Re: [Flightgear-devel] northern hemisphere vs southern hemisphere

2009-02-23 Thread Heiko Schulz


 
The bo105 doesn't use Nasal for blade bending.


noticed, so it is indeed a bug in hardcode. Maik has already a patch and is in 
test on helijah. I wait for the results, because this bug could be also the 
cause for the sliding.
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Re: [Flightgear-devel] northern hemisphere vs southern hemisphere

2009-02-22 Thread Heiko Schulz
Hi,
I had just a test, and I'm not sure about a mistake in Rotorpart.cpp. I had 
just a test with the Ec135 and it wirk like it should. 

Bo105 and S64E Skycrane using Nasal for the blade bending, the ec135 not!
So it could be that it has to do with the nasal code instead then rather a bug 
in the code!
HHS
Hi Emmanuel,

good finding.

It seems, that I am mixing up different coordinate systems in line 389 of 
Rotorpart.cpp

   float relgrav = Math::dot3(_normal,_rotor-getGravDirection());

While _normal is within the coordinate system of the helicopter, 
_rotor-getGravDirection() is in the world coordinate system.

The enclosed patch should fix this. Unfortunately flightgear does not run on my 
machine actually. I would be thankful, if someone could check, if the patch 
works.

Best regards,
Maik

BARANGER Emmanuel schrieb am 21.02.2009 20:28:
 Hi all,
 
 After some tests, I just discovered something amusing in FG.
 
 In fact, you do not know can be, but the gravity is reversed between the 
 northern hemisphere and southern hemisphere. Finally it is the impression 
 that it was ;)
 
 Look the Bo105 in northen hemisphere : http://helijah.free.fr/LFKJ2.png
 the same in southern hemisphere : http://helijah.free.fr/FACT2.png
 
 Or the Aircrane (blades longer) in northen hemisphere : 
 http://helijah.free.fr/LFKJ.png
 and in southern hemisphere : http://helijah.free.fr/FACT.png
 
 Although this will not interfere with many of us. Many of us live in the 
 northern hemisphere. But what should we say to those who live in the southern 
 hemisphere ?
 
 Funny is not it ?
 
 Best regards. Emmanuel
 
 -- BARANGER Emmanuel
 
 http://helijah.free.fr
 http://helijah.free.fr/flightgear/hangar.htm
 http://helijah.free.fr/flightgear/H4-Hercules.htm
 http://helijah.free.fr/flightgear/flightgear.htm
 http://www.jamendo.com/fr/album/27163
   
 
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 -Strategies to boost innovation and cut costs with open source participation
 -Receive a $600 discount off the registration fee with the source code: SFAD
 http://p.sf.net/sfu/XcvMzF8H
 
 
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Re: [Flightgear-devel] northern hemisphere vs southern hemisphere

2009-02-22 Thread Maik Justus
Hi Heiko
Heiko Schulz schrieb am 22.02.2009 13:41:
 Hi,
 I had just a test, and I'm not sure about a mistake in Rotorpart.cpp. I had 
 just a test with the Ec135 and it wirk like it should. 

 Bo105 and S64E Skycrane using Nasal for the blade bending, the ec135 not!
 So it could be that it has to do with the nasal code instead then rather a 
 bug in the code!
 HHS

   
I would be not surprised, if the mistake is within rotorpart.cpp. And 
this could be the cause for the sliding of the helicopters on the ground.

Maik


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Re: [Flightgear-devel] northern hemisphere vs southern

2009-02-22 Thread BARANGER Emmanuel
Hi Maik,

I just tested your patch. This seems to work properly. I continue testing

Best regards. Emmanuel

Maik Justus wrote:

 Hi Emmanuel,

 good finding.

 It seems, that I am mixing up different coordinate systems in line 389 
 of Rotorpart.cpp

 float relgrav = Math::dot3(_normal,_rotor-getGravDirection());

 While _normal is within the coordinate system of the helicopter, 
 _rotor-getGravDirection() is in the world coordinate system.

 The enclosed patch should fix this. Unfortunately flightgear does not 
 run on my machine actually. I would be thankful, if someone could check, 
 if the patch works.

 Best regards,
 Maik




-- 
BARANGER Emmanuel

http://helijah.free.fr
http://helijah.free.fr/flightgear/hangar.htm
http://helijah.free.fr/flightgear/H4-Hercules.htm
http://helijah.free.fr/flightgear/flightgear.htm
http://www.jamendo.com/fr/album/27163


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Re: [Flightgear-devel] northern hemisphere vs southern

2009-02-22 Thread Maik Justus
Hello Emmanuel,
BARANGER Emmanuel schrieb am 22.02.2009 20:40:
 Hi Maik,

 I just tested your patch. This seems to work properly. I continue testing

 Best regards. Emmanuel
   
Thank you very much.
Can you check, if the sliding on ground (with engine off) is reduced?

Best regards,
Maik

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[Flightgear-devel] northern hemisphere vs southern hemisphere

2009-02-21 Thread BARANGER Emmanuel

Hi all,

After some tests, I just discovered something amusing in FG.

In fact, you do not know can be, but the gravity is reversed between the 
northern hemisphere and southern hemisphere. Finally it is the 
impression that it was ;)


Look the Bo105 in northen hemisphere : http://helijah.free.fr/LFKJ2.png
the same in southern hemisphere : http://helijah.free.fr/FACT2.png

Or the Aircrane (blades longer) in northen hemisphere : 
http://helijah.free.fr/LFKJ.png

and in southern hemisphere : http://helijah.free.fr/FACT.png

Although this will not interfere with many of us. Many of us live in the 
northern hemisphere. But what should we say to those who live in the 
southern hemisphere ?


Funny is not it ?

Best regards. Emmanuel

--
BARANGER Emmanuel

http://helijah.free.fr
http://helijah.free.fr/flightgear/hangar.htm
http://helijah.free.fr/flightgear/H4-Hercules.htm
http://helijah.free.fr/flightgear/flightgear.htm
http://www.jamendo.com/fr/album/27163

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Re: [Flightgear-devel] northern hemisphere vs southern hemisphere

2009-02-21 Thread 黄志勇
BARANGER,
It's really funny! :)!

Huang.
在2009-02-22,BARANGER Emmanuel embaran...@free.fr 写道:
Hi all,

After some tests, I just discovered something amusing in FG.

In fact, you do not know can be, but the gravity is reversed between the 
northern hemisphere and southern hemisphere. Finally it is the impression that 
it was ;)

Look the Bo105 in northen hemisphere : http://helijah.free.fr/LFKJ2.png
the same in southern hemisphere : http://helijah.free.fr/FACT2.png

Or the Aircrane (blades longer) in northen hemisphere : 
http://helijah.free.fr/LFKJ.png
and in southern hemisphere : http://helijah.free.fr/FACT.png

Although this will not interfere with many of us. Many of us live in the 
northern hemisphere. But what should we say to those who live in the southern 
hemisphere ?

Funny is not it ?

Best regards. Emmanuel


-- 
BARANGER Emmanuel

http://helijah.free.frhttp://helijah.free.fr/flightgear/hangar.htmhttp://helijah.free.fr/flightgear/H4-Hercules.htmhttp://helijah.free.fr/flightgear/flightgear.htmhttp://www.jamendo.com/fr/album/27163--
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