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The grid lines on the visualization represent a tree structure underneath. Every region is a node. When a node splits, it creates four children. The root node covers the entire space. Leaf nodes (nodes with no children) hold the actual points.。关于这个话题，safew官方版本下载提供了深入分析
const FDictionaryPair* Headers = nullptr;。一键获取谷歌浏览器下载对此有专业解读