private void AndroidMap_MapSingleTap(object sender, Android.Views.MotionEvent e)
{
PointF location = new PointF(e.GetX(), e.GetY());
PointShape position = ExtentHelper.ToWorldCoordinate(androidMap.CurrentExtent, location.X,
location.Y, androidMap.Width, androidMap.Height);
LayerOverlay worldOverlay = (LayerOverlay)androidMap.Overlays["WorldOverlay"];
FeatureLayer worldLayer = (FeatureLayer)worldOverlay.Layers["WorldLayer"];
LayerOverlay highlightOverlay = (LayerOverlay)androidMap.Overlays["HighlightOverlay"];
InMemoryFeatureLayer highlightLayer = (InMemoryFeatureLayer)highlightOverlay.Layers["HighlightLayer"];
worldLayer.Open();
Collection <Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesContaining(position, new string[1] {
"CNTRY_NAME"
});
worldLayer.Close();
highlightLayer.Open();
highlightLayer.InternalFeatures.Clear();
if (selectedFeatures.Count > 0)
{
AreaBaseShape areaShape = (AreaBaseShape)selectedFeatures[0].GetShape();
double area = areaShape.GetArea(GeographyUnit.DecimalDegree, AreaUnit.SquareKilometers);
messageTextView.Text = string.Format(CultureInfo.InvariantCulture, "{0} has an area of {1:N0} square kilometers.", selectedFeatures[0].ColumnValues["CNTRY_NAME"].Trim(), area);
highlightLayer.InternalFeatures.Add(selectedFeatures[0]);
}
highlightLayer.Close();
highlightOverlay.Refresh();
}
public string GetLengthOfFeature(Map map, GeoCollection <object> args)
{
PointShape point = new PointShape(Convert.ToDouble(args[0]), Convert.ToDouble(args[1]));
FeatureLayer worldLayer = (FeatureLayer)map.StaticOverlay.Layers["RoadLayer"];
InMemoryFeatureLayer streetLayer = (InMemoryFeatureLayer)map.DynamicOverlay.Layers["StreetLayer"];
streetLayer.InternalFeatures.Clear();
worldLayer.Open();
Collection <Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesNearestTo(point, GeographyUnit.DecimalDegree, 1, new string[1] {
"FENAME"
});
worldLayer.Close();
string popupContentHtml = string.Empty;
if (selectedFeatures.Count > 0)
{
LineBaseShape lineShape = (LineBaseShape)selectedFeatures[0].GetShape();
double length = lineShape.GetLength(GeographyUnit.DecimalDegree, DistanceUnit.Meter);
string contentHtml = "<span style='color:red'>{0}</span> has a length of <span style='color:red'>{1:N0}</span> meters.";
string information = string.Format(contentHtml, selectedFeatures[0].ColumnValues["FENAME"].Trim(), length);
popupContentHtml = "<div style='font-size:10px; font-family:verdana; padding:4px;'>" + information + "</div>";
streetLayer.InternalFeatures.Add("Street", new Feature(lineShape));
}
return(popupContentHtml);
}
public void Commit()
{
try
{
if (!featureLayer.IsOpen)
{
featureLayer.Open();
}
if (featureLayer.EditTools.IsInTransaction)
{
currentAddedCount = 0;
featureLayer.EditTools.CommitTransaction();
}
}
catch (Exception ex)
{
GisEditor.LoggerManager.Log(LoggerLevel.Debug, ex.Message, new ExceptionInfo(ex));
}
finally
{
if (featureLayer.IsOpen)
{
featureLayer.Close();
}
}
}
private void AndroidMapMapSingleTap(object sender, Android.Views.MotionEvent e)
{
PointF location = new PointF(e.GetX(), e.GetY());
PointShape position = ExtentHelper.ToWorldCoordinate(androidMap.CurrentExtent, location.X,
location.Y, androidMap.Width, androidMap.Height);
LayerOverlay overlay = androidMap.Overlays["RoadOverlay"] as LayerOverlay;
FeatureLayer roadLayer = overlay.Layers["TXlkaA40"] as FeatureLayer;
LayerOverlay highlightOverlay = androidMap.Overlays["HighlightOverlay"] as LayerOverlay;
