[R] pattern on bars?

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Mon Aug 7 09:26:55 CEST 2000

Peter Baker <peter.baker at tag.csiro.au> writes:

> On Sun, 6 Aug 2000, Michael Camann wrote:
> > Let me second the call for angled lines, hatching, etc in barplot.  I'm
> > preparing numerous figures for publication and will likely have to re-do
> > them because, nice as it is, grey() doesn't produce black and white camera
> > ready figures as required by many journals.
> > 
> > --Mike C.
> Me too! I got away with white, grey and black recently for a
> conference proceeding but it was really pushing it.

Problem #1 in this area is that crosshatching generates some truly
awful optical effects on barplots. I'm a bit out of my waters with
this, but I seem to remember that there's a way of setting the
halftone screen in PostScript so that "grey" comes out as dot patterns
of various densities (which it always does of course, but it should be
possible to set up for bigger dots).

   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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