Prepare Pro 1.0.14 release

Components/Pages/Home.razor

@@ -3,6 +3,7 @@
 @inject PreciseLocationService LocationService
 @inject CadastralCatalogService CatalogService
 @inject OfficialCadastreService OfficialCadastreService
+@inject FiducialPointService FiducialPointService
 @inject LocationSearchService LocationSearchService
 @inject NetworkLocationService NetworkLocationService
 @inject AzureMapsService AzureMapsService
@@ -46,6 +47,7 @@
                 <button @onclick='() => SelectTab("map")'>@L("menu.map")</button>
                 <button @onclick='() => SelectTab("search")'>@L("menu.search")</button>
                 <button @onclick='() => SelectTab("cadastre")'>@L("menu.cadastre")</button>
+                <button @onclick='() => SelectTab("fiducials")'>Punti fiduciali</button>
                 <button @onclick='() => SelectTab("data")'>@L("menu.data")</button>
                 <button @onclick='() => SelectTab("projects")'>@L("menu.projects")</button>
                 <button @onclick='() => SelectTab("save")'>@L("menu.export")</button>
@@ -94,6 +96,16 @@
                         <small>Particelle e geometrie verdi di file e progetti</small>
                     </span>
                 </label>
+                @if (CanUse(AppFeatures.FiducialPoints))
+                {
+                    <label class="map-layer-option">
+                        <input type="checkbox" @bind="ShowFiducialPoints" @bind:after="ApplyFiducialVisibility" />
+                        <span>
+                            <strong>Punti fiduciali</strong>
+                            <small>PF georiferiti caricati nella ricerca Pro</small>
+                        </span>
+                    </label>
+                }
                 <section class="layer-tree-section">
                     <header>
                         <strong>Ordine livelli e oggetti</strong>
@@ -109,13 +121,18 @@
             </section>
         }
 
-        <div class="gps-overlay @(ActiveTab == "search" ? "search-open" : null)">
+        <div class="gps-overlay @(ActiveTab == "search" ? "search-open" : null) @(GpsOverlayCollapsed ? "is-collapsed" : null)">
             <div class="gps-state">
                 <span id="gpsState">GPS non attivo</span>
                 <strong id="parcelState">Nessuna particella selezionata</strong>
             </div>
-            <button class="gps-main" @onclick="ToggleGps">@(GpsActive ? "Ferma GPS" : "Avvia GPS")</button>
+            <div class="gps-actions">
-            <button class="gps-center" @onclick="CenterOnGps" aria-label="Centra posizione">Centra</button>
+                <button class="gps-main" @onclick="ToggleGps">@(GpsActive ? "Ferma GPS" : "Avvia GPS")</button>
+                <button class="gps-center" @onclick="CenterOnGps" aria-label="Centra posizione GPS">Centra</button>
+            </div>
+            <button class="gps-collapse" @onclick="ToggleGpsOverlay" aria-label="@(GpsOverlayCollapsed ? "Espandi pannello GPS" : "Riduci pannello GPS")" title="@(GpsOverlayCollapsed ? "Espandi pannello GPS" : "Riduci pannello GPS")">
+                <span aria-hidden="true">@(GpsOverlayCollapsed ? "+" : "−")</span>
+            </button>
         </div>
 
         @if (ActiveTab is not "map" and not "search")
@@ -196,6 +213,104 @@
                         <MenuHelp Topic="cadastre" />
                     </section>
                 }
+                else if (ActiveTab == "fiducials")
+                {
+                    <section class="panel-content">
+                        @if (!CanUse(AppFeatures.FiducialPoints))
+                        {
+                            <div class="service-note protected-service">
+                                <strong>Funzione LME Pro</strong>
+                                <p>La ricerca dei Punti Fiduciali e delle monografie ufficiali è disponibile con abbonamento Pro o chiave manuale valida.</p>
+                                <button class="primary-command" @onclick='() => SelectTab("settings")'>Apri abbonamento Pro</button>
+                            </div>
+                        }
+                        else
+                        {
+                            <label>
+                                Provincia
+                                <select value="@SelectedFiducialProvinceCode" @onchange="OnFiducialProvinceChanged" disabled="@FiducialBusy">
+                                    <option value="">Seleziona provincia</option>
+                                    @foreach (var province in FiducialProvinces)
+                                    {
+                                        <option value="@province.Code">@province.Name</option>
+                                    }
+                                </select>
+                            </label>
+
+                            <label>
+                                Comune catastale
+                                <select value="@SelectedFiducialMunicipalityCode" @onchange="OnFiducialMunicipalityChanged" disabled="@(FiducialMunicipalities.Count == 0 || FiducialBusy)">
+                                    <option value="">Seleziona comune</option>
+                                    @foreach (var municipality in FiducialMunicipalities)
+                                    {
+                                        <option value="@municipality.Code">@municipality.Name (@municipality.Code)</option>
+                                    }
+                                </select>
+                            </label>
+
+                            <label>
+                                Foglio
+                                <select @bind="SelectedFiducialSheet" disabled="@(FiducialSheets.Count == 0 || FiducialBusy)">
+                                    <option value="">Seleziona foglio</option>
+                                    @foreach (var sheet in FiducialSheets)
+                                    {
+                                        <option value="@sheet.Code">@sheet.Name</option>
+                                    }
+                                </select>
+                            </label>
+
+                            <button class="primary-command" @onclick="SearchFiducials" disabled="@(string.IsNullOrWhiteSpace(SelectedFiducialSheet) || FiducialBusy)">
+                                @(FiducialBusy ? "Ricerca..." : "Cerca Punti Fiduciali")
+                            </button>
+
+                            <label class="toggle-line">
+                                <input type="checkbox" @bind="KeepPreviousFiducialPoints" @bind:after="ApplyKeepPreviousFiducials" />
+                                <span>Mantieni i PF dei fogli già caricati</span>
+                            </label>
+                            <small class="field-help">Ogni foglio resta un sottogruppo separato nel pannello Layer, da cui puoi nasconderlo o rimuoverlo.</small>
+
+                            <label class="toggle-line">
+                                <input type="checkbox" @bind="ShowFiducialPoints" @bind:after="ApplyFiducialVisibility" />
+                                <span>Mostra i PF sulla mappa</span>
+                            </label>
+                            <label>
+                                Colore PF
+                                <input type="color" @bind="FiducialColor" @bind:after="ApplyFiducialColor" />
+                            </label>
+
+                            @if (!string.IsNullOrWhiteSpace(FiducialMessage))
+                            {
+                                <div class="catalog-progress"><span>@FiducialMessage</span></div>
+                            }
+
+                            @if (MappedFiducialPoints.Count > 0)
+                            {
+                                <section class="panel-section">
+                                    <h2>Punti cartografici (@MappedFiducialPoints.Count)</h2>
+                                    <button class="secondary-command" @onclick="FitFiducialPoints">Inquadra tutti i PF</button>
+                                    <div class="fiducial-list">
+                                        @foreach (var point in MappedFiducialPoints)
+                                        {
+                                            <article class="fiducial-item">
+                                                <strong>@point.Identifier</strong>
+                                                <small>Nord/X: @FormatCoordinate(point.CadastralNorth) · Est/Y: @FormatCoordinate(point.CadastralEast)</small>
+                                                @if (!string.IsNullOrWhiteSpace(point.MonographUrl))
+                                                {
+                                                    <button class="secondary-command" @onclick="() => DownloadFiducialMonograph(point.MonographUrl)">Scarica PDF monografia</button>
+                                                }
+                                            </article>
+                                        }
+                                    </div>
+                                </section>
+                            }
+
+                            <div class="service-note">
+                                <strong>Monografie ufficiali, posizione sperimentale</strong>
+                                <p>Elenco e PDF provengono dall'Agenzia delle Entrate; il posizionamento sperimentale usa il servizio cartografico GloboGIS. Le coordinate sono un ausilio: verificale prima di qualsiasi uso topografico o professionale.</p>
+                            </div>
+                        }
+                    </section>
+                }
                 else if (ActiveTab == "data")
                 {
                     <section class="panel-content">
@@ -553,6 +668,11 @@
                                 Trasparenza catasto
                                 <input type="range" min="0" max="1" step="0.05" value="@CadastralOpacity.ToString(System.Globalization.CultureInfo.InvariantCulture)" @onchange="ChangeCadastreOpacity" />
                             </label>
+                            <label>
+                                Durata messaggi mappa (secondi)
+                                <input type="number" min="0" max="30" step="1" @bind="MapMessageTimeoutSeconds" @bind:after="ApplyMapMessageOptions" />
+                            </label>
+                            <small class="field-help">Imposta 0 per lasciare i messaggi visibili fino alla chiusura manuale.</small>
                         </section>
 
                         <section class="panel-section">
@@ -689,7 +809,10 @@
             </aside>
         }
 
-        <div id="mapInfo" class="map-info">Pronto</div>
+        <div id="mapInfo" class="map-info" role="status" aria-live="polite">
+            <span id="mapInfoText" class="map-info-text">Pronto</span>
+            <button type="button" class="map-info-close" onclick="window.lmeMap.hideInfo()" aria-label="Chiudi messaggio" title="Chiudi messaggio">×</button>
+        </div>
 
         <div id="wmsPreview" class="wms-preview" hidden>
             <section class="wms-preview-dialog" role="dialog" aria-modal="true" aria-labelledby="wmsPreviewTitle">
@@ -732,6 +855,12 @@
     private string MonthlyPrice { get; set; } = string.Empty;
     private string YearlyPrice { get; set; } = string.Empty;
     private bool BillingBusy { get; set; }
+    private bool FiducialBusy { get; set; }
+    private string SelectedFiducialProvinceCode { get; set; } = string.Empty;
+    private string SelectedFiducialMunicipalityCode { get; set; } = string.Empty;
+    private string SelectedFiducialSheet { get; set; } = string.Empty;
+    private string FiducialMessage { get; set; } = string.Empty;
+    private string FiducialColor { get; set; } = "#dc2626";
     private string Status { get; set; } = "online";
     private string SelectedBaseLayer { get; set; } = "satellite";
     private string GoogleMapsApiKey { get; set; } = string.Empty;
@@ -743,10 +872,14 @@
     private string CatalogMessage { get; set; } = string.Empty;
     private double? CatalogFraction { get; set; }
     private double CadastralOpacity { get; set; } = 0.75;
+    private int MapMessageTimeoutSeconds { get; set; } = 3;
     private bool CatalogBusy { get; set; }
     private bool GpsActive { get; set; }
+    private bool GpsOverlayCollapsed { get; set; }
     private bool ShowGpsPosition { get; set; } = true;
     private bool ShowSelectedParcels { get; set; } = true;
+    private bool ShowFiducialPoints { get; set; } = true;
+    private bool KeepPreviousFiducialPoints { get; set; } = true;
     private bool ShowImportedData { get; set; } = true;
     private bool DrawToolsVisible { get; set; }
     private bool TrailEnabled { get; set; }
@@ -806,6 +939,11 @@
     private IReadOnlyList<MunicipalityOption> Municipalities { get; set; } = [];
     private IReadOnlyList<string> Sheets { get; set; } = [];
     private IReadOnlyList<ParcelOption> Parcels { get; set; } = [];
+    private IReadOnlyList<FiducialAreaOption> FiducialProvinces { get; set; } = [];
+    private IReadOnlyList<FiducialAreaOption> FiducialMunicipalities { get; set; } = [];
+    private IReadOnlyList<FiducialAreaOption> FiducialSheets { get; set; } = [];
+    private IReadOnlyList<FiducialPointEntry> FiducialPoints { get; set; } = [];
+    private IReadOnlyList<MappedFiducialPoint> MappedFiducialPoints { get; set; } = [];
     private IReadOnlyList<MapProjectSummary> Projects { get; set; } = [];
     private IReadOnlyList<MapProjectVersion> ProjectVersions { get; set; } = [];
     private MapProjectSummary? SelectedProject => Projects.FirstOrDefault(item => item.Id == SelectedProjectId);
@@ -819,6 +957,7 @@
     private string PanelTitle => ActiveTab switch
     {
         "cadastre" => "Ricerca catastale",
+        "fiducials" => "Punti fiduciali",
         "data" => "Dati e disegni",
         "projects" => "Archivio progetti",
         "save" => "Salvataggio ed esportazione",
@@ -830,6 +969,7 @@
     private string PanelEyebrow => ActiveTab switch
     {
         "cadastre" => "Regione, Comune, Foglio, Particella",
+        "fiducials" => "Monografie ufficiali AdE",
         "data" => "File GIS, misure e POI",
         "projects" => "Salva, apri e visualizza i tuoi lavori",
         "save" => "Esporta file GIS",
@@ -1041,6 +1181,10 @@
         {
             await RefreshProjectsAsync();
         }
+        if (tab == "fiducials" && CanUse(AppFeatures.FiducialPoints) && FiducialProvinces.Count == 0)
+        {
+            await LoadFiducialProvincesAsync();
+        }
         await Task.Delay(30);
         await JS.InvokeVoidAsync("lmeMap.resize");
         if (LayerPanelOpen)
@@ -1120,6 +1264,235 @@
             : await CatalogService.GetMunicipalitiesAsync(SelectedRegionFile);
     }
 
