Yes, I noticed it some days ago and I was very happy to see, that the .osg is good like the .ac-format. Even better than the OSG-Example shows a nice way to have a chrome-shader - easy and without any fps-impact. That's something I really like on FGFS!
Greetings HHS --- "gh.robin" <[EMAIL PROTECTED]> schrieb: > > Hello, > In spite of an existing documentation Model-HowTo, > wish is accurate, > wouldn't it be useful, > to tell here, which mains 3D objects format can be > read by FlightGear, and how > the models can be made from several 3D objects > format ? > > Before the implementation of OpenSG, > and with the existing PLIB library > FlightGear was able to read several 3D objects > format, which are > 3DS, AC, DXF, MD2, MDL, OBJ, VRML1 > and probably others that i have forgotten. > > MANY thanks to the FG creators who create that > flexibility. > > With OpenSG, > FlightGear is able to read 3DC, 3DS, AC (which was > added by Mathias) DXF, > LWO, MD2, OBJ, OSG, VRML and probably others. > > You may build model (flying aircraft or static > objects) made of an assembly from several > <model>object each one can a be a > specific format. > > For instance, some object could be AC formats > others could be 3DS formats > => look at the nice A380 aircraft it is made of AC > and 3DS objects > > Within your data/Aircraft/A380/XML directory we > can read the A380 wing.xml > file > <PropertyList> > <path>../Models/wing.3ds</path> > <offsets> > <x-m>31.496</x-m> > <z-m>4.65804</z-m> > <pitch-deg>0.0</pitch-deg> > </offsets> > > ============== > > Within your data/Aircraft/A380/XML directory read > can read the A380.xml > file > > <PropertyList> > <path>../Models/a380.ac</path> > <offsets> > <z-m>-8.7</z-m> > <pitch-deg>0.0</pitch-deg> > </offsets> > <model> > <path>Aircraft/A380/XML/wing.xml</path> > </model> > > > > that xml files makes an assembly, with every objects > which where previously > defined like the wing.xml > > > That A380 existing example was there some years ago > (thanks to Ampere). > > You may notice this can be done with any 3D format > which can be read by the > reader plugins, some format could have some > internals animations, > I remember a topic, Users or Devel Mail (?) which > was talking about md2 > objects within FG (md2 can include animation). > A 3D object osg file (which can be read by OpenFG > only) may contains > animations like Particles, Shaders ........... or > nothing else than a static > model. > > There is no reason to ignore the model-howto > documentation for that .osg > format, so any model developer was and is able to > include it into the new or > the existing models. > > ===This not a new Feature=== > > Since these <model>object like any others, can be > animated within our xml > files (select , rotate, scale ..........) we may > control the position of > the object (the Catalina-OSG demo, has these > standard features, with the > wake and the spray) > There is only one difficulty we couldn't have any > control on the internal > MD2 animation from our xml file , and it seems we > can't have any control on > the internal OSG animation. > I hope i am wrong because the osg file may contains > some programmes, which > should help to have an external communication, and > being triggered > from the xml file. > > Again thanks to Mathias an Tim for the work on the > implementation of OpenSG, > an Ampere who demonstrate with his A380 that > feature. (i discovered > that "model multi format" feature with it). > > Regards > > -- > Gérard > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio > 2005. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Flightgear-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/flightgear-devel > __________________________________ Kennt man wirklich jeden über 3 Ecken? Die Antworten gibt's bei Yahoo! Clever. www.yahoo.de/clever ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Flightgear-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/flightgear-devel
