Re: [Flightgear-devel] FlightGear on 32 bits versus 64 bits system

2008-09-23 Thread Erik Hofman

Vivian Meazza wrote:
 I'm profiling with absolutely _everything_ disabled (including replay). _If_
 that had shown that the stagger went away I would have reintroduced features
 one by one. But I can't even get that far atm. Still trying though, and
 still trying to identify the cause. I note, however, that not long ago we
 had a very good solution, so it's something we have done, and relatively
 recently.
Ok, I was under the impression I saw the same problem here and turning 
off ai models cured it for me (a tenfold in framerate improvement at 
KSFO). This might have something to do with new taxiway routes and old 
scenery since I do see the aircraft parked at the roof of the terminal 
building there..

Anyhow, too bad this doesn't solve the problem for you.

Erik

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Re: [Flightgear-devel] FlightGear on 32 bits versus 64 bits system

2008-09-23 Thread Erik Hofman


Curtis Olson wrote:
 What aircraft is being flown in these tests?  If hash.c looks like a 
 hotspot, that could also be triggered by an aircraft that had a lot of 
 new nasal code added.  Or it could be newly added default system nasal 
 code?  I don't know how much of FlightGear functions anymore without 
 nasal, but disabling the default nasal directory and picking an 
 aircraft with little or no embedded nasal code might also be an 
 interesting test.  We could possibly have crossed a threshold in terms 
 of the amount of nasal code used for some particular aircraft?

The F-16, for one (the one I test with the most), doesn't use much nasal 
code (and neither do for instance the Fokker-100 and T-38). I must say, 
I don't seem to see the problems others are reporting. I thought I was 
.. but it turned out to be a different problem after all.

Erik

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Re: [Flightgear-devel] [Flightgear-cvslogs] CVS: data/Aircraft/b1900d b1900d-set.xml, 1.32,

2008-09-23 Thread James Turner

On 24 Sep 2008, at 01:19, Syd wrote:

 Hi James ,
Im no expert coder , but I did take a look at it myself , and the
 lack of comments made that a no go for me. I tried to visit some of  
 the
 sites he listed as reference material , but either they don't exist
 anymore or I just can't get to them .Judging by the code , it does  
 seem
 to be a complex and accurate instrument , and if
 someone can figure it out , great.

I did some reading last night and it's probably the most accurately  
modelled piece of equipment in FG - down to fault handling and so on.  
But the configuration interface is big - there's several pages of  
tabular data and many properties that are used. Most of them do seem  
to be correct by default, but equally there's quite a few which are  
probably not set in many aircraft. There seems to be a list of  
aircraft 'types' (specified by an integer code), and when one is  
picked, it defines a whole bunch of other parameters about climb rate,  
maximum bank angle, minimum stopping distance, and so on.

I'll start putting notes into a wiki page, I guess.

 My nasal 'experiment' is meant to
 appease those who want it working , (and to see if I can do it ),  
 but it
 wont be anywhere near as complex as the MK-VIII.

Yes, of course.

Regards,
James


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Re: [Flightgear-devel] [Flightgear-cvslogs] CVS: data/Aircraft/b1900d b1900d-set.xml, 1.32,

2008-09-23 Thread Syd
James Turner wrote:
 I did some reading last night and it's probably the most accurately  
 modelled piece of equipment in FG - down to fault handling and so on.  
 But the configuration interface is big - there's several pages of  
 tabular data and many properties that are used. Most of them do seem  
 to be correct by default, but equally there's quite a few which are  
 probably not set in many aircraft. There seems to be a list of  
 aircraft 'types' (specified by an integer code), and when one is  
 picked, it defines a whole bunch of other parameters about climb rate,  
 maximum bank angle, minimum stopping distance, and so on.

 I'll start putting notes into a wiki page, I guess.

I did find a 60 page manual on the MK-VIII , so Ive got some reading to 
do myself .
but it will be nice if the problems are just incorrect settings  for  
aircraft type
I added it to the Bravo , Citation X and 777-200 , so there are a few to 
test different settings on.
 

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Re: [Flightgear-devel] Loading Textures for Photo-Scenery?

2008-09-23 Thread Tim Moore
Frederic Bouvier wrote:
 Hi,
 
 Ralf Gerlich wrote :
 
 Hi!

