C++ NodeUnrecPtr::setCore方法代码示例

TEST_FIXTURE(FileFixture, TestNameRetention)
{
   std::string start_name("node");
   OSG::NodeUnrecPtr n = OSG::Node::create();
   OSG::setName(n, start_name);
   n->setCore(OSG::Group::create());

   CHECK(!bf::exists(test_file));
   OSG::SceneFileHandler::the()->write(n, test_file.native_file_string().c_str());
   CHECK(bf::exists(test_file));

   OSG::NodeUnrecPtr new_n =
      OSG::SceneFileHandler::the()->read(test_file.native_file_string().c_str());
   CHECK(new_n != NULL);
   CHECK(OSG::getName(new_n) != NULL);
   std::string cur_name = std::string(OSG::getName(new_n));

   CHECK(cur_name == start_name);
}

void VTKPolyDataMapper::initGeometries(void)
{
    NodeUnrecPtr pRoot = Node::create();
    
    pRoot->setCore(Group::create());

    setRoot(pRoot);

    for(UInt32 i = 0; i < 4; ++i)
    {
        GeometryUnrecPtr           pGeo      = Geometry::create();
    
        ChunkMaterialUnrecPtr      pMat      = ChunkMaterial::create();
        MaterialChunkUnrecPtr      pMatChunk = MaterialChunk::create();
        
        GeoPnt3fPropertyUnrecPtr   pPoints   = GeoPnt3fProperty  ::create();
        GeoUInt32PropertyUnrecPtr  pLengths  = GeoUInt32Property ::create();
        GeoUInt8PropertyUnrecPtr   pTypes    = GeoUInt8Property  ::create();
        GeoColor4fPropertyUnrecPtr pColors   = GeoColor4fProperty::create();
        GeoVec3fPropertyUnrecPtr   pNormals  = GeoVec3fProperty  ::create();

        if(i < 2)
        {
            pMatChunk->setLit(false);
        }
        
        pMatChunk->setDiffuse  (OSG::Color4f(1.0, 1.0, 1.0, 1.0));
        pMatChunk->setSpecular (OSG::Color4f(0.0, 0.0, 0.0, 1.0));
        pMatChunk->setShininess(10.0f);
        
        pMat->addChunk(pMatChunk);

        TwoSidedLightingChunkUnrecPtr pTSLChunk = 
            TwoSidedLightingChunk::create();
            
        pMat->addChunk(pTSLChunk);

        pGeo->setDlistCache(false   );
        
        pGeo->setMaterial  (pMat    );
        pGeo->setPositions (pPoints );
        pGeo->setLengths   (pLengths);
        pGeo->setTypes     (pTypes  );
        pGeo->setColors    (pColors );

        if(i > 1)
        {
            pGeo->setNormals(pNormals);
        }

        OSG::NodeUnrecPtr pGeoRoot = OSG::Node::create();
        
        pGeoRoot->setCore    (pGeo);
        pGeoRoot->setTravMask(0   );

        pRoot->addChild(pGeoRoot);

        this->pushToGeometries    (pGeo     );
        this->pushToMaterials     (pMat     );
        this->pushToMaterialChunks(pMatChunk);
        this->pushToPositions     (pPoints  );
        this->pushToLength        (pLengths );
        this->pushToTypes         (pTypes   );
        this->pushToColors        (pColors  );
        this->pushToNormals       (pNormals );
        this->pushToGeoRoots      (pGeoRoot );
    }
}

//.........这里部分代码省略.........
    OSG::TextureEnvChunkUnrecPtr tex_earth_night_env = 
        OSG::TextureEnvChunk::create();

    tex_earth_night->setImage(earth_night_map_img);
    tex_earth_night->setMinFilter(GL_LINEAR_MIPMAP_LINEAR);
    tex_earth_night->setMagFilter(GL_LINEAR);
    tex_earth_night->setWrapS(GL_REPEAT);
    tex_earth_night->setWrapT(GL_REPEAT);

    tex_earth_night_env->setEnvMode(GL_MODULATE);
    
    // Read the image for the normal texture
    OSG::ImageUnrecPtr earth_clouds_map_img = OSG::Image::create();
    if(!earth_clouds_map_img->read("EarthClouds.jpg"))
    {
        fprintf(stderr, "Couldn't read texture 'EarthClouds.jpg'\n");
        return 1;
    }

    OSG::TextureObjChunkUnrecPtr tex_earth_clouds     = 
        OSG::TextureObjChunk::create();
    OSG::TextureEnvChunkUnrecPtr tex_earth_clouds_env = 
        OSG::TextureEnvChunk::create();

    tex_earth_clouds->setImage(earth_clouds_map_img);
    tex_earth_clouds->setMinFilter(GL_LINEAR_MIPMAP_LINEAR);
    tex_earth_clouds->setMagFilter(GL_LINEAR);
    tex_earth_clouds->setWrapS(GL_REPEAT);
    tex_earth_clouds->setWrapT(GL_REPEAT);

    tex_earth_clouds_env->setEnvMode(GL_MODULATE);


    _shl = OSG::ShaderProgramChunk::create();

    _shl_vp = OSG::ShaderProgram::create();
    _shl_fp = OSG::ShaderProgram::create();
    
    if(!_shl_vp->readProgram("Earth.vp"))
        fprintf(stderr, "Couldn't read vertex program 'Earth.vp'\n");
    if(!_shl_fp->readProgram("Earth.fp"))
        fprintf(stderr, "Couldn't read fragment program 'Earth.fp'\n");

    _shl_vp->setShaderType(GL_VERTEX_SHADER);
    _shl_fp->setShaderType(GL_FRAGMENT_SHADER);

    _shl->addVertexShader  (_shl_vp);
    _shl->addFragmentShader(_shl_fp);

