Hi John, I'm afraid I don't follow. Please have a look at examples like osghud, or the way that HUDs are done for the stats/help handlers.
Robert. On 8/28/07, Argentieri, John-P63223 <[EMAIL PROTECTED]> wrote: > Robert, > > If I have view frustum culling enabled, and I put the text on the screen > using native glOrtho() calls, but the text's transform only contains a > screen coordinate, would it get wiped out because of that? Should I be > using osg's transforms to make the HUD text? I think maybe it is being > culled when in fact it is being drawn on the screen using OpenGL > transforms. Does this sound feasible? > > John > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Robert > Osfield > Sent: Tuesday, August 28, 2007 4:48 AM > To: osg-users@lists.openscenegraph.org > Subject: Re: [osg-users] Calling drawImplementation manually > onaosgText::Text object > > Hi John, > > osgText::Text doesn't need an update traversal to sync itself after an > update, so it should be possible to update the text, draw the text, > update the text etc. As to why this doesn't work in your case I do not > know, its hardly a part of design spec for osgText. > > I would however suggest if you have multiple text entries on a single > then use multiple text objects. > > Robert. > > On 8/27/07, Argentieri, John-P63223 <[EMAIL PROTECTED]> wrote: > > Hi Robert. > > > > I got it to work a little bit better. I want our user to be able to > > call this multiple times on a single post-draw event. The way it is > > now, I am able to call the underlying osgText object's > > drawImplementation once and it looks correct. The next time I call it, > > > however, all I get is a series of squares where my letters should be. > > I am guessing that this is because it must receive a visitor on the > update traversal or something. > > Is there a way I can get around this too? > > > > Thanks for all of your help over the last several months! > > > > John > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of > > Robert Osfield > > Sent: Monday, August 27, 2007 3:33 PM > > To: osg-users@lists.openscenegraph.org > > Subject: Re: [osg-users] Calling drawImplementation manually on > > aosgText::Text object > > > > Hi John, > > > > The closest code to what you are trying to achieve can be found in the > > > osgProducer projects src/osgProducer/ViewerEventHandler.cpp where is > > sets up the and renders the stats and help. > > > > In 2.x and osgViewer's stats and help I just go ahead and use a full > > blown scene graph as it makes more things just more straight forward. > > > > Robert. > > > > On 8/27/07, Argentieri, John-P63223 <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > > Hello all, and long time no see! > > > > > > I am trying to create an osgText::Text object and call > > > drawImplementation on it manually. I think it is almost working. > > > Here is how I am setting up the RenderInfo that I am passing in: > > > > > > spState = new osg::State(); > > > spViewState = > > > spSceneView->getRenderInfo().getState(); > > > if( spViewState.valid() ) > > > { > > > spState->setGraphicsContext( > > > spViewState->getGraphicsContext() ); > > > spState->setContextID( spViewState->getContextID() ); > > > } > > > renderInfo = osg::RenderInfo( spState.get(), > > > spSceneView->getView() ); > > > > > > The problem is, that the textures are being lost. Can anyone help me > > > > to accomplish this without adding the osgText::Text to the > > > sceneview's > > > > > scene data? > > > > > > > > > Much appreciated! > > > John > > > _______________________________________________ > > > osg-users mailing list > > > osg-users@lists.openscenegraph.org > > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph. > > > org > > > > > > > > _______________________________________________ > > osg-users mailing list > > osg-users@lists.openscenegraph.org > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph. > > or > > g > > _______________________________________________ > > osg-users mailing list > > osg-users@lists.openscenegraph.org > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph. > > org > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.or > g > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
