В России предупредили о скорой нехватке вагонов08:46
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Broadcast message from root@fedora (Sat 2025-10-11 16:07:35 UTC):
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.