Saul Luizaga <sau### [at] netscapenet> wrote:

> > Trivial interprocess communication in most OSes handle that just well:  no need
> > for DLLs, APIs etc.
>
> Are you a developer? do you know this from experience?

yes, I develop software for a living.

> Are you part of
> the POV-Team or TAG-Team?

no, but it is trivial to call an external application as a subprocess.  In this
case specifically, it's even easier because all you got to do is call povray
with the right command-line switches to render a file.  And if the user press
the Cancel button or something, signals that subprocess a halt.  There's no
complicated communication between the callee program and the caller other than
the caller asking the subprocess of the callee to do some specific task.  It's
all up to the renderer from there on.

> Any developer can correct me but I think the more tightly embedded a
> application is into another the better.

no, the worse:  it creates huge monolithic applications which as very hard to
debug and maintain.  Besides, for this specific task -- asking povray to render
or stop -- what advantage you'd get from it?

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