Fix parcel coordinates and map controls

wwwroot/js/lme-map.js

@@ -31,6 +31,7 @@ window.lmeMap = {
     clearImported,
     addProjectMarker,
     enableDrawTools,
+    clearDrawings,
     saveWorkspace,
     loadWorkspace,
     setBaseLayer,
@@ -58,11 +59,13 @@ function init() {
     L.control.zoom({ position: "bottomright" }).addTo(lmeState.map);
 
     lmeState.baseLayers.osm = L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
+        maxNativeZoom: 19,
         maxZoom: 22,
         attribution: "© OpenStreetMap contributors"
     });
 
     lmeState.baseLayers.satellite = L.tileLayer("https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}", {
+        maxNativeZoom: 19,
         maxZoom: 22,
         attribution: "Tiles © Esri"
     });
@@ -288,6 +291,22 @@ function enableDrawTools() {
     setInfo("Disegno attivo: crea POI, linee e aree sulla mappa.");
 }
 
+function clearDrawings() {
+    const count = lmeState.drawings.getLayers().length;
+    if (!count) {
+        setInfo("Non ci sono disegni o POI da eliminare.");
+        return;
+    }
+
+    if (!window.confirm(`Eliminare ${count} disegni e POI dalla mappa?`)) {
+        return;
+    }
+
+    lmeState.drawings.clearLayers();
+    updateGpsInsideState();
+    setInfo("Disegni e POI eliminati dalla mappa.");
+}
+
 function saveWorkspace() {
     const data = {
         drawings: lmeState.drawings.toGeoJSON(),