Re: Octave-3.3.55 and Octave-3.3.90 on OSX

[Richard Campbell]

On Jan 30, 2011, at 3:11 PM, Ben Abbott wrote:

> On Jan 30, 2011, at 3:01 PM, Richard Campbell wrote:
> 
>> On Jan 30, 2011, at 2:48 PM, Ben Abbott wrote:
>> 
>>> On Jan 30, 2011, at 1:10 PM, Richard Campbell wrote:
>>> 
>>>> On Jan 30, 2011, at 1:04 PM, John W. Eaton wrote:
>>>> 
>>>>> On 30-Jan-2011, Richard Campbell wrote:
>>>>> 
>>>>> | It's just a line plot. I pasted it in an earlier message in this 
>>>>> thread. I get
>>>>> | the same error when trying to print if I had typed surf(peaks) as well. 
>>>>> It
>>>>> | plots fine on the screen, I just can't print it to a file.
>>>>> | 
>>>>> | octave:1> plot(randn(10,1))
>>>>> | octave:2> print('-dpng','test.png')
>>>>> | warning: print.m: fig2dev binary is not available
>>>>> | error: invalid assignment to cs-list outside multiple assignment
>>>>> | error: matrix cannot be indexed with {
>>>>> | error: evaluating argument list element number 3
>>>>> | error: called from:
>>>>> | error:   /Users/campbell/Downloads/octave-3.3.90/scripts/plot/print.m 
>>>>> at line
>>>>> | 390, column 11
>>>>> | octave:2> print('-depsc','test.eps')
>>>>> | error: invalid assignment to cs-list outside multiple assignment
>>>>> | error: matrix cannot be indexed with {
>>>>> | error: evaluating argument list element number 3
>>>>> | error: called from:
>>>>> | error:   /Users/campbell/Downloads/octave-3.3.90/scripts/plot/print.m 
>>>>> at line
>>>>> | 390, column 11
>>>>> | octave:2> print('-dtiff','test.tiff')
>>>>> | error: invalid assignment to cs-list outside multiple assignment
>>>>> | error: matrix cannot be indexed with {
>>>>> | error: evaluating argument list element number 3
>>>>> | error: called from:
>>>>> | error:   /Users/campbell/Downloads/octave-3.3.90/scripts/plot/print.m 
>>>>> at line
>>>>> | 390, column 11
>>>>> | 
>>>>> 
>>>>> In 3.3.90, line 390 of print.m is
>>>>> 
>>>>> ## restore modified properties
>>>>> if (isstruct (props))
>>>>>  for n = 1:numel(props)
>>>>>    if (ishandle (props(n).h))
>>>>>      set (props(n).h, props(n).name, props(n).value{1});  <<< line 390
>>>>>    endif
>>>>>  endfor
>>>>> endif
>>>>> 
>>>>> Try this in Octave:
>>>>> 
>>>>> dbstop print 390
>>>>> peaks
>>>>> print ('-depsc', 'test.eps')
>>>>> 
>>>>> then when you get the "debug>" prompt, try looking at the following
>>>>> items:
>>>>> 
>>>>> numel (props)
>>>>> props
>>>>> props(1)
>>>>> props(2)
>>>>> 
>>>>> Here is what I see:
>>>>> 
>>>>> debug> numel (props)
>>>>> ans =  2
>>>>> debug> props
>>>>> props =
>>>>> 
>>>>> 1x2 struct array containing the fields:
>>>>> 
>>>>>  h
>>>>>  name
>>>>>  value
>>>>> 
>>>>> debug> props(1)
>>>>> ans =
>>>>> 
>>>>> scalar structure containing the fields:
>>>>> 
>>>>>  h =  1
>>>>>  name = position
>>>>>  value = 
>>>>>  {
>>>>>    [1,1] =
>>>>> 
>>>>>       300   200   560   420
>>>>> 
>>>>>  }
>>>>> 
>>>>> debug> props(2)
>>>>> ans =
>>>>> 
>>>>> scalar structure containing the fields:
>>>>> 
>>>>>  h =  1
>>>>>  name = color
>>>>>  value = 
>>>>>  {
>>>>>    [1,1] =
>>>>> 
>>>>>       1   1   1
>>>>> 
>>>>>  }
>>>>> 
>>>>> I guess you don't have the same props(?).value.  If not, then why is
>>>>> it not set correctly?  You can do
>>>>> 
>>>>> dbstop print
>>>>> peaks
>>>>> print ('-depsc', 'test.eps')
>>>>> 
>>>>> and then step through print.m with dbstep to see where  props(?).value
>>>>> is set.  Note that after you type a command at the debug prompt,
>>>>> pressing the Enter by itself will repeat the previous command, so
>>>>> stepping is easy.
>>>>> 
>>>>> jwe
>>>> 
>>>> 
>>>> octave:1> dbstop print 390
>>>> ans =  390
>>>> octave:2> peaks
>>>> octave:3> print('-depsc', 'test.eps');
>>>> warning: print.m: fig2dev binary is not available
>>>> error: invalid assignment to cs-list outside multiple assignment
>>>> stopped in /Users/campbell/Downloads/octave-3.3.90/scripts/plot/print.m at 
>>>> line 390
>>>> 390:           set (props(n).h, props(n).name, props(n).value{1});
>>>> debug> numel(props)
>>>> ans =  2
>>>> debug> props
>>>> props =
>>>> 
>>>> 1x2 struct array containing the fields:
>>>> 
>>>> h
>>>> name
>>>> value
