private void _myMapView_GeoViewTapped(object sender, GeoViewInputEventArgs e) { // Get the user-tapped location MapPoint mapLocation = e.Location; // Project the user-tapped map point location to a geometry Geometry myGeometry = GeometryEngine.Project(mapLocation, SpatialReferences.Wgs84); // Convert to geometry to a traditional Lat/Long map point MapPoint projectedLocation = (MapPoint)myGeometry; // Format the display callout string based upon the projected map point (example: "Lat: 100.123, Long: 100.234") string mapLocationDescription = string.Format("Lat: {0:F3} Long:{1:F3}", projectedLocation.Y, projectedLocation.X); // Create a new callout definition using the formatted string CalloutDefinition myCalloutDefinition = new CalloutDefinition("Location:", mapLocationDescription); // Display the callout _myMapView.ShowCalloutAt(mapLocation, myCalloutDefinition); }
private async void mapView_GeoViewTapped(object sender, GeoViewInputEventArgs e) { Exception error = null; try { var result = await mapView.IdentifyLayersAsync(e.Position, 3, false); // Retrieves or builds Popup from IdentifyLayerResult var popup = GetPopup(result); // Displays callout and updates visibility of PopupViewer if (popup != null) { var callout = new CalloutDefinition(popup.GeoElement); callout.Tag = popup; callout.ButtonImage = InfoIcon; callout.OnButtonClick = new Action <object>((s) => { popupViewer.Hidden = false; popupViewer.PopupManager = new PopupManager(popup); }); mapView.ShowCalloutForGeoElement(popup.GeoElement, e.Position, callout); } else { popupViewer.PopupManager = null; popupViewer.Hidden = true; } } catch (Exception ex) { error = ex; } if (error != null) { var alert = UIAlertController.Create(error.GetType().Name, error.Message, UIAlertControllerStyle.Alert); alert.AddAction(UIAlertAction.Create("OK", UIAlertActionStyle.Default, null)); this.PresentViewController(alert, true, null); } }
private void MapView_Tapped(object sender, GeoViewInputEventArgs e) { // Get the tapped point - this is in the map's spatial reference, // which in this case is WebMercator because that is the SR used by the included basemaps. MapPoint tappedPoint = e.Location; // Update the graphics. _myMapView.GraphicsOverlays[0].Graphics.Clear(); _myMapView.GraphicsOverlays[0].Graphics.Add(new Graphic(tappedPoint)); // Project the point to WGS84 MapPoint projectedPoint = (MapPoint)GeometryEngine.Project(tappedPoint, SpatialReferences.Wgs84); // Format the results in strings. string originalCoords = $"Original: {tappedPoint.X:F4}, {tappedPoint.Y:F4}"; string projectedCoords = $"Projected: {projectedPoint.X:F4}, {projectedPoint.Y:F4}"; // Define a callout and show it in the map view. CalloutDefinition calloutDef = new CalloutDefinition(projectedCoords, originalCoords); _myMapView.ShowCalloutAt(tappedPoint, calloutDef); }
private async void mapView_GeoViewTapped(object sender, GeoViewInputEventArgs e) { Exception error = null; try { var result = await mapView.IdentifyLayersAsync(e.Position, 3, false); // Retrieves or builds Popup from IdentifyLayerResult var popup = GetPopup(result); // Displays callout and updates visibility of PopupViewer if (popup != null) { var callout = new CalloutDefinition(popup.GeoElement); callout.Tag = popup; callout.ButtonImage = InfoIcon; callout.OnButtonClick = OnPopupInfoButtonClicked; mapView.ShowCalloutForGeoElement(popup.GeoElement, e.Position, callout); } else { popupViewer.PopupManager = null; popupViewer.Visibility = Android.Views.ViewStates.Gone; } } catch (Exception ex) { error = ex; } if (error != null) { var alert = new AlertDialog.Builder(this); alert.SetTitle(error.GetType().Name); alert.SetMessage(error.Message); alert.SetPositiveButton("OK", (a, b) => { }); RunOnUiThread(() => alert.Show()); } }
