From bolker@zoo.ufl.edu  Fri Jun  9 21:26:10 2000
From: bolker@zoo.ufl.edu (Ben Bolker)
Date: Fri, 9 Jun 2000 16:26:10 -0400 (EDT)
Subject: [Rd] w0 in legend
In-Reply-To: <x2pupqr7u0.fsf@blueberry.kubism.ku.dk>
Message-ID: <Pine.LNX.4.10.10006091624400.27056-100000@bolker.zoo.ufl.edu>

On 9 Jun 2000, Peter Dalgaard BSA wrote:

> Paul Gilbert <pgilbert@bank-banque-canada.ca> writes:
> 
> > In Version 1.1.0 Under development (unstable) (June 8, 2000)
> > there seems to be a problem with an internal variable w0 in legend that
> > generates the following new error:
> > 
> > Error in legend((par()$usr)[1:2], (par()$usr)[3:4], Legend, lty = lty,  :
> >  Object "w0" not found
> > >
> 
> Looks like it isn't getting set in the nx==2 case. But what is the
> correct value here, 0?

  No, w/ncol; w0 is the width of a single column within the legend.  If
n==1 it reduces to w.
  Again, sorry about the bug.

> 
>     if (nx == 2) {
>         x <- sort(x)
>         y <- sort(y)
>         left <- x[1]
>         top <- y[2]
>         w <- diff(x)

          w0 <- w/ncol

>         h <- diff(y)
>         x <- mean(x)
 [snip]

--
Ben Bolker                                  bolker@zoo.ufl.edu
Zoology Department, University of Florida   http://www.zoo.ufl.edu/bolker
318 Carr Hall/Box 118525                    tel: (352) 392-5697
Gainesville, FL 32611-8525                  fax: (352) 392-3704

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[Rd] w0 in legend
Ben Bolker