A low threshold preserves detail (more leaf nodes, less compression). A high threshold merges aggressively (fewer leaves, more compression, but the image gets blocky). The grid overlay shows the quadtree structure: large cells in uniform areas, small cells where detail is preserved.
// 创建临时数组存储左子数组（右子数组可直接用原数组）
，更多细节参见服务器推荐
remote_port = 8001，这一点在safew官方版本下载中也有详细论述
2026-02-28 00:00:00:0沈丽华3014268910http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142689.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142689.html11921 金戈铁马 驰骋东西（上新了）