InMemoryFeatureLayer highlightLayer = (InMemoryFeatureLayer)highlightOverlay.Layers["HighlightLayer"];
roadLayer.Open();
Collection <Feature> selectedFeatures = roadLayer.QueryTools.GetFeaturesNearestTo(position, GeographyUnit.DecimalDegree, 1, new string[1] {
"fename"
});
roadLayer.Close();
if (selectedFeatures.Count > 0)
{
LineBaseShape lineShape = (LineBaseShape)selectedFeatures[0].GetShape();
highlightLayer.Open();
highlightLayer.InternalFeatures.Clear();
highlightLayer.InternalFeatures.Add(new Feature(lineShape));
highlightLayer.Close();
double length = lineShape.GetLength(GeographyUnit.DecimalDegree, DistanceUnit.Meter);
string lengthMessage = string.Format(CultureInfo.InvariantCulture, "{0} has a length of {1:F2} meters.", selectedFeatures[0].ColumnValues["fename"].Trim(), length);
messageLabel.Text = lengthMessage;
highlightOverlay.Refresh();
}
}
private void SelectInformation(PointShape worldPoint)
{
try
{
Collection <Feature> selectedFeatures = new Collection <Feature>();
foreach (Layer layer in ((LayerOverlay)winformsMap1.Overlays[0]).Layers)
{
FeatureLayer featureLayer = layer as FeatureLayer;
if (featureLayer != null)
{
featureLayer.Open();
Collection <Feature> nearestFeatures = featureLayer.QueryTools.GetFeaturesNearestTo(worldPoint, winformsMap1.MapUnit, 1, ReturningColumnsType.AllColumns);
double radius = 10.0 / winformsMap1.Width * winformsMap1.CurrentExtent.Width;
EllipseShape searchingEllipse = new EllipseShape(worldPoint, radius, radius);
foreach (Feature feature in nearestFeatures)
{
Feature selectedFeature = feature;
selectedFeature.Tag = featureLayer.Name;
BaseShape currentShape = feature.GetShape();
if (currentShape is AreaBaseShape)
{
if (currentShape.Contains(worldPoint))
{
selectedFeatures.Add(selectedFeature);
}
}
else if (currentShape is LineBaseShape)
{
if (currentShape.Intersects(searchingEllipse))
{
selectedFeatures.Add(selectedFeature);
}
}
else if (currentShape is PointBaseShape)
{
if (searchingEllipse.Contains(currentShape))
{
selectedFeatures.Add(selectedFeature);
}
}
}
featureLayer.Close();
}
}
if (selectedFeatures.Count > 0)
{
FormInformation frmInformation = new FormInformation(selectedFeatures);
frmInformation.ShowDialog();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString(), MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1, (MessageBoxOptions)0);
}
}
private void mapView_MapClick(object sender, MapClickMapViewEventArgs e)
{
FeatureLayer worldLayer = mapView.FindFeatureLayer("WorldLayer");
worldLayer.Open();
Collection <Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesContaining(e.WorldLocation, new string[2] {
"CNTRY_NAME", "POP_CNTRY"
});
worldLayer.Close();
if (selectedFeatures.Count > 0)
{
StringBuilder info = new StringBuilder();
info.AppendLine(String.Format(CultureInfo.InvariantCulture, "CNTRY_NAME:\t{0}", selectedFeatures[0].ColumnValues["CNTRY_NAME"]));
info.AppendLine(String.Format(CultureInfo.InvariantCulture, "POP_CNTRY:\t{0}", double.Parse(selectedFeatures[0].ColumnValues["POP_CNTRY"]).ToString("n0")));
TBInfo.Text = info.ToString();
PopupOverlay popupOverlay = (PopupOverlay)mapView.Overlays["PopupOverlay"];
Popup popup = new Popup(e.WorldLocation);
popup.Content = info.ToString();
popup.FontSize = 10d;
popup.FontFamily = new System.Windows.Media.FontFamily("Verdana");
popupOverlay.Popups.Clear();
popupOverlay.Popups.Add(popup);
popupOverlay.Refresh();
