init

src/views/custom-query/topo/utils/anchor/update.js

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+/**
+ * @author: clay
+ * @data: 2019/08/15
+ * @description: update anchor
+ */
+
+export default function(cfg, group) {
+  let { anchorPoints, width, height, id } = cfg
+  if (anchorPoints && anchorPoints.length) {
+    for (let i = 0, len = anchorPoints.length; i < len; i++) {
+      let [x, y] = anchorPoints[i]
+      // 计算Marker中心点坐标
+      let originX = -width / 2
+      let originY = -height / 2
+      let anchorX = x * width + originX
+      let anchorY = y * height + originY
+      // 锚点背景
+      let anchorBgShape = group.findById(id + '_anchor_bg_' + i)
+      // 锚点
+      let anchorShape = group.findById(id + '_anchor_' + i)
+      anchorBgShape.attr({
+        x: anchorX,
+        y: anchorY
+      })
+      anchorShape.attr({
+        x: anchorX,
+        y: anchorY
+      })
+    }
+  }
+}