C++ NodePtr::addChild方法代码示例

void testObj::setActive( osg::NodePtr parent, bool active )
{
	if ( _isActive && ! active )
	{
		osg::addRefCP( node );
		parent->subChild( node );
	}
	else if ( ! _isActive && active )
 		parent->addChild( node );
	_isActive = active;
}

//.........这里部分代码省略.........
        SoNormalBinding* _Binding = ( SoNormalBinding* ) OIVNode;
        mCurrentState.NormalBinding = _Binding->value.getValue();

        // Return the old OSG node as the current OSG node
        return OSGNode;
    }


    ///////////////
    // Normal node
    ///////////////

    if( OIVNode->isOfType( SoNormal::getClassTypeId() ) )
    {
        // Save current normals
        mCurrentState.Normals = convertNormals( ( SoNormal* ) OIVNode );

        // Return the old OSG node as the current OSG node
        return OSGNode;
    }


    ///////////////////////
    // Transformation node
    ///////////////////////

    if( OIVNode->isOfType( SoTransform::getClassTypeId() ) )
    {
        osg::NodePtr _OSGTransform = convertTransformation( OIVNode );

        // Add the transformation to the current OSG node
        beginEditCP ( OSGNode, Node::ChildrenFieldMask );
        {
            OSGNode->addChild( _OSGTransform );
        }
        endEditCP   ( OSGNode, Node::ChildrenFieldMask );

        // Return the new transform node as the current OSG node
        return _OSGTransform;
    }

    ///////////////////////
    // MatrixTransformation node
    ///////////////////////

    if( OIVNode->isOfType( SoMatrixTransform::getClassTypeId() ) )
    {
        osg::NodePtr _OSGTransform = convertMatrixTransformation( OIVNode );

        // Add the transformation to the current OSG node
        beginEditCP ( OSGNode, Node::ChildrenFieldMask );
        {
            OSGNode->addChild( _OSGTransform );
        }
        endEditCP   ( OSGNode, Node::ChildrenFieldMask );

        // Return the new transform node as the current OSG node
        return _OSGTransform;
    }


    ////////////////////
    // Indexed face set
    ////////////////////

    if( OIVNode->isOfType( SoIndexedFaceSet::getClassTypeId() ) )

//.........这里部分代码省略.........
			reader = vtkXMLImageDataReader::New();
			vtkSmartPointer<vtkImageDataGeometryFilter> geoFilter =
			        vtkSmartPointer<vtkImageDataGeometryFilter>::New();
			geoFilter->SetInputConnection(reader->GetOutputPort());
			mapper->SetInputConnection(geoFilter->GetOutputPort());
		}
		if (fileExt.find("vtr") != string::npos)
		{
			reader = vtkXMLRectilinearGridReader::New();
			vtkSmartPointer<vtkGeometryFilter> geoFilter =
			        vtkSmartPointer<vtkGeometryFilter>::New();
			geoFilter->SetInputConnection(reader->GetOutputPort());
			mapper->SetInputConnection(geoFilter->GetOutputPort());
		}
		else if (fileExt.find("vts") != string::npos)
		{
			reader = vtkXMLStructuredGridReader::New();
			vtkSmartPointer<vtkGeometryFilter> geoFilter =
			        vtkSmartPointer<vtkGeometryFilter>::New();
			geoFilter->SetInputConnection(reader->GetOutputPort());
			mapper->SetInputConnection(geoFilter->GetOutputPort());
		}
		else if (fileExt.find("vtp") != string::npos)
		{
			reader = vtkXMLPolyDataReader::New();
			mapper->SetInputConnection(reader->GetOutputPort());
		}
		else if (fileExt.find("vtu") != string::npos)
		{
			reader = vtkXMLUnstructuredGridReader::New();
			vtkSmartPointer<vtkGeometryFilter> geoFilter =
			        vtkSmartPointer<vtkGeometryFilter>::New();
			geoFilter->SetInputConnection(reader->GetOutputPort());
			mapper->SetInputConnection(geoFilter->GetOutputPort());
		}
		else if (fileExt.find("vtk") != string::npos)
		{
			oldStyleReader = vtkGenericDataObjectReader::New();
			oldStyleReader->SetFileName(filename.c_str());
			oldStyleReader->Update();
			if(oldStyleReader->IsFilePolyData())
				mapper->SetInputConnection(oldStyleReader->GetOutputPort());
			else
			{
				vtkSmartPointer<vtkGeometryFilter> geoFilter =
				        vtkSmartPointer<vtkGeometryFilter>::New();
				geoFilter->SetInputConnection(oldStyleReader->GetOutputPort());
				mapper->SetInputConnection(geoFilter->GetOutputPort());
			}
		}
		else
		{
			cout << "Not a valid vtk file ending (vti, vtr, vts, vtp, vtu, vtk)" <<
			endl;
			return 1;
		}