+    private async Task LoadFiducialProvincesAsync()
+    {
+        FiducialBusy = true;
+        FiducialMessage = "Carico l'elenco delle province...";
+        try
+        {
+            FiducialProvinces = await FiducialPointService.GetProvincesAsync();
+            FiducialMessage = string.Empty;
+        }
+        catch (Exception error)
+        {
+            FiducialMessage = $"Servizio monografie non disponibile: {error.GetBaseException().Message}";
+        }
+        finally
+        {
+            FiducialBusy = false;
+        }
+    }
+
+    private async Task OnFiducialProvinceChanged(ChangeEventArgs args)
+    {
+        SelectedFiducialProvinceCode = args.Value?.ToString() ?? string.Empty;
+        SelectedFiducialMunicipalityCode = string.Empty;
+        SelectedFiducialSheet = string.Empty;
+        FiducialMunicipalities = [];
+        FiducialSheets = [];
+        FiducialPoints = [];
+        MappedFiducialPoints = [];
+        if (string.IsNullOrWhiteSpace(SelectedFiducialProvinceCode))
+        {
+            FiducialMessage = string.Empty;
+            return;
+        }
+
+        FiducialBusy = true;
+        FiducialMessage = "Carico i Comuni catastali...";
+        try
+        {
+            FiducialMunicipalities = await FiducialPointService.GetMunicipalitiesAsync(SelectedFiducialProvinceCode);
+            FiducialMessage = string.Empty;
+        }
+        catch (Exception error)
+        {
+            FiducialMessage = $"Comuni non disponibili: {error.GetBaseException().Message}";
+        }
+        finally
+        {
+            FiducialBusy = false;
+        }
+    }
+
+    private async Task OnFiducialMunicipalityChanged(ChangeEventArgs args)
+    {
+        SelectedFiducialMunicipalityCode = args.Value?.ToString() ?? string.Empty;
+        SelectedFiducialSheet = string.Empty;
+        FiducialSheets = [];
+        FiducialPoints = [];
+        MappedFiducialPoints = [];
+        if (string.IsNullOrWhiteSpace(SelectedFiducialMunicipalityCode))
+        {
+            FiducialMessage = string.Empty;
+            return;
+        }
+
+        FiducialBusy = true;
+        FiducialMessage = "Carico i fogli disponibili...";
+        try
+        {
+            FiducialSheets = await FiducialPointService.GetSheetsAsync(
+                SelectedFiducialProvinceCode,
+                SelectedFiducialMunicipalityCode);
+            FiducialMessage = string.Empty;
+        }
+        catch (Exception error)
+        {
+            FiducialMessage = $"Fogli non disponibili: {error.GetBaseException().Message}";
+        }
+        finally
+        {
+            FiducialBusy = false;
+        }
+    }
+
+    private async Task SearchFiducials()
+    {
+        var municipality = FiducialMunicipalities.FirstOrDefault(item => item.Code == SelectedFiducialMunicipalityCode);
+        if (municipality is null || string.IsNullOrWhiteSpace(SelectedFiducialSheet))
+        {
+            return;
+        }
+
+        await LoadFiducialsForSheetAsync(
+            municipality.Code,
+            SelectedFiducialSheet,
+            municipality.Name);
+    }
+
+    private async Task LoadFiducialsForSheetAsync(
+        string municipalityCode,
+        string sheet,
+        string? municipalityName = null)
+    {
+        FiducialBusy = true;
+        FiducialPoints = [];
+        MappedFiducialPoints = [];
+        FiducialMessage = "Recupero monografie e coordinate dei PF...";
+        await InvokeAsync(StateHasChanged);
+        try
+        {
+            string? monographError = null;
+            try
+            {
+                FiducialPoints = await FiducialPointService.GetFiducialsAsync(
+                    municipalityCode,
+                    sheet);
+            }
+            catch (Exception error)
+            {
+                monographError = error.GetBaseException().Message;
+            }
+
+            var mapped = await FiducialPointService.GetMappedFiducialsAsync(
+                municipalityCode,
+                sheet);
+            var monographs = FiducialPoints.ToDictionary(
+                item => item.Identifier,
+                item => item.MonographUrl,
+                StringComparer.OrdinalIgnoreCase);
+            var currentMappedPoints = monographs.Count == 0
+                ? mapped
+                : mapped.Where(point => monographs.ContainsKey(point.Identifier)).ToArray();
+            MappedFiducialPoints = currentMappedPoints
+                .Select(point => point with
+                {
+                    MonographUrl = monographs.GetValueOrDefault(point.Identifier, string.Empty)
+                })
+                .ToArray();
+
+            await JS.InvokeVoidAsync(
+                "lmeMap.setFiducialPoints",
+                MappedFiducialPoints,
+                FiducialColor,
+                ShowFiducialPoints,
+                KeepPreviousFiducialPoints,
+                municipalityCode,
+                sheet,
+                string.IsNullOrWhiteSpace(municipalityName) ? municipalityCode : municipalityName);
+            FiducialMessage = MappedFiducialPoints.Count == 0
+                ? "Nessun Punto Fiduciale georiferito per il foglio selezionato."
+                : $"Caricati {MappedFiducialPoints.Count} PF del foglio {NormalizeSheetLabel(sheet)} e {FiducialPoints.Count} monografie ufficiali."
+                    + (monographError is null ? string.Empty : " Le monografie non sono al momento raggiungibili.");
+            await JS.InvokeVoidAsync("lmeMap.showInfo", FiducialMessage);
+        }
+        catch (Exception error)
+        {
+            FiducialMessage = $"Ricerca PF non riuscita: {error.GetBaseException().Message}";
+            await JS.InvokeVoidAsync("lmeMap.showInfo", FiducialMessage);
+        }
+        finally
+        {
+            FiducialBusy = false;
+            await InvokeAsync(StateHasChanged);
+        }
+    }
+
+    [JSInvokable]
+    public async Task DownloadFiducialsForMapSelection(
+        string municipalityCode,
+        string sheet,
+        string contextLabel)
+    {
+        if (!CanUse(AppFeatures.FiducialPoints))
+        {
+            await ShowProRequiredAsync();
+            return;
+        }
+
+        if (FiducialBusy)
+        {
+            await JS.InvokeVoidAsync("lmeMap.showInfo", "È già in corso una ricerca dei Punti Fiduciali.");
+            return;
+        }
+
+        await JS.InvokeVoidAsync("lmeMap.showInfo", $"Scarico i PF per {contextLabel}...");
+        var municipality = await CatalogService.FindMunicipalityAsync(municipalityCode);
+        await LoadFiducialsForSheetAsync(municipalityCode, sheet, municipality?.Name);
+    }
+
+    private static string NormalizeSheetLabel(string sheet) =>
+        int.TryParse(new string((sheet ?? string.Empty).Where(char.IsDigit).ToArray()), out var number)
+            ? number.ToString(System.Globalization.CultureInfo.InvariantCulture)
+            : sheet ?? string.Empty;
+
+    private async Task DownloadFiducialMonograph(string monographUrl)
+    {
+        try
+        {
+            await Launcher.Default.OpenAsync(new Uri(monographUrl));
+        }
+        catch (Exception error)
+        {
+            FiducialMessage = $"Impossibile aprire la monografia: {error.GetBaseException().Message}";
+        }
+    }
+
+    private async Task ApplyFiducialVisibility()
+    {
+        SaveFlagPreferences();
+        await JS.InvokeVoidAsync("lmeMap.setFiducialPointsVisible", ShowFiducialPoints);
+    }
+
+    private async Task ApplyFiducialColor()
+    {
+        SaveFlagPreferences();
+        await JS.InvokeVoidAsync("lmeMap.setFiducialColor", FiducialColor);
+    }
+
+    private Task ApplyKeepPreviousFiducials()
+    {
+        SaveFlagPreferences();
+        return Task.CompletedTask;
+    }
+
+    private async Task FitFiducialPoints() =>
+        await JS.InvokeVoidAsync("lmeMap.fitFiducialPoints");
+
+    private static string FormatCoordinate(double? value) =>
+        value?.ToString("0.000", System.Globalization.CultureInfo.InvariantCulture) ?? "-";
+
     private async Task OnMunicipalityChanged(ChangeEventArgs args)
     {
         SelectedMunicipalityCode = args.Value?.ToString() ?? string.Empty;
@@ -1305,7 +1678,7 @@
         Interlocked.Exchange(ref LastGpsLookupAt, now);
         try
         {
-            var radius = Math.Clamp(location.Accuracy ?? 5, 2, 25);
+            var radius = Math.Clamp(location.Accuracy ?? 12, 12, 30);
             var xml = await OfficialCadastreService.GetParcelsNearAsync(
                 location.Latitude,
                 location.Longitude,
@@ -2094,6 +2467,12 @@
 
     private Task CenterOnGps() => JS.InvokeVoidAsync("lmeMap.centerOnGps").AsTask();
 
+    private void ToggleGpsOverlay()
+    {
+        GpsOverlayCollapsed = !GpsOverlayCollapsed;
+        SaveFlagPreferences();
+    }
+
     private string L(string key) => L10n.T(key);
 
     private bool CanUse(string feature) => Entitlements.CanUse(feature);
@@ -2132,6 +2511,7 @@
     private Task ApplyEntitlementsToMapAsync() => JS.InvokeVoidAsync("lmeMap.setEntitlements", new
     {
         advancedGeometry = CanUse(AppFeatures.AdvancedGeometry),
+        fiducialPoints = CanUse(AppFeatures.FiducialPoints),
         maxDrawingObjects = Entitlements.HasProAccess ? (int?)null : EntitlementService.BaseDrawingObjectLimit,
         drawingLimitMessage = L("drawings.base.limit.reached")
     }).AsTask();
@@ -2339,6 +2719,9 @@
         DrawToolsVisible = GetFlagPreference("draw_tools_visible", false);
         ShowGpsPosition = GetFlagPreference("show_gps_position", true);
         ShowSelectedParcels = GetFlagPreference("show_selected_parcels", true);
+        ShowFiducialPoints = GetFlagPreference("show_fiducial_points", true);
+        KeepPreviousFiducialPoints = GetFlagPreference("keep_previous_fiducials", true);
+        FiducialColor = Preferences.Default.Get($"{FlagPreferencePrefix}fiducial_color", "#dc2626");
         TrailEnabled = GetFlagPreference("trail_enabled", false);
         ExportImported = GetFlagPreference("export_imported", true);
         ExportImportedSheets = GetFlagPreference("export_imported_sheets", true);
@@ -2356,6 +2739,11 @@
         OfflineExtraZoomLevels = Preferences.Default.Get($"{FlagPreferencePrefix}offline_zoom_levels", 2);
         GpsProximityEnabled = GetFlagPreference("gps_proximity", true);
         GpsBoundaryAlertEnabled = GetFlagPreference("gps_boundary_alert", false);
+        GpsOverlayCollapsed = GetFlagPreference("gps_overlay_collapsed", false);
+        MapMessageTimeoutSeconds = Math.Clamp(
+            Preferences.Default.Get($"{FlagPreferencePrefix}map_message_timeout", 3),
+            0,
+            30);
 
