Re: [Flightgear-devel] Tower view configuration
From: Drew [EMAIL PROTECTED] Thanks, I'll try that, but I don't understand your description. The view origin is fixed in space as it is. Since the field of view is only 8 degrees horizontally, I figured the .9 degrees would shift the target upwards by about 1/6 the height of the image. That's what I'm trying to do, anyway. In any case, I'll try what you suggested tomorrow when I'm at my computer, and see for myself what it does. Hmmm...ok I did not see that. Now I've got a better idea of what you are looking for. Also I need to retract what I said about the camera angle. That's a function of manipulating the origin. The pitch-offset-deg value will have no effect in lookat mode. Currently the only thing you can do to move the aircraft up higher in the tower view is to specify a target-y-offset-m. This moves the target location. What it won't do is maintain the same angle as the distance to the aircraft changes. Doing that would require a code change that uses new parameters like target-pitch-offset-deg and calculates an xyz value dynamically. Best, Jim ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
Re: [Flightgear-devel] Tower view configuration
You could write a nasal script that updates target-y-offset-m based on the aircraft's distance from the tower. You can get the tower and ac position from the property tree, nasal does trig, and that's all you need. Josh I'll look into that. Thanks! ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
Re: [Flightgear-devel] Tower view configuration
From: Drew [EMAIL PROTECTED] Hey All, I'm trying to configure a tower view in FlightGear that is offset in pitch such that the airplane appears above the center of the screen, but still tracks the position of the aircraft. I can't figure out how this is done, as the 'offset-pitch-deg' property seems to have no effect. Here is what I have in preferences.xml. If anyone knows what I'm doing wrong, please let me know. That negative 9 tenths of a degree offset-pitch-deg value is going to be hardly noticable. If I recall correctly, the offsets in lookat mode still manipulate the angle of the camera, but the target is always constant. Thus it gives you the impression that the camera is teathered to the target, and rotates around as if on the inside of a sphere where the target is the center of the sphere. Try some larger numbers (e.g. 35 degrees) and you should see something change. Best, Jim ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
Re: [Flightgear-devel] Tower view configuration
Thanks, I'll try that, but I don't understand your description. The view origin is fixed in space as it is. Since the field of view is only 8 degrees horizontally, I figured the .9 degrees would shift the target upwards by about 1/6 the height of the image. That's what I'm trying to do, anyway. In any case, I'll try what you suggested tomorrow when I'm at my computer, and see for myself what it does. Drew On 6/29/05, Jim Wilson [EMAIL PROTECTED] wrote: From: Drew [EMAIL PROTECTED] Hey All, I'm trying to configure a tower view in FlightGear that is offset in pitch such that the airplane appears above the center of the screen, but still tracks the position of the aircraft. I can't figure out how this is done, as the 'offset-pitch-deg' property seems to have no effect. Here is what I have in preferences.xml. If anyone knows what I'm doing wrong, please let me know. That negative 9 tenths of a degree offset-pitch-deg value is going to be hardly noticable. If I recall correctly, the offsets in lookat mode still manipulate the angle of the camera, but the target is always constant. Thus it gives you the impression that the camera is teathered to the target, and rotates around as if on the inside of a sphere where the target is the center of the sphere. Try some larger numbers (e.g. 35 degrees) and you should see something change. Best, Jim ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
Re: [Flightgear-devel] TOWER
Le mardi 21 juin 2005 à 12:20 -0300, [EMAIL PROTECTED] a écrit : Hi, 1) I would like to disable the messages that appear on the TOP of screen, the tower control. Is there any property that I could set to disable it on FGFS 0.9.4? 2) I am compiling the FGfs 0.9.8 and I getting errors on JSBSim modules, is there anything that I can do to solve it? Regards, Which message errors ? -- Gerard ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
Re: [Flightgear-devel] TOWER
[EMAIL PROTECTED] wrote: 1) I would like to disable the messages that appear on the TOP of screen, the tower control. --prop:/sim/ai-traffic/enabled=false 2) I am compiling the FGfs 0.9.8 and I getting errors on JSBSim modules, is there anything that I can do to solve it? Is there any chance that could make us aware of these error messages ? My augur is currently on vacation, Martin. -- Unix _IS_ user friendly - it's just selective about who its friends are ! -- ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
Re: [Flightgear-devel] TOWER
Martin Spott wrote: [EMAIL PROTECTED] wrote: 1) I would like to disable the messages that appear on the TOP of screen, the tower control. --prop:/sim/ai-traffic/enabled=false Oh, sorry, I picked the wrong one - the correct one has already been posted, Martin. -- Unix _IS_ user friendly - it's just selective about who its friends are ! -- ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
Re: [Flightgear-devel] Tower View
Thanks to Jim Wilson, we have a working tower view in CVS: [...] Wow, this one is incredibly good, Martin. -- Unix _IS_ user friendly - it's just selective about who its friends are ! -- ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
RE: [Flightgear-devel] Tower View
Thanks to Jim Wilson, we have a working tower view in CVS: the 'v' key
cycles among pilot view, chase view, and tower view, rather than just
pilot and chase. In the future, Jim (or someone else) will probably
add the ability to specify a tower position; for now, the code just
makes one up for the initial airport.
