Re: [Flightgear-devel] 350 Mb movie

[Curtis Olson]

On Fri, Feb 29, 2008 at 8:41 PM, Georg Vollnhals <[EMAIL PROTECTED]> wrote:

> Thank you very much for sharing this. It is very impressing. Seems you
> really do not need projection screens if you have this 7 LCD displays
> arrangement. FlightGear combined with the right hardware does a good job.


Every approach to constructing a simulator visual system has tradeoffs.
Using several LCD displays gives you a *very* compact system with extremely
high resolution, and it's pretty cost effective.

Projectors would give you a more natural focal distance and allow you to
move your head around more naturally in the cockpit, but they require a lot
more space and you have issues where the cockpit can shadow the projectors
if you front project or you need even more space if you back project.  Or
you can get clever with mirrors, but then there are many tricky alignment
issues if you want to create a wrap around visual system with several
adjacent displays.  And with projectors you typically aren't going to get
the same level of resolution (pixels per arcsec) as with close up LCD
displays.  Also with projectors you might need a darkened room...  black ==
the shadow on a white screen.

And of course there are much better visual systems available ... curved
screens, blended edges, etc.  But get out your checkbook and start writing
zeros ... :-)

Regards,

Curt.
-- 
Curtis Olson: http://baron.flightgear.org/~curt/
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Re: [Flightgear-devel] 350 Mb movie

[Curtis Olson]

On Fri, Feb 29, 2008 at 10:03 PM, Bill Galbraith <[EMAIL PROTECTED]>
wrote:

>  Schweet. Details?  Are those dedicated instruements, or a FG monitor
> behind a mask?
>

Hi Bill,

The instruments are built using a 2d flightgear panel displayed derived from
real photos of a Seneca panel.  Displayed on an LCD monitor behind an sheet
metal cutout with plastic bezels.  The knobs on the face in front of the LCD
are all functional and correctly placed.  All 7 visual channels are running
the newest OSG version of FlightGear, being driven by the 8th machine that
interfaces to the cockpit hardware and displays the instrument panel.  The
flight dynamics are purchased from a commercial company (running as a
separate application) and have all the documentation and support for
achieving FAA certification.  So the particular simulator in the movie is
not FAA certified, but it is FAA certifiable should the customer ever want
to do that.  They use their facility to train aerial water bombers in all
the communication and group strategy involved with water bombing forest
fires.  They actually have 5 sims ... 2 light twins (as seen in the movie),
a single engine sim, and two helicopter sims (that I hope to install
flightgear on soon.)  The helicopter sims have controls taken out of real
helicopters.  I ran out of time to try the FlightGear helicopter dynamics on
their hardware this trip ... next trip ...

Right now they mostly run other software in their facility to do their
training, but high on my wish list would be things like:

- a forest fire MP model with fire and rising smoke that can grow and expand
and leave darkened areas in it's wake.

- OSG partical based retardant drops (that can be seen by other MP players.)

- The retardant needs to color the ground that it hits ... and this needs to
be visible to all players in the MP system.  They drop retardant, not
suppressant.  In other words, they aren't trying to put out the fire, they
are trying to box it in with suppressant and let it burn itself out.  The
retardant will leave a "line" on the ground where it is dropped.  The goal
then is to "paint" in the fire with an enclosing perimeter through several
drops.  There are often several teams working together so they need to all
see the retardant that everyone else has previously dropped.

We probably could do most of this in flightgear between the OSG particle
system and the ability for MP models to share their submodel data ... or at
least share when a submodel is released so each system can compute it's
trajectory and impact point identically.

For what every it's worth, this facility trains pilots from several
different countries to fight forest fires ...

Regards,

Curt.
-- 
Curtis Olson: http://baron.flightgear.org/~curt/
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Re: [Flightgear-devel] 350 Mb movie

[Curtis Olson]

On Sat, Mar 1, 2008 at 11:49 AM, Arnt Karlsen <[EMAIL PROTECTED]> wrote:

> ..that wing clipper tree off the right wing immediately before
> touchdown, bug, or feature of the impact of these days costly
> Homeland Security practices on good old fashion safety?  ;o)


I thought I was going to hit that tree, but was saved at the last instant by
the near clip plane.

Curt.
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Re: [Flightgear-devel] 350 Mb movie

[Arnt Karlsen]

On Sat, 01 Mar 2008 11:19:13 +0100, Maik wrote in message 
<[EMAIL PROTECTED]>:

> Hi,
> Georg Vollnhals schrieb am 01.03.2008 03:41:
> > Curtis Olson schrieb:
> >   
> >> I just posted a movie of one of the things I've been working on
> >> this week.  It's a light-twin flight simulator with full cockpit
> >> and 7 visual channels (LCD displays).  This movie shows an
> >> approach into 6WA8 (Ranger Creek) along with the touch down.  This
> >> movie is straight off my camera without any editing or compression
> >> so it weighs in at a whopping 345Mb.  But if you have the
> >> bandwidth to burn I think it's pretty cool.  The 7 visual channels
> >> combined with terrain, tree cover, full instrument panel, and
> >> cockpit enclosure really give you an immersive feel.
> >>
> >> http://baron.flightgear.org/~curt/tmp/MVI_0250.AVI
> >> 
> >> 
> > Thank you very much for sharing this. It is very impressing. Seems
> > you really do not need projection screens if you have this 7 LCD
> > displays arrangement. FlightGear combined with the right hardware
> > does a good job. Georg EDDW
> >
> >   
> great. I think the "Depth percepted cockpit" idea combined with the 7 
> LCD Displays could increase the realism further.

