[Rd] arrows()/log scale/clipping (?) (PR#1039)

[Peter Dalgaard BSA]

bolker@zoo.ufl.edu writes:

>    arrows() seems to hang when either x or y scale of the plot
> is logarithmic and the arrows requested go beyond the plot
> (by more than a certain amount).  I didn't go into C code to
> find it, but here's a function that exercises the bug a bit ...
> 
> arrow.bug2 <- function(y0=1,y1=10,log="y") {
>   plot(c(0.1,1),c(1,10),log=log)
>   arrows(x0=0.5,
>          y0=y0,
>          x1=0.5,
>          y1=y1,
>          length=0.05,angle=90)
> }
> 
> arrow.bug2() ## OK
> arrow.bug2(log="x") ## OK
> arrow.bug2(y0=0.01)  ##hangs
> arrow.bug2(y1=11)  ## OK
> arrow.bug2(y1=20)  ## hangs
> arrow.bug2(log="x",y1=20) ## hangs

This is gone in the development version. Didn't we have a very similar
report quite recently??

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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