Re: Can't save a plot

[Ben Abbott]

On Nov 11, 2012, at 10:39 AM, Jorgen Sandberg wrote:
> 
> -----Original Message----- From: Ben Abbott
> Sent: Sunday, November 11, 2012 3:59 PM
> To: Jorgen Sandberg
> Cc: address@hidden
> Subject: Re: Can't save a plot
> 
>> 
>> On Nov 11, 2012, at 9:51 AM, Jorgen Sandberg wrote:
>> 
>>> -----Original Message----- From: Ben Abbott
>>> Sent: Saturday, November 10, 2012 4:14 PM
>>> To: Jorgen Sandberg
>>> Cc: address@hidden
>>> Subject: Re: Can't save a plot
>>> 
>>>> 
>>>> On Nov 10, 2012, at 4:23 AM, Jorgen Sandberg wrote:
>>>> 
>>>>> -----Original Message----- From: Ben Abbott
>>>>> Sent: Friday, November 09, 2012 9:35 PM
>>>>> To: Jorgen Sandberg
>>>>> Cc: address@hidden
>>>>> Subject: Re: Can't save a plot
>>>>> 
>>>>> 
>>>>> On Nov 9, 2012, at 3:01 PM, Jorgen Sandberg wrote:
>>>>> 
>>>>>> 
>>>>>> -----Original Message----- From: Ben Abbott
>>>>>> Sent: Thursday, November 08, 2012 11:37 PM
>>>>>> To: Jorgen Sandberg
>>>>>> Cc: address@hidden
>>>>>> Subject: Re: Can't save a plot
>>>>>> 
>>>>>> On Nov 8, 2012, at 1:43 PM, Jorgen Sandberg wrote:
>>>>>> 
>>>>>>> Dear Sirs,
>>>>>>> 
>>>>>>> I have installed OCTAVE 3.6.2 VS2010 on a Windows 7 machine. When i 
>>>>>>> will save a plot using the print or saveas command, I get an error 
>>>>>>> message saying that ghostscript is missing.
>>>>>> 
>>>>>> Instructions for installing ghostscript at on the wiki at the link below.
>>>>>> 
>>>>>> http://wiki.octave.org/Octave_for_Windows#Printing_.28installing_Ghostscript.29
>>>>>> 
>>>>>>> In addition the package symbolic does not install.
>>>>>> 
>>>>>> How did you try to install the symbolic package?
>>>>>> 
>>>>>> Have you looked at using maxima for symbolic calculations?
>>>>>> 
>>>>>> http://maxima.sourceforge.net
>>>>>> 
>>>>>> Ben
>>>>>> 
>>>>>> Dear Ben Abbott,
>>>>>> 
>>>>>> Thanks a lot for your help. Unfortunately, I still have the problem.
>>>>>> 
>>>>>> I have downloaded Ghostscript 9.05 and installed it. I have added the 
>>>>>> path in the /.octaverc file as per the instruction for Octave with 
>>>>>> Visual studio, but OCTAVE still can't find ghostscript. I have looked 
>>>>>> into the ghostscript installation and in the bin file is gswin32.exe. 
>>>>>> Thus I guess Octave should be looking for gswin32.exe. Is that so?
>>>>> 
>>>>> I have Ghostscript 8.15 installed. Its binary is gswin32c.exe.
>>>>> 
>>>>> Assuming you have the gs_path environment variable set and have set the 
>>>>> path in the Control Panel, you can tell the print command use use 
>>>>> gswin32.exe instead by ...
>>>>> 
>>>>> print -dpdf test.pdf -Ggswin32.exe
>>>>> 
>>>>> If that fixes the problem for you, I can patch the sources to include 
>>>>> "gswin32.exe" when Octave searches for Ghostscript.
>>>>> 
>>>>>> I have also found a Ghostscript version 9.02 that is a tar.gz file like 
>>>>>> the other packages for Octave on Sourceforge. Should I download this and 
>>>>>> install it as a package in OCTAVE? Will that do the trick?
>>>>>> 
>>>>>> I am sorry to pass you these stupid problems. I am aware that OCTAVE is 
>>>>>> free so I should not complain. However, please understand that I want to 
>>>>>> spend my effort on using it in place of struggling with the 