private async void mapView_GeoViewTapped(object sender, GeoViewInputEventArgs e) { Exception error = null; try { var result = await mapView.IdentifyLayersAsync(e.Position, 3, false); // Retrieves or builds Popup from IdentifyLayerResult var popup = GetPopup(result); // Displays callout and updates visibility of PopupViewer if (popup != null) { var callout = new CalloutDefinition(popup.GeoElement); callout.Tag = popup; callout.ButtonImage = InfoIcon; callout.OnButtonClick = new Action <object>((s) => { popupViewer.IsVisible = true; popupViewer.PopupManager = new PopupManager(s as Popup); }); mapView.ShowCalloutForGeoElement(popup.GeoElement, e.Position, callout); } else { popupViewer.PopupManager = null; popupViewer.IsVisible = false; } } catch (Exception ex) { error = ex; } if (error != null) { await DisplayAlert(error.GetType().Name, error.Message, "OK"); } }
private async void MyMapView_GeoViewTapped(object sender, Esri.ArcGISRuntime.Xamarin.Forms.GeoViewInputEventArgs e) { // First clear any existing selections ClearAllSelections(); // Perform the identify operation IReadOnlyList <IdentifyLayerResult> results = await MyMapView.IdentifyLayersAsync(e.Position, 5, false); // Return if there are no results if (results.Count < 1) { return; } // Get the results that are from ENC layers IEnumerable <IdentifyLayerResult> encResults = results.Where(result => result.LayerContent is EncLayer); // Get the ENC results that have features IEnumerable <IdentifyLayerResult> encResultsWithFeatures = encResults.Where(result => result.GeoElements.Count > 0); // Get the first result with ENC features IdentifyLayerResult firstResult = encResultsWithFeatures.First(); // Get the layer associated with this set of results EncLayer containingLayer = firstResult.LayerContent as EncLayer; // Select the smallest (area) feature in the layer. EncFeature smallestFeature = (EncFeature)firstResult.GeoElements.OrderBy(f => GeometryEngine.Area(f.Geometry)).First(); // Select the feature. containingLayer.SelectFeature(smallestFeature); // Create the callout definition. CalloutDefinition definition = new CalloutDefinition(smallestFeature.Acronym, smallestFeature.Description); // Show the callout MyMapView.ShowCalloutAt(e.Location, definition); }
private async void MyMapView_GeoViewTapped(object sender, GeoViewInputEventArgs e) { // First clear any existing selections ClearAllSelections(); // Perform the identify operation IReadOnlyList <IdentifyLayerResult> results = await _myMapView.IdentifyLayersAsync(e.Position, 5, false); // Return if there are no results if (results.Count < 1) { return; } // Get the results that are from ENC layers IEnumerable <IdentifyLayerResult> encResults = results.Where(result => result.LayerContent is EncLayer); // Get the ENC results that have features IEnumerable <IdentifyLayerResult> encResultsWithFeatures = encResults.Where(result => result.GeoElements.Count > 0); // Get the first result with ENC features IdentifyLayerResult firstResult = encResultsWithFeatures.First(); // Get the layer associated with this set of results EncLayer containingLayer = firstResult.LayerContent as EncLayer; // Get the first identified ENC feature EncFeature firstFeature = firstResult.GeoElements.First() as EncFeature; // Select the feature containingLayer.SelectFeature(firstFeature); // Create the callout definition CalloutDefinition definition = new CalloutDefinition(firstFeature.Acronym, firstFeature.Description); // Show the callout _myMapView.ShowCalloutAt(e.Location, definition); }