		if (fileExt.find("vtk") == string::npos)
		{
			reader->SetFileName(filename.c_str());
			reader->Update();
		}

		vtkActor* actor = vtkActor::New();
		actor->SetMapper(mapper);

		vtkOsgConverter converter(actor);
		converter.SetVerbose(true);
		//converter->SetMapper(mapper);
		converter.WriteAnActor();
		OSG::NodePtr node = converter.GetOsgNode();
		replaceExt(filename, "osb");
		if (useSwitch)
		{
			beginEditCP(switchNode);
			switchNode->addChild(node);
			endEditCP(switchNode);
		}
		else
			OSG::SceneFileHandler::the().write(node, filename.c_str());

		if (reader)
			reader->Delete();
		if (oldStyleReader)
			oldStyleReader->Delete();
	}
	if (useSwitch)
	{
		string filename(filenames[0]);
		replaceExt(filename, "osb");
		OSG::SceneFileHandler::the().write(switchNode, filename.c_str());
	}
	//mapper->Delete(); // TODO crashes

	OSG::osgExit();

	cout << "File conversion finished" << endl;

	return 0;
}

void testRefCount(void)
{
#if 0
    OSG::NodePtr pNode = OSG::Node::create();

    OSG::NodePtr pNode1 = OSG::Node::create();

    fprintf(stderr, "1\n");

//XX
#if 0
    pNode.dump();
    pNode1.dump();
#endif

    pNode->addChild(pNode1);

    fprintf(stderr, "2\n");

//XX
#if 0
    pNode.dump();
    pNode1.dump();
#endif

    fprintf(stderr, "3\n");

//XX
#if 0
    pNode.dump();
    pNode1.dump();
#endif

    applyToAspect(1, false);
    applyToAspect(2);

    fprintf(stderr, "4\n");

//XX
#if 0
    pNode.dump();
    pNode1.dump();
#endif
    
    fprintf(stderr, "5\n");

//XX
#if 0
    pNode.dump();
    pNode1.dump();
#endif

    applyToAspect(1, false);

    fprintf(stderr, "6\n");

//XX
#if 0
    pNode.dump();
    pNode1.dump();
#endif

    applyToAspect(2);

    fprintf(stderr, "7\n");
#endif
}

int main( int argc, char *argv[] )
{
	// parse command line options
	parsecommandline( argc, argv );


	// OSG init
	osg::osgLog().setLogLevel(osg::LOG_WARNING);
	osg::osgInit(argc, argv);

	// disable display lists
	osg::FieldContainerPtr pProto= osg::Geometry::getClassType().getPrototype();
	osg::GeometryPtr pGeoProto = osg::GeometryPtr::dcast(pProto);
    if ( pGeoProto != osg::NullFC )
        pGeoProto->setDlistCache(false);

	// create the graph
	osg::NodePtr node;

	// root
	root = osg::Node::create();
	beginEditCP(root);
	root->setCore( osg::Group::create() );

	// beacon for camera and light
	osg::NodePtr beacon;
	beacon = osg::Node::create();
	beginEditCP(beacon);
	beacon->setCore( osg::Group::create() );
	endEditCP(beacon);

	// light
	light_node = osg::Node::create();
	osg::DirectionalLightPtr light = osg::DirectionalLight::create();
	beginEditCP( light_node );
	light_node->setCore( light );
	endEditCP( light_node );
	root->addChild( light_node );
	beginEditCP(light);
	light->setAmbient( .3, .3, .3, 1 );
	light->setDiffuse( 1, 1, 1, 1 );
	light->setDirection(0,0,1);
	light->setBeacon( beacon );
	endEditCP(light);

