[R] thickness of tick marks

Prof Brian Ripley ripley at stats.ox.ac.uk
Fri Sep 17 07:07:53 CEST 2004

It is par(lwd)
The device's current setting of par(lwd) does not affect that used by 
axis() (as called by some plot methods).  So you have to call axis() 
yourself.  ?axis would have told you the default was 1.

There was a wishlist item on R-bugs (PR#7223) to change this recently, and 
some counter-arguments -- search on the R-devel list archives for more 

On Fri, 17 Sep 2004, David J. Netherway wrote:

> I am unable to get the tick marks to appear thicker in plot. I have 
> tried things like
> par(lw=2) but this only seems to affect other line thicknesses.
> The use of axes directly fixes the problem because lw = 2 applies to 
> both the axis and the ticks.
> Is there is  way of feeding a single parameter to plot or setting a par 
> parameter to do this?
> I am using R 1.9.0 on a windows 2000 platform.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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