wrong :-) .. In the update callback get a handle of the main camera :-) Cheers, Nick
On Wed, May 4, 2016 at 6:17 PM, Trajce Nikolov NICK < trajce.nikolov.n...@gmail.com> wrote: > hi, > > you can do an UpdateCallback for your ortho camera that will set the > proper dimensions based on the Viewport > > something like this: > struct UpdateOrthoCameraCallback : public osg::NodeCallback > { > virtual void operator()(osg::Node* node, osg::NodeVisitor* nv); > { > osg::Camera* camera = dynamic_cast<osg::Camera*>(node); > if (camera) > { > osg::Viewport* vp = camera->getViewport(); > camera->setProjectionMatrix(osg::Matrixd::ortho2D(0, vp->width(), 0, > vp->height())); > } > } > }; > myOrthoCamera->setUpdateCallback(new UpdateOrthoCameraCallback); > > On Tue, May 3, 2016 at 11:35 AM, John Lee <357059...@qq.com> wrote: > >> Hi, >> >> First, I drew some tags dynamically using HUD camera on the render window >> size which is 1100X679, but when I change the length-width ratio of the >> render window size, the tags positions changed and it was wrong. >> Can anyone tell me how can i solve this problem. >> >> Thank you! >> >> Cheers, >> Lee >> >> ------------------ >> Read this topic online here: >> http://forum.openscenegraph.org/viewtopic.php?p=67044#67044 >> >> >> >> >> Attachments: >> http://forum.openscenegraph.org//files/2_198.png >> http://forum.openscenegraph.org//files/1_180.png >> >> >> _______________________________________________ >> osg-users mailing list >> osg-users@lists.openscenegraph.org >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> > > > > -- > trajce nikolov nick > -- trajce nikolov nick
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