Merge pull request #40 from RENCI/remove-bullseyes

Clear out the bullseye map layers

src/components/trays/observations/removeObservations.js

@@ -12,13 +12,25 @@ import {useLayers} from "@context";
 export const RemoveObservations = () => {
     // get references to the observation data/list
     const {
+        map,
         selectedObservations,
         setSelectedObservations
     } = useLayers();
 
-    // remove the observation selections from state
+    /**
+     * remove the observation selections from state and map
+     */
     function removeAllObservations() {
-        // remove all items from the data list
+        // remove all the targets on the map
+        map.eachLayer((layer) => {
+            // if this is an observation selection marker
+            if (layer.options && layer.options.pane === "markerPane") {
+                // remove the layer
+                map.removeLayer(layer);
+            }
+        });
+
+        // remove all the dialog items from the data list
         setSelectedObservations(selectedObservations.filter(item => item === undefined));
     }