You'll probably want to use the 'x' key to zoom in a bit, since the
tower can be pretty far away at a large airport.
Nice job! This could be used to simulate a tracking camera using the zoom
feature (try it with the X15).
However, I am seeing a strange clipping problem in the tower view mode with
the C172 and C310 models when I use the 'x' key to zoom in (Cygwin/Win2k).
Here's how to duplicate it:
1. Start FGFS with default options (empty .fgfs_rc).
2. Switch to tower view ('v' twice).
3. Zoom in with 'x' until the model fills at least half the screen.
4. As the aircraft slowly taxis down the runway I see strange polygon
clipping effects in the model.
This looks similar to the effect seen last month when the experiments with
the near and far clipping planes were going on. Perhaps the near and far
planes will have to be adjusted depending upon the distance to the model
and/or the amount of zoom or the FOV.
Does anyone else see this?
Regards,
Paul
Paul R. Deppe
Veridian Engineering (formerly Calspan)
Flight Aerospace Research Group
150 North Airport Drive
Buffalo, NY 14225
(716) 631-6898
(716) 631-6990 FAX
[EMAIL PROTECTED]
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RE: [Flightgear-devel] Tower View
Paul Deppe [EMAIL PROTECTED] said: However, I am seeing a strange clipping problem in the tower view mode with the C172 and C310 models when I use the 'x' key to zoom in (Cygwin/Win2k). Here's how to duplicate it: Oh yes, I'm seeing it on my voodoo. What kind of card are you using? I have experimented with some buffer settings, but haven't been able to fix it. I'd say it is likely a problem of the model complexity and the inaccuracy of 16bit fp (rendering at a distance). We've got a lot of objects very close together there. One idea I had was to make a zoom feature that would push the eye closer to the object on the lookat axis using an offset value, as opposed to using the fov to close in like a telescope. You'll note that the problem diminishes when the model is reasonably close, so doing something like I just described would solve the math issue that is causing this. The only problem is it wouldn't be very telescope like. Best, Jim ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
RE: [Flightgear-devel] Tower View
Paul Deppe writes: This looks similar to the effect seen last month when the experiments with the near and far clipping planes were going on. Perhaps the near and far planes will have to be adjusted depending upon the distance to the model and/or the amount of zoom or the FOV. Partly, but partly, I need to use LOD to remove detail (like the aircraft interior) at a certain distance. All the best, David -- David Megginson [EMAIL PROTECTED] ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
Re: [Flightgear-devel] Tower View preview
Looking good. From an R/C perspective, it would be great to have an aircraft shadow for judging altitude. Having worked mainly on the UIUC/FDM side of things, I'm not sure how difficult it would be to add this... Glen - Original Message - From: Jim Wilson [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Wednesday, April 03, 2002 9:43 PM Subject: [Flightgear-devel] Tower View preview Here's a series from the tower (aka RC pilot) view. Note that I really have trouble flying this way. The last seen is 2.3 seconds before impact :-) http://www.spiderbark.com/fgfs/towerpreview.png Best, Jim ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
Re: [Flightgear-devel] Tower View preview
Glen Dimock [EMAIL PROTECTED] said: Looking good. From an R/C perspective, it would be great to have an aircraft shadow for judging altitude. Having worked mainly on the UIUC/FDM side of things, I'm not sure how difficult it would be to add this... Glen This has been discussed...check the archives (within the last couple months). For now the HUD works fine for judging altitude. :-) Best, Jim ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
