[Rd] arrows()/log scale/clipping (?) (PR#1039)
bolker@zoo.ufl.edu
bolker@zoo.ufl.edu
Thu, 2 Aug 2001 17:16:16 +0200 (MET DST)
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
--please do not edit the information below--
Version:
platform = i686-pc-linux-gnu
arch = i686
os = linux-gnu
system = i686, linux-gnu
status =
major = 1
minor = 3.0
year = 2001
month = 06
day = 22
language = R
Search Path:
.GlobalEnv, package:ctest, Autoloads, package:base
Permanent address: Zoology Department, University of Florida
bolker@zoo.ufl.edu (352) 392-5697
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