Re: system call

["philippe.torgue@free.fr" <philippe.torgue@free.fr>]

Adam Beneschan wrote:

> On Aug 13, 11:43�am, "philippe.tor...@free.fr"
> <philippe.tor...@free.fr> wrote:
>> Hello,
>>
>> I have a program, the time of his execution, constructed images, in fact
>> files in PPM (P3, plain text mode)
>> In short, the program does not deal with the viewing of these images
>> (failing to find a library to do ...)
>>
>> So I want to entrust this task to an external application (imview,
>> xview, qiv ... etc):
>>
>> res = system ("imview out.ppm");
>>
>> But each time this code is a new process
>> image viewer (here imview) that arises.
>>
>> My application is waiting while I close imview to move to
>> the next iteration.
>>
>> Well, now you have guessed the question for each passage on the line above,
>> I would like the external program (imview, qiv, xview ... whatever), load a new image
>>
>> Regards!
>
> I'm not real clear on what you're trying to do.  But it sounds like
> you want to run imview or some other program once, and have your
> program tell that program to display a new image whenever it wants to
> display something new.


 
> In order for that to work, the image displayer
> has to be set up to accept that kind of communication.
>
> However, if by "imview" you mean the program documented at
> http://hugues.zahlt.info/software_imview.html, that program appears to
> have a server mode.  So you'll need to run it in server mode and then
> communicate with it via a TCP/IP socket.  The documentation should
> explain how to do this, but I haven't looked over it carefully.
>
> I hope this is helpful.  I don't really know anything about this
> program and just did a quick Google search to see if I could come up
> with something helpful.  But it might be just what you're looking
> for.  If it's not helpful at all, sorry.
>
>                                       -- Adam


This is exactly the statement of my problem.


Meanwhile, as I had not found a solution that relieves me of the display,
I found an interesting library (opengl binding ada) 

http://www.niestu.com/software/lumen/

However, the opportunity to play a role imview server is a trail to follow!

Best regards.