R-alpha: Re: lwd, cex and par(.) issues [was "... windows quirks .."]

Peter Dalgaard BSA p.dalgaard@kubism.ku.dk
08 Sep 1997 17:37:20 +0200

Ben Bolker <ben@eno.Princeton.EDU> writes:

>   I agree with the gist of the discussion here ("par(lwd)" to change lwd
> globally, otherwise it just affects lines).  One detail worth thinking
> about is that a global linewidth change in PostScript (setlinewidth) will
> also affect the linewidths used, e.g., in drawing plotting characters
> (which could get very ugly as a result).

Hm. After seeing the W95 plots on a 600dpi laser, I tend to say that
the above *is* the desired behaviour. The default plotting circles
were hardly visible at all. A global lwd setting should set the
natural (i.e. neither fat nor barely visible) line width for a plot. 
Another question is whether one should set a *relative* width unit
(like SAS's 'goptions lfactor=...'), so that all lines are made
fatter - or thinner.

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