Method multiPointToTF

src/common/overlay/ThemeVector.js:246–322

* @function FeatureThemeVector.prototype.multiPointToTF * @description 转多点要素。 * @param {Geometry} geometry - 用户数据几何地理信息，这里必须是 MultiPoint。

(geometry)

     * @param {Geometry} geometry - 用户数据几何地理信息，这里必须是 MultiPoint。
     */
    multiPointToTF(geometry) {
        /*   //-- 不抽稀
         var components = geometry.components;

         for(var i = 0; i < components.length; i++){
         var components_i = components[i];
         this.pointToTF(components_i);
         }
         */

        var components = geometry.components;

        //节点像素坐标
        var localLX = [];
        //参考位置，参考中心为
        var refLocal = [];
        var location = this.location;
        var pointList = [];

        //节点抽稀距离
        var nCPx = this.nodesClipPixel;

        for (var i = 0; i < components.length; i++) {
            var components_i = components[i];
            refLocal = [];
            localLX = this.getLocalXY(components_i);

            refLocal[0] = localLX[0] - location[0];
            refLocal[1] = localLX[1] - location[1];

            //抽稀
            if (pointList.length > 0) {
                var lastLocalXY = pointList[pointList.length - 1];
                if ((Math.abs(lastLocalXY[0] - refLocal[0]) <= nCPx) && (Math.abs(lastLocalXY[1] - refLocal[1]) <= nCPx)) {
                    continue;
                }
            }

            //使用参考点
            pointList.push(refLocal);

            //赋 style
            var style = new Object();
            style.r = 6; //防止漏设此参数，默认 6 像素
            style = CommonUtil.copyAttributesWithClip(style, this.style);
            style.x = refLocal[0];
            style.y = refLocal[1];

            //创建图形
            var shape = new SmicPoint({
                style: style,
                clickable: this.isClickAble,
                hoverable: this.isHoverAble
            });

            //设置高亮样式
            if (this.highlightStyle) {
                shape.highlightStyle = this.highlightStyle;