> -----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.


-------------------------------------------------------------------------
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/
_______________________________________________
Flightgear-devel mailing list
Flightgear-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/flightgear-devel

Reply via email to