/// <summary> /// Shows a callout for any tapped graphics /// </summary> private async void MyMapView_GeoViewTapped(object sender, GeoViewInputEventArgs e) { // Search for the graphics underneath the user's tap IReadOnlyList<IdentifyGraphicsOverlayResult> results = await MyMapView.IdentifyGraphicsOverlaysAsync(e.Position, 12, false); // Clear callouts and return if there was no result if (results.Count < 1 || results.First().Graphics.Count < 1) { MyMapView.DismissCallout(); return; } // Get the first graphic from the first result Graphic matchingGraphic = results.First().Graphics.First(); // Get the title; manually added to the point's attributes in UpdateSearch String title = matchingGraphic.Attributes["Match_Title"] as String; // Get the address; manually added to the point's attributes in UpdateSearch String address = matchingGraphic.Attributes["Match_Address"] as String; // Define the callout CalloutDefinition calloutBody = new CalloutDefinition(title, address); // Show the callout on the map at the tapped location MyMapView.ShowCalloutAt(e.Location, calloutBody); }
private async void MyMapView_GeoViewTapped(object sender, GeoViewInputEventArgs e) { try { // Clear existing callout and graphics. MyMapView.DismissCallout(); MyMapView.GraphicsOverlays[0].Graphics.Clear(); // Add a graphic for the tapped point. Graphic pinGraphic = await GraphicForPoint(e.Location); MyMapView.GraphicsOverlays[0].Graphics.Add(pinGraphic); // Reverse geocode to get addresses. ReverseGeocodeParameters parameters = new ReverseGeocodeParameters(); parameters.ResultAttributeNames.Add("*"); parameters.MaxResults = 1; IReadOnlyList <GeocodeResult> addresses = await _geocoder.ReverseGeocodeAsync(e.Location, parameters); // Get the first result. GeocodeResult address = addresses.First(); // Use the address as the callout title. string calloutTitle = address.Attributes["Street"].ToString(); string calloutDetail = address.Attributes["City"] + ", " + address.Attributes["State"] + " " + address.Attributes["ZIP"]; // Define the callout. CalloutDefinition calloutBody = new CalloutDefinition(calloutTitle, calloutDetail); // Show the callout on the map at the tapped location. MyMapView.ShowCalloutForGeoElement(pinGraphic, e.Position, calloutBody); } catch (Exception ex) { await new MessageDialog2(ex.ToString(), "Error").ShowAsync(); } }
/// <summary> /// Shows a callout with information about the graphics/features at that location /// </summary> /// <param name="position"></param> private async void ShowCalloutTopDispatches(Point position) { // Check if a cell is already being identified if (_isIdentifying) { _nextIdentifyAction = () => ShowCalloutTopDispatches(position); return; } // Set variable to true to prevent concurrent identify calls. _isIdentifying = true; try { // Get the result for where the user hovered on the raster layer. var identifyResult = await this.MapView.IdentifyGraphicsOverlayAsync(this.Dispatches.FeatureGraphicsLayer, position, 1, false, 1); var graphic = identifyResult.Graphics.FirstOrDefault() as CustomGraphic; // If no cell was identified, dismiss the callout. if (graphic != null && graphic.ID != _previousCallout) { this.MapView.DismissCallout(); _previousCallout = -1; } else if (graphic == null) { this.MapView.DismissCallout(); _previousCallout = -1; return; } else if (graphic != null && graphic.ID == _previousCallout) { return; } _previousCallout = graphic.ID; // Create a StringBuilder to display information to the user. var stringBuilder = new StringBuilder(); // Get the identified raster cell. GeoElement cell = graphic; // Loop through the attributes (key/value pairs). foreach (KeyValuePair <string, object> keyValuePair in cell.Attributes) { // Add the key/value pair to the string builder. stringBuilder.AppendLine($"{keyValuePair.Key}: {keyValuePair.Value}"); } var mapPoint = this.MapView.ScreenToLocation(position).ToWgs84() as MapPoint; // Get