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Author SHA1 Message Date
andy
0cabedaa4f Use the density values from the environment subsystem, to properly handle
density variations due to humidity.
2002-06-10 08:47:29 +00:00
david
f12ba10c47 Modified --wind=DIR@SPEED option to allow both DIR and SPEED to
contain colon-separated ranges.  For examples, winds from 180 degrees
10 knots gusting 15 knots would be

  --wind=180@10:15

Winds variable from 180-220 degrees 5 knots would be

  --wind=180:220@5

FGEnvironment does not yet support variable-direction winds, so
nothing will yet happen in the second case.
2002-06-09 21:28:17 +00:00
david
08848a284b Separated some functionality out into reusable classes, and built a
simplistic, text-field oriented interface for major property groups.

The JAR is now executable, so the program can be launched with

  java -jar fgfsclient.jar <host> <port>
2002-06-09 15:39:44 +00:00
david
2821153720 Ignore class directory. 2002-06-08 15:55:48 +00:00
david
8777663fc0 Initial draft of a Java client library for FlightGear. 2002-06-08 15:54:56 +00:00
david
8703eb5d1a Ignore generated Makefiles. 2002-06-08 15:01:46 +00:00
tony
9299767541 Oops. Previous versions caused compile errors 2002-06-08 03:20:37 +00:00
tony
0975a42f49 The external atmosphere fix. Really this time. 2002-06-08 03:15:05 +00:00
tony
00dcf9f507 JSBSim updates, including external atmosphere fix 2002-06-08 03:14:03 +00:00
curt
0ba0a278b9 Patch from Norman to do the code/base version comparison check a little
more sensibly (and print the correct error message.)
2002-06-07 23:26:07 +00:00
curt
8b711a5782 James Turner:
Modifications to support querying navaid database by station ID (not just
frequency.)  Some corresponding changes to testnavs.cxx to test new
functionality.
2002-06-07 21:03:27 +00:00
david
bc179de4bd Patch from Jim Wilson:
This is a small patch that makes the autopilot work much better with big heavy
airliners as well as the small Cessnas.  Of course this doesn't address the
way autopilots should be modeled.

But by making a couple changes the "George" is now capable of landing either a
C172 or a 747 very close to the center line of the runway with a moderate
cross breeze (15-20kt).

The changes:
- Added turn configurability so that things like Max Aileron and Roll can be
configured per aircraft.
- Enhanced localizer routine (NAV mode) to begin lining up the aircraft as soon
as the cone is entered.  The former model is adopted for the last 5km of the
approach in order to ensure greater precision (makes a very slight difference).

[float cast added by David Megginson to keep G++ 3.0 happy]
2002-06-07 20:16:54 +00:00
david
88e93dc767 Patch from Jim Wilson:
This is a small patch that makes the autopilot work much better with big heavy
airliners as well as the small Cessnas.  Of course this doesn't address the
way autopilots should be modeled.

But by making a couple changes the "George" is now capable of landing either a
C172 or a 747 very close to the center line of the runway with a moderate
cross breeze (15-20kt).

The changes:
- Added turn configurability so that things like Max Aileron and Roll can be
configured per aircraft.
- Enhanced localizer routine (NAV mode) to begin lining up the aircraft as soon
as the cone is entered.  The former model is adopted for the last 5km of the
approach in order to ensure greater precision (makes a very slight difference).

[float cast added by David Megginson to keep G++ 3.0 happy]
2002-06-07 19:52:00 +00:00
david
e6f9caa41b Patch from Melchior Franz:
FGViewer::updateFromModelLocation does otherwise complain several
times about non-initialized values
2002-06-07 19:43:40 +00:00
david
d982efc4c4 Fix two problems:
1. Typo where /environment/density-inhg instead of
   /environment/density-slugft3 was flagged as archivable.

2. Density should no longer be archivable anyway, since it is
   calculated internally and not directly settable by the user.
2002-06-07 14:23:09 +00:00
david
a08d92e142 Correct temperature value passed to FDM. 2002-06-07 00:15:21 +00:00
david
56642901b5 Air density is now calculated automatically from air pressure,
temperature, and dewpoint.  The /environment/density-sea-level-slugft3
property has been removed, and the /environment/density-slugft3
property is read-only.
2002-06-06 00:21:23 +00:00
david
4acb59a020 Renamed property /steam/vertical-speed-fpm to /steam/vertical-speed-fps. 2002-06-05 22:39:00 +00:00
david
2df334378f Use factors instead of offset in atmosphere model. The troposphere is
hard-coded for 38,000ft.
2002-06-05 22:30:07 +00:00
david
34e2e52158 Patch from Georg Kaiser. 2002-06-05 21:43:44 +00:00
curt
b885e3ff87 Tweak paths. 2002-06-05 21:05:41 +00:00
curt
ef475aa007 Initial revision of a script to facilitate debugging with valgrind. 2002-06-05 19:58:07 +00:00
david
890c26a9ee Move initial setup of cloud layers to Main/main.cxx to ensure that
they are done only once, and ensure that all properties are untied in
unbind().
2002-06-05 17:45:42 +00:00
david
5bec60a602 Set up cloud layers when thesky is allocated, to ensure that they are
created only once.
2002-06-05 17:44:39 +00:00
david
0387b3a4ec Replace cout statement with SG_LOG. 2002-06-05 17:44:09 +00:00
david
384c3c254a Initialize default SLP to 29.92inHG. 2002-06-05 14:44:30 +00:00
curt
e2e640ef46 Set control surface positions when using an external network fdm.
Fetch all pending remote fdm network packets so there is not chance of
  getting behind.
Add support for driving control panel lights.
Working on better modeling KX 155 tuning behavior.
2002-06-05 05:22:42 +00:00
curt
63eb4d8668 Erik Hofman:
* Small updates and fixes
* Add random as an internal ( <intenral>random</internal> is now possible)
2002-06-04 16:27:20 +00:00
andy
2852f27bdc Uninitialized data problem. As it turns out, this never bit us because
the _chord member is only used uninitialized in circumstances where the
result is thrown away.  Still, bad practice.  Found with valgrind.
2002-06-04 07:23:34 +00:00
curt
11766afb6c Added flap_deflection so that remote fdm can pass back actual flap deflection
in order to drive the flap sound effects and animation.
2002-06-03 23:35:43 +00:00
andy
04e083083d Need to call recalc() on the RigidBody during solution, or else it
won't apply the right gross weight due to fuel differences.