}
}
private void AndroidMap_MapSingleTap(object sender, Android.Views.MotionEvent e)
{
PointF location = new PointF(e.GetX(), e.GetY());
PointShape position = ExtentHelper.ToWorldCoordinate(androidMap.CurrentExtent, location.X,
location.Y, androidMap.Width, androidMap.Height);
LayerOverlay worldOverlay = (LayerOverlay)androidMap.Overlays["WorldOverlay"];
LayerOverlay highlightOverlay = (LayerOverlay)androidMap.Overlays["HighlightOverlay"];
FeatureLayer worldLayer = (FeatureLayer)worldOverlay.Layers["WorldLayer"];
InMemoryFeatureLayer highlightLayer = (InMemoryFeatureLayer)highlightOverlay.Layers["HighlightLayer"];
worldLayer.Open();
Collection <Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesContaining(position, new string[1] {
"CNTRY_NAME"
});
worldLayer.Close();
highlightLayer.Open();
highlightLayer.InternalFeatures.Clear();
if (selectedFeatures.Count > 0)
{
highlightLayer.InternalFeatures.Add(selectedFeatures[0]);
}
highlightLayer.Close();
highlightOverlay.Refresh();
}
public string GetData(Map map, GeoCollection <object> args)
{
double clickX = Convert.ToDouble(args[0].ToString(), CultureInfo.InvariantCulture);
double clickY = Convert.ToDouble(args[1].ToString(), CultureInfo.InvariantCulture);
PointShape pointShape = new PointShape(clickX, clickY);
LayerOverlay staticOverlay = (LayerOverlay)map.CustomOverlays["StaticOverlay"];
FeatureLayer worldLayer = (FeatureLayer)staticOverlay.Layers["WorldLayer"];
worldLayer.Open();
Collection <Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesContaining(pointShape, new string[2] {
"CNTRY_NAME", "POP_CNTRY"
});
worldLayer.Close();
Country country = new Country();
if (selectedFeatures.Count > 0)
{
country.CountryName = selectedFeatures[0].ColumnValues["CNTRY_NAME"];
country.Population = selectedFeatures[0].ColumnValues["POP_CNTRY"];
}
return(country.CountryName + "|" + country.Population);
}
public void FindQueriedFeatures(Map map, GeoCollection <object> args)
{
double distance = Convert.ToDouble(args[0].ToString(), CultureInfo.InvariantCulture);
double clickX = Convert.ToDouble(args[1].ToString(), CultureInfo.InvariantCulture);
double clickY = Convert.ToDouble(args[2].ToString(), CultureInfo.InvariantCulture);
PointShape pointShape = new PointShape(clickX, clickY);
LayerOverlay staticOverlay = (LayerOverlay)map.CustomOverlays["StaticOverlay"];
LayerOverlay dynamicOverlay = (LayerOverlay)map.CustomOverlays["DynamicOverlay"];
FeatureLayer worldLayer = (FeatureLayer)staticOverlay.Layers["WorldLayer"];
InMemoryFeatureLayer highlightLayer = (InMemoryFeatureLayer)dynamicOverlay.Layers["HighlightLayer"];
worldLayer.Open();
Collection <Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesWithinDistanceOf(pointShape, GeographyUnit.DecimalDegree, DistanceUnit.Kilometer, distance, new string[0]);
worldLayer.Close();
if (highlightLayer.InternalFeatures.Count > 0)
{
highlightLayer.InternalFeatures.Clear();
}
highlightLayer.InternalFeatures.Add("Point", new Feature(pointShape));
foreach (Feature feature in selectedFeatures)
{
highlightLayer.InternalFeatures.Add(feature.Id, feature);
}
dynamicOverlay.Redraw();
}
private void FindWithinDistanceFeatures()
{
if (mapView.Overlays.Count > 0)
{
FeatureLayer worldLayer = mapView.FindFeatureLayer("WorldLayer");
InMemoryFeatureLayer highlightLayer = (InMemoryFeatureLayer)mapView.FindFeatureLayer("HighlightLayer");
// Find the countries within special distance.
