为时间轴新增 draggable 特性

src/app/OlMap/MapComponent.tsx

@@ -748,13 +748,14 @@ const MapComponent: React.FC<MapComponentProps> = ({ children }) => {
       id: "junctionContourLayer",
       name: "等值线",
       data: junctionData,
-      cellSize: 400,
+      aggregation: "MEAN",
+      cellSize: 200,
       contours: [
-        { threshold: [0, 10], color: [255, 0, 0] },
-        { threshold: [10, 20], color: [255, 127, 0] },
-        { threshold: [20, 30], color: [255, 215, 0] },
-        { threshold: [30, 40], color: [199, 224, 0] },
-        { threshold: [40, 9999], color: [142, 68, 173] },
+        { threshold: [0, 16], color: [255, 0, 0] },
+        { threshold: [16, 20], color: [255, 127, 0] },
+        { threshold: [20, 22], color: [255, 215, 0] },
+        { threshold: [22, 24], color: [199, 224, 0] },
+        { threshold: [24, 26], color: [76, 175, 80] },
       ],
       getPosition: (d) => d.position,
       getWeight: (d: any) =>