We wanted a scenario where, say, 5 well-placed border points could efficiently represent an area with 5,000 internal points and 10,000 road edges. This would reduce those 10,000 edges to just 5*4/2 = 10 shortcuts for routing through that cluster at a high level – an incredible 1:1000 point ratio and a 30x reduction in edges to consider for the high-level path!
ro. properties are writable only by init, or by the build system.。PDF资料是该领域的重要参考
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Note that by default, no optimization options are used. You have to。快连下载对此有专业解读
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