    _shl_fp->addUniformVariable("EarthDay", 0);
    _shl_fp->addUniformVariable("EarthNight", 1);
    _shl_fp->addUniformVariable("EarthCloudGloss", 2);

    _shl_vp->addUniformVariable("season", 0.0f);
    _shl_vp->addUniformVariable("cos_time_0_2PI", -0.406652f);
    _shl_vp->addUniformVariable("sin_time_0_2PI", -0.913583f);
//    _shl->setUniformParameter("foo", -0.913583f);

    
    cmat->addChunk(_shl);
    cmat->addChunk(tex_earth);
    cmat->addChunk(tex_earth_env);
    cmat->addChunk(tex_earth_night);
    cmat->addChunk(tex_earth_night_env);
    cmat->addChunk(tex_earth_clouds);
    cmat->addChunk(tex_earth_clouds_env);


    // create root node
    _scene = OSG::Node::create();

    OSG::GeometryUnrecPtr geo = OSG::makeLatLongSphereGeo (100, 100, 1.0);

    geo->setMaterial(cmat);


    OSG::NodeUnrecPtr torus = OSG::Node::create();
    
    torus->setCore(geo);


    // add torus to scene
    OSG::GroupUnrecPtr group = OSG::Group::create();

    _scene->setCore(group);
    _scene->addChild(torus);


    // create the SimpleSceneManager helper
    _mgr = OSG::SimpleSceneManager::create();

    // tell the manager what to manage
    _mgr->setWindow(gwin );
    _mgr->setRoot(_scene);

    // show the whole scene
    _mgr->showAll();

    return 0;
}

// Initialize GLUT & OpenSG and set up the scene
int main(int argc, char **argv)
{
    printf("Usage: testCGShader <filename.vp> <filename.fp>\n");

    if( argc < 3 )
        return 0;
    
    // OSG init
    OSG::osgInit(argc,argv);

    // GLUT init
    int winid = setupGLUT(&argc, argv);

    // the connection between GLUT and OpenSG
    OSG::GLUTWindowUnrecPtr gwin= OSG::GLUTWindow::create();
    gwin->setGlutId(winid);
    gwin->setSize( 800, 800 );
    gwin->init();

    // Create the shader material
    OSG::ChunkMaterialUnrecPtr cmat = OSG::ChunkMaterial::create();

    OSG::MaterialChunkUnrecPtr matc = OSG::MaterialChunk::create();

    matc->setAmbient(OSG::Color4f(0.1, 0.1, 0.1, 1.0));
    matc->setDiffuse(OSG::Color4f(0.3, 0.3, 0.3, 1.0));
    matc->setSpecular(OSG::Color4f(0.8, 0.8, 0.8, 1.0));
    matc->setShininess(100);
    matc->setLit(true);

    OSG::SHLChunkUnrecPtr shl = OSG::SHLChunk::create();

    shl->readVertexProgram(argv[1]);
    shl->readFragmentProgram(argv[2]);

    cmat->addChunk(shl);


    // create root node
    _scene = OSG::Node::create();

    // create torus
    OSG::GeometryUnrecPtr geo = OSG::makeTorusGeo(.8, 1.8, 128, 128);
    geo->setMaterial(cmat);

    OSG::NodeUnrecPtr torus = OSG::Node::create();
    torus->setCore(geo);

    // add torus to scene
    OSG::GroupUnrecPtr group = OSG::Group::create();
    _scene->setCore(group);
    _scene->addChild(torus);

    // create the SimpleSceneManager helper
    _mgr = OSG::SimpleSceneManager::create();

    // tell the manager what to manage
    _mgr->setWindow(gwin );
    _mgr->setRoot(_scene);

    /*
    // create point headlight
    _mgr->turnHeadlightOff();
    NodePtr headlight = _mgr->getHighlight();
    PointLightPtr light    = PointLight::create();
    beginEditCP(light);
        light->setAmbient  (.3, .3, .3, 1);
        light->setDiffuse  ( 1,  1,  1, 1);
        light->setSpecular ( 1,  1,  1, 1);
        light->setBeacon   (_mgr->getCamera()->getBeacon());
    endEditCP(light);
    beginEditCP(_scene);
        _scene->setCore(light);
    endEditCP(_scene);
    */

    // show the whole scene
    _mgr->showAll();

    // GLUT main loop
    glutMainLoop();

    return 0;
}

int init(int argc, char **argv)
{
    OSG::osgInit(argc,argv);
    
    // GLUT init

    glutInit(&argc, argv);
    glutInitDisplayMode( GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
    int winid = glutCreateWindow("OpenSG");
    glutKeyboardFunc(key);
    glutVisibilityFunc(vis);
    glutReshapeFunc(reshape);
    glutDisplayFunc(display);       
    glutMouseFunc(mouse);   
    glutMotionFunc(motion); 
    
    glutIdleFunc(display);  

    // OSG
    OSG::SceneFileHandler::the()->print();

    // create the graph

    // beacon for camera and light  
    OSG::NodeUnrecPtr b1n = OSG::Node::create();
    OSG::GroupUnrecPtr b1 = OSG::Group::create();

    b1n->setCore(b1);

    // transformation
    OSG::NodeUnrecPtr      t1n = OSG::Node::create();
    OSG::TransformUnrecPtr t1  = OSG::Transform::create();

    t1n->setCore (t1 );
    t1n->addChild(b1n);

    cam_trans = t1;

    // light
    OSG::NodeUnrecPtr             dlight = OSG::Node::create();
    OSG::DirectionalLightUnrecPtr dl     = OSG::DirectionalLight::create();

    dlight->setCore(dl);
    
    dl->setAmbient  (0.0, 0.0, 0.0, 1.0);
    dl->setDiffuse  (0.8, 0.8, 0.8, 1.0);
    dl->setDirection(0.0, 0.0, 1.0     );
    dl->setBeacon   (b1n               );

