iOS 开发实用技术导航 NSHipster 中文版 http://nshipster.cn/ cocos2d 开源 2D 游戏引擎 http://www.cocos2d-iphone.org/ CocoaPods http://cocoapods.org/ Google Analytics for Mobile 统计解决方案 http://code.google.com/mobile/analytics/ WWDC https://developer.apple.com/wwdc/ Design Guides and Resources https://developer.apple.com/design/ Transcripts of WWDC sessions http://asciiwwdc.com Cocoa with Love http://cocoawithlove.com/ Cocoa Dev Central http://cocoadevcentral.com/ NSHipster http://nshipster.com/ Style Guides Google Objective-C Style Guide NYTimes Objective-C Style Guide Useful Tools and Services Charles Web Debugging Proxy Smore
这是一个创建于 3740 天前的主题，其中的信息可能已经有所发展或是发生改变。
用mapkit的overlay把一个城市的地图划分成若干自定义区域（多边形).在地图上给出一点的经度纬度如何判定其落在哪个自定义区域里？
 | 1 zty5678 2015-07-15 11:38:38 +08:00 将经纬度坐标转化成墨卡托坐标系里的点? |
 | 2 Shazoo 2015-07-15 17:18:28 +08:00 射线法可以吧？看各边交点，偶数在外，奇数在内。不过每个区域不能自交叉。 |
 | 3 qianyanseu 2015-07-15 17:32:56 +08:00 Stackoverflow 问答：How to check if MKCoordinateRegion contains CLLocationCoordinate2D without using MKMapView? http://stackoverflow.com/questions/10553072/how-to-check-if-mkcoordinateregion-contains-cllocationcoordinate2d-without-using |
| 4 qianyanseu 2015-07-15 17:34:50 +08:00 另一个 Stackoverflow 问答：detect if a point is inside a MKPolygon overlay http://stackoverflow.com/questions/10109677/detect-if-a-point-is-inside-a-mkpolygon-overlay |
 | 5 iDelicious 2015-07-15 18:21:58 +08:00 Keyword: 射线法 |
 | 6 ll0xff 2015-07-15 23:02:12 +08:00 GeoHash |
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