Not really, but it is a good way to get major and minor tick marks 
(thanks it might be useful later in my project). What I to modify is the 
width of the segments which correspond to the marks?
I know that I can do that with a "lwd" command in axis()... but there 
might be an option to set directly in the plot commands without having 
to recreate the axis.

jim holtman a écrit :
> does this do what you want?
>  
>
> plot(0, xlim=c(0,10), xaxt='n')
> axis(1, at=c(0,5,10))
> axis(1,at=0:10,tcl=-.2, labels=FALSE)
>
>  
>
>
>
>  
> On 6/14/07, *Sébastien* <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:
>
>     Hello,
>
>     Is there a way to define the width of the axis tick marks on
>     traditionnal plots? I did not find anything specific on this topic in
>     the help and par(lwd=...) does not affect the tick marks. I guess that
>     using axes=FALSE and recreating the axis with the axis() command could
>     do the trick but I wonder if there is no easier way.
>
>     Thanks in advance
>
>     Sebastien
>
>     ______________________________________________
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>
>
>
> -- 
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
>
> What is the problem you are trying to solve? 

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