         foreach (var layer in CadastralLayers)
         {
@@ -2374,6 +2762,9 @@
         SetFlagPreference("draw_tools_visible", DrawToolsVisible);
         SetFlagPreference("show_gps_position", ShowGpsPosition);
         SetFlagPreference("show_selected_parcels", ShowSelectedParcels);
+        SetFlagPreference("show_fiducial_points", ShowFiducialPoints);
+        SetFlagPreference("keep_previous_fiducials", KeepPreviousFiducialPoints);
+        Preferences.Default.Set($"{FlagPreferencePrefix}fiducial_color", FiducialColor);
         SetFlagPreference("trail_enabled", TrailEnabled);
         SetFlagPreference("export_imported", ExportImported);
         SetFlagPreference("export_imported_sheets", ExportImportedSheets);
@@ -2391,6 +2782,8 @@
         Preferences.Default.Set($"{FlagPreferencePrefix}offline_zoom_levels", OfflineExtraZoomLevels);
         SetFlagPreference("gps_proximity", GpsProximityEnabled);
         SetFlagPreference("gps_boundary_alert", GpsBoundaryAlertEnabled);
+        SetFlagPreference("gps_overlay_collapsed", GpsOverlayCollapsed);
+        Preferences.Default.Set($"{FlagPreferencePrefix}map_message_timeout", MapMessageTimeoutSeconds);
 
         foreach (var layer in CadastralLayers)
         {
@@ -2400,6 +2793,7 @@
 
     private async Task ApplyFlagPreferencesToMapAsync()
     {
+        await JS.InvokeVoidAsync("lmeMap.setInfoTimeout", MapMessageTimeoutSeconds);
         await JS.InvokeVoidAsync("lmeMap.setIncludeKmlSheetLayer", IncludeKmlSheetLayer);
         await JS.InvokeVoidAsync("lmeMap.setImportedLayerVisible", ShowImportedData);
         await JS.InvokeVoidAsync("lmeMap.setImportedSheetLayerVisible", ShowImportedSheetLayer);
@@ -2408,6 +2802,8 @@
         await JS.InvokeVoidAsync("lmeMap.setDrawToolsVisible", DrawToolsVisible);
         await JS.InvokeVoidAsync("lmeMap.setGpsPositionVisible", ShowGpsPosition);
         await JS.InvokeVoidAsync("lmeMap.setSelectedParcelsVisible", ShowSelectedParcels);
+        await JS.InvokeVoidAsync("lmeMap.setFiducialColor", FiducialColor);
+        await JS.InvokeVoidAsync("lmeMap.setFiducialPointsVisible", ShowFiducialPoints);
         await JS.InvokeVoidAsync("lmeMap.toggleTrail", TrailEnabled);
 
         foreach (var layer in CadastralLayers)
@@ -2416,6 +2812,13 @@
         }
     }
 
+    private async Task ApplyMapMessageOptions()
+    {
+        MapMessageTimeoutSeconds = Math.Clamp(MapMessageTimeoutSeconds, 0, 30);
+        SaveFlagPreferences();
+        await JS.InvokeVoidAsync("lmeMap.setInfoTimeout", MapMessageTimeoutSeconds);
+    }
+
     private async Task ApplyAdvancedOptions()
     {
         SaveFlagPreferences();

LMEMappeCatastaliApp.csproj

@@ -20,6 +20,7 @@
         <ImplicitUsings>enable</ImplicitUsings>
         <EnableDefaultCssItems>false</EnableDefaultCssItems>
         <Nullable>enable</Nullable>
+        <DefaultItemExcludes>$(DefaultItemExcludes);obj/**;bin/**;obj-api36*/**;artifacts/**</DefaultItemExcludes>
 
         <!-- Display name -->
         <ApplicationTitle>LME Mappe Catastali Pro</ApplicationTitle>
@@ -28,8 +29,8 @@
         <ApplicationId>it.liviomerola.lmemappecatastali.pro</ApplicationId>
 
         <!-- Versions -->
-        <ApplicationDisplayVersion>1.0.8</ApplicationDisplayVersion>
+        <ApplicationDisplayVersion>1.0.14</ApplicationDisplayVersion>
-        <ApplicationVersion>108</ApplicationVersion>
+        <ApplicationVersion>114</ApplicationVersion>
         <Version>$(ApplicationDisplayVersion)</Version>
 
         <!-- To develop, package, and publish an app to the Microsoft Store, see: https://aka.ms/MauiTemplateUnpackaged -->
@@ -61,6 +62,7 @@
 
     <PropertyGroup Condition="'$(Configuration)' == 'Release' and $([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">
         <AndroidTargetSdkVersion>36</AndroidTargetSdkVersion>
+        <RuntimeIdentifiers>android-arm;android-arm64</RuntimeIdentifiers>
         <AndroidPackageFormat>aab</AndroidPackageFormat>
         <AndroidUseAapt2>true</AndroidUseAapt2>
         <AndroidCreatePackagePerAbi>false</AndroidCreatePackagePerAbi>

MauiProgram.cs

@@ -19,6 +19,7 @@ public static class MauiProgram
         builder.Services.AddSingleton<PreciseLocationService>();
         builder.Services.AddSingleton<CadastralCatalogService>();
         builder.Services.AddSingleton<OfficialCadastreService>();
+        builder.Services.AddSingleton<FiducialPointService>();
         builder.Services.AddSingleton<LocationSearchService>();
         builder.Services.AddSingleton<NetworkLocationService>();
         builder.Services.AddSingleton<AzureMapsService>();

PLAY_STORE_PRO_CHECKLIST.md

@@ -4,7 +4,7 @@
 
 - Nome: LME Mappe Catastali Pro.
 - Package name Android: `it.liviomerola.lmemappecatastali.pro`.
-- Versione corrente da pubblicare: `1.0.8` / version code `108`.
+- Versione corrente da pubblicare: `1.0.11` / version code `111`.
 - Formato Release Android: Android App Bundle (`.aab`).
 - Target SDK Release: Android 16 / API 36.
 

Platforms/Android/AndroidPlayBillingService.cs

@@ -209,17 +209,16 @@ public sealed class AndroidPlayBillingService : Java.Lang.Object, IPlayBillingSe
             throw new InvalidOperationException(ToMessage(result.Result));
         }
 
-        var details = result.ProductDetailsList?.FirstOrDefault();
+        // The .NET async wrapper copies the Java result into the managed
+        // ProductDetails property; ProductDetailsList has no Java handle here.
+        var details = result.ProductDetails?.FirstOrDefault();
         if (details is not null)
         {
             _lastCatalogFailure = null;
             return details;
         }
 
-        var unfetched = result.UnfetchedProductList?.FirstOrDefault();
+        _lastCatalogFailure = "Google Play ha restituito un catalogo vuoto per lme_pro. Verifica account Play Store, adesione al test e origine dell'installazione.";
-        _lastCatalogFailure = unfetched is null
-            ? "Google Play ha restituito un catalogo vuoto per lme_pro. Verifica account Play Store, adesione al test e origine dell'installazione."
-            : $"Google Play non ha caricato lme_pro (codice catalogo {unfetched.StatusCodeValue}).";
         return null;
     }
 

Platforms/Android/MainActivity.cs

@@ -102,7 +102,11 @@ public class MainActivity : MauiAppCompatActivity
         {
             if (view is null || insets is null) return insets;
             var systemBars = insets.GetInsets(WindowInsetsCompat.Type.SystemBars());
-            view.SetPadding(_left, _top, _right, systemBars?.Bottom ?? 0);
+            view.SetPadding(
+                _left,
+                systemBars?.Top ?? _top,
+                _right,
+                systemBars?.Bottom ?? 0);
             return insets;
         }
     }

README.md

@@ -4,6 +4,22 @@ App .NET MAUI Blazor Hybrid per Android, iOS, Mac Catalyst e Windows, pensata pe
 
 Informativa privacy: [PRIVACY_POLICY.md](PRIVACY_POLICY.md).
 
+## Versione Pro 1.0.11 test
+
+- Il flag Fogli catastali mostra il WMS di tutti i fogli agli zoom panoramici e, in dettaglio, il confine ufficiale WFS del foglio corrente anche senza dati caricati.
+- Se il foglio corrente e gia presente in un progetto o in un'importazione, l'overlay di navigazione non ne crea un duplicato.
+- La toolbar superiore rispetta l'area occupata dalla barra di stato e dalle notifiche Android.
+
+## Versione Pro 1.0.10 test
+
+- Migliora la compatibilita del servizio catastale AdE sui dispositivi Android meno recenti con HTTP/1.1, tentativi automatici e una ricerca GPS piu tollerante.
+- I messaggi sulla mappa si chiudono automaticamente dopo un intervallo configurabile, predefinito a 3 secondi, e includono un pulsante di chiusura.
+- La barra GPS mantiene sempre disponibili i comandi Avvia/Ferma e Centra, impilati sugli schermi stretti, e puo essere ridotta.
+
+## Versione Pro 1.0.9 test
+
+- Corregge la lettura del catalogo dal wrapper asincrono .NET di Google Play Billing, usando la raccolta managed `ProductDetails` popolata dal binding.
+
 ## Versione Pro 1.0.8 test
 
 - Google Play Billing accetta tutte le offerte idonee restituite per i piani `monthly` e `yearly`, preferendo il piano base quando disponibile.

Services/CadastralCatalogService.cs

@@ -40,6 +40,14 @@ public sealed class CadastralCatalogService
             .ToArray();
     }
 
+    public async Task<MunicipalityOption?> FindMunicipalityAsync(string municipalityCode)
+    {
+        var code = (municipalityCode ?? string.Empty).Trim();
+        var municipalities = await GetAllMunicipalitiesAsync();
+        return municipalities.FirstOrDefault(item =>
+            string.Equals(item.Code, code, StringComparison.OrdinalIgnoreCase));
+    }
+
     public async Task<IReadOnlyList<string>> GetSheetsAsync(
         MunicipalityOption municipality,
         IProgress<CatalogProgress>? progress = null,

Services/EntitlementService.cs

@@ -21,7 +21,8 @@ public sealed class EntitlementService(
         AppFeatures.CloudSync,
         AppFeatures.OfflineMaps,
         AppFeatures.AdvancedGeometry,
-        AppFeatures.GpsTrail
+        AppFeatures.GpsTrail,
+        AppFeatures.FiducialPoints
     };
 
     public bool IsGoogleProActive { get; private set; }
@@ -185,4 +186,5 @@ public static class AppFeatures
     public const string OfflineMaps = "offline-maps";
     public const string AdvancedGeometry = "advanced-geometry";
     public const string GpsTrail = "gps-trail";
+    public const string FiducialPoints = "fiducial-points";
 }