the x and y values of the cell. double x = position.X; double y = position.Y; // Add the X & Y coordinates where the user clicked raster cell to the string builder. stringBuilder.AppendLine($"X: {Math.Round(mapPoint.X, 4)}\nY: {Math.Round(mapPoint.Y, 4)}"); // Create a callout using the string. var definition = new CalloutDefinition(stringBuilder.ToString()); // TODO: To show a custom view for the callout, use this.MapView.ShowCalloutAt(graphic.Geometry as MapPoint, this.MyView); // Display the call out in the map view. this.MapView.ShowCalloutAt(graphic.Geometry as MapPoint, definition); } catch (Exception ex) { MessageBox.Show(ex.Message, ex.GetType().ToString()); } finally { _isIdentifying = false; } // Check if there is a new position to identify. if (_nextIdentifyAction != null) { Action action = _nextIdentifyAction; // Clear the queued identify action. _nextIdentifyAction = null; // Run the next action. action(); } }
public static CalloutDefinition CreateCalloutDefinition(string calloutType, string tenantId, string condition, int ID, global::System.DateTimeOffset created, global::System.DateTimeOffset modified) { CalloutDefinition calloutDefinition = new CalloutDefinition(); calloutDefinition.CalloutType = calloutType; calloutDefinition.TenantId = tenantId; calloutDefinition.Condition = condition; calloutDefinition.Id = ID; calloutDefinition.Created = created; calloutDefinition.Modified = modified; return calloutDefinition; }
public void AddToCalloutDefinitions(CalloutDefinition calloutDefinition) { base.AddObject("CalloutDefinitions", calloutDefinition); }
private async void IdentifyCell(Point position) { // Check if a cell is already being identified if (_isIdentifying) { _nextIdentifyAction = () => IdentifyCell(position); return; } // Set variable to true to prevent concurrent identify calls. _isIdentifying = true; try { // Get the result for where the user hovered on the raster layer. IdentifyLayerResult identifyResult = await MyMapView.IdentifyLayerAsync(_rasterLayer, position, 1, false, 1); // If no cell was identified, dismiss the callout. if (!identifyResult.GeoElements.Any()) { MyMapView.DismissCallout(); return; } // Create a StringBuilder to display information to the user. var stringBuilder = new StringBuilder(); // Get the identified raster cell. GeoElement cell = identifyResult.GeoElements.First(); // Loop through the attributes (key/value pairs). foreach (KeyValuePair <string, object> keyValuePair in cell.Attributes) { // Add the key/value pair to the string builder. stringBuilder.AppendLine($"{keyValuePair.Key}: {keyValuePair.Value}"); } // Get the x and y values of the cell. double x = cell.Geometry.Extent.XMin; double y = cell.Geometry.Extent.YMin; // Add the X & Y coordinates where the user clicked raster cell to the string builder. stringBuilder.AppendLine($"X: {Math.Round(x, 4)}\nY: {Math.Round(y, 4)}"); // Create a callout using the string. var definition = new CalloutDefinition(stringBuilder.ToString()); // Display the call out in the map view. MyMapView.ShowCalloutAt(MyMapView.ScreenToLocation(position), definition); } catch (Exception ex) { MessageBox.Show(ex.Message, ex.GetType().ToString()); } finally { _isIdentifying = false; } // Check if there is a new position to identify. if (_nextIdentifyAction != null) { Action action = _nextIdentifyAction; // Clear the queued identify action. _nextIdentifyAction = null; // Run the next action. action(); } }
