Quadtrees aren't limited to point data. They can also partition regions of continuous data, like the pixels of an image.
Cobalt Violet, White, Black, and Sky Blue / Pink Gold and Silver Shadow (Samsung exclusive)
，这一点在safew官方版本下载中也有详细论述
# Word-level timestamps
“Breakfast is a vector space. You can place pancakes, crepes, and scrambled eggs on a simplex where the variables are the ratios between milk, eggs, and flour. We have explored too little of this manifold. More breakfasts can exist than we have known.”