Re: [Flightgear-devel] Tower view
Someone needs to rewrite the viewer code to allow viewpoints to be added at runtime; then, we can define a tower position for specific airports and allow you to switch to the nearest tower. And as usual, I don't have the time (much less the programming prowess) to take on such a task. I have in my mind this Idea, which doesn't need locations of Towers. Maybe it is from Flight Unlimited II. When you switch to tower view( or better ground view) your view point initialize at some specified (in cofig file) distance before and left of aircraft at specified altitude above ground. And stay here until you switch to another view mode. I look for one moth that I write it, but I still can't get enough time to do it. Reagrds, Madr -- Martin Dressler e-mail: [EMAIL PROTECTED] http://www.musicabona.com/ ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
Re: [Flightgear-devel] Tower view
On Sat, 23 Feb 2002 13:29:48 -0600,
Michael Selig [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]:
At 2/23/02, you wrote:
* [EMAIL PROTECTED] (Boslough, Mark B) [2002.02.22 18:40]:
Is there no longer a tower view option? 0.7.8 could toggle from
pilot to chase to tower view, I believe. 0.7.9 does not seem to
have this feature.
I think you're mistaken. FlightGear has never had a tower view.
In my 0.7.8 main.cxx I have this snippet of code:
// Tower View
FGViewerLookAt *tower_view =
(FGViewerLookAt *)globals-get_viewmgr()-get_view( 2 );
tower_view-set_view_forward( pilot_view-get_view_pos() );
if (!tower_view_initialized) {
tower_view-set_geod_view_pos(
cur_fdm_state-get_Longitude(),
cur_fdm_state-get_Lat_geocentric(),
(cur_fdm_state-get_Altitude()+200)*
SG_FEET_TO_METER );
tower_view-set_sea_level_radius(
cur_fdm_state-
get_Sea_level_radius()*
SG_FEET_TO_METER );
tower_view-set_pilot_offset( npo[0],
npo[1], npo[2] ); tower_view-set_view_up(
wup ); tower_view_initialized = true;
}
... and I can toggle the 'v' key to go from cockpit, to external rear
view, to a tower view (when flying at the default airport) --- works
great. Is this not part of the standard fgfs? I mentioned to Mark
that we have this working in our fgfs 0.7.8. I don't see this same
piece of code in 0.7.9, however.
..so, I can drop the above in @ line no 465 between
FGViewerRPH *pilot_view = @ line no 448 and
FGVieverLookAt *chase_view = @ line no 466,
to have a cockpit view-tower view-chase view 3 state toggle?
..would I need changes like these below around line nos 1471-1475 in
main.cxx?
..like FGViewerLookAt *tower_view = new FGViewerLookAt;
globals-get_viewmangr()-add_view( tower_view );
...at line no 1473 to decide the toggle state sequence above?
..how about line nos 692-693, which does not mention chase view,
only pilot_view (from the cockpit)??? Standing on the field,
tower_view is more different from chase than pilot_view???
--
..med vennlig hilsen = with Kind Regards from Arnt... ;-)
Scenarios always come in sets of three:
best case, worst case, and just in case.
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Re: [Flightgear-devel] Tower view
* [EMAIL PROTECTED] (Boslough, Mark B) [2002.02.22 18:40]: Is there no longer a tower view option? 0.7.8 could toggle from pilot to chase to tower view, I believe. 0.7.9 does not seem to have this feature. I think you're mistaken. FlightGear has never had a tower view. -- Cameron Moore [ Why is a boxing ring square? ] ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
Re: [Flightgear-devel] Tower view
At 2/23/02, you wrote:
* [EMAIL PROTECTED] (Boslough, Mark B) [2002.02.22 18:40]:
Is there no longer a tower view option? 0.7.8 could toggle from
pilot to chase to tower view, I believe. 0.7.9 does not seem to
have this feature.