>>>>>> installation. My wish is that you prepare a complete installation 
>>>>>> package for stupid users as I such that there is no need to install any 
>>>>>> other packages. Please....
>>>>>> 
>>>>>> On the symbolic package. I downloaded the package from the 
>>>>>> sourgeforge.net site for windows. The name of the package is 
>>>>>> octave-3.6.2-symbolic-1.1.0-vs2010-setup.exe. After having installed 
>>>>>> OCTAVE 3.6.2 I clicked on the package to activate its installation like 
>>>>>> I had done it for the other packages available on the same site. But the 
>>>>>> symbolic package came with the error message, while all the other 
>>>>>> packages installed without any error message.
>>>>> 
>>>>> I can't help with this.  Hopefully someone familiar with the symbolic 
>>>>> package on windows with help.
>>>>> 
>>>>> Ben
>>>>> 
>>>> 
>>>>> Dear Ben Abbott,
>>>>> 
>>>>> Sorry, but it does not work.
>>>>> 
>>>>> I have attached a screen snap and a copy of the octaverc file, where I 
>>>>> have added the path information. It seems to me that OCTAVE is still 
>>>>> looking for a file named ghostscript.
>>>>> 
>>>>> I would highly appreciate that you integrate ghostscript in the 
>>>>> installation package for Windows 7, 64 bit. In that way it would work.
>>>>> 
>>>>> Regards,
>>>>> 
>>>>> Jorgen Sandberg
>>>>> <Install Ghostscript.docx>
>>>> 
>>>> When you installed Ghostscript, what was the "Destination directory"?
>>>> 
>>>> DId you set "gs_path" to the "Destination directory" in ~\.octaverc?
>>>> 
>>>> Using the default destination directory for 32 bit Win7 the adds to 
>>>> include in ~/.octaverc are ...
>>>> 
>>>>  cmd_path = getenv ("path");
>>>>  gs_path = 'C:\Program Files (x86)\gs\gs9.05';
>>>>  if (isempty (strfind (cmd_path, gs_path)))
>>>>    setenv ('path', strcat (cmd_path, pathsep (), gs_path));
>>>>  endi
>>>> 
>>>> Ben
>>> 
>>> Dear Ben Abbott,
>>> 
>>> Maybe this info can help clarifying the problem.
>>> 
>>> I have added to the octaverc file an fprintf of the path before and after 
>>> the addition of the path to the gswin64. The print shows that the correct 
>>> folder is added to the path.
>>> 
>>> To verify the path is indeed there I have entered at the command prompt of 
>>> OCTAVE   system("gswin64.exe") and ghostscript starts up. Thus it is in the 
>>> path.
>>> 
>>> Why does it not start when I enter  print -dpdf -Ggswin64.exe test.pdf
>>> 
>>> Regards,
>>> Jorgen Sandberg
>> 
>> You can see the ghostscript command used by Octave by adding -debug to your 
>> print stattement
>> 
>> print -debug -dpdf -Ggswin64.exe test.pdf
>> 
>> Please copy the result into your reply.  Is the correct command being used?
>> 
>> Ben 
> 
> Dear Ben,
> 
> No, I do not see the correct command. I have attached a screendump. I have 
> also include the system command calling the gswin64.exe and as you can see it 
> works, thus the path to the gswin64.exe is there.

Ok. The gswin64.exe is a GUI program.  You'll need to tell print() to use the 
command line version (see section 4.2 at the link below).

        http://ghostscript.com/doc/current/Install.htm#Install_Windows

Does the command below work for you (added the "c") ?

        print -Ggswin64c.exe test.pdf

Ben