Re: [Flightgear-devel] Re: very long startup time

2005-08-26 Thread Ampere K. Hardraade
On August 25, 2005 04:12 pm, AJ MacLeod wrote:
 I don't know if this is exactly what you noticed, but I've just found that
 with today's CVS, if you have real-weather-fetch true in preferences.xml,
 FG won't start properly at all, but hangs immediately after startup in a
 manner almost identical to the current cygwin problem.

 AJ

I think that problem is due to metar data being too old.

Ampere

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Re: [Flightgear-devel] Re: very long startup time

2005-08-26 Thread Melchior FRANZ
On Thu, Aug 25, 2005 at 10:05:25AM -0700, Alex Romosan wrote:
 i've been looking at the metar code but it's a hopeless mess.

Oh, thanks. So we can hope that you'll provide something
better and add it to the long list of your quality contributions.
(Did you contribute *anything* so far?)

m.

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Re: [Flightgear-devel] Re: very long startup time

2005-08-26 Thread AJ MacLeod
On Friday 26 August 2005 07:34, Ampere K. Hardraade wrote:
 I think that problem is due to metar data being too old.

I don't know;  however, 0.9.8 seems perfectly happy with the same data.  Also, 
I've not once managed to get yesterdays' CVS to start with METAR enabled - 
surely the data would be unlikely to be out of date for every station (in 
several countries) I've tried over almost 24 hours?

I've just noticed that starting 0.9.8 at KSFO I get the following output in 
the terminal

Altitude = 13
Temp at alt (C) = 12
Temp sea level (C) = 12.0251
Altitude = 13
Dewpoint at alt (C) = 11
Dewpoint at sea level (C) = 11.0026

And seconds later, starting yesterdays CVS I get

Altitude = 13
Temp at alt (C) = 0
Temp sea level (C) = 0.0240539
Altitude = 13
Dewpoint at alt (C) = 0
Dewpoint at sea level (C) = 0.0026

So something's messed up there somewhere; does FG just set the variables it 
thinks are out of date to zero?  No proxies of any sort involved here I 
should add.

Anyway, since it's probably outside my capabilities to fix it, I'm sticking to 
testing and reporting.  Would be happy to try any tests or patches required 
to get to the bottom of it though.

AJ

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Re: [Flightgear-devel] Re: very long startup time

2005-08-25 Thread Melchior FRANZ
On Wed, Aug 24, 2005 at 01:47:12PM -0700, Alex Romosan wrote:
 http://weather.noaa.gov/pub/data/observations/metar/stations/KSFO.TXT

 2005/08/24 17:56
 KSFO 241756Z 04005KT 10SM FEW010 19/12 A2983 RMK AO2 SLP101 T01940122 10194 
 20122 51005
 
 but right now the time is: Wed Aug 24 20:45:35 UTC 2005
 
 so this would make the metar data too old indeed.

The date from the data set says when the data were
acquired. If you are sure that your computer has the
time correctly set, then this simply *is* old data.
Could be that NOAA hasn't updated in time, or that
you are running over a proxy that doesn't work
correctly. Try without http proxy.

m.

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Re: [Flightgear-devel] Re: very long startup time

2005-08-25 Thread Erik Hofman

Alex Romosan wrote:


code but it's a hopeless mess. in the meantime i've lost my
temperature and visibility etc. (they are all set to zero). it must be
some change i made but a cvs diff doesn't show any relevant changes.
strange, very strange.


I noticed this too. You will need to set the weather scenario to a 
different value than none.


Erik

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Re: [Flightgear-devel] Re: very long startup time

2005-08-25 Thread Curtis L. Olson

Erik Hofman wrote:


Alex Romosan wrote:


code but it's a hopeless mess. in the meantime i've lost my
temperature and visibility etc. (they are all set to zero). it must be
some change i made but a cvs diff doesn't show any relevant changes.
strange, very strange.



I noticed this too. You will need to set the weather scenario to a 
different value than none.



Perhaps none is not the best default value to come up with?

Curt.

--
Curtis Olsonhttp://www.flightgear.org/~curt
HumanFIRST Program  http://www.humanfirst.umn.edu/
FlightGear Project  http://www.flightgear.org
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Re: [Flightgear-devel] Re: very long startup time

2005-08-25 Thread AJ MacLeod
On Thursday 25 August 2005 18:12, Erik Hofman wrote:
 I noticed this too. You will need to set the weather scenario to a
 different value than none.

I don't know if this is exactly what you noticed, but I've just found that 
with today's CVS, if you have real-weather-fetch true in preferences.xml, 
FG won't start properly at all, but hangs immediately after startup in a 
manner almost identical to the current cygwin problem.

AJ

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Re: [Flightgear-devel] Re: very long startup time

2005-08-24 Thread Melchior FRANZ
On Tue, Aug 23, 2005 at 11:56:13AM +0200, Christian Mayer wrote:
 Melchior FRANZ schrieb:
  Check if your system time is set correctly.

 or it could ask an NTP-server for the correct time... but that's
 problaby going too far.

That's definitely going too far. Much too far. The OS is supposed
to deliver the right local time. We aren't going to add another
security layer for people who are too lazy/stupid to maintain
their operating system. But what I added on top of my TODO list
is more verbose and helpful error messages, and saner timeout
behaviour.

m.

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Re: [Flightgear-devel] Re: very long startup time

2005-08-23 Thread Melchior FRANZ
On Mon, Aug 22, 2005 at 03:03:11PM -0700, Alex Romosan wrote:
 looking at the trace logs it looks like fgfs goes through every metar
 station out there:
 
 Initializing environment subsystem
 2005/08/22 14:56
 KSFO 221456Z 0KT 10SM SCT007 OVC010 13/11 A2995 RMK AO2 SLP142 T01280106 
 53002 
 METAR from weather.noaa.gov
 METAR data too old
 no metar at metar = KSFO

Check if your system time is set correctly. If it's running
in the future or past, every metar data set will be too old/new
and fgfs searches for an acceptable one. (It should probably
stop trying after the first 10 failed sets.)

m.

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Re: [Flightgear-devel] Re: very long startup time

2005-08-23 Thread Christian Mayer
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Melchior FRANZ schrieb:
 On Mon, Aug 22, 2005 at 03:03:11PM -0700, Alex Romosan wrote:
 
looking at the trace logs it looks like fgfs goes through every metar
station out there:

Initializing environment subsystem
2005/08/22 14:56
KSFO 221456Z 0KT 10SM SCT007 OVC010 13/11 A2995 RMK AO2 SLP142 T01280106 
53002 
METAR from weather.noaa.gov
METAR data too old
no metar at metar = KSFO
 
 
 Check if your system time is set correctly. If it's running
 in the future or past, every metar data set will be too old/new
 and fgfs searches for an acceptable one. (It should probably
 stop trying after the first 10 failed sets.)

or it could ask an NTP-server for the correct time... but that's
problaby going too far.

CU,
Chris

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=FSrU
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