 Curtis Olson wrote:
 Sure, just like any aircraft or object model can have it's own
 textures.
 There may be some nuances that have disappeared over the years since
 I doubt
 this has been heavily tested, but I used to have a KSJC demo with
 about 1
 pixel per foot resolution.  And don't forget that you could place an
[snip]
 in simgear/scene/tgdb/leaf.cxx branch PRE_OSG_PLIB_20061029, there is this 
 code :
 
 139 :  SGMaterial *mat = matlib-find( material );
 140 :  if ( mat == NULL ) {
 141 : // see if this is an on the fly texture
 142 : string file = path;
 143 : string::size_type pos = file.rfind( / );
 144 : file = file.substr( 0, pos );
 145 : // cout  current file =   file  endl;
 146 : file += /;
 147 : file += material;
 148 : // cout  current file =   file  endl;
 149 : if ( ! matlib-add_item( file ) ) {
 150 :SG_LOG( SG_TERRAIN, SG_ALERT,
 151 :Ack! unknown usemtl name =   material
 152 :  in   path );
[snip]
 
 I didn't test it, but at least, the intention was there ;-)

This code did survive the OSG port, but was removed in a later reorganization 
of 
the tile loading code. It's easy enough to put this back in, but the old code 
would add the local material permanently to the material library; is that 
really 
desired? I would think the local material should get deleted when the tile is 
deleted.

Tim


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Re: [Flightgear-devel] Loading Textures for Photo-Scenery?

2008-09-23 Thread Frederic Bouvier
Hi Tim,

Tim Moore wrote :
 
 This code did survive the OSG port, but was removed in a later
 reorganization of  the tile loading code. It's easy enough 
 to put this back in, but the old code would add the local 
 material permanently to the material library; is that really 
 desired? I would think the local material should get deleted 
 when the tile is deleted.

I tried to restore that code this past weekend but I experienced
random access violation when loading the texture. I was wondering
if loading textures in the pager thread was legal.

-Fred

-- 
Frédéric Bouvier
http://my.fotolia.com/frfoto/  Photo gallery - album photo
http://fgsd.sourceforge.net/   FlightGear Scenery Designer


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Re: [Flightgear-devel] Loading Textures for Photo-Scenery?

2008-09-23 Thread Tim Moore
Frederic Bouvier wrote:
 Hi Tim,
 
 Tim Moore wrote :
 This code did survive the OSG port, but was removed in a later
 reorganization of  the tile loading code. It's easy enough 
 to put this back in, but the old code would add the local 
 material permanently to the material library; is that really 
 desired? I would think the local material should get deleted 
 when the tile is deleted.
 
 I tried to restore that code this past weekend but I experienced
 random access violation when loading the texture. I was wondering
 if loading textures in the pager thread was legal.

It is legal to load textures from the pager thread, but there might now be a 
problem with adding a material to the material library in the pager thread. Is 
the access violation really random?

Tim

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Re: [Flightgear-devel] FlightGear on 32 bits versus 64 bits system

2008-09-23 Thread Erik Hofman

Vivian Meazza wrote:
 Er  ... couple of words spring to mind there - grandmother and eggs :-). But
 I know that you are trying to help.
   
Alright, I'm just about to lay down activities for FlightGear for the 
second time (and now for good)  because of this statement. There was a 
time where i was the *only* patch reviser and committer and have 
probably spent more time browsing the code than any other active 
developer. I realize that the move to osg has put me behind a bit but 
setting me aside as an infant rather than discussing the problem is 
unacceptable.

Erik

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Re: [Flightgear-devel] Loading Textures for Photo-Scenery?

2008-09-23 Thread Frederic Bouvier
Tim Moore wrote :
 Frederic Bouvier wrote:
  Hi Tim,
  
  Tim Moore wrote :
  This code did survive the OSG port, but was removed in a later
  reorganization of  the tile loading code. It's easy enough 
  to put this back in, but the old code would add the local 
  material permanently to the material library; is that really 
  desired? I would think the local material should get deleted 
  when the tile is deleted.
  
  I tried to restore that code this past weekend but I experienced
  random access violation when loading the texture. I was wondering
  if loading textures in the pager thread was legal.
 
 It is legal to load textures from the pager thread, but there might
 now be a problem with adding a material to the material library 
 in the pager thread. Is the access violation really random?

The crash occurred in the openthread code, and looked like a race 
condition or a synchronisation problem. I don't have the details 
at hand, but it was never on the same image file.

I tested with a modified version of the Brest scenery, that I hacked
by hand with an HEX editor to add the .dds extension to the material
string.