I think you're mistaken. FlightGear has never had a tower view.
In my 0.7.8 main.cxx I have this snippet of code:
// Tower View
FGViewerLookAt *tower_view =
(FGViewerLookAt *)globals-get_viewmgr()-get_view( 2 );
tower_view-set_view_forward( pilot_view-get_view_pos() );
if (!tower_view_initialized) {
tower_view-set_geod_view_pos( cur_fdm_state-get_Longitude(),
cur_fdm_state-get_Lat_geocentric(),
(cur_fdm_state-get_Altitude()+200)*
SG_FEET_TO_METER );
tower_view-set_sea_level_radius( cur_fdm_state-
get_Sea_level_radius()*
SG_FEET_TO_METER );
tower_view-set_pilot_offset( npo[0], npo[1], npo[2] );
tower_view-set_view_up( wup );
tower_view_initialized = true;
}
... and I can toggle the 'v' key to go from cockpit, to external rear view,
to a tower view (when flying at the default airport) --- works great. Is
this not part of the standard fgfs? I mentioned to Mark that we have this
working in our fgfs 0.7.8. I don't see this same piece of code in 0.7.9,
however.
--
Cameron Moore
[ Why is a boxing ring square? ]
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Prof. Michael S. Selig
Dept. of Aero/Astro Engineering
University of Illinois at Urbana-Champaign
306 Talbot Laboratory
104 South Wright Street
Urbana, IL 61801-2935
(217) 244-5757 (o), (509) 691-1373 (fax)
mailto:[EMAIL PROTECTED]
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RE: [Flightgear-devel] Tower view
There seems to be a vestigial reference to TOWER_VIEW in
0.7.9, but as Michael says, the code section that was in
0.7.8 is no longer there. This would be a useful feature
for simulating r/c flight.
Mark
-Original Message-
From: Michael Selig [mailto:[EMAIL PROTECTED]]
Sent: Saturday, February 23, 2002 12:30 PM
To: [EMAIL PROTECTED]
Subject: Re: [Flightgear-devel] Tower view
At 2/23/02, you wrote:
* [EMAIL PROTECTED] (Boslough, Mark B) [2002.02.22 18:40]:
Is there no longer a tower view option? 0.7.8 could toggle from
pilot to chase to tower view, I believe. 0.7.9 does not seem to
have this feature.
I think you're mistaken. FlightGear has never had a tower view.
In my 0.7.8 main.cxx I have this snippet of code:
// Tower View
FGViewerLookAt *tower_view =
(FGViewerLookAt *)globals-get_viewmgr()-get_view( 2 );
tower_view-set_view_forward( pilot_view-get_view_pos() );
if (!tower_view_initialized) {
tower_view-set_geod_view_pos(
cur_fdm_state-get_Longitude(),
cur_fdm_state-get_Lat_geocentric(),
(cur_fdm_state-get_Altitude()+200)*
SG_FEET_TO_METER );
tower_view-set_sea_level_radius( cur_fdm_state-
get_Sea_level_radius()*
SG_FEET_TO_METER );
tower_view-set_pilot_offset( npo[0], npo[1], npo[2] );
tower_view-set_view_up( wup );
tower_view_initialized = true;
}
... and I can toggle the 'v' key to go from cockpit, to
external rear view,
to a tower view (when flying at the default airport) ---
works great. Is
this not part of the standard fgfs? I mentioned to Mark that
we have this
working in our fgfs 0.7.8. I don't see this same piece of
code in 0.7.9,
however.
