On Nov 15, 2007 2:41 PM, Michael Lawrence <[EMAIL PROTECTED]> wrote: > This is possible using the cairoDevice package and RGtk2. > > Turning an R graphic into a raw vector of bytes: > > library(cairoDevice) > library(RGtk2) > > # create a pixmap and tell cairoDevice to draw to it > > pixmap <- gdkPixmapNew(w=500, h=500, depth=24) > asCairoDevice(pixmap) > > # make a dummy plot > > plot(1:10) > > # convert the pixmap to a pixbuf > > plot_pixbuf <- gdkPixbufGetFromDrawable > (NULL, pixmap, pixmap$getColormap(), 0, 0, 0, 0, 500, 500) > > # save the pixbuf to a raw vector > > buffer <- gdkPixbufSaveToBufferv(plot_pixbuf, "jpeg", character(0), > character(0))$buffer > > ### > > Then you can send buffer to your database, or whatever. Replacing "jpeg" > with "png" will probably produce png output. > > Michael >
Many thanks to all respondents. I'll play with these. -Josh ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
