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();
}
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 cmxDistanceUnit_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
AreaUnit areaUnit = (AreaUnit)cmxDistanceUnit.SelectedItem;
defaultAreaUnit = areaUnit;
double acreage = areaShape.GetArea(GisEditor.ActiveMap.MapUnit, areaUnit);
origalAcreageTb.Text = acreage.ToString();
targetAcreageTb.Text = acreage.ToString();
}
private void MouseMoved(object sender, MouseMovedTrackInteractiveOverlayEventArgs e)
{
//Gets the shape as it is being tracked and gets its properties to be displayed in labels og groupbox
AreaBaseShape areaBaseShape = (AreaBaseShape)winformsMap1.TrackOverlay.TrackShapeLayer.InternalFeatures[0].GetShape();
double Perimeter = Math.Round(areaBaseShape.GetPerimeter(winformsMap1.MapUnit, DistanceUnit.Kilometer));
double Area = Math.Round(areaBaseShape.GetArea(winformsMap1.MapUnit, AreaUnit.SquareKilometers));
lblPerimeter.Text = String.Format("{0:0,0}", Perimeter) + " km";
lblArea.Text = String.Format("{0:0,0}", Area) + " km2";
//Sets the location (in screen coordinates) of the groupbox according to last moved vertex of the tracked shape (in world coordinates).
ScreenPointF screenPointF = ThinkGeo.MapSuite.Core.ExtentHelper.ToScreenCoordinate(winformsMap1.CurrentExtent, e.MovedVertex.X, e.MovedVertex.Y, winformsMap1.Width, winformsMap1.Height);
groupBoxInfo.Location = new Point((int)screenPointF.X + 30, (int)screenPointF.Y + 10);
}
private void AreaResizeMenuItem_Click(object sender, RoutedEventArgs e)
{
MenuItem item = (MenuItem)sender;
Feature feature = (Feature)item.Tag;
AreaBaseShape areaShape = (AreaBaseShape)feature.GetShape();
AreaResizeWindow window = new AreaResizeWindow(areaShape);
window.Owner = Application.Current.MainWindow;
window.WindowStartupLocation = WindowStartupLocation.CenterOwner;
if (window.ShowDialog().GetValueOrDefault())
{
double orignalAcreage = window.OriginalAcreage;
double acreage = window.ResultAcreage;
double difference = 1;
while (difference > 0.05)
{
if (acreage > orignalAcreage)
{
double percentage = (Math.Sqrt(acreage) / Math.Sqrt(orignalAcreage) * 100) % 100;
areaShape.ScaleUp(percentage);
}
else if (acreage == orignalAcreage)
{
}
else
{
double percentage = (Math.Sqrt(orignalAcreage) / Math.Sqrt(acreage) * 100) % 100;
areaShape.ScaleDown(percentage);
}
orignalAcreage = areaShape.GetArea(GisEditor.ActiveMap.MapUnit, AreaResizeWindow.DefaultAreaUnit);
difference = Math.Abs(orignalAcreage - acreage) / acreage;
}
Feature tempfeature = GisEditor.ActiveMap.FeatureLayerEditOverlay.EditShapesLayer.InternalFeatures.FirstOrDefault(f => f.Id.Equals(feature.Id));
if (tempfeature != null)
{
GisEditor.ActiveMap.FeatureLayerEditOverlay.EditShapesLayer.InternalFeatures.Remove(tempfeature);
GisEditor.ActiveMap.FeatureLayerEditOverlay.EditShapesLayer.InternalFeatures.Add(tempfeature.Id, new Feature(areaShape, tempfeature.ColumnValues));
GisEditor.ActiveMap.FeatureLayerEditOverlay.TakeSnapshot();
GisEditor.ActiveMap.FeatureLayerEditOverlay.Refresh();
}
}
}
private void winformsMap1_MapClick(object sender, MapClickWinformsMapEventArgs e)
{
FeatureLayer worldLayer = winformsMap1.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)
{
AreaBaseShape areaShape = (AreaBaseShape)selectedFeatures[0].GetShape();
double area = areaShape.GetArea(GeographyUnit.DecimalDegree, AreaUnit.SquareKilometers);
MessageBox.Show(string.Format(CultureInfo.InvariantCulture, "{0} has an area of {1:N0} square kilometers.", selectedFeatures[0].ColumnValues["CNTRY_NAME"].Trim(), area), "Area", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1, (MessageBoxOptions)0);
}
}
public AreaResizeWindow(AreaBaseShape areaShape)
{
InitializeComponent();
this.areaShape = areaShape;
distanceUnits = new Collection <AreaUnit>();
double acreage = areaShape.GetArea(GisEditor.ActiveMap.MapUnit, defaultAreaUnit);
origalAcreageTb.Text = acreage.ToString();
targetAcreageTb.Text = acreage.ToString();
tempAcreage = targetAcreageTb.Text;
foreach (AreaUnit item in Enum.GetValues(typeof(AreaUnit)))
{
distanceUnits.Add(item);
}
cmxDistanceUnit.ItemsSource = distanceUnits;
cmxDistanceUnit.SelectedItem = defaultAreaUnit;
}
public string GetArea(Map map, Collection<object> args)
{
double clickedX = double.Parse(args[0].ToString(), CultureInfo.InvariantCulture);
double clickedY = double.Parse(args[1].ToString(), CultureInfo.InvariantCulture);
PointShape point = new PointShape(clickedX, clickedY);
FeatureLayer worldLayer = (ShapeFileFeatureLayer)((LayerOverlay)map.CustomOverlays["OverLayer"]).Layers["worldLayer"];
// Find the country the user clicked on.
worldLayer.Open();
Collection<Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesContaining(point, new string[1] { "CNTRY_NAME" });
worldLayer.Close();
// Determine the area of the country.
string contentHtml = @"<div style='color:#0065ce;font-size:10px; font-family:verdana; padding:4px;'>Please click on a country to see how large it is.</div>";
if (selectedFeatures.Count > 0)
{
AreaBaseShape areaShape = (AreaBaseShape)selectedFeatures[0].GetShape();
double area = areaShape.GetArea(GeographyUnit.DecimalDegree, AreaUnit.SquareKilometers);
contentHtml = string.Format(@"<div style='color:#0065ce;font-size:10px; font-family:verdana; padding:4px;'><span style='color:red'>{0}</span> has an area of <span style='color:red'>{1:N0}</span> square kilometers.</div>", selectedFeatures[0].ColumnValues["CNTRY_NAME"], area);
}
return contentHtml;
}