--
Cameron Moore
[ Why is a boxing ring square? ]
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Dept. of Aero/Astro Engineering
University of Illinois at Urbana-Champaign
306 Talbot Laboratory
104 South Wright Street
Urbana, IL 61801-2935
(217) 244-5757 (o), (509) 691-1373 (fax)
mailto:[EMAIL PROTECTED]
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Re: [Flightgear-devel] Tower view
* [EMAIL PROTECTED] (Michael Selig) [2002.02.23 13:32]:
At 2/23/02, you wrote:
* [EMAIL PROTECTED] (Boslough, Mark B) [2002.02.22 18:40]:
Is there no longer a tower view option? 0.7.8 could toggle from
pilot to chase to tower view, I believe. 0.7.9 does not seem to
have this feature.
I think you're mistaken. FlightGear has never had a tower view.
In my 0.7.8 main.cxx I have this snippet of code:
// Tower View
FGViewerLookAt *tower_view =
(FGViewerLookAt *)globals-get_viewmgr()-get_view( 2 );
tower_view-set_view_forward( pilot_view-get_view_pos() );
if (!tower_view_initialized) {
tower_view-set_geod_view_pos( cur_fdm_state-get_Longitude(),
cur_fdm_state-get_Lat_geocentric(),
(cur_fdm_state-get_Altitude()+200)*
SG_FEET_TO_METER );
tower_view-set_sea_level_radius( cur_fdm_state-
get_Sea_level_radius()*
SG_FEET_TO_METER );
tower_view-set_pilot_offset( npo[0], npo[1], npo[2] );
tower_view-set_view_up( wup );
tower_view_initialized = true;
}
... and I can toggle the 'v' key to go from cockpit, to external rear view,
to a tower view (when flying at the default airport) --- works great. Is
this not part of the standard fgfs? I mentioned to Mark that we have this
working in our fgfs 0.7.8. I don't see this same piece of code in 0.7.9,
however.
Michael,
You had to have put that there yourself because that was never committed
to CVS (I know...I wrote it). It works, but it's a major hack and
shouldn't be in the official FG source (IMHO).
Someone needs to rewrite the viewer code to allow viewpoints to be added
at runtime; then, we can define a tower position for specific airports
and allow you to switch to the nearest tower. And as usual, I don't
have the time (much less the programming prowess) to take on such a
task.
--
Cameron Moore
[ Would a fly without wings be called a walk? ]
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RE: [Flightgear-devel] Tower view
Boslough, Mark B writes: There seems to be a vestigial reference to TOWER_VIEW in 0.7.9, but as Michael says, the code section that was in 0.7.8 is no longer there. This would be a useful feature for simulating r/c flight. There was never any code to support it; Curt just added it to the enum as a bit of wishful thinking. All the best, David -- David Megginson [EMAIL PROTECTED] ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
Re: [Flightgear-devel] Tower view
There seems to be a vestigial reference to TOWER_VIEW in 0.7.9, but as Michael says, the code section that was in 0.7.8 is no longer there. This would be a useful feature for simulating r/c flight. There was never any code to support it; Curt just added it to the enum as a bit of wishful thinking. Perhaps we're approaching this the wrong way. The multiplayer capability provides a multitude of 'actors' in the virtual world, all of which have an FDM and one of which is running on this computer. Why don't we just make the GL rendering occur with respect to an arbitrary 'actor' ... both in terms of FDM and position viewpoint ? That would support tower view, instructor look-over-shoulder and a bunch of other uses. It may also integrate the multiple-monitor code and multiple-player code into a more consistent feature set. ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
Re: [Flightgear-devel] Tower view
At 2/23/02, you wrote:
* [EMAIL PROTECTED] (Michael Selig) [2002.02.23 13:32]:
At 2/23/02, you wrote:
* [EMAIL PROTECTED] (Boslough, Mark B) [2002.02.22 18:40]:
Is there no longer a tower view option? 0.7.8 could toggle from
pilot to chase to tower view, I believe. 0.7.9 does not seem to
have this feature.
I think you're mistaken. FlightGear has never had a tower view.
