xlabel() and text() functions seem not to work.

Juergen juergen.sauermann at t-online.de
Tue Oct 7 08:12:17 CDT 2008


--------
Bug report for Octave 3.0.2 configured for i686-pc-linux-gnu

Description:
-----------

  When calling:

     xlabel("Packets/s");

   octave prints:

      gdImageStringFT: Could not find/open font while printing string 
Packets/s with font Helvetica

   When calling:

     text(10, 10, "1 GBit/s");

   no text is being printed in the plot.

Repeat-By:
---------

  octave plot.octave

   with plot.octave being the following file:

------------------------------------------------------------------------------

max_y = 250000;
packet_bytes = [    100,    210,    400,    800,  1400 ];
packets_1    = [ 230000, 200000, 220000, 110000, 55000 ];

function y = max_p(x, p)
   y =  (p .* 1250000) ./ x;
endfunction;

from_100 = max_p(max_y, 100);
from_80  = max_p(max_y,  80);
from_60  = max_p(max_y,  60);

bytes_100    = [ from_100 : 1500 ];
bytes_80     = [ from_80  : 1500 ];
bytes_60     = [ from_60  : 1500 ];

bw_100 = max_p(bytes_100, 100);
bw_80  = max_p(bytes_80,   80);
bw_60  = max_p(bytes_60,   60);

hold off;

newplot();
box("off");
hold on;
text(10, 10, "1 GBit/s");
xlabel("Packets/s");
plot( bytes_100,    bw_100,  "1;1 GBit/s;");
plot( bytes_80,     bw_80,  "1;;");
plot( bytes_60,     bw_60,  "1;;");
plot( packet_bytes, packets_1,   "2;Packets;");
plot( packet_bytes, packets_1,   "@2o");

hold off;

print("xxx.png", "-dpng");

------------------------------------------------------------------------------

   I also tried octave 3.0.0, same thing.

Fix:
---

Configuration (please do not edit this section):
-----------------------------------------------

uname output:     Linux server64 2.6.25 #2 SMP Sun Jun 22 13:59:34 CEST 
2008 i686 GNU/Linux
configure opts:  
Fortran compiler: g77
FFLAGS:           -O -mieee-fp
F2C:              @F2C@
F2CFLAGS:         @F2CFLAGS@
FLIBS:            -L/usr/lib/gcc/i486-linux-gnu/3.4.6 
-L/usr/lib/gcc/i486-linux-gnu/3.4.6/../../../../lib 
-L/usr/lib/gcc/i486-linux-gnu/3.4.6/../../.. -L/lib/../lib 
-L/usr/lib/../lib -lz -lfrtbegin -lg2c -lm
CPPFLAGS:        
INCFLAGS:         -I. -I. -I./liboctave -I./src -I./libcruft/misc
C compiler:       gcc, version 4.2.3 (Ubuntu 4.2.3-2ubuntu7)
CFLAGS:           -g -O2
CPICFLAG:         -fPIC
C++ compiler:     g++, version 4.2.3
CXXFLAGS:         -g -O2
CXXPICFLAG:       -fPIC
LD_CXX:           g++
LDFLAGS:         
LIBFLAGS:         -L.
RLD_FLAG:         -Wl,-rpath -Wl,/usr/local/lib/octave-3.0.2
BLAS_LIBS:       
FFTW_LIBS:       
LIBS:             -lreadline  -lncurses -ldl -lz -lm
LEXLIB:          
LIBGLOB:         
SED:              /bin/sed
DEFS:

