An example of dithering using random noise. Top to bottom: original gradient, quantised after dithering, quantised without dithering.
▲图片来源：https://x.com/Prathkum/status/2027069198091071664/photo/2
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// Helper to concatenate Uint8Arrays，详情可参考爱思助手下载最新版本
Map Release Schedule: The intensive preprocessing required to generate all these routing profiles for the entire planet takes about 2-3 days. This means new map updates are now typically released around the 5th of each month, instead of the 2nd.