"windowRect" parameter:
> par3d()["windowRect"]
$windowRect
[1] 2300 764 2556 1020
As you can see, the window is not positioned at (100,100) nor is the size
400x400. The size is the default 256x256 and the position is where the
window
manager would put a new window if its position is unspecified.
[note: I have a dual screen setup so the coordinates are not bogus]
If, however, I use par3d to set the "windowRect", the window goes where it
is
supposed to go:
> par3d(windowRect=c(100,100,500,500))
> par3d()["windowRect"]
$windowRect
[1] 104 125 504 525
The (4,25) pixels offset are the border and title bar of the window.
For completeness sake:
This behavior occurs on both Windows+ATI, Linux+ATI, Linux+NVidia.
On Windows is R version 2.7.2, and rgl version 0.81 (installed today).
Does anyone know how to set the windowRect parameter during an open3d
call?
Looks like a bug. The open3d function is defined as
open3d
function (..., params = get("r3dDefaults", envir = .GlobalEnv))
{
rgl.open()
clear3d("material", defaults = params)
params$material <- NULL
if (!is.null(params$bg)) {
do.call("bg3d", params$bg)
params$bg <- NULL
}
do.call("par3d", params)
return(rgl.cur())
}
<environment: namespace:rgl>
and you'll notice that the ... parameters are never used. Not sure when
this error crept in...
The workaround is simply to use par3d() after open3d().
Duncan Murdoch
Thanks in advance,
Koen Stegen
Royal Meteorological Institute of Belgium
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