Adding

par.settings = list(grid.pars = list(lwd = 3)) 

to my code which uses simpleKey gives exactly what I want.

However, if I use auto.key, I lose all the formatting and get
default colors and symbols. 

I am indebted to Deepayan for once again providing the key 
(pun intended) to a solution.

My figure is a superposed dotplot similar to the barley example.
I like to vary the symbols even if I use color as an aid to those
with color vision deficiencies and choose my colors with color
vision deficiency in mind.

Naomi


Deepayan Sarkar wrote:
> On Mon, Apr 13, 2009 at 9:37 AM, Naomi B. Robbins
> <nbrgraphs@optonline.net> wrote:
>   
>> Now that I have the markers the weight I want using lex, I'm having trouble
>> making the key
>> match the markers. Any suggestions? BTW, I'm using R2.8.1 with Windows
>> Vista.
>>     
>
> There's no real solution, but for some reason, the following seems to work:
>
> xyplot(1:10 ~ 1:10, groups = gl(3, 1), auto.key = TRUE, lex = 3,
> par.settings = list(grid.pars = list(lwd = 3)))
>
> -Deepayan
>
>
>   

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