Services/FiducialPointService.cs

@@ -0,0 +1,292 @@
+using System.Net;
+using System.Net.Http.Headers;
+using System.Text.Json;
+using System.Text.RegularExpressions;
+
+namespace LMEMappeCatastaliApp.Services;
+
+public sealed partial class FiducialPointService
+{
+    private const string ServiceBaseUrl = "https://www1.agenziaentrate.gov.it/servizi/Monografie/";
+    private const string MappedPointsUrl = "https://cartografia.globogis.it/arcgis/rest/services/fiduciali/Punti_fiduciali/MapServer/2/query";
+    private readonly HttpClient _httpClient = new() { Timeout = TimeSpan.FromSeconds(30) };
+
+    public FiducialPointService()
+    {
+        _httpClient.DefaultRequestHeaders.UserAgent.ParseAdd("LMEMappeCatastali/1.0 (Android)");
+        _httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("text/html"));
+    }
+
+    public async Task<IReadOnlyList<FiducialAreaOption>> GetProvincesAsync(
+        CancellationToken cancellationToken = default)
+    {
+        var html = await GetHtmlAsync("ricerca.php", cancellationToken);
+        return ParseOptions(html, "provincia");
+    }
+
+    public async Task<IReadOnlyList<FiducialAreaOption>> GetMunicipalitiesAsync(
+        string provinceCode,
+        CancellationToken cancellationToken = default)
+    {
+        var code = NormalizeCode(provinceCode);
+        var html = await GetHtmlAsync($"ricerca.php?level=1&prov={Uri.EscapeDataString(code)}", cancellationToken);
+        return ParseOptions(html, "co");
+    }
+
+    public async Task<IReadOnlyList<FiducialAreaOption>> GetSheetsAsync(
+        string provinceCode,
+        string municipalityCode,
+        CancellationToken cancellationToken = default)
+    {
+        var province = NormalizeCode(provinceCode);
+        var municipality = NormalizeCode(municipalityCode);
+        var path = $"ricerca.php?level=2&prov={Uri.EscapeDataString(province)}";
+        var html = await PostFormAsync(path, new Dictionary<string, string> { ["co"] = municipality }, cancellationToken);
+        return ParseOptions(html, "foglio");
+    }
+
+    public async Task<IReadOnlyList<FiducialPointEntry>> GetFiducialsAsync(
+        string provinceName,
+        string municipalityName,
+        string municipalityCode,
+        string sheet,
+        CancellationToken cancellationToken = default)
+    {
+        var code = NormalizeCode(municipalityCode);
+        var normalizedSheet = sheet.Trim();
+        var query = string.Join("&",
+        [
+            $"provincia={Uri.EscapeDataString(provinceName.Trim())}",
+            $"comune={Uri.EscapeDataString(municipalityName.Trim())}",
+            $"co={Uri.EscapeDataString(code)}"
+        ]);
+        var html = await PostFormAsync(
+            $"risultato.php?{query}",
+            new Dictionary<string, string> { ["foglio"] = normalizedSheet },
+            cancellationToken);
+
+        return ParseFiducialLinks(html);
+    }
+
+    public async Task<IReadOnlyList<FiducialPointEntry>> GetFiducialsAsync(
+        string municipalityCode,
+        string sheet,
+        CancellationToken cancellationToken = default)
+    {
+        var code = NormalizeCode(municipalityCode);
+        var normalizedSheet = NormalizeSheet(sheet);
+        var html = await GetHtmlAsync(
+            $"risultato.php?co={Uri.EscapeDataString(code)}&foglio={Uri.EscapeDataString(normalizedSheet)}",
+            cancellationToken);
+
+        return ParseFiducialLinks(html);
+    }
+
+    private static IReadOnlyList<FiducialPointEntry> ParseFiducialLinks(string html) =>
+        DownloadLinkRegex().Matches(html)
+            .Select(match =>
+            {
+                var relativeUrl = WebUtility.HtmlDecode(match.Groups["url"].Value);
+                var fileName = WebUtility.HtmlDecode(match.Groups["name"].Value);
+                return new FiducialPointEntry(
+                    FormatIdentifier(fileName),
+                    new Uri(new Uri(ServiceBaseUrl), relativeUrl).AbsoluteUri);
+            })
+            .DistinctBy(item => item.Identifier, StringComparer.OrdinalIgnoreCase)
+            .OrderBy(item => item.Identifier, StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+
+    public async Task<IReadOnlyList<MappedFiducialPoint>> GetMappedFiducialsAsync(
+        string municipalityCode,
+        string sheet,
+        CancellationToken cancellationToken = default)
+    {
+        var municipality = NormalizeCode(municipalityCode);
+        if (!int.TryParse(NormalizeSheet(sheet), out var sheetNumber))
+        {
+            throw new ArgumentException("Numero di foglio non valido.", nameof(sheet));
+        }
+
+        var query = new Dictionary<string, string>
+        {
+            ["f"] = "json",
+            ["where"] = $"COMUNENAZI='{municipality}' AND FOGLIO={sheetNumber}",
+            ["outFields"] = "ETICHETTA,PARTICELLA,NORD,EST,ATTENDIBIL,QUOTA,DATAAGGIOR,IDORIGINE,URL_AGENZI,FOGLIO,ALLEGATO,FIDUCIALE",
+            ["returnGeometry"] = "true",
+            ["outSR"] = "3857",
+            ["resultRecordCount"] = "500"
+        };
+        var url = $"{MappedPointsUrl}?{string.Join('&', query.Select(item => $"{item.Key}={Uri.EscapeDataString(item.Value)}"))}";
+        using var response = await _httpClient.GetAsync(url, cancellationToken);
+        response.EnsureSuccessStatusCode();
+        await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken);
+        using var document = await JsonDocument.ParseAsync(stream, cancellationToken: cancellationToken);
+        if (document.RootElement.TryGetProperty("error", out var error))
+        {
+            throw new InvalidOperationException(error.TryGetProperty("message", out var message)
+                ? message.GetString()
+                : "Servizio cartografico PF non disponibile.");
+        }
+
+        if (!document.RootElement.TryGetProperty("features", out var features))
+        {
+            return [];
+        }
+
+        return features.EnumerateArray()
+            .Select(feature => ParseMappedPoint(feature, municipality))
+            .Where(point => point is not null)
+            .Cast<MappedFiducialPoint>()
+            .DistinctBy(point => point.Identifier, StringComparer.OrdinalIgnoreCase)
+            .OrderBy(point => point.Identifier, StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+    }
+
+    private static MappedFiducialPoint? ParseMappedPoint(JsonElement feature, string municipalityCode)
+    {
+        if (!feature.TryGetProperty("geometry", out var geometry)
+            || !TryGetDouble(geometry, "x", out var x)
+            || !TryGetDouble(geometry, "y", out var y))
+        {
+            return null;
+        }
+
+        var attributes = feature.GetProperty("attributes");
+        var label = GetString(attributes, "ETICHETTA");
+        var identifier = FormatIdentifier(label);
+        if (identifier == label)
+        {
+            var sheet = GetString(attributes, "FOGLIO").PadLeft(4, '0');
+            var number = GetString(attributes, "FIDUCIALE").PadLeft(2, '0');
+            identifier = $"PF{number}/{sheet}/{municipalityCode}";
+        }
+
+        const double earthRadius = 6378137d;
+        var longitude = x / earthRadius * 180d / Math.PI;
+        var latitude = (2d * Math.Atan(Math.Exp(y / earthRadius)) - Math.PI / 2d) * 180d / Math.PI;
+        return new MappedFiducialPoint(
+            identifier,
+            latitude,
+            longitude,
+            GetNullableDouble(attributes, "NORD"),
+            GetNullableDouble(attributes, "EST"),
+            GetString(attributes, "ATTENDIBIL"),
+            GetNullableDouble(attributes, "QUOTA"),
+            GetString(attributes, "PARTICELLA"),
+            GetString(attributes, "DATAAGGIOR"),
+            GetString(attributes, "IDORIGINE"));
+    }
+
+    private static bool TryGetDouble(JsonElement element, string name, out double value)
+    {
+        value = 0;
+        return element.TryGetProperty(name, out var property)
+            && (property.ValueKind == JsonValueKind.Number
+                ? property.TryGetDouble(out value)
+                : double.TryParse(property.ToString(), System.Globalization.NumberStyles.Float,
+                    System.Globalization.CultureInfo.InvariantCulture, out value));
+    }
+
+    private static double? GetNullableDouble(JsonElement element, string name) =>
+        TryGetDouble(element, name, out var value) ? value : null;
+
+    private static string GetString(JsonElement element, string name) =>
+        element.TryGetProperty(name, out var property) && property.ValueKind != JsonValueKind.Null
+            ? property.ToString().Trim()
+            : string.Empty;
+
+    private static string NormalizeSheet(string sheet)
+    {
+        var digits = new string((sheet ?? string.Empty).Where(char.IsDigit).ToArray());
+        if (string.IsNullOrWhiteSpace(digits))
+        {
+            throw new ArgumentException("Numero di foglio non valido.", nameof(sheet));
+        }
+
+        return int.TryParse(digits, out var number)
+            ? number.ToString(System.Globalization.CultureInfo.InvariantCulture)
+            : digits;
+    }
+
+    private async Task<string> GetHtmlAsync(string relativeUrl, CancellationToken cancellationToken)
+    {
+        using var response = await _httpClient.GetAsync(ServiceBaseUrl + relativeUrl, cancellationToken);
+        response.EnsureSuccessStatusCode();
+        return await response.Content.ReadAsStringAsync(cancellationToken);
+    }
+
+    private async Task<string> PostFormAsync(
+        string relativeUrl,
+        IReadOnlyDictionary<string, string> values,
+        CancellationToken cancellationToken)
+    {
+        using var content = new FormUrlEncodedContent(values);
+        using var response = await _httpClient.PostAsync(ServiceBaseUrl + relativeUrl, content, cancellationToken);
+        response.EnsureSuccessStatusCode();
+        return await response.Content.ReadAsStringAsync(cancellationToken);
+    }
+
+    private static IReadOnlyList<FiducialAreaOption> ParseOptions(string html, string selectId)
+    {
+        var select = SelectRegex().Matches(html)
+            .LastOrDefault(match => string.Equals(match.Groups["id"].Value, selectId, StringComparison.OrdinalIgnoreCase));
+        if (select is null)
+        {
+            return [];
+        }
+
+        return OptionRegex().Matches(select.Groups["body"].Value)
+            .Select(match => new FiducialAreaOption(
+                WebUtility.HtmlDecode(match.Groups["value"].Value).Trim(),
+                WebUtility.HtmlDecode(StripTagsRegex().Replace(match.Groups["label"].Value, string.Empty)).Trim()))
+            .Where(item => !string.IsNullOrWhiteSpace(item.Code) && !string.IsNullOrWhiteSpace(item.Name))
+            .DistinctBy(item => item.Code, StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+    }
+
+    private static string NormalizeCode(string value)
+    {
+        var normalized = value.Trim().ToUpperInvariant();
+        if (normalized.Length is < 2 or > 4 || normalized.Any(character => !char.IsLetterOrDigit(character)))
+        {
+            throw new ArgumentException("Codice territoriale non valido.", nameof(value));
+        }
+
+        return normalized;
+    }
+
+    private static string FormatIdentifier(string fileName)
+    {
+        var parts = fileName.Split('-', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+        return parts.Length == 3 ? $"PF{parts[2]}/{parts[1]}/{parts[0]}" : fileName;
+    }
+
+    [GeneratedRegex("<select\\b[^>]*(?:id|name)=[\\\"'](?<id>[^\\\"']+)[\\\"'][^>]*>(?<body>[\\s\\S]*?)</select>", RegexOptions.IgnoreCase, matchTimeoutMilliseconds: 2000)]
+    private static partial Regex SelectRegex();
+
+    [GeneratedRegex("<option\\b[^>]*value=[\\\"'](?<value>[^\\\"']*)[\\\"'][^>]*>(?<label>[\\s\\S]*?)</option>", RegexOptions.IgnoreCase, matchTimeoutMilliseconds: 2000)]
+    private static partial Regex OptionRegex();
+
+    [GeneratedRegex("href=[\\\"'](?<url>download\\.php\\?[^\\\"']*namefile=(?<name>[A-Z0-9-]+))[^\\\"']*[\\\"']", RegexOptions.IgnoreCase, matchTimeoutMilliseconds: 2000)]
+    private static partial Regex DownloadLinkRegex();
+
+    [GeneratedRegex("<[^>]+>", RegexOptions.None, 2000)]
+    private static partial Regex StripTagsRegex();
+}
+
+public sealed record FiducialAreaOption(string Code, string Name);
+
+public sealed record FiducialPointEntry(string Identifier, string MonographUrl);
+
+public sealed record MappedFiducialPoint(
+    string Identifier,
+    double Latitude,
+    double Longitude,
+    double? CadastralNorth,
+    double? CadastralEast,
+    string Reliability,
+    double? Elevation,
+    string Parcel,
+    string UpdatedAt,
+    string OriginId,
+    string MonographUrl = "");

Services/OfficialCadastreService.cs

@@ -1,4 +1,6 @@
 using System.Globalization;
+using System.Net;
+using System.Net.Http.Headers;
 using System.Xml.Linq;
 
 namespace LMEMappeCatastaliApp.Services;
@@ -13,8 +15,9 @@ public sealed class OfficialCadastreService
 
     public OfficialCadastreService()
     {
-        _httpClient.DefaultRequestHeaders.UserAgent.ParseAdd("LMEMappeCatastali/0.2");
+        _httpClient.DefaultRequestHeaders.UserAgent.ParseAdd("LMEMappeCatastali/1.0 (Android)");
-        _httpClient.DefaultRequestHeaders.Accept.ParseAdd("application/gml+xml");
+        _httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/gml+xml"));
+        _httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/xml", 0.9));
     }
 
     public async Task<string> GetParcelsNearAsync(
@@ -22,14 +25,30 @@ public sealed class OfficialCadastreService
         double longitude,
         double radiusMeters,
         CancellationToken cancellationToken = default)
-        => await GetFeaturesNearAsync(
+    {
+        var firstRadius = Math.Clamp(radiusMeters, 12, 30);
+        var xml = await GetFeaturesNearAsync(
             latitude,
             longitude,
-            radiusMeters,
+            firstRadius,
             "CP:CadastralParcel",
             100,
             cancellationToken);
 
+        if (firstRadius >= 30 || ContainsFeatures(xml))
+        {
+            return xml;
+        }
+
+        return await GetFeaturesNearAsync(
+            latitude,
+            longitude,
+            30,
+            "CP:CadastralParcel",
+            100,
+            cancellationToken);
+    }
+
     public async Task<string> GetSheetsNearAsync(
         double latitude,
         double longitude,
@@ -78,15 +97,65 @@ public sealed class OfficialCadastreService
         var url = WfsEndpoint + "?" + string.Join("&", query.Select(item =>
             $"{Uri.EscapeDataString(item.Key)}={Uri.EscapeDataString(item.Value)}"));
 