    // root
    OSG::NodeUnrecPtr  root = OSG::Node::create();
    OSG::GroupUnrecPtr gr1  = OSG::Group::create();

    root->setCore (gr1   );
    root->addChild(t1n   );
    root->addChild(dlight);

    // Load the file
    OSG::NodeUnrecPtr file = NULL;
    
    if(argc > 1)
    {
        file = OSG::SceneFileHandler::the()->read(argv[1], NULL);
    }

    if(file == NULL)
    {
        std::cerr << "Couldn't load file, ignoring" << std::endl;

        //file = OSG::makeSphere(4, 2.0);

        file = OSG::Node::create();
        OSG::AlgorithmStageUnrecPtr pStage = OSG::AlgorithmStage::create();

        file->setCore(pStage);

        pAlgo = OSG::GPUVolRTV2::create();

        pStage->setAlgorithm(pAlgo);

        // fix/freeze the node volume
        file->editVolume().setStatic(true);
        file->editVolume().setBounds( 0.f,   0.f,   0.f,
                                      1.f,   1.f,   1.f);
        
   }
   
    OSG::commitChanges();

    file->updateVolume();


    OSG::Vec3f min,max;
    file->getVolume().getBounds( min, max );
    

    std::cout << "Volume: from " << min << " to " << max << std::endl;



//.........这里部分代码省略.........

// Initialize GLUT & OpenSG and set up the scene
int main(int argc, char **argv)
{
    printf("Usage: testCGShader [normal map filename]\n");
    const char *normal_map_img_name = "opensg_logoDOT3.png";

    OSG::Color4f tmp;

    if( argc > 1 )
        normal_map_img_name = argv[1];

    // OSG init
    OSG::osgInit(argc,argv);

    // GLUT init
    int winid = setupGLUT(&argc, argv);

    // the connection between GLUT and OpenSG
    OSG::GLUTWindowUnrecPtr gwin= OSG::GLUTWindow::create();
    gwin->setGlutId(winid);
    gwin->setSize( 800, 800 );
    gwin->init();

    // Create the shader material

    // Read the image for the normal texture
    OSG::ImageUnrecPtr normal_map_img = OSG::Image::create();
    if(!normal_map_img->read(normal_map_img_name))
    {
        fprintf(stderr, "Couldn't read normalmap texture '%s'!\n", normal_map_img_name);
        return 1;
    }

    OSG::ChunkMaterialUnrecPtr cmat = OSG::ChunkMaterial::create();

    OSG::MaterialChunkUnrecPtr matc = OSG::MaterialChunk::create();

    matc->setAmbient(OSG::Color4f(0.1, 0.1, 0.1, 1.0));
    matc->setDiffuse(OSG::Color4f(0.3, 0.3, 0.3, 1.0));
    matc->setSpecular(OSG::Color4f(0.8, 0.8, 0.8, 1.0));
    matc->setShininess(100);
    matc->setLit(true);

    OSG::SHLChunkUnrecPtr shl = OSG::SHLChunk::create();

    shl->setVertexProgram(_vp_program);
    shl->setFragmentProgram(_fp_program);

    OSG::TextureObjChunkUnrecPtr tex_normal_map     = 
        OSG::TextureObjChunk::create();
    OSG::TextureEnvChunkUnrecPtr tex_normal_map_env = 
        OSG::TextureEnvChunk::create();

    tex_normal_map->setImage(normal_map_img);
    tex_normal_map->setMinFilter(GL_LINEAR_MIPMAP_LINEAR);
    tex_normal_map->setMagFilter(GL_LINEAR);
    tex_normal_map->setWrapS(GL_REPEAT);
    tex_normal_map->setWrapT(GL_REPEAT);
    tex_normal_map_env->setEnvMode(GL_MODULATE);

        //cmat->addChunk(matc);
    cmat->addChunk(shl);
    cmat->addChunk(tex_normal_map);
    cmat->addChunk(tex_normal_map_env);


    // create root node
    _scene = OSG::Node::create();

    // create geometry
    //GeometryPtr geo = makeLatLongSphereGeo (100, 100, 1.0);
    OSG::GeometryUnrecPtr geo = OSG::makePlaneGeo(1.0, 1.0, 100, 100);

    geo->setMaterial(cmat);

    OSG::NodeUnrecPtr torus = OSG::Node::create();
    torus->setCore(geo);

    // add torus to scene
    OSG::GroupUnrecPtr group = OSG::Group::create();

    _scene->setCore(group);
    _scene->addChild(torus);

    // create the SimpleSceneManager helper
    _mgr = new OSG::SimpleSceneManager;

    // tell the manager what to manage
    _mgr->setWindow(gwin );
    _mgr->setRoot(_scene);

    /*
    // create point headlight
    _mgr->turnHeadlightOff();
    NodePtr headlight = _mgr->getHighlight();
    PointLightPtr light    = PointLight::create();
    beginEditCP(light);
        light->setAmbient  (.3, .3, .3, 1);
        light->setDiffuse  ( 1,  1,  1, 1);
        light->setSpecular ( 1,  1,  1, 1);
//.........这里部分代码省略.........

void init(std::vector<std::string> &filenames)
{
    size_t i;
    OSG::DirectionalLightUnrecPtr dl;
    OSG::Real32 x,y,z;
    OSG::BoxVolume volume;
    OSG::Vec3f min,max;
    OSG::Vec3f size;

    glEnable( GL_DEPTH_TEST );
    glEnable( GL_LIGHTING );
    glEnable( GL_LIGHT0 );
//    GLint twoSide = 1;
//    glLightModeliv(GL_LIGHT_MODEL_TWO_SIDE,&twoSide);
    glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );

    // create the graph

    // beacon for camera and light
    OSG::NodeUnrecPtr b1n = OSG::Node::create();
    OSG::GroupUnrecPtr b1 = OSG::Group::create();
    b1n->setCore( b1 );

