[R] xyplot and lwd

[Daniel Hornung]

On Thursday, September 05, 2013 16:39:14 Bert Gunter wrote:
> Daniel:
> 
> I wondered if that might be what you meant ...
> 
> To amplify a bit on David's response, the answer is that you do **not**
> have separate control over the line width of characters -- lwd controls the
> width of lines in a graph (exactly as it does in base graphics! ), so you
> misunderstood the lwd parameter in the first place. The "cex" parameter
> controls the overall size of plotting characters (and text), so that
> incidentally affects the thickness of lines in character rendering. To get
> different line thicknesses without changing the overall size, you need to
> use different characters, fonts (e.g. bold), or font families, for which
> details can be found on the gpar man page, as David said. Note that some of
> this may also be device and system dependent,

Hello Bert,

I doubt it is this simple: xyplot(rnorm(5) ~ 1:5, pch=4, cex=10) gives huge 
symbols, but their thickness is not affected, most probably because they are 
not implemented as characters.

It is not that important to me personally anymore, I worked around the 
problem.  But still, I would be interested if there is a simple solution.

Cheers,
Daniel

-- 
Max-Planck-Institute for Dynamics and Self-Organization
Laboratory for Fluid Dynamics, Pattern Formation and Biocomplexity
Biomedical Physics Group

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