	// transformation, parent of beacon
	node = osg::Node::create();
	cam_trans = osg::Transform::create();
	beginEditCP(node);
	node->setCore( cam_trans );
	node->addChild( beacon );
	endEditCP(node);
	root->addChild( node );

	// finish scene graph
	endEditCP(root);

	// Camera
	osg::PerspectiveCameraPtr cam = osg::PerspectiveCamera::create();
	cam->setBeacon( beacon );
	cam->setFov( 50 );
	cam->setNear( 0.1 );
	cam->setFar( 10000 );

	// Background
	osg::SolidBackgroundPtr background = osg::SolidBackground::create();

	// Viewport
	osg::ViewportPtr vp = osg::Viewport::create();
	vp->setCamera( cam );
	vp->setBackground( background );
	vp->setRoot( root );
	vp->setSize( 0,0, 1,1 );

	if ( with_window )
	{
		// GLUT init
		glutInitWindowSize( 400, 400 );		// before glutInit so user can
		glutInitWindowPosition( 100, 100 );	// override with comannd line args
		glutInit(&argc, argv);
		glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
		int winid = glutCreateWindow("Polygon Intersection Check Test");
		glutKeyboardFunc(key);
		glutVisibilityFunc(vis);
		glutReshapeFunc(reshape);
		glutDisplayFunc(display);
		glutMouseFunc(mouse);
		glutMotionFunc(motion);

		glutIdleFunc(display);

		glEnable( GL_DEPTH_TEST );
		glEnable( GL_LIGHTING );
		glEnable( GL_LIGHT0 );

		// Window
		osg::GLUTWindowPtr gwin;
		GLint glvp[4];
		glGetIntegerv( GL_VIEWPORT, glvp );
		gwin = osg::GLUTWindow::create();
//.........这里部分代码省略.........

	void SimulationEngine::createChildVisualEntity(osg::NodePtr parentNode, 
		/*osg::TransformPtr trans,*/ const opal::ShapeData* data, const std::string& name, 
		const std::string& materialName)
	{
		// Create an Ogre SceneNode for the Entity.		
		osg::Matrix m;
		
		opal::Point3r offsetPos = data->offset.getPosition();
		//Ogre::Vector3 translationOffset(offsetPos[0], offsetPos[1], 
			//offsetPos[2]);
		opal::Quaternion offsetQuat = data->offset.getQuaternion();
		//Ogre::Quaternion rotationOffset;
		//rotationOffset.x = offsetQuat.x;
		//rotationOffset.y = offsetQuat.y;
		//rotationOffset.z = offsetQuat.z;
		//rotationOffset.w = offsetQuat.w;
		
		//Ogre::SceneNode* newChildNode = NULL;
		//Ogre::Entity* e = NULL;
		
		// OSG covention: we need one new node and transformation
		osg::NodePtr newChildNode; //= osg::Node::create();
		osg::TransformPtr newTransCore = osg::Transform::create();	
		
		osg::beginEditCP(newTransCore);
			m.setIdentity();
				
   			m.setTranslate(
   						(osg::Real32)offsetPos[0], 
   						(osg::Real32)offsetPos[1], 
						(osg::Real32)offsetPos[2]);
			
  			m.setRotate(
  						osg::Quaternion(
  							osg::Vec3f(
  								(osg::Real32)offsetQuat[1],
  								(osg::Real32)offsetQuat[2],
  								(osg::Real32)offsetQuat[3]), 
  							(osg::Real32)offsetQuat[0]));
  				
            newTransCore->setMatrix(m);
       	osg::endEditCP(newTransCore);
		
		switch(data->getType())
		{
			case opal::BOX_SHAPE:
			{				
				//newChildNode = parentNode->createChildSceneNode(name, 
					//translationOffset, rotationOffset);	

				// Scale the object according to the given dimensions.
				opal::Vec3r boxDim = static_cast<const opal::BoxShapeData*>
					(data)->dimensions;
					
