undarkness
diff --git a/‎examples/mapboxgl/ugc_isIntersectRegionWithRect.html
Lines changed: 11 additions & 0 deletions b/‎examples/mapboxgl/ugc_isIntersectRegionWithRect.html
Lines changed: 11 additions & 0 deletions
diff --git a/‎examples/mapboxgl/ugc_pointPositon.html
Lines changed: 4 additions & 0 deletions b/‎examples/mapboxgl/ugc_pointPositon.html
Lines changed: 4 additions & 0 deletions
@@ -135,6 +135,7 @@ <h5 class="panel-title text-center">面与矩形相交检测</h5>
       }
 
       function search() {
+        clearLayer();
         let intersectCount;
         var geometryAnalysis = new mapboxgl.supermap.GeometryAnalysis();
         [polygon1, polygon2].forEach((polygon) => {
@@ -162,6 +163,16 @@ <h5 class="panel-title text-center">面与矩形相交检测</h5>
         });
       }
 
+      function clearLayer() {
+        if (!map) {
+          return;
+        }
+        if (map.getLayer('fill3')) {
+          map.removeLayer('fill3');
+          map.removeSource('fill3');
+        }
+      }
+
       initMap(url).then((map) => {
         addFeatures();
       });
 
@@ -257,6 +257,10 @@ <h5 class="panel-title text-center">点线关系</h5>
           map.removeLayer('line1');
           map.removeSource('line1');
         }
+        if (map.getLayer('nearestPoint')) {
+          map.removeLayer('nearestPoint');
+          map.removeSource('nearestPoint');
+        }
       }
       initMap(url).then((map) => {
         addFeatures();
Original file line number	Diff line number	Diff line change
`@@ -257,6 +257,10 @@ <h5 class="panel-title text-center">点线关系</h5>`
`257`	`257`	`map.removeLayer('line1');`
`258`	`258`	`map.removeSource('line1');`
`259`	`259`	`}`
	`260`	`+ if (map.getLayer('nearestPoint')) {`
	`261`	`+ map.removeLayer('nearestPoint');`
	`262`	`+ map.removeSource('nearestPoint');`
	`263`	`+ }`
`260`	`264`	`}`
`261`	`265`	`initMap(url).then((map) => {`
`262`	`266`	`addFeatures();`