Re: Can't save a plot

[Ben Abbott]

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