-        using var response = await _httpClient.GetAsync(url, HttpCompletionOption.ResponseContentRead, cancellationToken);
+        for (var attempt = 0; attempt < 3; attempt++)
-        if (!response.IsSuccessStatusCode)
         {
-            throw new HttpRequestException($"Il servizio WFS AdE ha risposto {((int)response.StatusCode)}.");
+            try
+            {
+                using var request = new HttpRequestMessage(HttpMethod.Get, url)
+                {
+                    Version = HttpVersion.Version11,
+                    VersionPolicy = HttpVersionPolicy.RequestVersionOrLower
+                };
+                request.Headers.CacheControl = new CacheControlHeaderValue { NoCache = true };
+
+                using var response = await _httpClient.SendAsync(
+                    request,
+                    HttpCompletionOption.ResponseContentRead,
+                    cancellationToken);
+                if (response.IsSuccessStatusCode)
+                {
+                    var xml = await response.Content.ReadAsStringAsync(cancellationToken);
+                    ThrowIfExceptionReport(xml);
+                    return xml;
+                }
+
+                if (attempt < 2 && IsTransient(response.StatusCode))
+                {
+                    await Task.Delay(TimeSpan.FromMilliseconds(500 * (attempt + 1)), cancellationToken);
+                    continue;
+                }
+
+                throw new HttpRequestException($"Il servizio WFS AdE ha risposto {((int)response.StatusCode)}.");
+            }
+            catch (HttpRequestException) when (attempt < 2)
+            {
+                await Task.Delay(TimeSpan.FromMilliseconds(500 * (attempt + 1)), cancellationToken);
+            }
+            catch (TaskCanceledException) when (!cancellationToken.IsCancellationRequested && attempt < 2)
+            {
+                await Task.Delay(TimeSpan.FromMilliseconds(500 * (attempt + 1)), cancellationToken);
+            }
         }
 
-        var xml = await response.Content.ReadAsStringAsync(cancellationToken);
+        throw new HttpRequestException("Il servizio WFS AdE non ha risposto dopo tre tentativi.");
-        ThrowIfExceptionReport(xml);
+    }
-        return xml;
+
+    private static bool IsTransient(HttpStatusCode statusCode) =>
+        statusCode is HttpStatusCode.RequestTimeout or HttpStatusCode.TooManyRequests
+        || (int)statusCode >= 500;
+
+    private static bool ContainsFeatures(string xml)
+    {
+        try
+        {
+            var document = XDocument.Parse(xml);
+            return document.Descendants().Any(element =>
+                element.Name.LocalName is "member" or "featureMember");
+        }
+        catch (System.Xml.XmlException)
+        {
+            return false;
+        }
     }
 
     private static string Format(double value) => value.ToString("R", CultureInfo.InvariantCulture);

wwwroot/css/app.css

@@ -1185,6 +1185,17 @@ input[type="checkbox"] {
     text-decoration: none;
 }
 
+.lme-geometry-toolbar a.lme-fiducial-download {
+    font-size: 12px !important;
+    letter-spacing: 0;
+}
+
+.lme-geometry-toolbar a.is-disabled {
+    color: #8b949e;
+    background: #eef1f3;
+    opacity: 0.72;
+}
+
 .leaflet-help {
     display: grid;
     gap: 14px;
@@ -1245,6 +1256,41 @@ input[type="checkbox"] {
     transition: top 140ms ease;
 }
 
+.gps-overlay.is-collapsed {
+    grid-template-columns: auto;
+    right: auto;
+    width: 48px;
+    max-width: 48px;
+    padding: 5px;
+}
+
+.gps-overlay.is-collapsed .gps-state,
+.gps-overlay.is-collapsed .gps-actions {
+    display: none;
+}
+
+.fiducial-list {
+    display: grid;
+    gap: 8px;
+}
+
+.fiducial-item {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) auto;
+    align-items: center;
+    gap: 10px;
+    padding: 10px 0;
+    border-bottom: 1px solid #d9e0e3;
+}
+
+.fiducial-item strong {
+    overflow-wrap: anywhere;
+}
+
+.fiducial-item .secondary-command {
+    margin: 0;
+}
+
 .gps-overlay.search-open {
     top: 140px;
 }
@@ -1267,8 +1313,14 @@ input[type="checkbox"] {
     color: #a33227;
 }
 
+.gps-actions {
+    display: grid;
+    gap: 5px;
+}
+
 .gps-main,
-.gps-center {
+.gps-center,
+.gps-collapse {
     min-height: 38px;
     padding: 0 10px;
     white-space: nowrap;
@@ -1279,6 +1331,15 @@ input[type="checkbox"] {
     color: var(--ink);
 }
 
+.gps-collapse {
+    width: 38px;
+    padding: 0;
+    background: #e7ecef;
+    color: var(--ink);
+    font-size: 22px;
+    line-height: 1;
+}
+
 .leaflet-top.leaflet-right {
     top: 68px;
     right: 2px;
@@ -1293,6 +1354,21 @@ input[type="checkbox"] {
     height: 38px;
 }
 
+.cadastral-sheet-label {
+    width: auto !important;
+    height: auto !important;
+    border: 1px solid #9a5b00;
+    border-radius: 4px;
+    padding: 3px 6px;
+    background: rgba(255, 251, 235, 0.94);
+    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.28);
+    color: #713f12;
+    font-size: 11px;
+    font-weight: 800;
+    line-height: 1.2;
+    white-space: nowrap;
+}
+
 .lme-drawing-scope-actions a[aria-disabled="true"] {
     opacity: 0.45;
     pointer-events: none;
@@ -1566,11 +1642,36 @@ label {
     z-index: 820;
     max-width: min(620px, calc(100% - 460px));
     border-radius: 8px;
-    padding: 9px 11px;
+    display: flex;
+    align-items: flex-start;
+    gap: 8px;
+    padding: 7px 7px 7px 11px;
     background: rgba(22, 31, 38, 0.88);
     color: #fff;
     font-size: 12px;
-    pointer-events: none;
+    pointer-events: auto;
+}
+
+.map-info[hidden] {
+    display: none;
+}
+
+.map-info-text {
+    min-width: 0;
+    padding: 2px 0;
+    overflow-wrap: anywhere;
+}
+
+.map-info-close {
+    flex: 0 0 28px;
+    width: 28px;
+    min-height: 28px;
+    padding: 0;
+    border: 0;
+    background: transparent;
+    color: #fff;
+    font-size: 20px;
+    line-height: 1;
 }
 
 .wms-preview[hidden] {
@@ -1816,13 +1917,19 @@ footer {
         top: 136px;
     }
 
+    .gps-overlay.is-collapsed {
+        right: auto;
+        width: 48px;
+        max-width: 48px;
+    }
+
     .leaflet-top.leaflet-right {
-        top: 122px;
+        top: 174px;
         right: 0;
     }
 
     .map-stage.search-active .leaflet-top.leaflet-right {
-        top: 190px;
+        top: 242px;
     }
 
     .gps-main,
@@ -1835,12 +1942,15 @@ footer {
         right: 8px;
         bottom: calc(var(--nav-height) + 116px);
         left: 8px;
-        display: -webkit-box;
         max-width: none;
         overflow: hidden;
         line-height: 1.35;
-        overflow-wrap: anywhere;
         white-space: normal;
+    }
+
+    .map-info-text {
+        display: -webkit-box;
+        overflow: hidden;
         -webkit-box-orient: vertical;
         -webkit-line-clamp: 3;
     }
@@ -1864,8 +1974,24 @@ footer {
         min-width: 0;
     }
 
+    .gps-overlay {
+        grid-template-columns: minmax(0, 1fr) auto auto;
+    }
+
+    .gps-overlay.is-collapsed {
+        grid-template-columns: auto;
+        right: auto;
+        width: 48px;
+        max-width: 48px;
+    }
+
+    .fiducial-item {
+        grid-template-columns: minmax(0, 1fr);
+    }
+
+    .gps-main,
     .gps-center {
-        display: none;
+        min-width: 86px;
     }
 
     .bottom-tabs button {

wwwroot/js/lme-map.js

@@ -5,8 +5,9 @@ const lmeState = {
     currentBaseName: "satellite",
     layerOrder: [
         "gpsPosition",
-        "drawings",
         "gpsTrail",
+        "fiducials",
+        "drawings",
         "gpsParcels",
         "selectedParcels",
         "importedSheets",
@@ -14,8 +15,14 @@ const lmeState = {
         "cadastre"
     ],
     cadastre: null,
+    cadastreZoning: null,
     cadastreLayers: ["CP.CadastralParcel", "codice_plla", "CP.CadastralZoning", "fabbricati"],
     cadastreOpacity: 0.75,
+    navigationSheetLayer: null,
+    navigationSheetFeature: null,
+    navigationSheetLabel: null,
+    navigationSheetRefreshTimer: null,
+    navigationSheetRequestId: 0,
     imported: null,
     importedVisible: true,
     importedSheets: null,
@@ -29,6 +36,7 @@ const lmeState = {
     drawingDeleteButton: null,
     drawingScopeMenu: null,
     geometryToolsControl: null,
+    fiducialDownloadButton: null,
     ignoreMapClickUntil: 0,
     activeDrawHandler: null,
     drawEventsBound: false,
@@ -44,12 +52,17 @@ const lmeState = {
     gpsTrail: null,
     selectedParcelsLayer: null,
     selectedParcelsVisible: true,
+    fiducials: null,
+    fiducialsVisible: true,
+    fiducialColor: "#dc2626",
     gpsParcelLayer: null,
     gpsTrailEnabled: false,
     gpsTrailPoints: [],
     gpsTrailStartedAt: null,
     gpsWatchId: null,
     lastPosition: null,
+    infoTimeoutSeconds: 3,
+    infoTimer: null,
     fileImportBound: false,
     resizeBound: false,
     googleMapsLoading: null,
@@ -123,6 +136,10 @@ window.lmeMap = {
     closeCadastrePreview,
     clearSelectedParcels,
     setSelectedParcelsVisible,
+    setFiducialPoints,
+    setFiducialPointsVisible,
+    setFiducialColor,
+    fitFiducialPoints,
     clearMapElements,
     fitImported,
     clearImported,
@@ -185,7 +202,9 @@ window.lmeMap = {
     setLocalization,
     setEntitlements,
     importExternalGisFile,
-    showInfo: setInfo
+    showInfo: setInfo,
+    hideInfo,
+    setInfoTimeout
 };
 
 function setLocalization(options = {}) {
@@ -207,6 +226,7 @@ function setLocalization(options = {}) {
 
 function setEntitlements(options = {}) {
     lmeState.entitlements = { ...lmeState.entitlements, ...options };
+    updateFiducialDownloadButton();
 }
 
 function requireProFeature(feature) {
@@ -300,7 +320,15 @@ function init(dotNetReference) {
     lmeState.importedMeasurements = L.layerGroup().addTo(lmeState.map);
     lmeState.drawingMeasurements = L.layerGroup().addTo(lmeState.map);
     lmeState.selectedParcelsLayer = L.featureGroup().addTo(lmeState.map);
+    lmeState.fiducials = L.featureGroup().addTo(lmeState.map);
     lmeState.gpsParcelLayer = L.featureGroup().addTo(lmeState.map);
+    const navigationSheetPane = lmeState.map.createPane("navigationSheetPane");
+    navigationSheetPane.style.zIndex = "465";
+    navigationSheetPane.style.pointerEvents = "none";
+    const cadastreZoningPane = lmeState.map.createPane("cadastreZoningPane");
+    cadastreZoningPane.style.zIndex = "455";
+    cadastreZoningPane.style.pointerEvents = "none";
+    lmeState.navigationSheetLayer = L.layerGroup().addTo(lmeState.map);
     lmeState.gpsTrail = L.polyline([], {
         pane: "gpsTrailPane",
         color: "#f97316",
@@ -335,6 +363,7 @@ function init(dotNetReference) {
     lmeState.map.on("moveend", () => {
         void updateAzureAttribution();
         scheduleMeasurementRefresh();
+        scheduleNavigationSheetRefresh();
     });
 