-Fred

-- 
Frédéric Bouvier
http://my.fotolia.com/frfoto/  Photo gallery - album photo
http://fgsd.sourceforge.net/   FlightGear Scenery Designer


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[Flightgear-devel] Good company on the list; Was: FlightGear on 32 bits versus 64 bits system

2008-09-23 Thread Martin Spott
Erik,

Erik Hofman wrote:
 Vivian Meazza wrote:
  Er  ... couple of words spring to mind there - grandmother and eggs :-). But
  I know that you are trying to help.

 Alright, I'm just about to lay down activities for FlightGear for the 
 second time (and now for good)  because of this statement.

Don't do that, these comments are not worth the trouble - nevertheless
I understand your motivation. If you plan to step out of the general
development cycle (again), do it like others have already done and
create your own side-project or be supportive to one of those already
existing ones,

Martin.
-- 
 Unix _IS_ user friendly - it's just selective about who its friends are !
--

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Re: [Flightgear-devel] FlightGear on 32 bits versus 64 bits system

2008-09-23 Thread Tim Moore
Erik Hofman wrote:
 Vivian Meazza wrote:
 Er  ... couple of words spring to mind there - grandmother and eggs :-). But
 I know that you are trying to help.
   
 Alright, I'm just about to lay down activities for FlightGear for the 
 second time (and now for good)  because of this statement. There was a 
 time where i was the *only* patch reviser and committer and have 
 probably spent more time browsing the code than any other active 
 developer. I realize that the move to osg has put me behind a bit but 
 setting me aside as an infant rather than discussing the problem is 
 unacceptable.

I think you misunderstand the sense of the idiom teaching your grandmother to 
suck eggs. It implies nothing about the maturity of the teacher. Vivian 
meant 
that you were treating him like a child -- that's the teaching an elderly 
person 
to suck eggs part -- but I think between his smiley and his I know that you 
are 
trying to help comment it is clear that he is joking. In any event, do stick 
around and learn more about the OSG parts, as more eyeballs there are always 
welcome.

Tim

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Re: [Flightgear-devel] FlightGear on 32 bits versus 64 bits system

2008-09-23 Thread Erik Hofman

Tim Moore wrote:
 I think you misunderstand the sense of the idiom teaching your grandmother 
 to 
 suck eggs. It implies nothing about the maturity of the teacher. Vivian 
 meant 
 that you were treating him like a child -- that's the teaching an elderly 
 person 
 to suck eggs part -- but I think between his smiley and his I know that you 
 are 
   
I'm still not completely convinced, but not being a native English 
speaker I'll take your word for it. I'm sorry about it then, but could 
we please leave these kind of expressions out of the discussion in the 
future; being personal like this without being 100% sure the other side 
knows exactly what is meant can set bad blood.
Again, sorry for the reaction.

Erik

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Re: [Flightgear-devel] Twice the same

2008-09-23 Thread Melchior FRANZ
* gerard robin -- Tuesday 19 August 2008:
 When loading a JSB FDM Aircraft i get twice the same heading information.
[...]
 I just wonder why :)

No idea. Doesn't happen here. Maybe some local modification?

m.

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Re: [Flightgear-devel] FlightGear on 32 bits versus 64 bits system

2008-09-23 Thread Frederic Bouvier
Tim Moore wrote :
  Vivian Meazza wrote:
  Er  ... couple of words spring to mind there - grandmother and eggs
 :-). But
  I know that you are trying to help.

I thought if was related to the chicken and egg problem, but I didn't
see why grandmother should be involved ;-)

 I think you misunderstand the sense of the idiom teaching your
 grandmother to suck eggs. It implies nothing about the maturity
 of the teacher. Vivian meant that you were treating him like 
 a child -- that's the teaching an elderly person to suck eggs 
 part -- but I think between his smiley and his I know that you 
 are trying to help comment it is clear that he is joking. 

Thank you for the explanation.

-Fred

-- 
Frédéric Bouvier
http://my.fotolia.com/frfoto/  Photo gallery - album photo
http://fgsd.sourceforge.net/   FlightGear Scenery Designer


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Re: [Flightgear-devel] Twice the same

2008-09-23 Thread Martin Spott
Melchior FRANZ wrote:
 * gerard robin -- Tuesday 19 August 2008:
  When loading a JSB FDM Aircraft i get twice the same heading information.
 [...]
  I just wonder why :)
 
 No idea. Doesn't happen here. Maybe some local modification?

I don't think so. I've seen this regularly with the PC-7 and the
SenecaII. Maybe this is being triggered by some command line parameter
which Gerard and I use, but you don't.