    // transformation
    OSG::NodeUnrecPtr t1n = OSG::Node::create();
    OSG::TransformUnrecPtr t1 = OSG::Transform::create();
    t1n->setCore( t1 );
    t1n->addChild( b1n );

    cam_trans = t1;

    // light

    OSG::NodeUnrecPtr dlight = OSG::Node::create();
    dl = OSG::DirectionalLight::create();

    dlight->setCore( dl );

    dl->setAmbient( .3f, .3f, .3f, 1 );
    dl->setDiffuse( 1, 1, 1, 1 );
    dl->setDirection(0,0,1);
    dl->setBeacon( b1n);

    // root
    root = OSG::Node::create();

    OSG::GroupUnrecPtr gr1 = OSG::Group::create();

    root->setCore( gr1 );
    root->addChild( t1n );
    root->addChild( dlight );

    // Load the file
    OSG::NodeUnrecPtr scene = OSG::Node::create();
    scene->setCore(OSG::Group::create());

    OSG::NodeUnrecPtr file;
    for(i=0;i<filenames.size();i++)
    {
        file = OSG::SceneFileHandler::the()->read(filenames[i].c_str(),0);
        if(file != NULL)
            scene->addChild(file);
        else
            std::cerr << "Couldn't load file, ignoring " << filenames[i] << std::endl;
    }
	if ( filenames.size()==0 )
	{
        file = OSG::makeTorus( .5, 2, 16, 16 );
        scene->addChild(file);
//        scene->addChild(makeBox(.6,.6,.6,5,5,5));
    }

    prepareSceneGraph(scene);

    OSG::Thread::getCurrentChangeList()->commitChanges();

    scene->invalidateVolume();
    scene->updateVolume();
    volume=scene->getVolume();
    volume.getBounds(min,max);
    size = max-min;

    if(ca>0)
    {
        if(cb==-1)
            cb=ca;
        if(cc==-1)
            cc=cb;
            
        OSG::NodeUnrecPtr node;
        OSG::NodeUnrecPtr geoNode;
        OSG::TransformUnrecPtr trans;
        for(x=-ca/2.0 ; x<ca/2.0 ; x++)
            for(y=-cb/2.0 ; y<cb/2.0 ; y++)
                for(z=-cc/2.0 ; z<cc/2.0 ; z++)
                {
                    trans=OSG::Transform::create();
                    node=OSG::Node::create();
                    
                    node->setCore(trans);
//.........这里部分代码省略.........

OSG::NodeTransitPtr initVTK(void)
{
    OSG::NodeUnrecPtr returnValue = NULL;

    OSG::Char8 *szDataRoot = getenv("VTK_DATA_ROOT");

    if(szDataRoot == NULL)
    {
        fprintf(stderr, "VTK_DATA_ROOT not set\n");
        exit(0);
    }

    std::string szFilename;

    szFilename.assign(szDataRoot);
    szFilename += "/Data/office.binary.vtk";

    vtkStructuredGridReader *reader = vtkStructuredGridReader::New();

    reader->SetFileName(szFilename.c_str());
    reader->Update();

#if 0
    OSG::Real64 length = reader->GetOutput()->GetLength();

    OSG::Real64 maxVelocity = 
        reader->GetOutput()->GetPointData()->GetVectors()->GetMaxNorm();

    OSG::Real64 maxTime = 35.0 * length / maxVelocity;
#endif


    returnValue = OSG::Node::create();

    returnValue->setCore(OSG::Group::create());

    // Create source for streamtubes
    vtkPointSource *seeds = vtkPointSource::New();
    seeds->SetRadius(0.15);
    seeds->SetCenter(0.1, 2.1, 0.5);
    seeds->SetNumberOfPoints(6);

    vtkRungeKutta4 *integ = vtkRungeKutta4::New();
    vtkStreamLine *streamer = vtkStreamLine::New();
    streamer->SetInputConnection(reader->GetOutputPort());
#if VTK_MAJOR_VERSION >= 6
    streamer->SetSourceData(seeds->GetOutput());
#else
    streamer->SetSource(seeds->GetOutput());
#endif
    streamer->SetMaximumPropagationTime(500);
    streamer->SetStepLength(0.5);
    streamer->SetIntegrationStepLength(0.05);
    streamer->SetIntegrationDirectionToIntegrateBothDirections();
    streamer->SetIntegrator(integ);

    // The tube is wrapped around the generated streamline. By varying the
    // radius by the inverse of vector magnitude, we are creating a tube
    // whose radius is proportional to mass flux (in incompressible flow).
    vtkTubeFilter *streamTube = vtkTubeFilter::New();
    streamTube->SetInputConnection(streamer->GetOutputPort());
    streamTube->SetRadius(0.02);
    streamTube->SetNumberOfSides(12);
    streamTube->SetVaryRadiusToVaryRadiusByVector();
    vtkPolyDataMapper *mapStreamTube = vtkPolyDataMapper::New();
    mapStreamTube->SetInputConnection(streamTube->GetOutputPort());
    mapStreamTube->SetScalarRange(
        reader->GetOutput()->GetPointData()->GetScalars()->GetRange());
    vtkActor *streamTubeActor = vtkActor::New();
    streamTubeActor->SetMapper(mapStreamTube);
    streamTubeActor->GetProperty()->BackfaceCullingOn();

    addActor(returnValue, streamTubeActor);


    vtkStructuredGridGeometryFilter *table1 = 
        vtkStructuredGridGeometryFilter::New();

    table1->SetInputConnection(reader->GetOutputPort());
    table1->SetExtent(11, 15, 7, 9, 8, 8);

    vtkPolyDataNormals *normTable1 = vtkPolyDataNormals::New();
    normTable1->SetInputConnection(table1->GetOutputPort());

    vtkPolyDataMapper *mapTable1 = vtkPolyDataMapper::New();
    mapTable1->SetInputConnection(normTable1->GetOutputPort());
    mapTable1->ScalarVisibilityOff();
    
    vtkActor *table1Actor = vtkActor::New();
    table1Actor->SetMapper(mapTable1);
    table1Actor->GetProperty()->SetColor(.59, .427, .392);

    addActor(returnValue, table1Actor);



    vtkStructuredGridGeometryFilter *table2 = 
        vtkStructuredGridGeometryFilter::New();
    table2->SetInputConnection(reader->GetOutputPort());
    table2->SetExtent(11, 15, 10, 12, 8, 8);
//.........这里部分代码省略.........

