On 01/11/2016 10:55 AM, Wittner, Ben, Ph.D. wrote: > Dear R-SIG-Fedora, > > I'm finding that on CentOS 7, rgl.snapshot (a function in the R package rgl, > which provides an R interface to the OpenGL 3-d graphics library) only > captures a small portion what's visible in the RGL device window. This does > not happen with the same R and rgl versions on CentOS 5.3 (see details below). > > The maintainer of rgl, Duncan Murdoch, responded (see below) that the rgl > code has not changed in a long time, so it's likely, although not certain, > that the problem lies with CentOS 7. > > I know very little about graphics, but it seems to me from looking at the rgl > source code that the fundamental work of rgl.snapshot is done by calls to > glReadBuffer, glPixelStorei, and glReadPixels, which seem to be functions in > the OpenGL library. > > Can anyone take a look at this or advise me on how to proceed?
Are you using the EPEL R 3.2.3 builds? What version of Centos 7? 7.2? Is the NVIDIA driver in play? What version of the NVIDIA driver are you using? ~tom == Red Hat _______________________________________________ R-SIG-Fedora mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-fedora