				//Ogre::Vector3 dimensions(boxDim[0], boxDim[1], boxDim[2]);
				//newChildNode->scale(dimensions[0], dimensions[1], 
					//dimensions[2]);
					
				//create the geometry which we will assign a texture to
				newChildNode = osg::makeBox((osg::Real32)boxDim[0],
											(osg::Real32)boxDim[1],
											(osg::Real32)boxDim[2],1,1,1);

				// Create an Ogre Entity using a cube mesh.  This mesh must be 
				// stored as a box with dimensions 1x1x1.
				//e = mOgreSceneMgr->createEntity(name, "cube.mesh");
				//e->setMaterialName(materialName);

				// Keep the normals normalized even after scaling.
				//e->setNormaliseNormals(true);

				// Attach the Entity to the SceneNode.
				//newChildNode->attachObject(e);
				
				//osg::beginEditCP(parentNode, osg::Node::CoreFieldMask | osg::Node::ChildrenFieldMask);
				osg::beginEditCP(parentNode);
    				parentNode->setCore(newTransCore);
    				parentNode->addChild(newChildNode);
    			osg::endEditCP(parentNode);
				//osg::endEditCP(parentNode, osg::Node::CoreFieldMask | osg::Node::ChildrenFieldMask);				
				  				
				break;
			}

			case opal::SPHERE_SHAPE:
			{
				//newChildNode = parentNode->createChildSceneNode(name, 
					//translationOffset, rotationOffset);

				// Scale the object according to the given dimensions.
				//Ogre::Real radius = static_cast<const opal::SphereShapeData*>
					//(data)->radius;
				//newChildNode->scale(radius, radius, radius);
				
				opal::real radius = static_cast<const opal::SphereShapeData*>
					(data)->radius;
					
				newChildNode = osg::makeSphere(3, (osg::Real32)radius);

				// Create an Ogre Entity using a sphere mesh.  This mesh must be 
//.........这里部分代码省略.........

int main( int argc, char *argv[] )
{

	// OSG init
	osg::osgLog().setLogLevel(osg::LOG_WARNING);
	osg::osgInit(argc, argv);

	// parse command line options
	parsecommandline( argc, argv );

	// disable display lists
	osg::FieldContainerPtr pProto= osg::Geometry::getClassType().getPrototype();
	osg::GeometryPtr pGeoProto = osg::GeometryPtr::dcast(pProto);
    if ( pGeoProto != osg::NullFC )
        pGeoProto->setDlistCache(false);

	// create the graph
	osg::NodePtr node;

	// root
	root = osg::Node::create();
	beginEditCP(root);
	root->setCore( osg::Group::create() );

	// beacon for camera and light
	osg::NodePtr beacon;
	beacon = osg::Node::create();
	beginEditCP(beacon);
	beacon->setCore( osg::Group::create() );
	endEditCP(beacon);

	// light
	light_node = osg::Node::create();
	osg::DirectionalLightPtr light = osg::DirectionalLight::create();
	beginEditCP( light_node );
	light_node->setCore( light );
	root->addChild( light_node );
	beginEditCP(light);
	light->setAmbient( .3, .3, .3, 1 );
	light->setDiffuse( 1, 1, 1, 1 );
	light->setDirection(0,0,1);
	light->setBeacon( beacon );
	endEditCP(light);

	// transformation, parent of beacon
	node = osg::Node::create();
	cam_trans = osg::Transform::create();
	beginEditCP(node);
	node->setCore( cam_trans );
	node->addChild( beacon );
	endEditCP(node);
	root->addChild( node );

	// Camera
	osg::PerspectiveCameraPtr cam = osg::PerspectiveCamera::create();
	cam->setBeacon( beacon );
	cam->setFov( 50 );
	cam->setNear( 0.1 );
	cam->setFar( 10000 );

	// Background
	osg::SolidBackgroundPtr background = osg::SolidBackground::create();
	if ( White_background )
	{
		beginEditCP( background );
		background->setColor(osg::Color3f(1,1,1));
		endEditCP( background );
	}