     document.getElementById("closeWmsPreview")?.addEventListener("click", closeCadastrePreview);
@@ -1321,6 +1350,7 @@ function managedLayerPanes() {
         gpsTrail: "gpsTrailPane",
         gpsParcels: "gpsParcelsPane",
         selectedParcels: "selectedParcelsPane",
+        fiducials: "fiducialsPane",
         importedSheets: "importedSheetPane",
         imported: "importedPane",
         cadastre: "cadastrePane"
@@ -1351,7 +1381,8 @@ function restoreLayerOrder() {
     try {
         const saved = JSON.parse(localStorage.getItem("lmeMapLayerOrder") || "null");
         if (Array.isArray(saved)) {
-            lmeState.layerOrder = saved;
+            const remaining = saved.filter(key => !["gpsPosition", "gpsTrail", "fiducials"].includes(key));
+            lmeState.layerOrder = ["gpsPosition", "gpsTrail", "fiducials", ...remaining];
         }
     } catch {
     }
@@ -1409,6 +1440,7 @@ function layerManagerCategories() {
         { key: "gpsTrail", label: "Traccia GPS", roots: [lmeState.gpsTrail].filter(Boolean) },
         { key: "gpsParcels", label: "Particella rilevata dal GPS", roots: [lmeState.gpsParcelLayer].filter(Boolean) },
         { key: "selectedParcels", label: "Particelle catastali evidenziate", roots: [lmeState.selectedParcelsLayer].filter(Boolean) },
+        { key: "fiducials", label: "Punti fiduciali", roots: [lmeState.fiducials].filter(Boolean), blocks: true },
         { key: "importedSheets", label: "Cornici e fogli importati", roots: [lmeState.importedSheets].filter(Boolean), blocks: true },
         { key: "imported", label: "Progetti e dati importati", roots: [lmeState.imported].filter(Boolean), blocks: true },
         { key: "cadastre", label: "Layer catastali AdE", roots: [lmeState.cadastre].filter(Boolean) }
@@ -1596,11 +1628,11 @@ async function renameManagedBlock(category, source, records) {
 
 function managedCategoryCanRemove(category, records) {
     return records.length > 0
-        && ["drawings", "imported", "importedSheets", "selectedParcels", "gpsParcels"].includes(category.key);
+        && ["drawings", "imported", "importedSheets", "selectedParcels", "gpsParcels", "fiducials"].includes(category.key);
 }
 
 function managedObjectCanRemove(record) {
-    return ["drawings", "imported", "importedSheets", "selectedParcels", "gpsParcels"].includes(record.categoryKey);
+    return ["drawings", "imported", "importedSheets", "selectedParcels", "gpsParcels", "fiducials"].includes(record.categoryKey);
 }
 
 function managedCategoryCanMove(categoryKey) {
@@ -1862,6 +1894,7 @@ function managedObjectDetails(layer) {
 }
 
 function refreshLayerManager() {
+    updateFiducialDownloadButton();
     const container = document.getElementById("layerManagerTree");
     if (!container || !lmeState.map) {
         return;
@@ -1997,8 +2030,12 @@ function renderLayerManagerBlock(category, source, records) {
     const blockName = managedBlockName(source, records);
     const rowActions = layerManagerRowActions(
         `<button type="button" class="layer-rename-button" aria-label="Rinomina gruppo" title="Rinomina">Rinomina</button>`,
-        `<button type="button" class="layer-membership-button" aria-label="Sposta gruppo in un altro gruppo" title="Sposta nel gruppo">Sposta nel gruppo</button>`,
+        managedCategoryCanMove(category.key)
-        `<button type="button" class="layer-remove-button" aria-label="Rimuovi gruppo dal progetto" title="Rimuovi dal progetto">Rimuovi</button>`);
+            ? `<button type="button" class="layer-membership-button" aria-label="Sposta gruppo in un altro gruppo" title="Sposta nel gruppo">Sposta nel gruppo</button>`
+            : "",
+        managedObjectCanRemove(records[0])
+            ? `<button type="button" class="layer-remove-button" aria-label="Rimuovi gruppo dal progetto" title="Rimuovi dal progetto">Rimuovi</button>`
+            : "");
     block.classList.add("layer-manager-with-actions");
     const blockLocked = records.length > 0 && records.every(record => Boolean(record.layer?.feature?.properties?._lmeLocked));
     block.innerHTML = `<summary>${layerExpandButton(block.open, blockName)}<button type="button" class="layer-drag-handle" aria-label="Trascina blocco">☰</button><input type="checkbox" ${visible ? "checked" : ""} aria-label="Mostra ${escapeHtml(blockName)}"><span class="layer-manager-title">${escapeHtml(blockName)}</span><button type="button" class="layer-inline-lock ${blockLocked ? "is-locked" : ""}" aria-label="${blockLocked ? "Sblocca" : "Blocca"} gruppo" title="${blockLocked ? "Sblocca" : "Blocca"}">${blockLocked ? "🔒" : "🔓"}</button>${rowActions}${layerManagerMoveButtons("blocco")}<span class="layer-manager-count">${records.length}</span></summary><div class="layer-manager-children"></div>`;
@@ -2019,12 +2056,12 @@ function renderLayerManagerBlock(category, source, records) {
         event.stopPropagation();
         renameManagedBlock(category, source, records);
     });
-    block.querySelector(".layer-remove-button").addEventListener("click", event => {
+    block.querySelector(".layer-remove-button")?.addEventListener("click", event => {
         event.preventDefault();
         event.stopPropagation();
         removeManagedRecords(records, `il gruppo '${blockName}'`);
     });
-    block.querySelector(".layer-membership-button").addEventListener("click", event => {
+    block.querySelector(".layer-membership-button")?.addEventListener("click", event => {
         event.preventDefault();
         event.stopPropagation();
         showMoveManagedRecordsDialog(records, `il gruppo '${blockName}'`);
@@ -2914,6 +2951,7 @@ function showLeafletToolbarHelp() {
             <div><dt>✓</dt><dd><strong>Controlla e ripara</strong>Verifica gli oggetti selezionati e prova a correggere coordinate duplicate o poligoni non validi. Esempio: usalo quando un contorno importato non si esporta o si riempie male; al termine compare un riepilogo.</dd></div>
             <div><dt>◉</dt><dd><strong>Crea foro</strong>Seleziona esattamente due poligoni: prima l'area esterna, poi quella interna. Esempio: sottrai il cortile dal perimetro di un fabbricato o un'isola esclusa da un'area di lavoro.</dd></div>
             <div><dt>⇄</dt><dd><strong>Confronta due confini</strong>Seleziona esattamente due poligoni. L'app crea il solo primo in rosso, il solo secondo in blu e la sovrapposizione in verde, mostrando le rispettive aree.</dd></div>
+            <div><dt>PF</dt><dd><strong>Scarica Punti Fiduciali</strong>Seleziona una particella o un foglio catastale; in alternativa usa la particella rilevata dal GPS. I PF vengono aggiunti come sottogruppo del relativo foglio.</dd></div>
             <div><dt>?</dt><dd><strong>Guida</strong>Riapre questa descrizione. I risultati di riparazione e confronto vengono mostrati anche in una finestra, così l'operazione non resta senza riscontro.</dd></div>
         </dl>
     </div>`);
@@ -2929,6 +2967,7 @@ function addGeometryToolsControl() {
                 { icon: "✓", title: "Controlla e ripara geometrie", run: validateAndRepairSelected },
                 { icon: "◉", title: "Crea foro da due poligoni", run: createHoleFromSelected },
                 { icon: "⇄", title: "Confronta due confini", run: compareSelectedGeometries },
+                { icon: "PF", title: "Scarica PF del foglio o della particella", run: downloadFiducialsForMapContext, fiducials: true },
                 { icon: "?", title: "Guida strumenti mappa", run: showLeafletToolbarHelp }
             ];
             actions.forEach(action => {
@@ -2938,6 +2977,10 @@ function addGeometryToolsControl() {
                 button.setAttribute("role", "button");
                 button.setAttribute("aria-label", action.title);
                 button.textContent = action.icon;
+                if (action.fiducials) {
+                    button.classList.add("lme-fiducial-download");
+                    lmeState.fiducialDownloadButton = button;
+                }
                 L.DomEvent.on(button, "click", event => { L.DomEvent.stop(event); action.run(); });
             });
             L.DomEvent.disableClickPropagation(container);
@@ -2945,6 +2988,88 @@ function addGeometryToolsControl() {
         }
     });
     lmeState.geometryToolsControl = new GeometryTools().addTo(lmeState.map);
+    updateFiducialDownloadButton();
+}
+
+function downloadFiducialsForMapContext() {
+    if (!requireProFeature("fiducialPoints")) return false;
+    const context = currentFiducialMapContext();
+    if (!context) {
+        setInfo("Seleziona una particella o un foglio catastale. Se il GPS è attivo puoi usare anche la particella corrente.");
+        return false;
+    }
+    if (!lmeState.dotNetReference) {
+        setInfo("Servizio PF non ancora pronto. Riprova tra poco.");
+        return false;
+    }
+    void lmeState.dotNetReference.invokeMethodAsync(
+        "DownloadFiducialsForMapSelection",
+        context.municipalityCode,
+        context.sheet,
+        context.label);
+    return true;
+}
+
+function currentFiducialMapContext() {
+    const selected = selectedManagedRecords();
+    if (!selected.length && lmeState.managerHighlightedObjectId) {
+        const highlighted = lmeState.managerRecords?.get?.(lmeState.managerHighlightedObjectId);
+        if (highlighted) selected.push(highlighted);
+    }
+    const preferred = selected.filter(record => ["selectedParcels", "gpsParcels", "importedSheets", "imported"].includes(record.categoryKey));
+    for (const record of preferred) {
+        const context = fiducialContextFromLayer(record.layer);
+        if (context) return context;
+    }
+
+    const gpsLayers = managedRecordsForCategory(layerManagerCategories().find(category => category.key === "gpsParcels"));
+    for (const record of gpsLayers) {
+        const context = fiducialContextFromLayer(record.layer);
+        if (context) return context;
+    }
+    return null;
+}
+
+function fiducialContextFromLayer(layer) {
+    const properties = layer?.feature?.properties || {};
+    const municipalityCode = String(properties._lmeMunicipalityCode || "").trim().toUpperCase();
+    const sheet = normalizeFiducialSheet(properties._lmeSheet || properties.foglio || properties.FOGLIO || properties.sheet || properties.SHEET);
+    if (/^[A-Z][0-9A-Z]{3}$/.test(municipalityCode) && sheet) {
+        return { municipalityCode, sheet, label: `Comune ${municipalityCode}, foglio ${sheet}` };
+    }
+
+    const references = [
+        properties.NATIONALCADASTRALREFERENCE,
+        properties.NATIONALCADASTRALZONINGREFERENCE,
+        properties.INSPIREID_LOCALID,
+        properties._lmeParcelReference,
+        properties.LABEL
+    ].filter(Boolean).map(value => String(value).toUpperCase());
+    for (const reference of references) {
+        const match = reference.match(/(?:^|\.)([A-Z][0-9A-Z]{3})[_-](\d{4})(?:\d{2})?(?:[._-]|$)/);
+        if (match) {
+            const parsedSheet = normalizeFiducialSheet(match[2]);
+            return { municipalityCode: match[1], sheet: parsedSheet, label: `Comune ${match[1]}, foglio ${parsedSheet}` };
+        }
+    }
+    return null;
+}
+
+function normalizeFiducialSheet(value) {
+    const digits = String(value ?? "").match(/\d+/)?.[0] || "";
+    if (!digits) return "";
+    return String(Number.parseInt(digits, 10));
+}
+
+function updateFiducialDownloadButton() {
+    const button = lmeState.fiducialDownloadButton;
+    if (!button) return;
+    const enabled = Boolean(lmeState.entitlements?.fiducialPoints && currentFiducialMapContext());
+    button.classList.toggle("is-disabled", !enabled);
+    button.setAttribute("aria-disabled", String(!enabled));
+    button.title = enabled
+        ? "Scarica PF del foglio o della particella"
+        : "Seleziona una particella o un foglio per scaricare i PF";
 }
 
 async function numericEditManagedRecord(record) {
@@ -3057,7 +3182,8 @@ function restoreLastTrashItem() {
     if (lmeState.readOnly) { setInfo("Il progetto e' in sola lettura."); return false; }
     const entry = lmeState.trash.pop();
     if (!entry) { setInfo("Il cestino e' vuoto."); return false; }
-    const drawingsToRestore = entry.items.filter(item => !["imported", "importedSheets"].includes(item.categoryKey)).length;
+    const drawingsToRestore = entry.items.filter(item =>
+        !["imported", "importedSheets", "fiducials"].includes(item.categoryKey)).length;
     if (!canAddDrawingObjects(drawingsToRestore)) {
         lmeState.trash.push(entry);
         return false;
@@ -3066,6 +3192,12 @@ function restoreLastTrashItem() {
     entry.items.forEach(item => {
         if (item.categoryKey === "imported") addImportedFeatures({ type: "FeatureCollection", features: [item.feature] });
         else if (item.categoryKey === "importedSheets") addImportedSheetFeatures({ type: "FeatureCollection", features: [item.feature] });
+        else if (item.categoryKey === "fiducials") {
+            L.geoJSON(item.feature, {
+                pointToLayer: (feature, latlng) => createFiducialMarker(feature, latlng),
+                onEachFeature: (feature, layer) => bindFiducialPopup(feature, layer)
+            }).eachLayer(layer => lmeState.fiducials.addLayer(layer));
+        }
         else addDrawingFeature(item.feature);
     });
     refreshLayerManager();
@@ -3253,6 +3385,8 @@ function setManagedCategoryVisible(category, visible) {
         lmeState.importedSheetsVisible = visible;
     } else if (category.key === "selectedParcels") {
         lmeState.selectedParcelsVisible = visible;
+    } else if (category.key === "fiducials") {
+        lmeState.fiducialsVisible = visible;
     } else if (category.key === "gpsPosition") {
         lmeState.gpsPositionVisible = visible;
     }
@@ -3326,6 +3460,9 @@ function managedCategoryEnabled(categoryKey) {
     if (categoryKey === "selectedParcels") {
         return lmeState.selectedParcelsVisible;
     }
+    if (categoryKey === "fiducials") {
+        return lmeState.fiducialsVisible;
+    }
     return true;
 }
 