>>>> 
>>>> debug> props(1)
>>>> ans =
>>>> 
>>>> scalar structure containing the fields:
>>>> 
>>>> h =  1
>>>> name = position
>>>> value = 
>>>> {
>>>>   [1,1] =
>>>> 
>>>>      300   200   560   420
>>>> 
>>>> }
>>>> 
>>>> debug> props(2)
>>>> ans =
>>>> 
>>>> scalar structure containing the fields:
>>>> 
>>>> h =  1
>>>> name = [](0x0)
>>>> value = [](0x0)
>>>> 
>>>> 
>>>> and then while dbstepping through print.m:
>>>> 
>>>> debug> dbstep
>>>> stopped in /Users/campbell/Downloads/octave-3.3.90/scripts/plot/print.m at 
>>>> line 297
>>>> 297:     props(2).h = opts.figure;
>>>> debug> dbstep
>>>> stopped in /Users/campbell/Downloads/octave-3.3.90/scripts/plot/print.m at 
>>>> line 298
>>>> 298:     props(2).name = "color";
>>>> debug> dbstep
>>>> error: invalid assignment to cs-list outside multiple assignment
>>>> stopped in /Users/campbell/Downloads/octave-3.3.90/scripts/plot/print.m at 
>>>> line 387
>>>> 387:     if (isstruct (props))
>>> 
>>> props(2) is the problem.  Lines 297-300 set the name and value.
>>> 
>>> 297     props(2).h = opts.figure;
>>> 298     props(2).name = "color";
>>> 299     props(2).value{1} = get (props(2).h, props(2).name);
>>> 300     set (props(2).h, props(2).name, "none");
>>> 
>>> I don't see how these fields end up empty. 
>>> 
>>> Please add another breakpoint at line 300, and check that the fields of 
>>> props(2). Also check the fields of "opt". You can see the result I get 
>>> below.
>>> 
>>> dbstop print 300
>>> ans =  300
>>> peaks
>>> print ('-depsc', 'test.eps');
>>> stopped in /Users/bpabbott/Development/Octave_Toolbox/print/print.m at line 
>>> 300
>>> 300: set (props(2).h, props(2).name, "none"); 
>>> debug> props(2)
>>> ans =
>>> 
>>> scalar structure containing the fields:
>>> 
>>>  h =  1
>>>  name = color
>>>  value = 
>>>  {
>>>    [1,1] =
>>> 
>>>       1   1   1
>>> 
>>>  }
>>> 
>>> debug> opts
>>> opts =
>>> 
>>> scalar structure containing the fields:
>>> 
>>>  append_to_file = 0
>>>  canvas_size =
>>> 
>>>     576   432
>>> 
>>>  debug = 0
>>>  debug_file = octave-print-commands.log
>>>  devopt = epsc
>>>  epstool_binary = /sw/bin/epstool
>>>  figure =  1
>>>  fig2dev_binary = /sw/bin/fig2dev
>>>  fontsize = 
>>>  font = 
>>>  force_solid = 0
>>>  formatted_for_printing = 0
>>>  ghostscript =
>>> 
>>>    scalar structure containing the fields:
>>> 
>>>      binary = /sw/bin/gs
>>>      debug = 0
>>>      device = 
>>>      epscrop =  1
>>>      level = [](0x0)
>>>      output = 
>>>      papersize = 
>>>      pageoffset =
>>> 
>>>         0   0
>>> 
>>>      resolution =  150
>>>      antialiasing = 0
>>> 
>>>  loose = 0
>>>  lpr_binary = /usr/bin/lpr
>>>  name = test.eps
>>>  orientation = portrait
>>>  pstoedit_binary = /sw/bin/pstoedit
>>>  preview = 
>>>  printer = 
>>>  send_to_printer = 0
>>>  special_flag = textnormal
>>>  tight_flag = 0
>>>  use_color =  1
>>>  lpr_options = -l
>>>  unlink = {}(0x0)
>>>  pstoedit_cmd = @pstoedit
>>>  fig2dev_cmd = @fig2dev
>>>  latex_standalone = @latex_standalone
>>>  lpr_cmd = @lpr
>>>  epstool_cmd = @epstool
>>> 
>>> Ben
>> 
>> dbstop print 300 has no effect, which tells me that the line is never being 
>> executed.
>> 
>> dbstop print 297 stops as expected, though. If I step forward from there:
>> 
>> octave:1> peaks
>> octave:2> dbstop print 297
>> ans =  297
>> octave:3> print('-depsc','test.eps')
>> warning: print.m: fig2dev binary is not available
>> stopped in /Users/campbell/Downloads/octave-3.3.90/scripts/plot/print.m at 
>> line 297
>> 297:     props(2).h = opts.figure;
>> debug> dbstep
>> stopped in /Users/campbell/Downloads/octave-3.3.90/scripts/plot/print.m at 
>> line 298
>> 298:     props(2).name = "color";
>> debug> dbstep
>> error: invalid assignment to cs-list outside multiple assignment
>> stopped in /Users/campbell/Downloads/octave-3.3.90/scripts/plot/print.m at 
>> line 387
>> 387:     if (isstruct (props))
> 
> 
> Hopefully, John has some insight here (I don't). It looks to me like lines 
> 298-377 never run, or the debugger is lost.
> 
> Can you confirm that test.eps wasn't created?
> 
> Ben
> 
> 
> 

Correct, it was not created.

Campbell