Regards,
Martin.
-- 
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--

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Re: [Flightgear-devel] Good company on the list; Was: FlightGear on 32 bits versus 64 bits system

2008-09-23 Thread gerard robin
On mardi 23 septembre 2008, Martin Spott wrote:
 Erik,

 Erik Hofman wrote:
  Vivian Meazza wrote:
   Er  ... couple of words spring to mind there - grandmother and eggs
   :-). But I know that you are trying to help.
 
  Alright, I'm just about to lay down activities for FlightGear for the
  second time (and now for good)  because of this statement.

 Don't do that, these comments are not worth the trouble - nevertheless
 I understand your motivation. If you plan to step out of the general
 development cycle (again), do it like others have already done and
 create your own side-project or be supportive to one of those already
 existing ones,

   Martin.

I  agree, don't do that, to me, if there was only one good reason to go on ,  
it is that one:
in addition to everything good you did recently on FG,  you give us with the 
last f16 update, and the integration of the last JSBsim version within FG, a 
new fresh air.

Here, one, knows that i am fond of JSBsim FDM and each new JSBsim FDM Aircraft 
improvement is an enjoyment for me.

BTW: And,  i regret that,  Dave Culp, an other expert (and Pilot) has 
vanished, for some reasons, from these mail lists. 

Cheers

-- 
Gérard
http://pagesperso-orange.fr/GRTux/

J'ai décidé d'être heureux parce que c'est bon pour la santé. 
Voltaire 


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[Flightgear-devel] A bug in OSG - osg plugin should be replaced for the latest binary package for Mac OS X.

2008-09-23 Thread Tatsuhiro Nishioka
Hi there.

I found a bug in osgdb_qt.so for the latest FlightGear/cvs. The
problem is that fgfs crashes when loading Textures/Sky/broken.rgba for
the aircraft that have a non-rgb (say png) splash image.

I made a patch to solve this problem, and I already sent to an OSG
developer. I hope it will be applied to svn soon.

Until the next binary package is delivered, I recommend mac users who
use FlightGear-cvs-bin-20080918 update the plugin called osgdb_qt.so.
The plugin is available from:
http://macflightgear.sourceforge.net/wp-content/uploads/plugins/osgdb_qt.so

To update the plugin, follow the instructions below:
1) Open /Applications folder on Finder
2) Control-click (or right click) the FlightGear icon and select Show
Package Contents
3) Browse Contents/Resources/plugins folder
4) Copy (overwrite) the downloaded osgdb_qt.so to the plugin folder

I'll explain the problem for developers and curious users.

The problem is that QuickTime cannot handle gray-scaled rgb files
properly (QuickTime complains BadData error even it is not bad at
all). On Mac OS X, both osgdb_qt and osgdb_rgb plugins can handle rgb
files. osgdb_rgb handles only rgb(sgi) image files but osgdb_qt
handles many image files like rgb, png and jpg through QuickTime
functions.

In case that osgdb_qt is already loaded for handling some image files
it also handles rgb files instead of osgdb_rgb, otherwise osgdb_rgb is
loaded to handle these. So this problem occurs only when an rgba file
is being loaded after a png (or some other type of image) file is
loaded by osgdb_qt.so. Thus, on Mac OS X, the latest FlightGear/OSG
crashes while loading aircraft that have png files for splash image or
textures.

The best way, I believe, is to delete the code that let QuickTime
handle rgb files since these files can be handled (and more properly)
by osgdb_rgb.

Thanks goes to Scaba. The assumption he told me in IRC was right, and
it helped me find this bug much quicker.

Best,

Tat

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Re: [Flightgear-devel] Nasa Error

2008-09-23 Thread Melchior FRANZ
* Bohnert Paul -- Saturday 23 August 2008:
 Run FlightGear Multiplayer I noticed the following error;

 Nasal runtime error: floating point error in math.sin()
   at /usr/local/share/FlightGear/data/Nasal/geo.nas, line 169
   called from: /usr/local/share/FlightGear/data/Nasal/multiplayer.nas, line 
 298
   called from: /usr/local/share/FlightGear/data/Nasal/multiplayer.nas, line 
 323

 Not sure is it's a problem or not.

Probably not. Looks like some multiplayer script code tries to
create a geo.Coord() before lat/lon are actually set, so nil is
used, which creates the error message. Should be fixed nevertheless,
of course, be it only for cosmetic reasons.

m.

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Re: [Flightgear-devel] key-handler system allowing many actions with only few keyboard shortcuts

2008-09-23 Thread Melchior FRANZ
* Sébastien MARQUE -- Sunday 14 September 2008:
 I've created a system, which I think is new in FG as I've never
 seen it elsewhere.