private async void InitializeMarkers(string buoyData) { // create 2d array from buoy data string string newResults = Regex.Replace(buoyData, " {4,}", " "); string newResultsTwo = Regex.Replace(newResults, " {2,}", " "); char delimiter = '\n'; String[] data = newResultsTwo.Split(delimiter); int length = data.Length; String[,] dataParsed = new String[length, 22]; char delimiterTwo = ' '; for (int i = 0; i < data.Length; i++) { String[] fields = data[i].Split(delimiterTwo); for (int j = 0; j < fields.Length; j++) { dataParsed[i, j] = fields[j]; } } // Create simple marker symbol for user location SimpleMarkerSymbol userMarker = new SimpleMarkerSymbol() { Color = Color.Red, Size = 10, Style = SimpleMarkerSymbolStyle.Diamond }; // Create simple marker symbol for buoy locations SimpleMarkerSymbol buoyMarker = new SimpleMarkerSymbol() { Color = Color.Black, Size = 10, Style = SimpleMarkerSymbolStyle.Circle }; // Create graphics overlay for buoys GraphicsOverlay buoys = new GraphicsOverlay(); buoys.Id = "BuoyLayer"; //get user location string userLat = ""; string userLon = ""; try { var request = new GeolocationRequest(GeolocationAccuracy.Medium); var userLocation = await Geolocation.GetLocationAsync(request); if (userLocation != null) { userLat = userLocation.Latitude.ToString(); userLon = userLocation.Longitude.ToString(); string userLocationFormatted = userLat + " " + userLon; MapPoint userMapPoint = CoordinateFormatter.FromLatitudeLongitude(userLocationFormatted, SpatialReferences.Wgs84); Graphic userGraphic = new Graphic(userMapPoint, userMarker); buoys.Graphics.Add(userGraphic); } } catch (FeatureNotSupportedException fnsEx) { // Handle not supported on device exception } catch (FeatureNotEnabledException fneEx) { // Handle not enabled on device exception } catch (PermissionException pEx) { // Handle permission exception } catch (Exception ex) { // Unable to get location } //MapPoint startingLocation; length = data.Length - 1; // create buoy marker for each location from buoy array for (int i = 3; i < length; i++) { if (Convert.ToDouble(dataParsed[i, 2]) > -100 && Convert.ToDouble(dataParsed[i, 2]) < -80) { if (Convert.ToDouble(dataParsed[i, 1]) > 17 && Convert.ToDouble(dataParsed[i, 1]) < 31) { string location = dataParsed[i, 1] + " " + dataParsed[i, 2]; MapPoint startingLocation = CoordinateFormatter.FromLatitudeLongitude(location, SpatialReferences.Wgs84); Graphic graphicWithBuoy = new Graphic(startingLocation, buoyMarker); buoys.Graphics.Add(graphicWithBuoy); } } } // add overlay to map _mapView.GraphicsOverlays.Add(buoys); // method for when user clicks on buoy _mapView.GeoViewTapped += async(s, e) => { try { // identify buoy layer IdentifyGraphicsOverlayResult identifyResults = await _mapView.IdentifyGraphicsOverlayAsync( buoys, e.Position, 10d, false, 1 ); Geometry myGeo = GeometryEngine.Project(e.Location, SpatialReferences.Wgs84); MapPoint projection = (MapPoint)myGeo; CalloutDefinition myCallout; int latitidueFinal = 0; //compare user click point to buoy locations from array if (identifyResults.Graphics.Count > 0) { string description = " "; for (int i = 3; i < length; i++) { for (int j = 1; j < 3; j++) { double latNDBC = Convert.ToDouble(dataParsed[i, 1]); double latNDBCRounded = Math.Round(latNDBC, 1); double latClick = Convert.ToDouble(projection.Y); double latClickRounded = Math.Round(latClick, 1); double lowerLat = latClickRounded - .1; double upperLat = latClickRounded + .1; double lonNDBC = Convert.ToDouble(dataParsed[i, 2]); double lonNDBCRounded = Math.Round(lonNDBC, 1); double lonClick = Convert.ToDouble(projection.X); double lonClickRounded = Math.Round(lonClick, 1); double lowerLon = lonClickRounded - .1; double upperLon = lonClickRounded + .1; // find the line in the array for the buoy the user clicked on if (lowerLat <= latNDBCRounded && upperLat >= latNDBCRounded && lowerLon <= lonNDBCRounded && upperLon >= lonNDBCRounded) { latitidueFinal = i; } } } // translate degree number into NSWE string degrees = ""; double degreesDouble = Convert.ToDouble(dataParsed[latitidueFinal, 8]); if (degreesDouble > 349 && degreesDouble <= 360) { degrees = "N"; } else if (degreesDouble >= 0 && degreesDouble <= 11) { degrees = "N"; } else if (degreesDouble > 11 && degreesDouble <= 34) { degrees = "NNE"; } else if (degreesDouble > 34 && degreesDouble <= 56) { degrees = "NE"; } else if (degreesDouble > 56 && degreesDouble <= 79) { degrees = "ENE"; } else if (degreesDouble > 79 && degreesDouble <= 101) { degrees = "E"; } else if (degreesDouble > 101 && degreesDouble <= 124) { degrees = "ESE"; } else if (degreesDouble > 124 && degreesDouble <= 146) { degrees = "SE"; } else if (degreesDouble > 146 && degreesDouble <= 169) { degrees = "SSE"; } else if (degreesDouble > 169 && degreesDouble <= 191) { degrees = "S"; } else if (degreesDouble > 191 && degreesDouble <= 214) { degrees = "SSW"; } else if (degreesDouble > 214 && degreesDouble <= 236) { degrees = "SW"; } else if (degreesDouble > 236 && degreesDouble <= 259) { degrees = "WSW"; } else if (degreesDouble > 259 && degreesDouble <= 281) { degrees = "W"; } else if (degreesDouble > 281 && degreesDouble <= 304) { degrees = "WNW"; } else if (degreesDouble > 304 && degreesDouble <= 326) { degrees = "NW"; } else if (degreesDouble > 326 && degreesDouble <= 349) { degrees = "NNW"; } // create callout string title = dataParsed[latitidueFinal, 0]; string location = "Location: " + dataParsed[latitidueFinal, 1] + "N " + dataParsed[latitidueFinal, 2] + "W" + "\n"; string date = " Date: " + dataParsed[latitidueFinal, 3] + "/" + dataParsed[latitidueFinal, 4] + "/" + dataParsed[latitidueFinal, 5] + " " + dataParsed[latitidueFinal, 6] + ":" + dataParsed[latitidueFinal, 7] + ":00 UTC" + "\n"; string winds = ""; description += location; description += date; description += winds; string airTemp = ""; string waterTemp = ""; string dewpoint = ""; if (dataParsed[latitidueFinal, 10] != "MM") { winds = " Winds: " + degrees + "(" + dataParsed[latitidueFinal, 8] + ") at " + dataParsed[latitidueFinal, 9] + " kt gusting to " + dataParsed[latitidueFinal, 10] + " kt" + "\n"; description += winds; } else if (dataParsed[latitidueFinal, 10] == "MM") { winds = " Winds: " + degrees + "(" + dataParsed[latitidueFinal, 8] + ") at " + dataParsed[latitidueFinal, 9] + " kt \n"; description += winds; } if (dataParsed[latitidueFinal, 17] != "MM") { airTemp = " Air Temperature: " + dataParsed[latitidueFinal, 17] + " F" + "\n"; description += airTemp; } if (dataParsed[latitidueFinal, 18] != "MM") { waterTemp = " Water Temperature: " + dataParsed[latitidueFinal, 18] + " F" + "\n"; description += waterTemp; } if (dataParsed[latitidueFinal, 19] != "MM") { dewpoint = " Dew Point: " + dataParsed[latitidueFinal, 19] + " F" + "\n"; description += dewpoint; } myCallout = new CalloutDefinition(title, description); _mapView.ShowCalloutAt(e.Location, myCallout); latitidueFinal = 0; } else { _mapView.DismissCallout(); } } catch (Exception ex) { } }; }
private async void WaveSelected() { // clear existing overlays _mapView.GraphicsOverlays.Clear(); //tide prediction array string[,] tidePrediction = new string[, ] { //Alabama { "30.2786", "-87.5550", "8730667" }, { "30.2333", "-88.0200", "8734635" }, { "30.2799", "-87.6843", "8731439" }, { "30.3033", "-87.7350", "8731952" }, { "30.2500", "-88.0750", "8735180" }, { "30.4436", "-88.1139", "8735523" }, { "30.3766", "-88.1586", "8738043" }, { "30.4866", "-87.9345", "8733821" }, { "30.5652", "-88.0880", "8735391" }, { "30.6483", "-88.0583", "8736897" }, { "30.6672", "-87.9364", "8733839" }, { "30.7083", "-88.0433", "8737048" }, { "30.7819", "-88.0736", "8737138" }, { "30.8183", "-87.9150", "8737182" }, { "30.3717", "-88.2750", "8739051" }, { "30.4057", "-88.2477", "8739803" }, //Mississippi { "30.4132", "-88.4029", "8740166" }, { "30.3867", "-88.4400", "8740448" }, { "30.3867", "-88.7733", "8743081" }, { "30.2033", "-88.4417", "8740405" }, { "30.2133", "-88.9717", "8740405" }, { "30.2383", "-88.6667", "8742221" }, { "30.3478", "-88.5058", "8741041" }, { "30.3400", "-88.5333", "8741196" }, { "30.3617", "-88.6633", "8742205" }, { "30.3600", "-89.0817", "8745557" }, { "30.3900", "-88.8567", "8743735" }, { "30.4267", "-89.0533", "8745375" }, { "30.4067", "-89.0267", "8745101" }, { "30.2317", "-89.1167", "8745799" }, { "30.3100", "-89.2450", "8746819" }, { "30.3583", "-89.2733", "8748038" }, { "30.3250", "-89.3250", "8747437" }, { "30.2817", "-89.3667", "8747766" }, { "30.2400", "-89.6150", "8749704" }, //Louisiana { "30.1667", "-89.7367", "8761402" }, { "30.2717", "-89.7933", "8761473" }, { "30.3783", "-90.1600", "8761993" }, { "30.0272", "-90.1133", "8761927" }, { "30.0650", "-89.8000", "8761487" }, { "30.0067", "-89.9367", "8761678" }, { "29.8681", "-89.6732", "8761305" }, { "30.1267", "-89.2217", "8760668" }, { "30.0483", "-88.8717", "8760172" }, { "29.8233", "-89.2700", "8760742" }, { "29.5983", "-89.6183", "8761108" }, { "29.4933", "-89.1733", "8760595" }, { "29.3667", "-89.3450", "8760841" }, { "29.2283", "-89.0500", "8760424" }, { "29.3866", "-89.3801", "8760889" }, { "30.0000", "-89.9333", "8760412" }, { "29.2633", "-89.9567", "8761724" }, { "29.2667", "-89.9667", "TEC4455" }, { "29.3100", "-89.9383", "8761677" }, { "29.3183", "-89.9800", "8761742" }, { "29.4267", "-89.9767", "8761732" }, { "29.6667", "-90.1117", "8761899" }, { "29.2100", "-90.0400", "8761826" }, { "29.1142", "-90.1993", "8762075" }, { "29.2483", "-90.2117", "8762084" }, { "29.3733", "-90.2650", "8762184" }, { "29.0867", "-90.5267", "8762675" }, { "29.0767", "-90.2850", "8762223" }, { "29.1283", "-90.4233", "8762481" }, { "29.0783", "-90.5867", "8762850" }, { "29.2450", "-90.6617", "8762928" }, { "29.0717", "-90.6400", "8762888" }, { "29.0633", "-90.8067", "8763206" }, { "29.0633", "-90.9617", "8763506" }, { "29.1748", "-90.9764", "8763535" }, { "29.3675", "-91.3839", "8764314" }, { "29.3333", "-91.3533", "8764256" }, { "29.4733", "-91.3050", "8764165" }, { "29.7433", "-91.2300", "8764025" }, { "29.5183", "-91.5550", "8764634" }, { "29.4200", "-91.5933", "8764706" }, { "29.4850", "-91.7633", "8765026" }, { "29.5233", "-92.0433", "8765568" }, { "28.9150", "-91.0717", "8763719" }, { "29.7350", "-91.7133", "8764931" }, { "29.5800", "-92.0350", "8765551" }, { "29.7134", "-91.8800", "8765251" }, { "29.8372", "-91.8375", "8765148" }, { "29.5517", "-92.3052", "8766072" }, { "29.7500", "-93.1000", "TEC4495" }, { "29.7682", "-93.3429", "8768094" }, { "30.1902", "-93.3008", "8767961" }, { "30.2236", "-93.2217", "8767816" }, //Texas { "29.7284", "-93.8701", "8770570" }, { "29.6894", "-93.8419", "8770822" }, { "29.8671", "-93.9310", "8770475" }, { "29.9800", "-93.8817", "8770520" }, { "29.3573", "-94.7248", "8771341" }, { "29.3267", "-94.6933", "8771416" }, { "29.3100", "-94.7933", "8771450" }, { "29.3650", "-94.7800", "8771328" }, { "29.3833", "-94.8833", "TEC4513" }, { "29.4800", "-94.9183", "8771013" }, { "29.5633", "-95.0667", "8770933" }, { "29.6817", "-94.9850", "8770613" }, { "29.7649", "-95.0789", "8770733" }, { "29.7262", "-95.2658", "8770777" }, { "29.7133", "-94.6900", "8770559" }, { "29.6800", "-94.8683", "8770625" }, { "29.7400", "-94.8317", "8770557" }, { "29.5156", "-94.5106", "8770971" }, { "29.5947", "-94.3903", "8770808" }, { "29.5167", "-94.4833", "TEC4525" }, { "29.3026", "-94.8971", "8771486" }, { "29.2000", "-94.9850", "8771721" }, { "29.1667", "-95.1250", "8771801" }, { "29.0810", "-95.1313", "8771972" }, { "29.0417", "-95.1750", "8772132" }, { "29.2853", "-