Method addFeatures

src/openlayers/overlay/Graph.js:91–107

* @function Graph.prototype.addFeatures * @description 向专题图图层中添加数据。 * @param {(ServerFeature|ThemeFeature)} features - 待添加的要素。

(features)

     * @param {(ServerFeature|ThemeFeature)} features - 待添加的要素。
     */
    addFeatures(features) {
        var ret = this.dispatchEvent({
            type: 'beforefeaturesadded',
            value: {
                features: features
            }
        });
        if (ret === false) {
            return;
        }
        //转换 features 形式
        this.features = this.toiClientFeature(features);
        //绘制专题要素
        if (this.renderer) {
            this.changed();
        }
    }

    /**
     * @function Graph.prototype.redrawThematicFeatures