[simpits-tech] Fed up with MS etc... Maybe New Sim

Tue Jan 25 00:44:29 PST 2005

I think you got it.....
Should I put you in our team?
Cris

At 04:22 PM 1/24/2005, you wrote:
>Well, this is now a good idea, only one problem for me (well its not
>really a problem) I have already done this and created my own toolset!
>
>For the past couple of years we have been developing just such a system.
>Its what I call a "systems emulator".
>We have built three versions over that time, starting with VB, then
>Delphi but the last iteraton was written in C# (C Sharp).
>We call it the "Opifex Simulation toolset" or "Opifex" for short,  and
>while it not completely finished it certainly works well for what we
>designed it for (aicraft systems emulation)
>
>One of the fundamental design strategies was to be hardware and software
>independent so that Opifex doesn't care what simulation package or
>interfacing hardware you want to talk to. Currently we have it talking
>to MSFS and are working on an interface module for Xplane now. Basically
>all messaging to and from h/w and s/w is encaputalted and produces an
>interface to the internal engine, this way the system doesn't know (or
>care) what it is plugged into or what simulation its talking to, it just
>get messages from various interfaces that are destined to be processed
>in some way and then handed on to other interfaces.
>
>Over the course of development it became quite obvious to us that what
>we had created could be used to build and emulate system for practically
>anything device or system we wanted. For example we could configure and
>make an emulator for a microwave oven!, better yet plug in some off the
>shelf hardware for switches, knobs, displays etc, and once running it
>would emulate what the oven does. It's a simple principle and it works
>well.
>Obviously still some things to work on but in all we are pleased with
>progress to date.
>
>Cheers
>Chris.
>
>
>-----Original Message-----
>From: simpits-tech-bounces at simpits.org
>[mailto:simpits-tech-bounces at simpits.org] On Behalf Of Manuel Bessler
>Sent: Tuesday, January 25, 2005 10:50 AM
>To: Simulator Cockpit tech list
>Subject: Re: [simpits-tech] Fed up with MS etc... Maybe New Sim
>
>
>On Mon, 24 Jan 2005 11:41:01 -0600
>Phoenix2000 at phoenixcomm.net wrote:
> > >The point "can't talk to it" is definately not valid for FlightGear.
> > >There are a bunch of methods to get data in and out of the simulator.
> > >
> > >While flightgear is "monolythic" in the sense that everything is
> > >compiled into the main binary, it can be used sort of "modular".
> >
> > Not Not Realy
>
>
> > >the individual modules. This additional layer of communications would
>
> > >slow the whole thing down.
>
>OK, maybe I understood you wrong... I thought you meant the whole
>simulator as individual modules. What you write below sounds more like
>you meant to modularize the "systems simulation only".
>
>On that I totally agree. I was planning on writing some code for an
>external system simulation (for homecockpit sim use).
>... when I'm "done" with my hardware and interface software.
>
>For the purposes of simulating aircraft systems (electrical, pneumatic,
>hydraulic, and the whole logics behind them) it'd be great to run this
>outside the actual flight simulator engine.
>
>The simulator would fill in the part of "the real world" and its forces
>and stuff, like 3D inside/outside views, winds, and forces/physics of
>the environment acting upon the aircraft.
>
>
> > 1. No Not At all when I worked on the X-29, cockpit integration, we
> > were doing 50/60hz frame rates, and that my friend was along time ago.
>
> > 2. Jets have been fly around by fly by wire for more than a few years,
>
> > and have been using mil-1553 which runs at 1mb. or AIRINC-429. etc 3.
> > The bus structure for the 777 etc. is AFDX Switched Ethernet. You just
>
> > send / listen for UDP messages. not a problem for 10baseT (thats 10x
> > over 1553/429), you want faster 100baseT, or Fiber.
> > 4. and the advantage that you did not see is that you dont like a
> > module? Take it out, replace it with software, or hardware.
>
>OK, so if I'm right, all you want could be written to use flighgear as
>the 3D view and physics simulation, while all systems can be written as
>external modules. There are alot of interfaces into flightgear, and
>another one can be written easily.
>
>Of course if things are kept somewhat indepentent, the systems
>simulation software modules could be plugged in to another simulator.
>
>
> > >Writing a new sim from scratch, even with lots of stuff already
> > >adaptable (fgfs scenery, simgear library, a few fdms) is still a huge
>
> > >task and will most likely involve years of work.
> >
> > maybe but most likely I'll have the first cut, up in a few months. (we
> >
> > write a lot of code in C/C++/FORTRAN/Perl/and a little Java), and it
> > would just be the core modules, Pilot, FD, INS, NAV. we are working on
>
> > the message format right now, and message viewer..
>
>What platform are you doing this on ?
>Unix/Linux ?
>
>Will it be free software/open source ?
>
>
>Regards,
>Manuel
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