Re: [Rd] "Too many raster images" in devPS.c

From: Wolfgang Huber <>
Date: Thu, 28 Jan 2010 21:25:15 +0100

ink1">ink1">Hi Paul

from a user perspective, this sounds reasonable.

         Thank you very much, 

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
> a macro is defined: #define MAX_RASTERS 64, and consequently, I get
> Error in"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?


> [1]
> [2]
> Thank you and best wishes,
> Wolfgang
> --
> Wolfgang Huber
> ______________________________________________
> mailing list

Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
New Zealand
64 9 3737599 x85392

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