In my 0.7.8 main.cxx I have this snippet of code:
// Tower View
FGViewerLookAt *tower_view =
(FGViewerLookAt *)globals-get_viewmgr()-get_view( 2 );
tower_view-set_view_forward( pilot_view-get_view_pos() );
if (!tower_view_initialized) {
tower_view-set_geod_view_pos( cur_fdm_state-get_Longitude(),
cur_fdm_state-get_Lat_geocentric(),
(cur_fdm_state-get_Altitude()+200)*
SG_FEET_TO_METER );
tower_view-set_sea_level_radius( cur_fdm_state-
get_Sea_level_radius()*
SG_FEET_TO_METER );
tower_view-set_pilot_offset( npo[0], npo[1], npo[2] );
tower_view-set_view_up( wup );
tower_view_initialized = true;
}
... and I can toggle the 'v' key to go from cockpit, to external rear
view,
to a tower view (when flying at the default airport) --- works great. Is
this not part of the standard fgfs? I mentioned to Mark that we have this
working in our fgfs 0.7.8. I don't see this same piece of code in 0.7.9,
however.
Michael,
You had to have put that there yourself because that was never committed
to CVS (I know...I wrote it). It works, but it's a major hack and
shouldn't be in the official FG source (IMHO).
Someone needs to rewrite the viewer code to allow viewpoints to be added
at runtime; then, we can define a tower position for specific airports
and allow you to switch to the nearest tower. And as usual, I don't
have the time (much less the programming prowess) to take on such a
task.
Hu ... That's interesting. I was under the impression that it was
part of the fgfs CVS. Its apparently a case of the right hand not knowing
what the left hand was doing, i.e. I don't know how we got it.
I don't like hacks, but I will tell you I sure like flying from the tower
view. As you know it works w/ the 'v' key toggling from cockpit, to
external view, to tower view. When I get to the tower I can zoom in w/ 'x'
to get a better view of the aircraft.
Though I am a glider pilot, I also fly R/C models and the tower view suits
me best. A few of the UIUC (Roskam) aircraft models have bad yaw damping
and/or a dutch roll, and with those I get sick flying from the cockpit.
I sure hope something like this tower view gets to be permanent.
--
Cameron Moore
[ Would a fly without wings be called a walk? ]
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Prof. Michael S. Selig
Dept. of Aero/Astro Engineering
University of Illinois at Urbana-Champaign
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Re: [Flightgear-devel] Tower view
* [EMAIL PROTECTED] (Michael Selig) [2002.02.23 20:08]: At 2/23/02, you wrote: Michael, You had to have put that there yourself because that was never committed to CVS (I know...I wrote it). It works, but it's a major hack and shouldn't be in the official FG source (IMHO). Someone needs to rewrite the viewer code to allow viewpoints to be added at runtime; then, we can define a tower position for specific airports and allow you to switch to the nearest tower. And as usual, I don't have the time (much less the programming prowess) to take on such a task. Hu ... That's interesting. I was under the impression that it was part of the fgfs CVS. Its apparently a case of the right hand not knowing what the left hand was doing, i.e. I don't know how we got it. I don't like hacks, but I will tell you I sure like flying from the tower view. As you know it works w/ the 'v' key toggling from cockpit, to external view, to tower view. When I get to the tower I can zoom in w/ 'x' to get a better view of the aircraft. There were a couple[1] reasons[2] why I didn't finish this, but I had planned on adding an auto-zoom feature. Manual zooming is annoying. Though I am a glider pilot, I also fly R/C models and the tower view suits me best. A few of the UIUC (Roskam) aircraft models have bad yaw damping and/or a dutch roll, and with those I get sick flying from the cockpit. R/C'ing is the reason I added it in the first place. Now that I have an R/C joystick again (see footnote #1), I may try to work on this viewpoint stuff again if I ever get enough time. I sure hope something like this tower view gets to be permanent. Once someone actually impliments it intelligently, it should be permanent. :-) [1] I had to give back the the transmitter/joystick that comes with the RealFlight R/C simulator that I was borrowing from a family member. I got it back again this weekend. ;-) [2] I accidently deleted my development directory and lost a lot of the code I had written. I wasn't in the mood to do rewrite after that. :-/ -- Cameron Moore [ Curiosity killed the cat, but for a while I was a suspect. ] ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