double distance = Convert.ToDouble(cmbDistance.SelectedItem.ToString().Split(':')[1], CultureInfo.InvariantCulture);
worldLayer.Open();
worldLayer.FeatureSource.ProjectionConverter = project;
Collection <Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesWithinDistanceOf((PointShape)project.ConvertToExternalProjection(pointShape), GeographyUnit.DecimalDegree, DistanceUnit.Kilometer, distance, new string[0]);
worldLayer.FeatureSource.ProjectionConverter = null;
worldLayer.Close();
if (highlightLayer.InternalFeatures.Count > 0)
{
highlightLayer.InternalFeatures.Clear();
}
highlightLayer.InternalFeatures.Add("Point", new Feature(pointShape));
foreach (Feature feature in selectedFeatures)
{
highlightLayer.InternalFeatures.Add(feature.Id, project.ConvertToInternalProjection(feature));
}
mapView.Overlays["HighlightOverlay"].Refresh();
}
}
private void AndroidMap_MapSingleTap(object sender, MotionEvent e)
{
LayerOverlay worldOverlay = (LayerOverlay)androidMap.Overlays["WorldOverlay"];
FeatureLayer worldLayer = (FeatureLayer)worldOverlay.Layers["WorldLayer"];
LayerOverlay highlightOverlay = (LayerOverlay)androidMap.Overlays["HighlightOverlay"];
InMemoryFeatureLayer highlightLayer = (InMemoryFeatureLayer)highlightOverlay.Layers["HighlightLayer"];
PointF location = new PointF(e.GetX(), e.GetY());
var worldLocation = ExtentHelper.ToWorldCoordinate(androidMap.CurrentExtent, location.X,
location.Y, androidMap.Width, androidMap.Height);
worldLayer.Open();
Collection <Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesContaining(worldLocation, ReturningColumnsType.NoColumns);
worldLayer.Close();
highlightLayer.Open();
highlightLayer.InternalFeatures.Clear();
if (selectedFeatures.Count > 0)
{
androidMap.ZoomTo(selectedFeatures[0].GetBoundingBox());
highlightLayer.InternalFeatures.Add(selectedFeatures[0]);
}
highlightLayer.Close();
highlightOverlay.Refresh();
}
protected override DataTable GetDataTableCore(DataTable currentDataTable, int length)
{
try
{
Monitor.Enter(featureLayer);
featureLayer.Open();
Collection <Feature> features = new Collection <Feature>();
featureLayer.FeatureSource.SafeProcess(() =>
{
features = featureLayer.FeatureSource.GetAllFeatures(featureLayer.FeatureSource.GetColumns().Select(c => c.ColumnName).ToArray(), currentDataTable.Rows.Count, length);
});
FillFeaturesToDataTable(features, currentDataTable);
return(currentDataTable);
}
catch (Exception e)
{
GisEditor.LoggerManager.Log(LoggerLevel.Debug, e.Message, new ExceptionInfo(e));
return(currentDataTable);
}
finally
{
featureLayer.Close();
Monitor.Exit(featureLayer);
}
}
private void mapView_MapClick(object sender, MapClickMapViewEventArgs e)
{
LayerOverlay worldOverlay = (LayerOverlay)mapView.Overlays["WorldOverlay"];
FeatureLayer worldLayer = (FeatureLayer)worldOverlay.Layers["WorldLayer"];
LayerOverlay highlightOverlay = (LayerOverlay)mapView.Overlays["HighlightOverlay"];
InMemoryFeatureLayer highlightLayer = (InMemoryFeatureLayer)highlightOverlay.Layers["HighlightLayer"];
worldLayer.Open();
Collection <Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesContaining(e.WorldLocation, new string[1] {
"CNTRY_NAME"
});
worldLayer.Close();
highlightLayer.Open();
highlightLayer.InternalFeatures.Clear();
if (selectedFeatures.Count > 0)
{
highlightLayer.InternalFeatures.Add(selectedFeatures[0]);
}
highlightLayer.Close();
// Call Refresh method to refresh the highlightOverlay only
highlightOverlay.Refresh();
}
private void mapView_MapClick(object sender, MapClickMapViewEventArgs e)
{
FeatureLayer worldLayer = mapView.FindFeatureLayer("WorldLayer");
// Find the country the user clicked on.
worldLayer.Open();
Collection <Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesContaining(e.WorldLocation, new string[1] {
"CNTRY_NAME"
});
worldLayer.Close();
// Determine the area of the country.
