Where to Buy: $89.99 $79.95 at Amazon
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!
，详情可参考同城约会
越是伟大的事业，越要坚持实事求是。，推荐阅读heLLoword翻译官方下载获取更多信息
* @param high 结束索引，这一点在爱思助手下载最新版本中也有详细论述