Hi Paul from a user perspective, this sounds reasonable.
Thank you very much, Wolfgang Il giorno Jan 28, 2010, alle ore 2:44 AM, Paul Murrell ha scritto: Wolfgang Huber wrote: > Hi, > I am finding the recently added [1] functionality of embedding raster images > into plots on R devices very useful! Thanks to Paul Murrell and others for > providing that. I noted that in > https://svn.r-project.org/R/trunk/src/library/grDevices/src/devPS.c > a macro is defined: #define MAX_RASTERS 64, and consequently, I get > Error in grid.Call.graphics("L_raster", x$raster, x$x, x$y, x$width, > x$height, : > Too many raster images > even for relatively innocent graphics, such as extensions of [2] (which I > made with Bioconductor's "splots" package). Besides that, I imagine that > raster images could be useful as 'glyphs' in various types of plots. > Besides the not so helpful option of patching that macro in my private copy > of R, is there an intention to extend this functionality to accommodate for > larger plots more generally? A simple solution (given the current implementation) would be to allow the user to specify the max number of raster images when starting a PDF file, e.g., ... pdf("plotwithlotsofimages.pdf", maxRaster=1024) Would that suffice? Paul > [1] http://developer.r-project.org/Raster/raster-RFC.html > [2] http://www.ebi.ac.uk/~huber/pub/Druggable_ratio_1_before.pdf > Thank you and best wishes, > Wolfgang > -- > Wolfgang Huber > EMBL > http://www.embl.de/research/units/genome_biology/huber/contact > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel -- Dr Paul Murrell Department of Statistics The University of Auckland Private Bag 92019 Auckland New Zealand 64 9 3737599 x85392 p...@stat.auckland.ac.nz http://www.stat.auckland.ac.nz/~paul/ ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel