Method lineToTF

src/common/overlay/ThemeVector.js:169–238

* @function FeatureThemeVector.prototype.lineToTF * @description 转换线和线环要素。 * @param {Geometry} geometry - 用户数据几何地理信息，这里必须是 GeometryLineString 或 GeometryLineRing。

(geometry)

     * @param {Geometry} geometry - 用户数据几何地理信息，这里必须是 GeometryLineString 或 GeometryLineRing。
     */
    lineToTF(geometry) {
        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 - 2 px
            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);
        }

        if (pointList.length < 2) {
            return null;
        }

        //赋 style
        var style = new Object();
        style = CommonUtil.copyAttributesWithClip(style, this.style, ['pointList']);
        style.pointList = pointList;

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

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

        //设置参考中心，指定图形位置
        shape.refOriginalPosition = this.location;

        //储存数据 id 属性，用于事件