TEST_FIXTURE(FileFixture, TextureChunkIO)
{
    OSG::NodeUnrecPtr          n   = OSG::Node::create();
    OSG::GeometryUnrecPtr      geo = OSG::makeBoxGeo(2.0, 2.0, 2.0, 1, 1, 1);
    OSG::ChunkMaterialUnrecPtr mat = OSG::ChunkMaterial::create();
    
    OSG::ImageUnrecPtr img = OSG::Image::create();
    img->set(OSG::Image::OSG_RGBA_PF, 2, 2);
    
    img->editData()[0 * 2 * 4 + 0 * 4 + 0] = 255;
    img->editData()[0 * 2 * 4 + 0 * 4 + 1] =   0;
    img->editData()[0 * 2 * 4 + 0 * 4 + 2] =   0;
    img->editData()[0 * 2 * 4 + 0 * 4 + 3] = 255;
    
    img->editData()[0 * 2 * 4 + 1 * 4 + 0] = 255;
    img->editData()[0 * 2 * 4 + 1 * 4 + 1] = 255;
    img->editData()[0 * 2 * 4 + 1 * 4 + 2] =   0;
    img->editData()[0 * 2 * 4 + 1 * 4 + 3] = 255;
    
    img->editData()[1 * 2 * 4 + 0 * 4 + 0] =   0;
    img->editData()[1 * 2 * 4 + 0 * 4 + 1] =   0;
    img->editData()[1 * 2 * 4 + 0 * 4 + 2] = 255;
    img->editData()[1 * 2 * 4 + 0 * 4 + 3] = 255;
    
    img->editData()[1 * 2 * 4 + 1 * 4 + 0] =   0;
    img->editData()[1 * 2 * 4 + 1 * 4 + 1] = 255;
    img->editData()[1 * 2 * 4 + 1 * 4 + 2] = 255;
    img->editData()[1 * 2 * 4 + 1 * 4 + 3] = 255;
    
    OSG::TextureChunkUnrecPtr tex = OSG::TextureChunk::create();
    tex->setImage(img);
    
    mat->addChunk(tex);
    geo->setMaterial(mat);
    
    n->setCore(geo);
    
    OSG::SceneFileHandler::the()->write(n, test_file.native_file_string().c_str());
    
    OSG::NodeUnrecPtr n2 =
        OSG::SceneFileHandler::the()->read(test_file.native_file_string().c_str());
        
    CHECK(n2 != NULL);
    
    CHECK(n2->getCore() != NULL);
    OSG::GeometryUnrecPtr      geo2 =
        dynamic_cast<OSG::Geometry *>(n2->getCore());
    CHECK(geo2 != NULL);
    
    CHECK(geo2->getMaterial() != NULL);
    OSG::ChunkMaterialUnrecPtr mat2 =
        dynamic_cast<OSG::ChunkMaterial *>(geo2->getMaterial());
    CHECK(mat2 != NULL);    
    
    CHECK(mat2->getChunk(0) != NULL);
    const OSG::TextureChunk *tex2 =
        dynamic_cast<const OSG::TextureChunk *>(mat2->getChunk(0));
    const OSG::TextureObjChunk *texObj =
        dynamic_cast<const OSG::TextureObjChunk *>(mat2->getChunk(0));
    const OSG::TextureEnvChunk *texEnv =
        dynamic_cast<const OSG::TextureEnvChunk *>(mat2->getChunk(1));
    CHECK(tex2   == NULL);    
    CHECK(texObj != NULL);
    CHECK(texEnv != NULL);
    
    CHECK(texObj->getImage() != NULL);
    OSG::Image *img2 = texObj->getImage();
    CHECK(img2 != NULL);
    
    CHECK_EQUAL(255, img2->getData()[0 * 2 * 4 + 0 * 4 + 0]);
    CHECK_EQUAL(  0, img2->getData()[0 * 2 * 4 + 0 * 4 + 1]);
    CHECK_EQUAL(  0, img2->getData()[0 * 2 * 4 + 0 * 4 + 2]);
    CHECK_EQUAL(255, img2->getData()[0 * 2 * 4 + 0 * 4 + 3]);
    
    CHECK_EQUAL(255, img2->getData()[0 * 2 * 4 + 1 * 4 + 0]);
    CHECK_EQUAL(255, img2->getData()[0 * 2 * 4 + 1 * 4 + 1]);
    CHECK_EQUAL(  0, img2->getData()[0 * 2 * 4 + 1 * 4 + 2]);
    CHECK_EQUAL(255, img2->getData()[0 * 2 * 4 + 1 * 4 + 3]);
    
    CHECK_EQUAL(  0, img2->getData()[1 * 2 * 4 + 0 * 4 + 0]);
    CHECK_EQUAL(  0, img2->getData()[1 * 2 * 4 + 0 * 4 + 1]);
    CHECK_EQUAL(255, img2->getData()[1 * 2 * 4 + 0 * 4 + 2]);
    CHECK_EQUAL(255, img2->getData()[1 * 2 * 4 + 0 * 4 + 3]);
    