..that wing clipper tree off the right wing immediately before
touchdown, bug, or feature of the impact of these days costly
Homeland Security practices on good old fashion safety?  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] 350 Mb movie

[Maik Justus]

Hi,
Georg Vollnhals schrieb am 01.03.2008 03:41:
> Curtis Olson schrieb:
>   
>> I just posted a movie of one of the things I've been working on this
>> week.  It's a light-twin flight simulator with full cockpit and 7
>> visual channels (LCD displays).  This movie shows an approach into
>> 6WA8 (Ranger Creek) along with the touch down.  This movie is straight
>> off my camera without any editing or compression so it weighs in at a
>> whopping 345Mb.  But if you have the bandwidth to burn I think it's
>> pretty cool.  The 7 visual channels combined with terrain, tree cover,
>> full instrument panel, and cockpit enclosure really give you an
>> immersive feel.
>>
>> http://baron.flightgear.org/~curt/tmp/MVI_0250.AVI
>> 
>>
>> Curt.
>> -- 
>> Curtis Olson: http://baron.flightgear.org/~curt/
>> 
>> 
>>
>>   
>> 
> Thank you very much for sharing this. It is very impressing. Seems you
> really do not need projection screens if you have this 7 LCD displays
> arrangement. FlightGear combined with the right hardware does a good job.
> Georg EDDW
>
>   
great. I think the "Depth percepted cockpit" idea combined with the 7 
LCD Displays could increase the realism further.

Maik


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Re: [Flightgear-devel] 350 Mb movie

[Georg Vollnhals]

Curtis Olson schrieb:
> I just posted a movie of one of the things I've been working on this
> week.  It's a light-twin flight simulator with full cockpit and 7
> visual channels (LCD displays).  This movie shows an approach into
> 6WA8 (Ranger Creek) along with the touch down.  This movie is straight
> off my camera without any editing or compression so it weighs in at a
> whopping 345Mb.  But if you have the bandwidth to burn I think it's
> pretty cool.  The 7 visual channels combined with terrain, tree cover,
> full instrument panel, and cockpit enclosure really give you an
> immersive feel.
>
> http://baron.flightgear.org/~curt/tmp/MVI_0250.AVI
> 
>
> Curt.
> -- 
> Curtis Olson: http://baron.flightgear.org/~curt/
> 
> 
>
>   
Thank you very much for sharing this. It is very impressing. Seems you
really do not need projection screens if you have this 7 LCD displays
arrangement. FlightGear combined with the right hardware does a good job.
Georg EDDW

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Re: [Flightgear-devel] 350 Mb movie

[Bill Galbraith]

Schweet. Details?  Are those dedicated instruemtns, or a FG monitor behind a
mask?
 
Bill


  _  

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Curtis
Olson
Sent: Friday, February 29, 2008 8:17 PM
To: FlightGear developers discussions
Subject: [Flightgear-devel] 350 Mb movie


I just posted a movie of one of the things I've been working on this week.
It's a light-twin flight simulator with full cockpit and 7 visual channels
(LCD displays).  This movie shows an approach into 6WA8 (Ranger Creek) along
with the touch down.  This movie is straight off my camera without any
editing or compression so it weighs in at a whopping 345Mb.  But if you have
the bandwidth to burn I think it's pretty cool.  The 7 visual channels
combined with terrain, tree cover, full instrument panel, and cockpit
enclosure really give you an immersive feel.

http://baron.flightgear.org/~curt/tmp/MVI_0250.AVI

Curt.
-- 
Curtis Olson: http://baron.flightgear.org/~curt/ 

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[Flightgear-devel] 350 Mb movie

[Curtis Olson]

I just posted a movie of one of the things I've been working on this week.
It's a light-twin flight simulator with full cockpit and 7 visual channels
(LCD displays).  This movie shows an approach into 6WA8 (Ranger Creek) along
with the touch down.  This movie is straight off my camera without any
editing or compression so it weighs in at a whopping 345Mb.  But if you have
the bandwidth to burn I think it's pretty cool.  The 7 visual channels
combined with terrain, tree cover, full instrument panel, and cockpit
enclosure really give you an immersive feel.

http://baron.flightgear.org/~curt/tmp/MVI_0250.AVI

Curt.
-- 
Curtis Olson: http://baron.flightgear.org/~curt/
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