When solving for zero force, do so in the global frame, not the
aircraft's.  In principle, this shouldn't matter (zero is zero in all
frames), but in practice this should help to avoid oscillations.
Calculating lift as force perpendicular to the ground (and not the
wing plane) is clearly the Right Thing, anyway.

Also added support for a /yasim/gross-weight-lbs property, which
should be generically useful.
2002-06-01 19:59:38 +00:00
andy
713920356b Property name typo. This resulted in all temperatures being 273K,
which is far too warm at altitude.  Thus, air density (and aircraft
performance) was too low for a given altitude.
2002-05-30 18:54:08 +00:00
curt
b2cefb1450 Check for the proper base package version. 2002-05-30 15:37:39 +00:00
david
25450e040a Patch from Melchior Franz:
The new dt/multiloop method requires new damping parameters.
2002-05-29 22:38:11 +00:00
david
1a4b6a37a3 Default to glider again when model is not present. 2002-05-29 22:04:36 +00:00
andy
7e63c0f6e8 Modify solution heuristics. Do the cruise AoA and tail incidence only
when the lift/drag are really solid.  And defer the approach trim until
the all four of the other variables are perfect.  I believe this should
fix the solution failures under gcc 2.95.2.
2002-05-29 08:41:13 +00:00
andy
adeeed1a0e Oops. Stray checkin. Revert. 2002-05-29 07:09:41 +00:00
andy
f324ea9bad The incidence setting only works on a compiled object. If setIncidence
is called on a non-compiled object, make sure to re-set it after compilation.
2002-05-29 07:07:29 +00:00
david
8cf573ae51 JSBSim change:
Reverse sense of rudder surface position, for consistency with
ailerons and FlightGear controls.
2002-05-28 13:50:51 +00:00
andy
040c508aa8 We don't handle propellers turning backwards. This got clamped
implicitly in PropEngine by disallowing negative torques, but that was
removed at some point.  We really need the explosion protection here
at the source.
2002-05-23 19:47:19 +00:00
andy
6af60f7462 Yank the "castering" attribute and replace it with a ControlMap-enabled
control that can be set via the property system.  This allows implementation
of the DC-3 wheel lock.
2002-05-23 19:30:56 +00:00
curt
69189afd23 Include autogen.sh in the distribution. 2002-05-23 15:47:11 +00:00
andy
4d10297732 Oops, left debug code in the checkin. 2002-05-21 18:45:56 +00:00
andy
4535c84b99 Solve for the elevator control input during approach. It turns out that
the downforce from the tail due to elevator trim is a significant contribution
to total lift.
2002-05-21 07:40:46 +00:00
curt
e380891c40 Erik Hofman:
This patch adds "elapsed time" support to the sound code.
It is now possible to define <internal>dt_play</internal> or
<internal>dt_stop</internal> instead of a propery in the <volume> and
<pitch> sections of the configuration file.
2002-05-20 16:28:21 +00:00
curt
2cafd466e2 Tony Peden:
Defeated the invasion once and for all.
2002-05-20 16:19:26 +00:00
curt
8ae364a220 Jim Wilson:
This is a small fix for what turned out to be a major bug.  Ground elevation
was calculated incorrectly when distant from one of the view locations. This
resulted in several problems including bizarre gear trimming, mid air
"crashes" (as in thinking we hit the ground) and so on when close to or on the
ground.

Unfortunately it does require a second ssg traversal when in tower view
(only), but the increased load isn't all that noticable.  For the time being
this really is the best solution.  In a future update I will be eliminating
the unecessary per frame traversals for the static views (without having to
maintain multiple ssgRoots).

When we go to multiple FDM instances we will perhaps need to put the ssg
traversal and ground elevation queries for the FDMs into an event timer that
updates the FDMs ground elevation in a round robin fashion (maybe every 1/n
seconds where n is the number of FDM instances running).
2002-05-20 16:13:37 +00:00
curt
0efc08b6b6 Bernie Bright:
Ensure lines sent to clients are CRLF terminated.
Ensure the dump command null terminates its output string.
Removed view command and comments.
2002-05-20 15:53:14 +00:00
curt
1ffd296e27 Jim Wilson:
Fix for the sound cranking bug.
2002-05-17 21:02:40 +00:00
david
89483df079 No longer initialize static cloud layers (handled dynamically in
environment_mgr.cxx).  The /environment/clouds/status property is now
checked each frame, so clouds can be turned on or off in the middle of
a session.
2002-05-17 19:04:20 +00:00