@@ -4703,7 +4840,7 @@ function circleToPolygon(center, radiusMeters) {
 function createProjectSnapshot(includeCadastralParcels) {
     const center = lmeState.map.getCenter();
     return JSON.stringify({
-        schemaVersion: 5,
+        schemaVersion: 6,
         view: {
             latitude: center.lat,
             longitude: center.lng,
@@ -4713,6 +4850,7 @@ function createProjectSnapshot(includeCadastralParcels) {
         imported: managedGroupGeoJson(lmeState.imported, "imported"),
         importedSheets: managedGroupGeoJson(lmeState.importedSheets, "importedSheets"),
         importedSheetsVisible: lmeState.importedSheetsVisible,
+        fiducials: managedGroupGeoJson(lmeState.fiducials, "fiducials"),
         displayOptions: captureDisplayOptions(),
         selectedParcels: includeCadastralParcels
             ? managedGroupGeoJson(lmeState.selectedParcelsLayer, "selectedParcels")
@@ -4748,6 +4886,7 @@ function loadProjectSnapshot(raw, projectName) {
         lmeState.drawingMeasurements.clearLayers();
         lmeState.importedMeasurements.clearLayers();
         lmeState.selectedParcelsLayer.clearLayers();
+        lmeState.fiducials.clearLayers();
         lmeState.gpsParcelLayer.clearLayers();
 
         const restoredDrawings = L.geoJSON(data.drawings || emptyFeatureCollection(), {
@@ -4808,6 +4947,10 @@ function loadProjectSnapshot(raw, projectName) {
                 applyStyleFromProperties(layer);
             }
         }).addTo(lmeState.selectedParcelsLayer);
+        L.geoJSON(data.fiducials || emptyFeatureCollection(), {
+            pointToLayer: (feature, latlng) => createFiducialMarker(feature, latlng),
+            onEachFeature: (feature, layer) => bindFiducialPopup(feature, layer)
+        }).addTo(lmeState.fiducials);
         if (lmeState.importedSheetsVisible) {
             void ensureImportedSheetOutlines().then(() => {
                 applyImportedSheetVisibility();
@@ -4830,6 +4973,7 @@ function loadProjectSnapshot(raw, projectName) {
             lmeState.drawings,
             lmeState.imported,
             lmeState.selectedParcelsLayer,
+            lmeState.fiducials,
             lmeState.gpsTrail
         ];
         if (lmeState.importedSheetsVisible) {
@@ -4880,6 +5024,8 @@ function captureDisplayOptions() {
         drawToolsVisible: Boolean(lmeState.drawControl),
         gpsPositionVisible: lmeState.gpsPositionVisible,
         selectedParcelsVisible: lmeState.selectedParcelsVisible,
+        fiducialsVisible: lmeState.fiducialsVisible,
+        fiducialColor: lmeState.fiducialColor,
         layerOrder: [...lmeState.layerOrder],
         layerObjectOrder: { ...lmeState.managerObjectOrder },
         layerCategoryNames: { ...lmeState.managerCategoryNames },
@@ -4947,6 +5093,10 @@ function applyProjectDisplayOptions(options) {
     }
     setGpsPositionVisible(options.gpsPositionVisible !== false);
     setSelectedParcelsVisible(options.selectedParcelsVisible !== false);
+    if (typeof options.fiducialColor === "string") {
+        setFiducialColor(options.fiducialColor);
+    }
+    setFiducialPointsVisible(options.fiducialsVisible !== false);
     toggleTrail(Boolean(options.trailEnabled));
     setDrawToolsVisible(Boolean(options.drawToolsVisible));
     applyStoredLayerManagerVisibility();
@@ -5383,6 +5533,9 @@ function setCadastreOpacity(value) {
     if (lmeState.cadastre) {
         lmeState.cadastre.setOpacity(lmeState.cadastreOpacity);
     }
+    if (lmeState.cadastreZoning) {
+        lmeState.cadastreZoning.setOpacity(Math.max(0.8, lmeState.cadastreOpacity));
+    }
 }
 
 function toggleCadastreLayer(layer, enabled) {
@@ -5394,6 +5547,13 @@ function toggleCadastreLayer(layer, enabled) {
         lmeState.cadastreLayers = lmeState.cadastreLayers.filter(item => item !== layer);
     }
     refreshCadastreLayer();
+    if (layer === "CP.CadastralZoning") {
+        if (enabled) {
+            scheduleNavigationSheetRefresh(true);
+        } else {
+            clearNavigationSheetOutline();
+        }
+    }
     const layerNames = {
         "CP.CadastralParcel": "Confini particelle",
         codice_plla: "Numeri particelle",
@@ -5409,43 +5569,189 @@ function toggleCadastreLayer(layer, enabled) {
     setInfo(`${layerNames[layer] || layer}: ${enabled ? "attivo" : "nascosto"}.`);
 }
 
+function scheduleNavigationSheetRefresh(immediate = false) {
+    window.clearTimeout(lmeState.navigationSheetRefreshTimer);
+    if (!lmeState.map
+        || !lmeState.dotNetReference
+        || !lmeState.cadastreLayers.includes("CP.CadastralZoning")) {
+        return;
+    }
+    if (lmeState.map.getZoom() < 15) {
+        clearNavigationSheetOutline();
+        return;
+    }
+    lmeState.navigationSheetRefreshTimer = window.setTimeout(
+        () => void refreshNavigationSheetOutline(),
+        immediate ? 0 : 650);
+}
+
+async function refreshNavigationSheetOutline() {
+    if (!lmeState.map
+        || !lmeState.dotNetReference
+        || !lmeState.cadastreLayers.includes("CP.CadastralZoning")) {
+        return;
+    }
+
+    const center = lmeState.map.getCenter();
+    const point = [center.lng, center.lat];
+    if (loadedCadastralSheetAt(point)) {
+        clearNavigationSheetOutline();
+        return;
+    }
+    if (lmeState.navigationSheetFeature?.geometry
+        && geometryContainsPoint(lmeState.navigationSheetFeature.geometry, point)) {
+        lmeState.navigationSheetLabel?.setLatLng(center);
+        return;
+    }
+
+    const requestId = ++lmeState.navigationSheetRequestId;
+    try {
+        const xml = await lmeState.dotNetReference.invokeMethodAsync(
+            "GetOfficialCadastralSheetsNear",
+            center.lat,
+            center.lng);
+        if (requestId !== lmeState.navigationSheetRequestId
+            || !lmeState.cadastreLayers.includes("CP.CadastralZoning")) {
+            return;
+        }
+
+        const candidates = gmlParcelsToGeoJson(xml).features || [];
+        const sheet = findContainingPolygon(point, { type: "FeatureCollection", features: candidates })
+            || candidates[0];
+        if (!sheet) {
+            return;
+        }
+
+        const reference = String(sheet.properties?.NATIONALCADASTRALZONINGREFERENCE
+            || sheet.properties?.LABEL
+            || "").trim();
+        const previousReference = String(
+            lmeState.navigationSheetFeature?.properties?.NATIONALCADASTRALZONINGREFERENCE
+            || lmeState.navigationSheetFeature?.properties?.LABEL
+            || "").trim();
+        lmeState.navigationSheetFeature = sheet;
+        lmeState.navigationSheetLayer.clearLayers();
+        L.geoJSON(sheet, {
+            pane: "navigationSheetPane",
+            interactive: false,
+            style: {
+                color: "#f59e0b",
+                weight: 4,
+                opacity: 0.95,
+                dashArray: "10 6",
+                fillColor: "#fbbf24",
+                fillOpacity: 0.055
+            }
+        }).addTo(lmeState.navigationSheetLayer);
+        lmeState.navigationSheetLabel = L.marker(center, {
+            pane: "navigationSheetPane",
+            interactive: false,
+            icon: L.divIcon({
+                className: "cadastral-sheet-label",
+                html: escapeHtml(reference ? `Foglio ${reference}` : "Foglio catastale")
+            })
+        }).addTo(lmeState.navigationSheetLayer);
+        if (reference && reference !== previousReference) {
+            setInfo(`Confine del foglio catastale ${reference} caricato.`);
+        }
+    } catch {
+        if (requestId === lmeState.navigationSheetRequestId) {
+            setInfo("Confine del foglio catastale non disponibile dal servizio AdE. Riprovo al prossimo spostamento.");
+        }
+    }
+}
+
+function clearNavigationSheetOutline() {
+    window.clearTimeout(lmeState.navigationSheetRefreshTimer);
+    lmeState.navigationSheetRequestId++;
+    lmeState.navigationSheetFeature = null;
+    lmeState.navigationSheetLabel = null;
+    lmeState.navigationSheetLayer?.clearLayers();
+}
+
+function loadedCadastralSheetAt(point) {
+    const features = [
+        ...(lmeState.importedSheets?.toGeoJSON?.()?.features || []),
+        ...(lmeState.imported?.toGeoJSON?.()?.features || [])
+    ].filter(feature => ["Polygon", "MultiPolygon"].includes(feature?.geometry?.type)
+        && (feature.properties?._lmeOfficialSheet
+            || feature.properties?.NATIONALCADASTRALZONINGREFERENCE
+            || isSheetOrOverlayFeature(feature)));
+    return findContainingPolygon(point, { type: "FeatureCollection", features });
+}
+
 function refreshCadastreLayer() {
     if (lmeState.cadastre) {
         lmeState.map.removeLayer(lmeState.cadastre);
     }
-
+    if (lmeState.cadastreZoning) {
-    const layers = activeCadastreLayers();
+        lmeState.map.removeLayer(lmeState.cadastreZoning);
-    lmeState.cadastre = null;
-    if (!layers.length) {
-        return;
     }
 
-    const cadastreLayer = L.tileLayer.wms(cadastreUrl(), {
+    const zoningEnabled = lmeState.cadastreLayers.includes("CP.CadastralZoning");
-        pane: "cadastrePane",
+    const layers = activeCadastreLayers().filter(layer => layer !== "CP.CadastralZoning");
-        layers: layers.join(","),
+    lmeState.cadastre = null;
-        format: "image/png",
+    lmeState.cadastreZoning = null;
-        transparent: true,
-        version: "1.1.1",
-        crs: cadastreCrs,
-        maxZoom: 22,
-        opacity: lmeState.cadastreOpacity,
-        attribution: "Agenzia delle Entrate - CC BY 4.0"
-    });
 