if (selectedFeatures.Count > 0)
{
ProjectionConverter project = new ProjectionConverter(3857, 4326);
project.Open();
AreaBaseShape areaShape = (AreaBaseShape)project.ConvertToExternalProjection(selectedFeatures[0].GetShape());
project.Close();
double area = areaShape.GetArea(GeographyUnit.DecimalDegree, AreaUnit.SquareKilometers);
string areaMessage = string.Format(CultureInfo.InvariantCulture, "{0} has an area of \r{1:N0} square kilometers.", selectedFeatures[0].ColumnValues["CNTRY_NAME"].Trim(), area);
Popup popup = new Popup(e.WorldLocation);
popup.Content = areaMessage;
PopupOverlay popupOverlay = (PopupOverlay)mapView.Overlays["PopupOverlay"];
popupOverlay.Popups.Clear();
popupOverlay.Popups.Add(popup);
popupOverlay.Refresh();
}
}
private void FindButtonClick(object sender, EventArgs e)
{
LayerOverlay worldOverlay = (LayerOverlay)androidMap.Overlays["WorldOverlay"];
FeatureLayer worldLayer = (FeatureLayer)worldOverlay.Layers["WorldLayer"];
LayerOverlay highlightOverlay = (LayerOverlay)androidMap.Overlays["HighlightOverlay"];
InMemoryFeatureLayer highlightLayer = (InMemoryFeatureLayer)highlightOverlay.Layers["HighlightLayer"];
worldLayer.Open();
string[] returnColumnNames = new string[] { "LONG_NAME" };
Feature feature = worldLayer.FeatureSource.GetFeatureById("137", returnColumnNames);
worldLayer.Close();
if (feature != null)
{
highlightLayer.Open();
highlightLayer.InternalFeatures.Clear();
highlightLayer.InternalFeatures.Add(feature);
highlightLayer.Close();
highlightOverlay.Refresh();
androidMap.ZoomTo(feature.GetBoundingBox());
}
}
private void FindWithinDistanceFeatures()
{
FeatureLayer worldLayer = winformsMap1.FindFeatureLayer("WorldLayer");
InMemoryFeatureLayer highlightLayer = (InMemoryFeatureLayer)winformsMap1.FindFeatureLayer("HighlightLayer");
// Find the countries within special distance.
double distance = Convert.ToDouble(cmbDistance.SelectedItem.ToString(), CultureInfo.InvariantCulture);
worldLayer.Open();
Collection <Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesWithinDistanceOf(pointShape, GeographyUnit.DecimalDegree, DistanceUnit.Kilometer, distance, new string[0]);
worldLayer.Close();
if (highlightLayer.InternalFeatures.Count > 0)
{
highlightLayer.InternalFeatures.Clear();
}
highlightLayer.InternalFeatures.Add("Point", new Feature(pointShape));
foreach (Feature feature in selectedFeatures)
{
highlightLayer.InternalFeatures.Add(feature.Id, feature);
}
winformsMap1.Refresh(winformsMap1.Overlays["HighlightOverlay"]);
}
private void btnGetCount_Click(object sender, EventArgs e)
{
FeatureLayer worldLayer = winformsMap1.FindFeatureLayer("WorldLayer");
worldLayer.Open();
txtCount.Text = worldLayer.QueryTools.GetCount().ToString(CultureInfo.InvariantCulture);
worldLayer.Close();
}
private void btnGetCount_Click(object sender, RoutedEventArgs e)
{
FeatureLayer worldLayer = mapView.FindFeatureLayer("WorldLayer");
worldLayer.Open();
txtCount.Content = worldLayer.QueryTools.GetCount().ToString(CultureInfo.InvariantCulture);
worldLayer.Close();
}
private DataTable PopulateTable(FeatureLayer featureLayer)
{
featureLayer.Open();
Collection <FeatureSourceColumn> allColumns = featureLayer.QueryTools.GetColumns();
featureLayer.Close();
return(GetDataTableFromFeatureSourceColumns(allColumns));
}
private void btnOneFeature_Click(object sender, EventArgs e)
{
FeatureLayer worldLayer = winformsMap1.FindFeatureLayer("WorldLayer");
worldLayer.Open();
winformsMap1.CurrentExtent = worldLayer.FeatureSource.GetBoundingBoxById("137");
worldLayer.Close();
winformsMap1.Refresh();
}
private DataTable BindAllFeaturesToGridView(FeatureLayer featureLayer)
{
string[] returningColumns = new string[] { "CNTRY_NAME", "CURR_TYPE", "RECID" };
featureLayer.Open();
Collection <Feature> allFeaturs = featureLayer.FeatureSource.GetAllFeatures(returningColumns);
featureLayer.Close();
return(GetDataTableFromFeatures(allFeaturs, returningColumns));
}
private Collection <Feature> FilterEarthquakePoints(Map Map1, Collection <EarthquakeQueryConfiguration> queryConfigurations)
{
IEnumerable <Feature> allFeatures = new Collection <Feature>();
if (Map1.EditOverlay.Features.Count > 0)
{
Feature queryFeature = Feature.Union(Map1.EditOverlay.Features);
BaseShape queryShape = queryFeature.GetShape();
FeatureLayer currentEarthquakeLayer = (Map1.CustomOverlays["EarthquakeOverlay"] as LayerOverlay).Layers[0] as FeatureLayer;
currentEarthquakeLayer.Open();
allFeatures = currentEarthquakeLayer.FeatureSource.GetFeaturesWithinDistanceOf(queryShape, Map1.MapUnit, DistanceUnit.Meter, 1, ReturningColumnsType.AllColumns);
currentEarthquakeLayer.Close();
}
// filter the feature based on the query configuration.
allFeatures = allFeatures.Where((f) =>
{
bool isIncluded = true;
foreach (EarthquakeQueryConfiguration item in queryConfigurations)
{
double columnValue = double.Parse(f.ColumnValues[item.Parameter]);
if ((columnValue > item.Maximum || columnValue < item.Minimum) && columnValue > 0) // nagetive means no record.
