Mise en place d'un viewer osg qui tient la route.

+#include "osgviewer.h"
+#include <osgViewer/ViewerEventHandlers>
+#include <osgGA/StateSetManipulator>
+#include <osgGA/TrackballManipulator>
+#include <osg/DisplaySettings>
+#include <osg/GraphicsContext>
+#include <QGridLayout>
+#include <iostream>
+
+
+OSGViewer::OSGViewer(QObject *parent) :
+    osgQt::GLWidget(dynamic_cast<QWidget*>(parent))
+{
+    viewer = new osgViewer::Viewer();
+    osgQt::GraphicsWindowQt* graphicsWindow = new osgQt::GraphicsWindowQt(this);
+
+    viewer->setThreadingModel(osgViewer::Viewer::AutomaticSelection);
+    resize(640,480);
+
+    viewer->getCamera()->setGraphicsContext(graphicsWindow);
+
+    viewer->getCamera()->setViewport(new osg::Viewport(0,0,width(),height()));
+
+    if (!viewer->getCameraManipulator() && viewer->getCamera()->getAllowEventFocus())
+        viewer->setCameraManipulator(new osgGA::TrackballManipulator());
+
+    viewer->addEventHandler(new osgViewer::StatsHandler);
+    viewer->addEventHandler(new osgViewer::WindowSizeHandler);
+    viewer->addEventHandler(new osgGA::StateSetManipulator(viewer->getCamera()->getOrCreateStateSet()));
+    osgQt::setViewer(viewer);
+}

+#ifndef __OSGVIEWER_H__
+#define __OSGVIEWER_H__
+
+#include <QObject>
+#include <QWidget>
+#include <osgViewer/Viewer>
+#include <osgQt/GraphicsWindowQt>
+#include <QTimer>
+#include <iostream>
+
+class OSGViewer : public osgQt::GLWidget
+{
+    Q_OBJECT
+public:
+    explicit OSGViewer(QObject *parent = 0);
+        
+public slots:
+    void setSceneData(osg::Object *object)
+    {
+        osg::Node* node = dynamic_cast<osg::Node*>(object);
+        if (node)
+        {
+            viewer->setSceneData(node);
+        }
+    }
+
+    void realize() { show(); redrawScene(); }
+
+
+private slots:
+    void redrawScene() { viewer->frame(); QTimer::singleShot(25,this,SLOT(redrawScene())); }
+
+private:
+    osgViewer::Viewer* viewer;
+};
+
+#endif // OSGVIEWER_H