+    if (layers.length) {
+        const cadastreLayer = L.tileLayer.wms(cadastreUrl(), {
+            pane: "cadastrePane",
+            layers: layers.join(","),
+            format: "image/png",
+            transparent: true,
+            version: "1.1.1",
+            crs: cadastreCrs,
+            maxZoom: 22,
+            opacity: lmeState.cadastreOpacity,
+            attribution: "Agenzia delle Entrate - CC BY 4.0"
+        });
+        attachCadastreTileRecovery(cadastreLayer);
+        lmeState.cadastre = cadastreLayer.addTo(lmeState.map);
+    }
+
+    if (zoningEnabled) {
+        const zoningLayer = L.tileLayer.wms(cadastreUrl(), {
+            pane: "cadastreZoningPane",
+            layers: "CP.CadastralZoning",
+            format: "image/png",
+            transparent: true,
+            version: "1.1.1",
+            crs: cadastreCrs,
+            minZoom: 8,
+            maxZoom: 14,
+            opacity: Math.max(0.8, lmeState.cadastreOpacity),
+            attribution: "Agenzia delle Entrate - CC BY 4.0"
+        });
+        attachCadastreTileRecovery(zoningLayer);
+        lmeState.cadastreZoning = zoningLayer.addTo(lmeState.map);
+        scheduleNavigationSheetRefresh(true);
+    }
+}
+
+function attachCadastreTileRecovery(cadastreLayer) {
     let errorShown = false;
-    cadastreLayer.on("tileerror", () => {
+    cadastreLayer.on("tileerror", event => {
+        const tile = event?.tile;
+        const retryCount = Number(tile?.dataset?.lmeRetry || 0);
+        if (tile && retryCount < 2) {
+            tile.dataset.lmeRetry = String(retryCount + 1);
+            window.setTimeout(() => {
+                const separator = tile.src.includes("?") ? "&" : "?";
+                tile.src = `${tile.src}${separator}_lme_retry=${Date.now()}`;
+            }, 450 * (retryCount + 1));
+            return;
+        }
+
         if (errorShown) {
             return;
         }
 
         errorShown = true;
-        setInfo("Layer catastali non caricati dal servizio AdE. Controlla la connessione e riprova.");
+        setInfo("Il servizio cartografico AdE non ha risposto. La connessione internet puo essere attiva: attendi qualche secondo e riprova.");
     });
     cadastreLayer.on("load", () => {
         errorShown = false;
     });
-
-    lmeState.cadastre = cadastreLayer.addTo(lmeState.map);
 }
 
 function activeCadastreLayers() {
@@ -5460,6 +5766,138 @@ function activeCadastreLayers() {
     return drawOrder.filter(layer => lmeState.cadastreLayers.includes(layer));
 }
 
+function setFiducialPoints(points, color, visible = true, keepPrevious = false, municipalityCode = "", sheet = "", municipalityName = "") {
+    if (!lmeState.fiducials) return;
+    const source = Array.isArray(points) ? points : [];
+    if (source.length || lmeState.fiducials.getLayers().length) rememberMapChange();
+    const normalizedMunicipality = String(municipalityCode || "").trim().toUpperCase();
+    const normalizedSheet = normalizeFiducialSheet(sheet);
+    const sheetKey = normalizedMunicipality && normalizedSheet
+        ? `${normalizedMunicipality}:${normalizedSheet}`
+        : "fiducials-current";
+    const sheetLabel = `Foglio ${normalizedSheet || sheet}${municipalityName ? ` · ${municipalityName}` : ""}`;
+    if (!keepPrevious) {
+        managedRecordsForCategory(layerManagerCategories().find(category => category.key === "fiducials"))
+            .forEach(record => lmeState.managerSelectedObjectIds.delete(record.id));
+        lmeState.fiducials.clearLayers();
+        clearManagedCategoryState("fiducials");
+    } else {
+        managedRecordsForCategory(layerManagerCategories().find(category => category.key === "fiducials"))
+            .filter(record => record.layer?.feature?.properties?._lmeFiducialSheetKey === sheetKey)
+            .forEach(record => {
+                record.parent?.removeLayer?.(record.layer);
+                clearManagedObjectState(record.id);
+                lmeState.managerSelectedObjectIds.delete(record.id);
+            });
+    }
+    if (typeof color === "string" && /^#[0-9a-f]{6}$/i.test(color)) {
+        lmeState.fiducialColor = color;
+    }
+    source.forEach((point, index) => {
+        const latitude = Number(point.latitude ?? point.Latitude);
+        const longitude = Number(point.longitude ?? point.Longitude);
+        if (!Number.isFinite(latitude) || !Number.isFinite(longitude)) return;
+        const feature = {
+            type: "Feature",
+            geometry: { type: "Point", coordinates: [longitude, latitude] },
+            properties: {
+                name: String(point.identifier ?? point.Identifier ?? `PF ${index + 1}`),
+                _lmeDisplayName: String(point.identifier ?? point.Identifier ?? `PF ${index + 1}`),
+                _lmeSource: sheetKey,
+                _lmeGroupName: sheetLabel,
+                _lmeFiducialSheetKey: sheetKey,
+                _lmeMunicipalityCode: normalizedMunicipality,
+                _lmeSheet: normalizedSheet,
+                _lmeColor: lmeState.fiducialColor,
+                _lmeFillColor: lmeState.fiducialColor,
+                _lmeWeight: 3,
+                _lmeOpacity: 1,
+                _lmeFillOpacity: 0.72,
+                cadastralNorth: point.cadastralNorth ?? point.CadastralNorth ?? null,
+                cadastralEast: point.cadastralEast ?? point.CadastralEast ?? null,
+                reliability: String(point.reliability ?? point.Reliability ?? ""),
+                elevation: point.elevation ?? point.Elevation ?? null,
+                parcel: String(point.parcel ?? point.Parcel ?? ""),
+                updatedAt: String(point.updatedAt ?? point.UpdatedAt ?? ""),
+                originId: String(point.originId ?? point.OriginId ?? ""),
+                monographUrl: String(point.monographUrl ?? point.MonographUrl ?? "")
+            }
+        };
+        const marker = createFiducialMarker(feature, L.latLng(latitude, longitude));
+        marker.feature = feature;
+        bindFiducialPopup(feature, marker);
+        lmeState.fiducials.addLayer(marker);
+    });
+    setFiducialPointsVisible(visible);
+    refreshLayerManager();
+    if (source.length) finishMapChange();
+}
+
+function createFiducialMarker(feature, latlng) {
+    const properties = feature?.properties || {};
+    const color = properties._lmeColor || lmeState.fiducialColor;
+    return L.circleMarker(latlng, {
+        pane: "fiducialsPane",
+        radius: 8,
+        color,
+        fillColor: properties._lmeFillColor || color,
+        weight: Number(properties._lmeWeight) || 3,
+        opacity: Number.isFinite(Number(properties._lmeOpacity)) ? Number(properties._lmeOpacity) : 1,
+        fillOpacity: Number.isFinite(Number(properties._lmeFillOpacity)) ? Number(properties._lmeFillOpacity) : 0.72
+    });
+}
+
+function bindFiducialPopup(feature, layer) {
+    const properties = feature?.properties || {};
+    const rows = [];
+    if (properties.cadastralNorth != null) rows.push(`Nord/X catastale: ${escapeHtml(properties.cadastralNorth)}`);
+    if (properties.cadastralEast != null) rows.push(`Est/Y catastale: ${escapeHtml(properties.cadastralEast)}`);
+    if (properties.reliability) rows.push(`Attendibilita: ${escapeHtml(properties.reliability)}`);
+    if (properties.elevation != null) rows.push(`Quota: ${escapeHtml(properties.elevation)}`);
+    if (properties.parcel) rows.push(`Particella: ${escapeHtml(properties.parcel)}`);
+    const url = String(properties.monographUrl || "");
+    const monograph = /^https:\/\//i.test(url)
+        ? `<p><a href="${escapeHtml(url)}" target="_blank" rel="noopener">Apri monografia ufficiale</a></p>`
+        : "";
+    layer.bindPopup(`<strong>${escapeHtml(properties._lmeDisplayName || properties.name || "Punto fiduciale")}</strong><p>${rows.join("<br>")}</p>${monograph}<small>Posizione cartografica sperimentale GloboGIS: verificare prima dell'uso topografico.</small>`);
+    applyStyleFromProperties(layer);
+}
+
+function setFiducialPointsVisible(enabled) {
+    lmeState.fiducialsVisible = Boolean(enabled);
+    if (!lmeState.map || !lmeState.fiducials) return;
+    if (lmeState.fiducialsVisible) {
+        lmeState.managerHiddenCategories.delete("fiducials");
+        if (!lmeState.map.hasLayer(lmeState.fiducials)) lmeState.fiducials.addTo(lmeState.map);
+        lmeState.fiducials.bringToFront?.();
+    } else {
+        lmeState.managerHiddenCategories.add("fiducials");
+        if (lmeState.map.hasLayer(lmeState.fiducials)) lmeState.map.removeLayer(lmeState.fiducials);
+    }
+    refreshLayerManager();
+}
+
+function setFiducialColor(color) {
+    if (!/^#[0-9a-f]{6}$/i.test(String(color))) return;
+    lmeState.fiducialColor = color;
+    lmeState.fiducials?.eachLayer(layer => {
+        if (layer.feature?.properties) {
+            layer.feature.properties._lmeColor = color;
+            layer.feature.properties._lmeFillColor = color;
+        }
+        applyStyleFromProperties(layer);
+    });
+    refreshLayerManager();
+}
+
+function fitFiducialPoints() {
+    if (!lmeState.fiducials?.getLayers().length) {
+        setInfo("Nessun Punto Fiduciale da inquadrare.");
+        return;
+    }
+    fitLayer(lmeState.fiducials);
+}
+
 function clearSelectedParcels() {
     const count = managedGroupGeoJson(lmeState.selectedParcelsLayer, "selectedParcels").features.length;
     if (count) rememberMapChange();
@@ -5498,6 +5936,7 @@ function setSelectedParcelsVisible(enabled) {
 function clearMapElements() {
     const count = managedGroupGeoJson(lmeState.selectedParcelsLayer, "selectedParcels").features.length
         + managedGroupGeoJson(lmeState.gpsParcelLayer, "gpsParcels").features.length
+        + managedGroupGeoJson(lmeState.fiducials, "fiducials").features.length
         + managedGroupGeoJson(lmeState.imported, "imported").features.length
         + managedGroupGeoJson(lmeState.importedSheets, "importedSheets").features.length
         + managedGroupGeoJson(lmeState.drawings, "drawings").features.length
@@ -5506,7 +5945,7 @@ function clearMapElements() {
         setInfo("La mappa non contiene elementi da pulire.");
         return;
     }
-    if (!window.confirm("Rimuovere particelle evidenziate, file importati, disegni, POI e traccia GPS dalla mappa?")) {
+    if (!window.confirm("Rimuovere particelle evidenziate, Punti Fiduciali, file importati, disegni, POI e traccia GPS dalla mappa?")) {
         return;
     }
 
@@ -5514,6 +5953,7 @@ function clearMapElements() {
     resetLayerManagerProjectState();
     lmeState.selectedParcelsLayer.clearLayers();
     lmeState.gpsParcelLayer.clearLayers();
+    lmeState.fiducials.clearLayers();
     lmeState.imported.clearLayers();
     lmeState.importedSheets.clearLayers();
     lmeState.drawings.clearLayers();
@@ -5905,7 +6345,36 @@ function cadastreUrl() {
 }
 
 function setInfo(text) {
-    setText("mapInfo", text);
+    const container = document.getElementById("mapInfo");
+    if (!container) return;
+
+    setText("mapInfoText", text);
+    container.hidden = false;
+    if (lmeState.infoTimer) {
+        window.clearTimeout(lmeState.infoTimer);
+        lmeState.infoTimer = null;
+    }
+    if (lmeState.infoTimeoutSeconds > 0) {
+        lmeState.infoTimer = window.setTimeout(hideInfo, lmeState.infoTimeoutSeconds * 1000);
+    }
+}
+
+function hideInfo() {
+    const container = document.getElementById("mapInfo");
+    if (container) container.hidden = true;
+    if (lmeState.infoTimer) {
+        window.clearTimeout(lmeState.infoTimer);
+        lmeState.infoTimer = null;
+    }
+}
+
+function setInfoTimeout(seconds) {
+    const value = Number(seconds);
+    lmeState.infoTimeoutSeconds = Number.isFinite(value) ? Math.min(30, Math.max(0, value)) : 3;
+    const container = document.getElementById("mapInfo");
+    if (container && !container.hidden) {
+        setInfo(document.getElementById("mapInfoText")?.textContent || "");
+    }
 }
 
 function setText(id, text) {