| 词条 | OpenWeatherMap |
| 释义 |
|logo = OpenWeatherMap logo.png |logo_size = 128px |name = OpenWeatherMap |owner = Extreme Electronics LTD. |foundation = 2012 |homepage = openweathermap.org }} OpenWeatherMap is an online service that provides weather data, including current weather data, forecasts, and historical data to the developers of web services and mobile applications. For data sources, it utilizes meteorological broadcast services, raw data from airport weather stations, raw data from radar stations, and raw data from other official weather stations. All data is processed by OpenWeatherMap in a way that it attempts to provide accurate online weather forecast data and weather maps, such as those for clouds or precipitation. Beyond that, the service is focused on the social aspect by involving weather station owners in connecting to the service and thereby increasing weather data accuracy. The ideology is inspired by OpenStreetMap and Wikipedia that make information free and available for everybody. It uses OpenStreetMap for display of weather maps. APIOpenWeatherMap provides an API with JSON, XML and HTML endpoints and a limited free usage tier. Making more than 60 calls per minute requires a paid subscription starting at USD 40 per month. Access to historical data requires a subscription starting at US$150 per month.[1] Users can request current weather information, extended forecasts and graphical maps (showing cloud cover, wind speed, pressure and precipitation). Current weather dataCurrent data is refreshed every ten minutes; it can be searched by city or by geographic coordinates on Earth. ForecastsWeather forecasts can be searched by city or by coordinates. Three-hourly forecasts are available for up to 5 days, while daily forecasts are available for up to 16 days. SearchingThe OpenWeatherMap geocoding system allows users to select cities by name, country, zip-code or geographic coordinates. It is possible to search by part of city name. To make searching result more accurate city name and country should be divided by comma. MapsOpenWeatherMap service provides lots of weather maps including Precipitation, Clouds, Pressure, Temperature, Wind and many others. Maps can be connected to mobile applications and web sites. Weather maps can be connected as layers to the wide range of maps including Direct tiles, WMS, OpenLayers, Leaflet, Google maps, and Yandex maps. LicensingAll data that OpenWeatherMap provides is used under the terms of a Creative Commons Attribution-ShareAlike license. However, any access beyond 60 requests of basic data per minute, as well as bulk downloading of weather readings and forecasts, require a paid subscription.[2] Competitors
References1. ^OpenWeatherMap, API 2. ^{{Cite web|url=http://openweathermap.org/price|title=Weather API Price-list- OpenWeatherMap|last=OpenWeatherMap.org|website=openweathermap.org|access-date=2016-12-26}} External links
2 : Meteorological companies|Meteorological data and networks |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。