	// Viewport
	osg::ViewportPtr vp = osg::Viewport::create();
	vp->setCamera( cam );
	vp->setBackground( background );
	vp->setRoot( root );
	vp->setSize( 0,0, 1,1 );

	if ( With_window )
	{
		// GLUT init
		glutInitWindowSize( 400, 400 );		// before glutInit so user can
		glutInitWindowPosition( 100, 100 );	// override with comannd line args
		glutInit(&argc, argv);
		glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
		int winid = glutCreateWindow("Collision Benchmark");
		glutKeyboardFunc(key);
		glutVisibilityFunc(vis);
		glutReshapeFunc(reshape);
		glutDisplayFunc(display);
		glutMouseFunc(mouse);
		glutMotionFunc(motion);

		glutIdleFunc(display);

		glEnable( GL_DEPTH_TEST );
		glEnable( GL_LIGHTING );
		glEnable( GL_LIGHT0 );
		glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);

		// Window
		osg::GLUTWindowPtr gwin;
//.........这里部分代码省略.........

NodePtr createScoreBoards()
{
	GeometryPtr geo;
	NodePtr bg;
	SimpleMaterialPtr m;
	ScoreBoard1 = new TextStuff() ;
	ScoreBoard2 = new TextStuff() ;

	// First get the global group node
    OSG::NodePtr scoreBoardsNodePtr = OSG::Node::create();
    scoreBoardsNodePtr->setCore(OSG::Group::create());

    // Setup text 1
    ScoreBoard1->initialize();
    ScoreBoard1->updateFace();
    ScoreBoard1->updateScore(0,0);
    // Setup text 2
    ScoreBoard2->initialize();
    ScoreBoard2->updateFace();
    ScoreBoard2->updateScore(0,0);

	////////// 1 /////////
	// make its transform
	TransformPtr trans1;
    NodePtr trans_node1 = makeCoredNode<Transform>(&trans1);
    beginEditCP(trans1);
		trans1->getMatrix().setTransform(Vec3f(0,4,-10.5),Quaternion( Vec3f(0,1,0),deg2rad(0)));
    endEditCP(trans1);

	// make geometry
	bg = makePlane(9.3, 1, 8,2);
	 m= SimpleMaterial::create();
    beginEditCP(m);
    {		
        m->setAmbient      (Color3f(0,0,0));
        m->setDiffuse      (Color3f(0.0,0.0,0.0));
    }
    endEditCP  (m);  
	geo = GeometryPtr::dcast(bg->getCore());  
    beginEditCP(geo);
		geo->setMaterial(m);
    beginEditCP(geo);

	beginEditCP(bg);
	bg->addChild(ScoreBoard1->mRootNode);
	endEditCP(bg);

	beginEditCP(trans_node1);
		trans_node1->addChild(bg);
	endEditCP(trans_node1);

	////////// 2 /////////
	// make its transform
	TransformPtr trans2;
    NodePtr trans_node2 = makeCoredNode<Transform>(&trans2);
    beginEditCP(trans2);
		trans2->getMatrix().setTransform(Vec3f(0,4,10.5),Quaternion( Vec3f(0,1,0),deg2rad(180)));
    endEditCP(trans2);

	// make geometry
	bg = makePlane(9.3, 1, 8,2);
	m = SimpleMaterial::create();
    beginEditCP(m);
    {		
        m->setAmbient      (Color3f(0,0,0));
        m->setDiffuse      (Color3f(0.0,0.0,0.0));
    }
    endEditCP  (m);  
	geo = GeometryPtr::dcast(bg->getCore());  
    beginEditCP(geo);
		geo->setMaterial(m);
    beginEditCP(geo);

	beginEditCP(bg);
	bg->addChild(ScoreBoard2->mRootNode);
	endEditCP(bg);

	beginEditCP(trans_node2);
		trans_node2->addChild(bg);
	endEditCP(trans_node2);


	beginEditCP(scoreBoardsNodePtr);
		scoreBoardsNodePtr->addChild(trans_node1);
		scoreBoardsNodePtr->addChild(trans_node2);
	endEditCP(scoreBoardsNodePtr);
  

    return scoreBoardsNodePtr;
}