The implementation is new, the idea isn't: John D. has suggested
such a feature. (I had started implementing it, but never finished.)
Having something like this globally available (not just in a few
aircraft) is IMHO desirable. It could be a quick way for experts
to make settings, in addition to the radio etc. dialogs. 

BTW: In your XML config you shouldn't re-invent the functionality
that the fgcommand(property-adjust) already offers.

The starting key should IMHO be ':', not (only) because vi uses it,
but probably for the same reason.

m.

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Re: [Flightgear-devel] Twice the same

2008-09-23 Thread gerard robin
On mardi 23 septembre 2008, Martin Spott wrote:
 Melchior FRANZ wrote:
  * gerard robin -- Tuesday 19 August 2008:
   When loading a JSB FDM Aircraft i get twice the same heading
   information.
 
  [...]
 
   I just wonder why :)
 
  No idea. Doesn't happen here. Maybe some local modification?

 I don't think so. I've seen this regularly with the PC-7 and the
 SenecaII. Maybe this is being triggered by some command line parameter
 which Gerard and I use, but you don't.

 Regards,
   Martin.

like this

[EMAIL PROTECTED]  ~]# /usr/local/bin/fgfs  --aircraft=T38  --airport=KSFO
  Model Author:  Aeromatic v 0.8, DPC
  Creation Date: 2004-01-01
  Version:   $Revision: 1.17 $
  Description:   Models a Northrop T-38
  Model Author:  Aeromatic v 0.8, DPC
  Creation Date: 2004-01-01
  Version:   $Revision: 1.17 $
  Description:   Models a Northrop T-38
running aar


-- 
Gérard
http://pagesperso-orange.fr/GRTux/

J'ai décidé d'être heureux parce que c'est bon pour la santé. 
Voltaire 


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Re: [Flightgear-devel] Twice the same

2008-09-23 Thread Martin Spott
gerard robin wrote:
 On mardi 23 septembre 2008, Martin Spott wrote:

  I don't think so. I've seen this regularly with the PC-7 and the
  SenecaII. Maybe this is being triggered by some command line parameter
  which Gerard and I use, but you don't.

 like this
 
 [EMAIL PROTECTED]  ~]# /usr/local/bin/fgfs  --aircraft=T38  --airport=KSFO
   Model Author:  Aeromatic v 0.8, DPC
   Creation Date: 2004-01-01
   Version:   $Revision: 1.17 $
   Description:   Models a Northrop T-38
   Model Author:  Aeromatic v 0.8, DPC
   Creation Date: 2004-01-01
   Version:   $Revision: 1.17 $
   Description:   Models a Northrop T-38
 running aar

Right. Removing:

  --prop:/environment/params/real-world-weather-fetch=true

from my ~/.fgfsrc apparently make the difference,

Martin.
-- 
 Unix _IS_ user friendly - it's just selective about who its friends are !
--

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Re: [Flightgear-devel] Twice the same

2008-09-23 Thread gerard robin
On mercredi 24 septembre 2008, Martin Spott wrote:
 gerard robin wrote:
  On mardi 23 septembre 2008, Martin Spott wrote:
   I don't think so. I've seen this regularly with the PC-7 and the
   SenecaII. Maybe this is being triggered by some command line parameter
   which Gerard and I use, but you don't.
 
  like this
 
  [EMAIL PROTECTED]  ~]# /usr/local/bin/fgfs  --aircraft=T38  --airport=KSFO
Model Author:  Aeromatic v 0.8, DPC
Creation Date: 2004-01-01
Version:   $Revision: 1.17 $
Description:   Models a Northrop T-38
Model Author:  Aeromatic v 0.8, DPC
Creation Date: 2004-01-01
Version:   $Revision: 1.17 $
Description:   Models a Northrop T-38
  running aar

 Right. Removing:

   --prop:/environment/params/real-world-weather-fetch=true

 from my ~/.fgfsrc apparently make the difference,

   Martin.

Right,  i have it permanently  in my system (nice,  to survey the weather in 
my country  :) )  

-- 
Gérard
http://pagesperso-orange.fr/GRTux/

J'ai décidé d'être heureux parce que c'est bon pour la santé. 
Voltaire 


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Re: [Flightgear-devel] Twice the same

2008-09-23 Thread Csaba Halász
On Wed, Sep 24, 2008 at 1:28 AM, Martin Spott [EMAIL PROTECTED] wrote:

 Right. Removing:

  --prop:/environment/params/real-world-weather-fetch=true

 from my ~/.fgfsrc apparently make the difference,

Same here. But if you use --enable-weather-fetch instead, it works.

-- 
Csaba/Jester

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