    CHECK_EQUAL(  0, img2->getData()[1 * 2 * 4 + 1 * 4 + 0]);
    CHECK_EQUAL(255, img2->getData()[1 * 2 * 4 + 1 * 4 + 1]);
    CHECK_EQUAL(255, img2->getData()[1 * 2 * 4 + 1 * 4 + 2]);
    CHECK_EQUAL(255, img2->getData()[1 * 2 * 4 + 1 * 4 + 3]);
}

// Initialize GLUT & OpenSG and set up the scene
int doMain(int argc, char **argv)
{
    printf("Usage: testCGShader [normal map filename]\n");
    const char *normal_map_img_name = "opensg_logoDOT3.png";

    OSG::Color4f tmp;

    if( argc > 1 )
        normal_map_img_name = argv[1];

    // OSG init
    OSG::osgInit(argc,argv);

    // GLUT init
    int winid = setupGLUT(&argc, argv);

    // the connection between GLUT and OpenSG
    OSG::GLUTWindowUnrecPtr gwin= OSG::GLUTWindow::create();
    gwin->setGlutId(winid);
    gwin->setSize( 800, 800 );
    gwin->init();

    // Create the shader material

    // Read the image for the normal texture
    OSG::ImageUnrecPtr normal_map_img = OSG::Image::create();
    if(!normal_map_img->read(normal_map_img_name))
    {
        fprintf(stderr, "Couldn't read normalmap texture '%s'!\n", normal_map_img_name);
        return 1;
    }

    OSG::ChunkMaterialUnrecPtr cmat = OSG::ChunkMaterial::create();

    OSG::MaterialChunkUnrecPtr matc = OSG::MaterialChunk::create();

    matc->setAmbient(OSG::Color4f(0.1, 0.1, 0.1, 1.0));
    matc->setDiffuse(OSG::Color4f(0.3, 0.3, 0.3, 1.0));
    matc->setSpecular(OSG::Color4f(0.8, 0.8, 0.8, 1.0));
    matc->setShininess(100);
    matc->setLit(true);

    OSG::ShaderProgramChunkUnrecPtr shl = OSG::ShaderProgramChunk::create();

    OSG::ShaderProgramUnrecPtr shl_vp = 
        OSG::ShaderProgram::createVertexShader();
    
    shl_vp->setProgram(_vp_program);
    shl_vp->setProgramAttribute(OSG::ShaderConstants::TexCoordsIndex, "TexCoord0");
    shl_vp->setProgramAttribute(OSG::ShaderConstants::NormalsIndex,   "Normal"  );
    shl_vp->setProgramAttribute(OSG::ShaderConstants::PositionsIndex, "Position");

    shl->addShader(shl_vp);

    OSG::ShaderProgramUnrecPtr shl_fp = 
        OSG::ShaderProgram::createFragmentShader();

    shl_fp->setProgram(_fp_program);

    shl->addShader(shl_fp);


    OSG::TextureObjChunkUnrecPtr tex_normal_map     = 
        OSG::TextureObjChunk::create();
    OSG::TextureEnvChunkUnrecPtr tex_normal_map_env = 
        OSG::TextureEnvChunk::create();

    tex_normal_map->setImage(normal_map_img);
    tex_normal_map->setMinFilter(GL_LINEAR_MIPMAP_LINEAR);
    tex_normal_map->setMagFilter(GL_LINEAR);
    tex_normal_map->setWrapS(GL_REPEAT);
    tex_normal_map->setWrapT(GL_REPEAT);
    tex_normal_map_env->setEnvMode(GL_MODULATE);

        //cmat->addChunk(matc);
    cmat->addChunk(shl);
    cmat->addChunk(tex_normal_map);
    cmat->addChunk(tex_normal_map_env);


    // create root node
    _scene = OSG::Node::create();

    // create geometry
    //GeometryPtr geo = makeLatLongSphereGeo (100, 100, 1.0);
    OSG::GeometryUnrecPtr geo = OSG::makePlaneGeo(1.0, 1.0, 100, 100);

    geo->setMaterial(cmat);

    OSG::NodeUnrecPtr torus = OSG::Node::create();
    torus->setCore(geo);

    // add torus to scene
    OSG::GroupUnrecPtr group = OSG::Group::create();

    _scene->setCore(group);
    _scene->addChild(torus);

    // create the SimpleSceneManager helper
//.........这里部分代码省略.........

// Initialize GLUT & OpenSG and set up the scene
int doMain(int argc, char **argv)
{
    // OSG init
    OSG::osgInit(argc,argv);

    // GLUT init
    int winid = setupGLUT(&argc, argv);

    // the connection between GLUT and OpenSG
    OSG::GLUTWindowUnrecPtr gwin = OSG::GLUTWindow::create();
    gwin->setGlutId(winid);
    gwin->setSize( 800, 800 );
    gwin->init();

    // Create the shader material
    OSG::ChunkMaterialUnrecPtr cmat = OSG::ChunkMaterial::create();

    OSG::SHLChunkUnrecPtr shl = OSG::SHLChunk::create();

    shl->setProgramParameter(GL_GEOMETRY_INPUT_TYPE_EXT, 
                             GL_TRIANGLES);
    shl->setProgramParameter(GL_GEOMETRY_OUTPUT_TYPE_EXT, 
                             GL_TRIANGLE_STRIP);
    shl->setProgramParameter(GL_GEOMETRY_VERTICES_OUT_EXT, 6);

    shl->setVertexProgram(_vertex_shader);
    shl->setFragmentProgram(_fragment_shader);
    shl->setGeometryProgram(_geometry_shader);

    cmat->addChunk(shl);

    // create root node
    _scene = OSG::Node::create();

    // create torus
    OSG::GeometryUnrecPtr geo = OSG::makeTorusGeo(.8, 1.8, 128, 128);

    geo->setMaterial(cmat);

