[Pkg-octave-devel] Bug#472069: octave3.0: plotyy leaves remains on future graphs

[Tom Wright]

Package: octave3.0
Version: 1:3.0.0-9
Severity: normal

*** Please type your report below this line ***
I've recently found the plotyy function in Octave 3.0.0 and it appears to
have some strange behaviour: once I've created one plot with plotyy, that
second data series and y-axis appears on all subsequent plots:

> x=[1:10];
> y=rand(size(x));
> z=rand(size(x))*10;
> plotyy(x,y,x,z);
# Works as expected

> q=rand(size(x))*100;
> plotyy(x,y,x,q);
# Has both the z and the q values and axes on the graph

> plot(x,y)
# Has an inner set of axes, with z and q values on it.

Thought I might be using it wrongly, but was told on comp.soft-sys.octave that 
this is a real bug, so here's the bug report!


-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.24.080207.1 (PREEMPT)
Locale: LANG=en_GB, LC_CTYPE=en_GB (charmap=ISO-8859-1)
Shell: /bin/sh linked to /bin/bash

Versions of packages octave3.0 depends on:
ii  libatlas3gf-base [libl 3.6.0-21.3        Automatically Tuned Linear 
Algebra
ii  libblas3gf [libblas.so 1.2-1.5           Basic Linear Algebra Subroutines 
3
ii  libc6                  2.7-9             GNU C Library: Shared libraries
ii  libcurl3-gnutls        7.18.0-1          Multi-protocol file transfer 
libra
ii  libfftw3-3             3.1.2-3           library for computing Fast 
Fourier
ii  libgcc1                1:4.3.0~rc2-1     GCC support library
ii  libgfortran3           4.3.0~rc2-1       Runtime library for GNU Fortran 
ap
ii  libglpk0               4.25-1            linear programming kit with 
intege
ii  libhdf5-serial-1.6.5-0 1.6.5-5.2         Hierarchical Data Format 5 (HDF5) 
ii  liblapack3gf [liblapac 3.1.1-0.4         library of linear algebra 
routines
ii  libncurses5            5.6+20080203-1    Shared libraries for terminal 
hand
ii  libpcre3               7.6-2             Perl 5 Compatible Regular 
Expressi
ii  libqhull5              2003.1-8          calculate convex hulls and 
related
ii  libreadline5           5.2-3             GNU readline and history 
libraries
ii  libstdc++6             4.3.0~rc2-1       The GNU Standard C++ Library v3
ii  libsuitesparse-3.1.0   3.1.0-3           collection of libraries for 
comput
ii  texinfo                4.11.dfsg.1-4     Documentation system for on-line 
i
ii  zlib1g                 1:1.2.3.3.dfsg-11 compression library - runtime

Versions of packages octave3.0 recommends:
ii  gnuplot                       4.2.2-1    A command-line driven interactive 
ii  libatlas3gf-base              3.6.0-21.3 Automatically Tuned Linear 
Algebra

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