Paul, Thanks so much. That helps point me in the right direction. Hopefully adding the code will be straight forward.
-B > -----Original Message----- > From: [email protected] [mailto:osg-users- > [email protected]] On Behalf Of Paul Martz > Sent: Wednesday, September 22, 2010 1:02 PM > To: OpenSceneGraph Users > Subject: Re: [osg-users] OpenFlight: Reading the "Extension Record" > > Hi Brad -- The original author of the importer isn't around these days, > though > he does make an occasional rare appearance. I wrote the exporter half > of the plugin. > > Looks like PrimaryRecords.cpp has a class, Extension, for processing an > Extension record, but it doesn't appear to parse/save any of the data. > Looks > like it just creates a Group node and assigns it the name from the > extension > record, then returns. You would probably want to add some code here to > handle > the extension record contents the way that you require. > > The code you quoted below pertains to handling the PushExtension and > PopExtension control records, which is only tangentially related to > Extension > records themselves. > -Paul > > > > Brad Colbert wrote: > > Paul, > > > > Thanks for the quick reply. > > > > I've looked through the source and find a lot of references to > > "Extension" but doubt that is what it's for. > > > > I was hoping to catch the eye of the author here. > > > > -B > > > > P.S. > > > > One example, I think may or may not be close: > > > > Document.cpp:void Document::pushExtension() > > Document.cpp: OSG_WARN << "No current primary in > > Document::pushExtension()." << std::endl; > > Document.cpp:void Document::popExtension() > > Document.cpp: OSG_WARN << "Can't decide primary in > > Document::popExtension()." << std::endl; > > Document.h: // Extension stack > > Document.h: void pushExtension(); > > Document.h: void popExtension(); > > > > > >> -----Original Message----- > >> From: [email protected] [mailto:osg-users- > >> [email protected]] On Behalf Of Paul Martz > >> Sent: Wednesday, September 22, 2010 10:35 AM > >> To: OpenSceneGraph Users > >> Subject: Re: [osg-users] OpenFlight: Reading the "Extension Record" > >> > >> Check the source code. If I recall correctly, the loader reads in > >> comment > >> records and stores them as UserData in the scene graph, but I'm not > >> sure about > >> extension records. The only way to know for certain is to check the > >> source. > >> -Paul > >> > >> > >> Brad Colbert wrote: > >>> Hello all, > >>> > >>> We would like to store some extra meta-data along with (embedded) > in > >> our > >>> OpenFlight models. Looking at the OpenFlight spec, there appears > to > >> be > >>> this thing called an "Extension Record" that can contain many > > things, > >>> even XML which is what we are interested in. > >>> > >>> To cut-to-the-chase, does the OpenFlight loader in OSG read in any > >> way > >>> these "Extension Record"s or, worse, preclude the reading of the > >> record? > >>> I know this is a pretty open question but I'm just starting to dig > >> into > >>> this. > >>> > >>> Any information will be more than I have now, thanks! > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users- > openscenegraph.org _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
