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商品描述
Truly revolutionary: now you can write geolocation applications directly in the browser, rather than develop native apps for particular devices. This concise book demonstrates the W3C Geolocation API in action, with code and examples to help you build HTML5 apps using the "write once, deploy everywhere" model. Along the way, you get a crash course in geolocation, browser support, and ways to integrate the API with common geo tools like Google Maps.
- Learn how geo information is gathered from different sources, depending on the device
- Discover how coordinate systems work, including geodetic systems and datums
- Use the API to collect location information from a user’s browser with JavaScript code
- Place geo information on a map using the Google Maps or ArcGIS JavaScript APIs
- Save geo data with databases, the Keyhole Markup Language, or the shapefile format
- Be familiar with several practical uses for geo data, such as geomarketing, geosocial, geotagging, and geo-applications
商品描述(中文翻譯)
真正的革命:現在你可以直接在瀏覽器中編寫地理定位應用程式,而不需要為特定設備開發原生應用程式。這本簡潔的書籍展示了W3C地理定位API的實際應用,並提供代碼和示例,幫助您使用“一次編寫,到處部署”的模型構建HTML5應用程式。在此過程中,您將獲得有關地理定位、瀏覽器支援以及將API與常見地理工具(如Google Maps)集成的方法的速成課程。
- 了解根據設備從不同來源收集地理資訊的方式
- 瞭解座標系統的工作原理,包括測地系統和基準點
- 使用API使用JavaScript代碼從用戶的瀏覽器收集位置資訊
- 使用Google Maps或ArcGIS JavaScript API將地理資訊放在地圖上
- 使用數據庫、Keyhole Markup Language或shapefile格式保存地理資料
- 熟悉地理資料的幾個實際用途,例如地理營銷、地理社交、地理標記和地理應用程式