Method createThematicFeature

src/openlayers/overlay/Label.js:108–125

* @private * @function Label.prototype.createThematicFeature * @description 创建专题要素。 * @param {FeatureVector} feature - 矢量要素。 * @returns {FeatureThemeVector} 专题图矢量要素。

(feature)

     * @returns {FeatureThemeVector} 专题图矢量要素。
     */
    createThematicFeature(feature) {
        //赋 style
        var style = this.getStyleByData(feature);
        //创建专题要素时的可选参数
        var options = {};
        options.nodesClipPixel = this.nodesClipPixel;
        options.isHoverAble = this.isHoverAble;
        options.isMultiHover = this.isMultiHover;
        options.isClickAble = this.isClickAble;
        options.highlightStyle = ShapeFactory.transformStyle(this.highlightStyle);
        //将数据转为专题要素（Vector）
        var thematicFeature = new ThemeVector(feature, this, ShapeFactory.transformStyle(style), options);
        //直接添加图形到渲染器
        for (var m = 0; m < thematicFeature.shapes.length; m++) {
            this.renderer.addShape(thematicFeature.shapes[m]);
        }
        return thematicFeature;
    }


    /**