fix

src/views/home.vue

@@ -181,9 +181,9 @@ export default {
       tableData: [],
       multipleSelection: [],
       inputform: {
-        width: '',
-        load: '',
-        minTurnRadius: '',
+        width: 0,
+        load: 0,
+        minTurnRadius: 0,
       },
       form: {
         startPoint: '',
@@ -962,10 +962,13 @@ export default {
           const nextNode = pathNodes[j + 1]
           const segment = this.roadNetworkGeoJSON.features.find(
             (f) =>
-              (f.properties.FNODE_ == currentNode &&
+              ((f.properties.FNODE_ == currentNode &&
                 f.properties.TNODE_ == nextNode) ||
               (f.properties.FNODE_ == nextNode &&
-                f.properties.TNODE_ == currentNode)
+                f.properties.TNODE_ == currentNode) )&&
+              f.properties.载重吨 >= this.inputform.load &&
+              f.properties.宽度 >= this.inputform.width &&
+              f.properties.曲率半 <= this.inputform.minTurnRadius
           )
           if (segment) {
             fullPath.push(...segment.geometry.coordinates[0])
@@ -1023,6 +1026,7 @@ export default {
     // 单独的路径绘制方法
     drawPath(path) {
       const positions = path
+      if (positions.fullPath.length == 0) return
       const polyline = new window.mars3d.graphic.PolylinePrimitive({
         positions: positions.fullPath,
         style: {