94.7894", "8771510" }, { "28.7714", "-95.6172", "8772985" }, { "28.9357", "-95.2942", "8772471" }, { "28.9483", "-95.3083", "8772440" }, { "28.7101", "-95.9140", "8773146" }, { "28.4269", "-96.3301", "8773767" }, { "28.4069", "-96.7124", "8773037" }, { "28.2283", "-96.7950", "8774230" }, { "28.1144", "-97.0244", "8774513" }, { "28.4459", "-96.3956", "8773701" }, { "28.6406", "-96.6098", "8773259" }, { "27.8328", "-97.4859", "8775244" }, { "27.8366", "-97.0391", "8775241" }, { "27.8397", "-97.0725", "8775237" }, { "27.5800", "-97.2167", "8775870" }, { "27.8149", "-97.3892", "8775296" }, { "27.6333", "-97.2367", "8775792" }, { "26.0674", "-97.1548", "8779749" }, { "26.0683", "-97.1567", "8779750" }, { "26.0783", "-97.1700", "8779724" }, { "26.0717", "-97.1917", "8779739" }, { "26.0612", "-97.2155", "8779770" }, { "26.0517", "-97.1817", "8779768" }, }; // Create simple marker symbol for tide predictions SimpleMarkerSymbol tideMarker = new SimpleMarkerSymbol() { Color = Color.Blue, Size = 10, Style = SimpleMarkerSymbolStyle.Circle }; // create graphics overlay GraphicsOverlay tideLayer = new GraphicsOverlay(); // create graphics for each tide location int tideLength = tidePrediction.Length / 3; for (int i = 0; i < tideLength; i++) { string latLon = tidePrediction[i, 0].ToString() + " " + tidePrediction[i, 1].ToString(); MapPoint tide = CoordinateFormatter.FromLatitudeLongitude(latLon, SpatialReferences.Wgs84); Graphic tideGraphic = new Graphic(tide, tideMarker); tideLayer.Graphics.Add(tideGraphic); } // add layer to map _mapView.GraphicsOverlays.Add(tideLayer); // method for when tide point is clicked _mapView.GeoViewTapped += async(s, e) => { try { //identify tide overlay IdentifyGraphicsOverlayResult identifyResults = await _mapView.IdentifyGraphicsOverlayAsync( tideLayer, e.Position, 10d, false, 1 ); // get user tap point Geometry myGeo = GeometryEngine.Project(e.Location, SpatialReferences.Wgs84); MapPoint projection = (MapPoint)myGeo; CalloutDefinition myCallout; int latitidueFinal = 0; // compare user point to map points if (identifyResults.Graphics.Count > 0) { string description = " "; for (int i = 0; i < tideLength; i++) { for (int j = 1; j < 3; j++) { double latNDBC = Convert.ToDouble(tidePrediction[i, 0]); double latNDBCRounded = Math.Round(latNDBC, 1); double latClick = Convert.ToDouble(projection.Y); double latClickRounded = Math.Round(latClick, 1); double lowerLat = latClickRounded - .1; double upperLat = latClickRounded + .1; double lonNDBC = Convert.ToDouble(tidePrediction[i, 1]); double lonNDBCRounded = Math.Round(lonNDBC, 1); double lonClick = Convert.ToDouble(projection.X); double lonClickRounded = Math.Round(lonClick, 1); double lowerLon = lonClickRounded - .1; double upperLon = lonClickRounded + .1; if (lowerLat <= latNDBCRounded && upperLat >= latNDBCRounded && lowerLon <= lonNDBCRounded && upperLon >= lonNDBCRounded) { latitidueFinal = i; } } } // create callout string title = tidePrediction[latitidueFinal, 2]; string latLonDescription = "Latitude: " + tidePrediction[latitidueFinal, 0] + "\n" + "Longitude: " + tidePrediction[latitidueFinal, 1] + "\n"; string url = "https://tidesandcurrents.noaa.gov/noaatidepredictions.html?id=" + tidePrediction[latitidueFinal, 2]; description += latLonDescription; myCallout = new CalloutDefinition(title, description); _mapView.ShowCalloutAt(e.Location, myCallout); } // if user does not click on a tide point, get rid of any existing callouts else { _mapView.DismissCallout(); } } catch (Exception ex) { } }; }
public static CalloutDefinition ConvertFrom(Controls.CalloutDefinition definition) { CalloutDefinition nativeDefinition = new CalloutDefinition(definition.Title, definition.Message); return(nativeDefinition); }