[R] Borders for rectangles in lattice plot key

[Deepayan Sarkar]

On 12/23/08, Richard.Cotton at hsl.gov.uk <Richard.Cotton at hsl.gov.uk> wrote:
> Hopefully an easy question.  When drawing a rectangles in a lattice plot
>  key, how do you omit the black borders?

They are currently hard-coded. I will add support for a 'border' component.

-Deepayan

>  Here is an example adapted from one on the xyplot help page:
>
>  bar.cols <- c("red", "blue")
>  key.list <- list(
>    space="top",
>    rectangles=list(col=bar.cols),
>    text=list(c("foo", "bar"))
>  )
>
>  barchart(
>    yield ~ variety | site,
>    data = barley,
>    groups = year,
>    layout = c(1,6),
>    ylab = "Barley Yield (bushels/acre)",
>    scales = list(x = list(abbreviate = TRUE, minlength = 5)),
>    col=bar.cols,
>    border="transparent",
>    key=key.list
>  )
>
>  Notice the black borders around the rectangles in the key.
>
>  I checked to see if there was an undocumented border component for the
>  rectangles compoenent of key that I could set to "transparent" or FALSE,
>  but no luck.  I also tried setting lwd=0 on the rectangle component but
>  that didn't change anything either.
>
>  Regards,
>  Richie.
>
>  Mathematical Sciences Unit
>  HSL
>
>
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