Cesium JS API
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OpenCageGeocoderService

OpenCageGeocoderService是一个Cesium的地理编码服务插件,使用OpenCage Geocoder API实现地理编码和逆地理编码功能。

用法

// 创建OpenCageGeocoderService对象
var service = new Cesium.OpenCageGeocoderService({
    apiKey: '你的API Key'
});

// 地理编码
var geocode = function(address) {
    service.geocode(address).then(function(result) {
        console.log(result);
    }).otherwise(function(error) {
        console.log(error);
    });
};

// 逆地理编码
var reverseGeocode = function(position) {
    service.reverseGeocode(position).then(function(result) {
        console.log(result);
    }).otherwise(function(error) {
        console.log(error);
    });
};

构造函数

new Cesium.OpenCageGeocoderService(options)

创建一个OpenCageGeocoderService对象。

参数

  • options:一个包含以下属性的对象。
    • apiKey:String类型,必需,OpenCage Geocoder API的API Key。
    • language:String类型,可选,返回结果的语言设置。默认为英语(en)。

方法

geocode(address)

地理编码,将地名或地址转化为经纬度坐标。

参数

  • address:String类型,必需,需要进行地理编码的地址或地名。

返回

  • Promise:一个Promise对象,包含以下属性。
    • latitude:Number类型,纬度坐标,单位为度。
    • longitude:Number类型,经度坐标,单位为度。
    • displayName:String类型,地名或地址。
    • address:一个包含详细地址信息的对象。

reverseGeocode(position)

逆地理编码,将经纬度坐标转化为地址或地名。

参数

  • position:Cartesian3类型,必需,需要进行逆地理编码的坐标。

返回

  • Promise:一个Promise对象,包含以下属性。
    • latitude:Number类型,纬度坐标,单位为度。
    • longitude:Number类型,经度坐标,单位为度。
    • displayName:String类型,地名或地址。
    • address:一个包含详细地址信息的对象。

异常

如果发生错误,以上方法会返回一个带有message属性的Error对象。