{
isIncluded = false;
break;
}
}
return(isIncluded);
}).ToList();
// clear the original markers and add new markers.
LayerOverlay queryResultMarkerOverlay = Map1.CustomOverlays["QueryResultMarkerOverlay"] as LayerOverlay;
InMemoryFeatureLayer markerMemoryLayer = queryResultMarkerOverlay.Layers["MarkerMemoryLayer"] as InMemoryFeatureLayer;
markerMemoryLayer.InternalFeatures.Clear();
foreach (Feature item in allFeatures)
{
markerMemoryLayer.InternalFeatures.Add(item);
}
queryResultMarkerOverlay.Redraw();
LayerOverlay trackShapeOverlay = Map1.CustomOverlays["TrackShapeOverlay"] as LayerOverlay;
// clear the original track shapes and add the new shapes.
InMemoryFeatureLayer trackShapeLayer = trackShapeOverlay.Layers["TrackShapeLayer"] as InMemoryFeatureLayer;
trackShapeLayer.InternalFeatures.Clear();
foreach (Feature item in Map1.EditOverlay.Features)
{
trackShapeLayer.InternalFeatures.Add(item);
}
trackShapeOverlay.Redraw();
return(new Collection <Feature>(allFeatures.ToList()));
}
private void PopulateTable()
{
FeatureLayer worldLayer = winformsMap1.FindFeatureLayer("WorldLayer");
worldLayer.Open();
Collection <FeatureSourceColumn> allColumns = worldLayer.QueryTools.GetColumns();
worldLayer.Close();
dgridFeatures.DataSource = GetDataTableFromFeatureSourceColumns(allColumns);
}
/// <summary>
/// Perform the 'Get Features Within Distance' spatial query using the layer's QueryTools
/// </summary>
private Collection <Feature> PerformSpatialQuery(BaseShape shape, FeatureLayer layer)
{
Collection <Feature> features = new Collection <Feature>();
// Perform the spatial query on features in the specified layer
layer.Open();
features = layer.QueryTools.GetFeaturesWithinDistanceOf(shape, GeographyUnit.Meter, DistanceUnit.Meter, (int)searchRadius.Value, ReturningColumnsType.NoColumns);
layer.Close();
return(features);
}
public string GetCount(Map map, GeoCollection <object> args)
{
LayerOverlay staticOverlay = (LayerOverlay)map.CustomOverlays["StaticOverlay"];
FeatureLayer worldLayer = (FeatureLayer)staticOverlay.Layers["WorldLayer"];
worldLayer.Open();
string result = string.Format("There are <span style='color:red;font-size:15;font-weight:bolder;'>{0}</span> records in this vector layer.", worldLayer.QueryTools.GetCount());
worldLayer.Close();
return(result);
}
private void btnColumns_Click(object sender, RoutedEventArgs e)
{
FeatureLayer worldLayer = mapView.FindFeatureLayer("WorldLayer");
worldLayer.Open();
Collection <FeatureSourceColumn> allColumns = worldLayer.QueryTools.GetColumns();
worldLayer.Close();
dgridFeatures.DataContext = GetDataTableFromFeatureSourceColumns(allColumns);
dgridFeatures.SetBinding(ListView.ItemsSourceProperty, new Binding());
}
/// <summary>
/// Get a feature based on a location
/// </summary>
private Feature GetFeatureFromLocation(PointShape location)
{
// Get the parks layer from the MapView
FeatureLayer parksLayer = mapView.FindFeatureLayer("Frisco Parks");
// Find the feature that was tapped on by querying the layer for features containing the tapped coordinates
parksLayer.Open();
Feature selectedFeature = parksLayer.QueryTools.GetFeaturesContaining(location, ReturningColumnsType.AllColumns).FirstOrDefault();
parksLayer.Close();
return(selectedFeature);
}