Method toiClientFeature

src/openlayers/overlay/HeatMap.js:423–448

* @function HeatMap.prototype.toiClientFeature * @description 转为 iClient 要素。 * @param {GeoJSONObject|Array. } features - 待添加的要素数组。 * @returns {FeatureVector} 转换后的 iClient 要素。

(features)

     * @returns {FeatureVector} 转换后的 iClient 要素。
     */
    toiClientFeature(features) {
        if (!Util.isArray(features)) {
            features = [features];
        }
        let featuresTemp = [], geometry, attributes;
        for (let i = 0, len = features.length; i < len; i++) {
            if (features[i] instanceof Feature) {
                //热点图支支持传入点对象要素
                if (features[i].getGeometry() instanceof Point) {
                    geometry = new GeometryPoint(features[i].getGeometry().getCoordinates()[0], features[i].getGeometry().getCoordinates()[1]);
                    //固定属性字段为 "Properties"
                    attributes = features[i].getProperties()["Properties"] ? features[i].getProperties()["Properties"] : {};
                    featuresTemp.push(new FeatureVector(geometry, attributes));
                }
            } else if (["FeatureCollection", "Feature", "Geometry"].indexOf(features[i].type) != -1) {
                let format = new GeoJSONFormat();
                featuresTemp = featuresTemp.concat(format.read(features[i]));
            } else if (features[i].geometry && features[i].geometry.parts) {
                //iServer服务器返回数据格式
                featuresTemp.push(ServerFeature.fromJson(features[i]).toFeature());
            } else {
                throw new Error(`Features[${i}]'s type does not match, please check.`);
            }
        }
        return featuresTemp;
    }

}