    OSG::NodeUnrecPtr torus = OSG::Node::create();

    torus->setCore(geo);

    // add torus to scene
    OSG::GroupUnrecPtr group = OSG::Group::create();

    _scene->setCore(group);
    _scene->addChild(torus);

    // create the SimpleSceneManager helper
    _mgr = OSG::SimpleSceneManager::create();

    // tell the manager what to manage
    _mgr->setWindow(gwin );
    _mgr->setRoot(_scene);

    // show the whole scene
    _mgr->showAll();

    return 0;
}

//.........这里部分代码省略.........

    tree7_trans_node->addChild(cloneTree(tree1));

    tree8_trans_node->addChild(cloneTree(tree1));

    tree9_trans_node->addChild(cloneTree(tree1));

    OSG::NodeUnrecPtr                 trees = OSG::makeCoredNode<OSG::Group>();

    trees->addChild(tree1_trans_node);
    trees->addChild(tree2_trans_node);
    trees->addChild(tree3_trans_node);
    trees->addChild(tree4_trans_node);
    trees->addChild(tree5_trans_node);
    trees->addChild(tree6_trans_node);
    trees->addChild(tree7_trans_node);
    trees->addChild(tree8_trans_node);
    trees->addChild(tree9_trans_node);

    /*//load Airplane Object
       NodePtr obj1_trans_node = makeCoredNode<Transform>(&_obj1_trans);
       
       _obj1_trans->editMatrix().setTranslate(0.0, 0.0, 10.0);
       _obj1_trans->editMatrix().setScale(Vec3f(0.15,0.15,0.15));
       
       NodePtr object1 = SceneFileHandler::the().read("triplane.3ds");
       
       obj1_trans_node->addChild(object1);
       */

    //Load a Quad as Pointlight
    OSG::GeometryUnrecPtr             boxGeo = OSG::makeBoxGeo(15, 15, 15, 1, 1, 1);
    OSG::NodeUnrecPtr                 boxNode = OSG::Node::create();
    boxNode->setCore(boxGeo);

    OSG::SimpleMaterialUnrecPtr       box_mat = OSG::SimpleMaterial::create();
    box_mat->setAmbient(OSG::Color3f(0.95f, 1.0f, 0.2f));
    box_mat->setDiffuse(OSG::Color3f(0.95f, 1.0f, 0.2f));

    boxGeo->setMaterial(box_mat);

    OSG::NodeUnrecPtr                 obj1_trans_node = OSG::makeCoredNode<OSG::Transform>
        (&_obj1_trans);

    obj1_trans_node->addChild(boxNode);

    //load Dino Objects

    OSG::NodeUnrecPtr                 dino1_trans_node = OSG::makeCoredNode<OSG::Transform>
        (&_dino1_trans);
    OSG::NodeUnrecPtr                 dino2_trans_node = OSG::makeCoredNode<OSG::Transform>
        (&_dino2_trans);
    OSG::NodeUnrecPtr                 dino3_trans_node = OSG::makeCoredNode<OSG::Transform>
        (&_dino3_trans);
    OSG::NodeUnrecPtr                 dino4_trans_node = OSG::makeCoredNode<OSG::Transform>
        (&_dino4_trans);

    _dino1_trans->editMatrix().setTranslate(-20.0, -20.0, 10.0);
    _dino1_trans->editMatrix().setScale(OSG::Vec3f(5.0, 5.0, 5.0));

    _dino2_trans->editMatrix().setTranslate(-20.0, -20.0, 6.0);
    _dino2_trans->editMatrix().setScale(OSG::Vec3f(3.0, 3.0, 3.0));

    _dino3_trans->editMatrix().setTranslate(-20.0, -20.0, 6.0);
    _dino3_trans->editMatrix().setScale(OSG::Vec3f(3.0, 3.0, 3.0));

int doMain (int argc, char **argv)
{
    int dummy;

    // OSG init

    OSG::osgInit(argc, argv);

    // create the graph

    // beacon for camera and light
    OSG::NodeUnrecPtr b1n = OSG::Node::create();
    OSG::GroupUnrecPtr b1 = OSG::Group::create();
    b1n->setCore( b1 );

    // transformation
    OSG::NodeUnrecPtr t1n = OSG::Node::create();
    OSG::TransformUnrecPtr t1 = OSG::Transform::create();
    t1n->setCore( t1 );
    t1n->addChild( b1n );

    cam_trans = t1;

    // light

    OSG::NodeUnrecPtr dlight = OSG::Node::create();
    OSG::DirectionalLightUnrecPtr dl = OSG::DirectionalLight::create();

    dlight->setCore( dl );

    dl->setAmbient( .3, .3, .3, 1 );
    dl->setDiffuse( 1, 1, 1, 1 );
    dl->setDirection(0,0,1);
    dl->setBeacon( b1n);

    // root
    root = OSG::Node::create();
    OSG::GroupUnrecPtr gr1 = OSG::Group::create();

    root->setCore( gr1 );
    root->addChild( t1n );
    root->addChild( dlight );

    // Load the file

    OSG::NodeUnrecPtr file = NULL;

    if ( argc > 1 )
        file = OSG::SceneFileHandler::the()->read(argv[1]);

    if ( file == NULL )
    {
        std::cerr << "Couldn't load file, ignoring" << std::endl;
        file = OSG::makeTorus( .5, 2, 16, 16 );
    }

    OSG::Thread::getCurrentChangeList()->commitChanges();
    file->updateVolume();

    OSG::Vec3f min,max;
    file->getVolume().getBounds( min, max );

    std::cout << "Volume: from " << min << " to " << max << std::endl;

    dlight->addChild( file );

    std::cerr << "Tree: " << std::endl;
    //root->dump();

