osg osgViewer::View::setUpViewInWindow()

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osg osgViewer::View::setUpViewInWindow()

void ViewerBase::frame(double simulationTime) { if (_done) return; // OSG_NOTICE<<std::endl<<"CompositeViewer::frame()"<<std::endl<<std::endl; if (_firstFrame) { viewerInit(); if (!isRealized()) { realize(); } _firstFrame…

《最长的一帧》 osg3.4 osgViewer::View::init() osgViewer::Viewer::getContexts()

开始:osgViewer/ViewerBase.cpp 389行,startThreading()函数,启动线程 void ViewerBase::startThreading() { if (_threadsRunning) return; OSG_INFO<<"Viewer::startThreading() - starting threading"<<std::endl; // release any context held by the ma…

osgViewer::View::setUpViewOnSingleScreen()

void ViewerBase::frame(double simulationTime) { if (_done) return; // OSG_NOTICE<<std::endl<<"CompositeViewer::frame()"<<std::endl<<std::endl; if (_firstFrame) { viewerInit(); if (!isRealized()) { realize(); } _firstFrame…

探索未知种族之osg类生物---器官初始化三

当判断到viewer中没有一个graphicContext可用时,osg就会默认的进行一次对viewer的实现操作,这样可以保证osg以后可以安心的在屏幕上进行作画.那我们就来看看这个osgViewer::Viewer::realize()函数到底具备什么样神奇的功能. osgViewer::Viewer::realize() osgViewer::Viewer::realize()的最要作用可以总结为激活设置窗口以及初始化关联线程.Viewer::getContexts()上一节以及进行了详细…

OSG相机与视图

转自:http://blog.csdn.net/wang15061955806/article/details/51603083 相机与视图 osg::Camera类用来管理OSG中的模型——视图矩阵,相机的管理主要通过各种变换来实现的. osgViewer::Viewer为一个单独的场景scene保存一个单独的view,单视图的管理是通过osgViewer::Viewer来实现的.在osgViewer::Viewer中,只允许单视图,单视图可以同时包含多个相机渲染,也可以在多窗…

osgViewer

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield * * This library is open source and may be redistributed and/or modified under * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or * (at your option) any later v…