  -DPACKAGE_NAME="" -DPACKAGE_TARNAME="" -DPACKAGE_VERSION=""
  -DPACKAGE_STRING="" -DPACKAGE_BUGREPORT="" -DOCTAVE_SOURCE=1
  -D_GNU_SOURCE=1 -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1
  -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1
  -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DSEPCHAR=':'
  -DSEPCHAR_STR=":" -D__NO_MATH_INLINES=1 -DCXX_NEW_FRIEND_TEMPLATE_DECL=1
  -DCXX_ISO_COMPLIANT_LIBRARY=1 -DCXX_ABI=gnu_v3 -DHAVE_LIBM=1
  -DHAVE_REGEXEC=1 -DHAVE_REGEX=1 -DHAVE_REGEXEC=1 -DHAVE_ZLIB_H=1
  -DHAVE_ZLIB=1 -DHAVE_IEEE754_DATA_FORMAT=1 -DF77_FUNC(name,NAME)=name
  ## _ -DF77_FUNC_(name,NAME)=name ## __ -DHAVE_GETHOSTNAME=1
  -DHAVE_GETPWNAM=1 -DHAVE_DEV_T=1 -DHAVE_INO_T=1 -DHAVE_NLINK_T=1
  -DHAVE_NLINK_T=1 -DHAVE_LONG_LONG_INT=1 -DHAVE_UNSIGNED_LONG_LONG_INT=1
  -DHAVE_SIGSET_T=1 -DHAVE_SIG_ATOMIC_T=1 -DSIZEOF_SHORT=2
  -DSIZEOF_INT=4 -DSIZEOF_LONG=4 -DSIZEOF_LONG_LONG=8 -DHAVE_ALLOCA_H=1
  -DHAVE_ALLOCA=1 -DNPOS=std::string::npos -DHAVE_PLACEMENT_DELETE=1
  -DHAVE_DYNAMIC_AUTO_ARRAYS=1 -DSTDC_HEADERS=1 -DHAVE_DIRENT_H=1
  -DTIME_WITH_SYS_TIME=1 -DHAVE_SYS_WAIT_H=1 -DHAVE_ASSERT_H=1
  -DHAVE_CURSES_H=1 -DHAVE_DLFCN_H=1 -DHAVE_FCNTL_H=1 -DHAVE_FLOAT_H=1
  -DHAVE_GRP_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_LIMITS_H=1 -DHAVE_LOCALE_H=1
  -DHAVE_MEMORY_H=1 -DHAVE_NCURSES_H=1 -DHAVE_POLL_H=1 -DHAVE_PWD_H=1
  -DHAVE_STDINT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_SYS_IOCTL_H=1
  -DHAVE_SYS_PARAM_H=1 -DHAVE_SYS_POLL_H=1 -DHAVE_SYS_RESOURCE_H=1
  -DHAVE_SYS_SELECT_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_SYS_TIME_H=1
  -DHAVE_SYS_TIMES_H=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_UTSNAME_H=1
  -DHAVE_TERMCAP_H=1 -DHAVE_UNISTD_H=1 -DHAVE_UTIME_H=1 -DHAVE_SSTREAM=1
  -DHAVE_TERMIO_H=1 -DHAVE_SGTTY_H=1 -DHAVE_GLOB_H=1 -DHAVE_FNMATCH_H=1
  -DHAVE_FNMATCH=1 -DHAVE_GLOB=1 -DHAVE_ATEXIT=1 -DHAVE_BASENAME=1
  -DHAVE_BCOPY=1 -DHAVE_BZERO=1 -DHAVE_CANONICALIZE_FILE_NAME=1
  -DHAVE_CHMOD=1 -DHAVE_DUP2=1 -DHAVE_ENDGRENT=1 -DHAVE_ENDPWENT=1
  -DHAVE_EXECVP=1 -DHAVE_FCNTL=1 -DHAVE_FORK=1 -DHAVE_GETCWD=1
  -DHAVE_GETEGID=1 -DHAVE_GETEUID=1 -DHAVE_GETGID=1 -DHAVE_GETGRENT=1
  -DHAVE_GETGRGID=1 -DHAVE_GETGRNAM=1 -DHAVE_GETPGRP=1 -DHAVE_GETPID=1
  -DHAVE_GETPPID=1 -DHAVE_GETPWENT=1 -DHAVE_GETPWUID=1 -DHAVE_GETTIMEOFDAY=1
  -DHAVE_GETUID=1 -DHAVE_GETWD=1 -DHAVE_KILL=1 -DHAVE_LGAMMA=1
  -DHAVE_LINK=1 -DHAVE_LOCALTIME_R=1 -DHAVE_LSTAT=1 -DHAVE_MEMMOVE=1
  -DHAVE_MKDIR=1 -DHAVE_MKFIFO=1 -DHAVE_MKSTEMP=1 -DHAVE_ON_EXIT=1
  -DHAVE_PIPE=1 -DHAVE_POLL=1 -DHAVE_PUTENV=1 -DHAVE_RAISE=1
  -DHAVE_READLINK=1 -DHAVE_REALPATH=1 -DHAVE_RENAME=1 -DHAVE_RINDEX=1
  -DHAVE_RMDIR=1 -DHAVE_ROUND=1 -DHAVE_SELECT=1 -DHAVE_SETGRENT=1
  -DHAVE_SETLOCALE=1 -DHAVE_SETPWENT=1 -DHAVE_SETVBUF=1 -DHAVE_SIGACTION=1
  -DHAVE_SIGLONGJMP=1 -DHAVE_SIGPENDING=1 -DHAVE_SIGPROCMASK=1
  -DHAVE_SIGSUSPEND=1 -DHAVE_SNPRINTF=1 -DHAVE_STAT=1 -DHAVE_STRCASECMP=1
  -DHAVE_STRDUP=1 -DHAVE_STRERROR=1 -DHAVE_STRNCASECMP=1 -DHAVE_STRPTIME=1
  -DHAVE_STRSIGNAL=1 -DHAVE_SYMLINK=1 -DHAVE_TEMPNAM=1 -DHAVE_TGAMMA=1
  -DHAVE_UMASK=1 -DHAVE_UNAME=1 -DHAVE_UNLINK=1 -DHAVE_USLEEP=1
  -DHAVE_UTIME=1 -DHAVE_VFPRINTF=1 -DHAVE_VSPRINTF=1 -DHAVE_VSNPRINTF=1
  -DHAVE_WAITPID=1 -DHAVE_STRFTIME=1 -DHAVE_LIBDL=1 -DHAVE_DLOPEN=1
  -DHAVE_DLSYM=1 -DHAVE_DLERROR=1 -DHAVE_DLCLOSE=1 -DHAVE_DLOPEN_API=1
  -DENABLE_DYNAMIC_LINKING=1 -DHAVE_TIMEVAL=1 -DHAVE_FINITE=1
  -DHAVE_ISNAN=1 -DHAVE_ISINF=1 -DHAVE_COPYSIGN=1 -DHAVE_DECL_SIGNBIT=1
  -DHAVE_ACOSH=1 -DHAVE_ASINH=1 -DHAVE_ATANH=1 -DHAVE_ERF=1 -DHAVE_ERFC=1
  -DHAVE_EXP2=1 -DHAVE_LOG2=1 -DHAVE_STRUCT_STAT_ST_BLKSIZE=1
  -DHAVE_STRUCT_STAT_ST_BLOCKS=1 -DHAVE_STRUCT_STAT_ST_RDEV=1
  -DHAVE_STRUCT_TM_TM_ZONE=1 -DHAVE_TM_ZONE=1 -DUSE_READLINE=1
  -DEXCEPTION_IN_MATH=1 -DRETSIGTYPE=void -DHAVE_DECL_SYS_SIGLIST=1
  -DHAVE_POSIX_SIGNALS=1 -DRETSIGTYPE_IS_VOID=1 -DHAVE_GETRUSAGE=1
  -DHAVE_TIMES=1 -DYYTEXT_POINTER=1 -DGNUPLOT_BINARY="gnuplot"

