On Fri, 22 Jun 2007 23:27:51 +0100
"Vivian Meazza" <[EMAIL PROTECTED]> wrote:

> Syd
> 
> > Sent: 22 June 2007 20:18
> > To: FlightGear developers discussions
> > Subject: Re: [Flightgear-devel] [ANN] OSG - Improved Weather Radar
> > 
> > 
> > On Fri, 22 Jun 2007 16:56:34 +0100
> > "Vivian Meazza" <[EMAIL PROTECTED]> wrote:
> > 
> > > 
> > > 
> > > > -----Original Message-----
> > > Syd
> > >  
> > > > Sent: 22 June 2007 15:43
> > > > To: FlightGear developers discussions
> > > > Subject: Re: [Flightgear-devel] [ANN] OSG - Improved Weather Radar
> > > > 
> > > > 
> > > > On Fri, 22 Jun 2007 13:42:16 +0200
> > > > Melchior FRANZ <[EMAIL PROTECTED]> wrote:
> > > > 
> > > > > * Vivian Meazza -- Wednesday 13 June 2007:
> > > > > > Tim Moore has been hard at work recently (with the smallest of
> > > > > > inputs by me), and has ported the improved weather 
> > radar already 
> > > > > > available for plib to OSG.
> > > > > 
> > > > > No objections and other comments since the patches were
> > > > published on
> > > > > 2007/06/20. Because of the nearing release (not that we have the
> > > > > slightest idea when this could be :-) and the nature of 
> > the patch I 
> > > > > want to give developers one last chance to object: if 
> > > > nobody does that
> > > > > until tomorrow 2007/06/23 20:00 GMT, then I will:
> > > > > 
> > > > > (a) apply those radar patches to sg and fg for osg and plib
> > > > > (b) comment out the "delete rt" in
> > > > src/Instrumentation/od_gauge.cx:89
> > > > > 
> > > > > 
> > > > > 
> > > > > PRO ------------------------------------------------------------
> > > > > 
> > > > > + we have a nice c++ radar implementation in both 
> > branches, which
> > > > >   handles arbitrary numbers of AI/MP aircraft, ships, TACAN
> > > > >   emitting and other objects
> > > > > 
> > > > > + we can drop the quite clumsy and limited & limiting XML radar
> > > > >   implementation
> > > > > 
> > > > > + fixes a bug in AIManager (ask Vivian :-)
> > > > > 
> > > > > + instantiates impact sub-submodels in correct order
> > > > > 
> > > > > 
> > > > > 
> > > > > CONTRA ---------------------------------------------------------
> > > > > 
> > > > > - bigger commit despite the near(?) release, with potential risk
> > > > >   to break something
> > > > > 
> > > > >   BUT: + the patch touches only files that can hardly have side
> > > > >          effects on other subsystems, and isn't executed at all
> > > > >          when aircraft without od_gauge/radar are used (which
> > > > >          is the vast majority). So even if there'd be problems,
> > > > >          they would only affect the E3B, the T38(?), and ... the
> > > > >          harrier? And even then one could comment out the radar
> > > > >          instrument in the XML file and avoid all problems.
> > > > > 
> > > > >        + the patches were tested by, at least, Vivian, AJ,
> > > > >          Csaba "Jester"(?) and me, and found functional and not
> > > > >          causing problems, except the following (AJ and I):
> > > > > 
> > > > > - requires to comment out the destruction of the RTT class to
> > > > >   avoid crashes on exit on (some?) nVidia cards. That's hackish,
> > > > > 
> > > > >   BUT: + that's exactly what the 3D clouds are doing 
> > since years!
> > > > >          They don't destruct the RTT class either! Nobody has
> > > > >          reported problems that could be linked to that, none
> > > > >          of the developers has observed such problems (AFAIK).
> > > > > 
> > > > >        + that's exactly what the TestRenderTexture.cxx test
> > > > >          application by the very author of the RenderTexture
> > > > >          class does. He doesn't destruct the class 
> > either (except
> > > > >          before creating a new one during mode changes on user
> > > > >          request).
> > > > > 
> > > > >        + it can be assumed that the card frees this resource
> > > > >          like all others, when the context is destroyed, so the
> > > > >          buggy freeing operation via glXDestroyPbuffer() should
> > > > >          be optional in this case.
> > > > > 
> > > > > m.
> > > > 
> > > > Hi , I vote for adding it , and I've had that shutdown error
> > > > since I first used the wxradar ,it's not a new one here... 
> > > > Just my 2 cents worth :). Cheers
> > > > 
> > > 
> > > That's very interesting information. We suspected that this was a 
> > > longstanding problem, but had no evidence. And does Melchior's fix, 
> > > fix it for you?
> > > 
> > > V.
> > > 
> > Hi Vivian,
> > No I haven't tried the updated version yet ... anxiously 
> > awaiting CVS version ;).But I can try it first if you like , 
> > and see what I get ... Cheers
> > -- 
> >
> 
> It would be helpful if you could comment out "delete rt" in
> src/Instrumentation/od_gauge.cx around line #89, and tell us if that fixes
> the problem in the old code.
> 
> Thanks
> 
> Vivian
> 

Hi again,
I checked the source code , recent update , and "delete rt" is already 
commented out , so I recompiled and tried my Aerostar 700, which I recently 
added a weather radar to , and no more error message when I exit FG , so that 
must have done the trick ...
Cheers  
-- 
syd & sandy <[EMAIL PROTECTED]>

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