K-D树源码，不错的空间查找算法，在三维重建和匹配中应用较多！-KD tree source, good space search algorithm, in the three-dimensional reconstruction and matching the application of more!

八叉树实现ISO surface提取的算法，在三维模型建模技术中应用非常广泛-algorithm for extract iso-surface with octree from point cloud, it has been widely used 3D modeling technique in CG

k-d树是一种分割k维数据空间的数据结构。主要应用于多维空间关键数据的搜索-kd tree is a k-dimensional data structure segmentation data space. Mainly used in multi-dimensional space-critical data search

一个用QT做的osg应用，适合学习参考。有文件打开、树状管理、视图操作、控制台信息等。-osGraphX is a 3D file viewer. Based on openscenegraph, it can load all the format supported by OSG. Because osGraphX is written with Qt, it runs on Windows and Linux (MacOSX isn t tested yet).