    // Camera
    cam = OSG::PerspectiveCamera::create();

    cam->setBeacon( b1n );
    cam->setFov( OSG::osgDegree2Rad( 90 ) );
    cam->setNear( 0.1 );
    cam->setFar( 100000 );

    // Background
    OSG::SolidBackgroundUnrecPtr bkgnd = OSG::SolidBackground::create();

    bkgnd->setColor(OSG::Color3f(0,0,1));

    // Viewport

    vp = OSG::Viewport::create();
    vp->setCamera( cam );
    vp->setBackground( bkgnd );
    vp->setRoot( root );
    vp->setSize( 0,0, 1,1 );

    // Action

    ract = OSG::RenderAction::create();

    // tball

    OSG::Vec3f pos;
    pos.setValues(min[0] + ((max[0] - min[0]) * 0.5), 
                  min[1] + ((max[1] - min[1]) * 0.5), 
                  max[2] + ( max[2] - min[2] ) * 1.5 );
//.........这里部分代码省略.........

int main(int argc, char **argv)
{
    OSG::osgInit(argc,argv);
    OSG::PerfMonitor::the()->enable(true);   // Enable performance monitoring

    // GLUT init
    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);

    glutInitWindowSize(500, 500);
    glutCreateWindow("PerfMonitor FG Test");

    glutReshapeFunc(reshape);
    glutDisplayFunc(display);
    glutIdleFunc(display);
    glutMouseFunc(mouse);
    glutMotionFunc(motion);
    glutKeyboardFunc(keyboard);

    pwin=OSG::PassiveWindow::create();
    pwin->init();

    // create the scene
    OSG::NodeUnrecPtr scene;

    if(argc > 1)
    {
        scene = OSG::Node::create();
        OSG::GroupUnrecPtr g = OSG::Group::create();

        scene->setCore(g);

        for(OSG::UInt16 i = 1; i < argc; ++i)
            scene->addChild(OSG::SceneFileHandler::the()->read(argv[i]));
    }
    else
    {
        scene = OSG::makeTorus(.5, 3, 16, 16);
    }

    // create the SimpleSceneManager helper
    mgr = OSG::SimpleSceneManager::create();

    // create the window and initial camera/viewport
    mgr->setWindow(pwin );
    // tell the manager what to manage
    mgr->setRoot  (scene);

    OSG::Thread::getCurrentChangeList()->commitChanges();

    // show the whole scene
    mgr->showAll();

    // add the statistics forground

    perfmon_fg = OSG::PerfMonitorForeground::create();
    pwin->getPort(0)->addForeground(perfmon_fg);

    //statfg->setMaxSize(25);
    //statfg->setColor(Color4f(0,1,0,0.7));

    act = OSG::RenderAction::create();
    mgr->setAction(act);

    // GLUT main loop
    glutMainLoop();

    return 0;
}

// Initialize GLUT & OpenSG and set up the scene
int doMain(int argc, char **argv)
{
    // OSG init
    OSG::osgInit(argc, argv);

    // GLUT init
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);

    int winid = glutCreateWindow("OpenSG CGFX Shader");

    // the connection between GLUT and OpenSG
    _gwin = OSG::GLUTWindow::create();

    _gwin->setGlutId(winid);
    _gwin->setSize( 800, 800 );
    _gwin->init();

    // init callbacks
    glutSetWindow(winid);
    glutReshapeFunc(reshape);
    glutDisplayFunc(display);
    glutIdleFunc(display);
    glutMouseFunc(mouse);
    glutMotionFunc(motion);
    glutKeyboardFunc(keyboard);

    const char *effectFile = "blinn_bump_reflect.vinstruct.cgfx";

    if(argc > 1)
    {
        effectFile = argv[1];
    }

    _cgfxmat = OSG::CgFXMaterial::create();

    _cgfxmat->setEffectFile(effectFile);

    // this multipass technique leads to a render bug, 
    // I have no idea what's wrong :-(
    //_cgfxmat->setTechnique(1);

    OSG::ChunkMaterialUnrecPtr mat2 = OSG::ChunkMaterial::create();
    OSG::MaterialChunkUnrecPtr matc = OSG::MaterialChunk::create();

    matc->setDiffuse(OSG::Color4f(1, 0, 0, 1));
    mat2->addChunk(matc);
    //mat2->addChunk(texc);

    // create root node
    _scene = OSG::Node::create();

    OSG::GeometryUnrecPtr geo1 = OSG::makeLatLongSphereGeo(50, 50, 2.0f);
    
    OSG::calcVertexTangents(geo1, 
                            0, 
                            OSG::Geometry::TexCoords6Index, 
                            OSG::Geometry::TexCoords7Index);

    geo1->setMaterial(_cgfxmat);

    OSG::NodeUnrecPtr sphere1 = OSG::Node::create();

    sphere1->setCore(geo1);

    OSG::TransformUnrecPtr trans1 = OSG::Transform::create();

    trans1->editMatrix().setTranslate(-2 , 0, 0);

    OSG::NodeUnrecPtr transn1 = OSG::Node::create();

    transn1->setCore(trans1);
    transn1->addChild(sphere1);

    //
    OSG::GeometryUnrecPtr geo2 = OSG::makeLatLongSphereGeo(50, 50, 1.0f);
    
    geo2->setMaterial(mat2);


    OSG::NodeUnrecPtr sphere2 = OSG::Node::create();

    sphere2->setCore(geo2);

    OSG::TransformUnrecPtr trans2 = OSG::Transform::create();

    trans2->editMatrix().setTranslate(2 , 0, 0);


    OSG::NodeUnrecPtr transn2 = OSG::Node::create();

    transn2->setCore(trans2);
    transn2->addChild(sphere2);

    _scene->setCore (OSG::Group::create());
    _scene->addChild(transn1             );
    _scene->addChild(transn2             );

    // create the SimpleSceneManager
//.........这里部分代码省略.........