HI Alberto,
You would be best to put the viewer.realize() till after all the camera setup.
Robert.
On Wed, Nov 19, 2008 at 12:33 PM, Alberto Luaces <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I'm having some trouble trying to set some slave cameras, acting as HUDs. I
> have written a small program showing how I'm setting the graph. When running
> with 2.4.0, none of the slave views are shown. When compiling against SVN,
> the two are shown, but a crash happens when pressing 's' several times, so I
> have to be doing something wrong to get such different behaviours with
> several versions of the library. Currently osgWidget is not an option for me
> as I'm tied to 2.4.0 for this project. Here is the tiny code:
>
> #include <osgViewer/Viewer>
> #include <osgViewer/ViewerEventHandlers>
> #include <osgDB/ReadFile>
>
> void prepareCamera(osg::Camera *c, osgViewer::Viewer &v)
> {
> c->setGraphicsContext(v.getCamera()->getGraphicsContext());
> c->setProjectionMatrix(osg::Matrix::ortho2D(0,1024,0,768));
>
> c->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
> c->setViewMatrix(osg::Matrix::identity());
>
> c->setAllowEventFocus(false);
>
> v.addSlave(c, false);
> }
>
> int main()
> {
> osg::Camera *c1, *c2;
>
> c1 = new osg::Camera;
> c2 = new osg::Camera;
>
> osgViewer::Viewer v;
> v.addEventHandler(new osgViewer::StatsHandler());
> v.realize();
>
> prepareCamera(c1, v);
> c1->setViewport(200,100,1024+200,768+100);
> c1->setClearColor(osg::Vec4(1.0,0.0,0.0,1.0));
> c1->setRenderOrder(osg::Camera::POST_RENDER);
>
> prepareCamera(c2, v);
> c2->setViewport(0,0,1024,768);
> c2->setClearColor(osg::Vec4(0.0,1.0,0.0,1.0));
> c2->setRenderOrder(osg::Camera::POST_RENDER);
>
> v.getCamera()->setClearColor(osg::Vec4(0.3,0.3,0.3,0.0));
> v.getCamera()->setRenderOrder(osg::Camera::PRE_RENDER);
>
> v.run();
>
> return 0;
> }
>
>
> Thanks,
>
> Alberto
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