User-preferences (please do not edit this section):
--------------------------------------------------

  EDITOR = emacs
  EXEC_PATH = 
/usr/local/libexec/octave/3.0.2/site/exec/i686-pc-linux-gnu:/usr/local/libexec/octave/api-v32/site/exec/i686-pc-linux-gnu:/usr/local/libexec/octave/site/exec/i686-pc-linux-gnu:/usr/local/libexec/octave/3.0.2/exec/i686-pc-linux-gnu:/usr/local/bin:/home/eusjsau/oe/stuff/bitbake/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/linkstation/gcc-2.95.3-glibc-2.2.3/powerpc-hdhlan-linux/bin
  IMAGE_PATH = .:/usr/local/share/octave/3.0.2/imagelib
  PAGER = less
  PS1 = \s:\#>
  PS2 = >
  PS4 = +
  beep_on_error = 0
  completion_append_char = 
  crash_dumps_octave_core = 1
  echo_executing_commands = 0
  fixed_point_format = 0
  gnuplot_binary = gnuplot
  gnuplot_command_end =

  gnuplot_command_plot = pl
  gnuplot_command_replot = rep
  gnuplot_command_splot = sp
  gnuplot_command_title = t
  gnuplot_command_using = u
  gnuplot_command_with = w
  history_file = /home/eusjsau/.octave_hist
  history_size = 1024
  ignore_function_time_stamp = system
  info_file = /usr/local/share/info/octave.info
  info_program = info
  makeinfo_program = makeinfo
  max_recursion_depth = 256
  output_max_field_width = 5
  output_precision = 5
  page_output_immediately = 0
  page_screen_output = 1
  print_answer_id_name = 1
  print_empty_dimensions = 1
  save_precision = 16
  saving_history = 1
  sighup_dumps_octave_core = 1
  sigterm_dumps_octave_core = 1
  silent_functions = 0
  split_long_rows = 1
  string_fill_char = 
  struct_levels_to_print = 2
  suppress_verbose_help_message = 0



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