Advanced Global Illumination An advanced book focused on light transport theory for global illumination.
The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.，这一点在电影中也有详细论述
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Москвичей предупредили о резком похолодании09:01。关于这个话题，电影提供了深入分析